US20170129603A1 - Methods and systems for transportation using unmanned aerial vehicles - Google Patents

Methods and systems for transportation using unmanned aerial vehicles Download PDF

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Publication number
US20170129603A1
US20170129603A1 US15/347,442 US201615347442A US2017129603A1 US 20170129603 A1 US20170129603 A1 US 20170129603A1 US 201615347442 A US201615347442 A US 201615347442A US 2017129603 A1 US2017129603 A1 US 2017129603A1
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United States
Prior art keywords
uav
landing
payload
battery
landing platform
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Abandoned
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US15/347,442
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English (en)
Inventor
Andreas Raptopoulos
Ido Baruchin
Christopher Winson HINKLE
Derek X. MA
James Standish O'SULLIVAN
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MATTERNET Inc
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MATTERNET Inc
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Priority to US15/347,442 priority Critical patent/US20170129603A1/en
Publication of US20170129603A1 publication Critical patent/US20170129603A1/en
Priority to US16/843,602 priority patent/US20200239138A1/en
Priority to US17/526,922 priority patent/US11820507B2/en
Abandoned legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C39/00—Aircraft not otherwise provided for
    • B64C39/02—Aircraft not otherwise provided for characterised by special use
    • B64C39/024—Aircraft not otherwise provided for characterised by special use of the remote controlled vehicle type, i.e. RPV
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/22—Ground or aircraft-carrier-deck installations installed for handling aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F1/00—Ground or aircraft-carrier-deck installations
    • B64F1/32—Ground or aircraft-carrier-deck installations for handling freight
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U70/00—Launching, take-off or landing arrangements
    • B64U70/90—Launching from or landing on platforms
    • B64U70/92—Portable platforms
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D1/00—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot
    • G05D1/04—Control of altitude or depth
    • G05D1/06—Rate of change of altitude or depth
    • G05D1/0607—Rate of change of altitude or depth specially adapted for aircraft
    • G05D1/0653—Rate of change of altitude or depth specially adapted for aircraft during a phase of take-off or landing
    • G05D1/0676—Rate of change of altitude or depth specially adapted for aircraft during a phase of take-off or landing specially adapted for landing
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/0047—Navigation or guidance aids for a single aircraft
    • G08G5/0069—Navigation or guidance aids for a single aircraft specially adapted for an unmanned aircraft
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/02—Automatic approach or landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G5/00—Traffic control systems for aircraft, e.g. air-traffic control [ATC]
    • G08G5/02—Automatic approach or landing aids, i.e. systems in which flight data of incoming planes are processed to provide landing data
    • G08G5/025—Navigation or guidance aids
    • B64C2201/024—
    • B64C2201/042—
    • B64C2201/108—
    • B64C2201/128—
    • B64C2201/185—
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00—UAVs specially adapted for particular uses or applications
    • B64U2101/60—UAVs specially adapted for particular uses or applications for transporting passengers; for transporting goods other than weapons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00—UAVs specially adapted for particular uses or applications
    • B64U2101/60—UAVs specially adapted for particular uses or applications for transporting passengers; for transporting goods other than weapons
    • B64U2101/64—UAVs specially adapted for particular uses or applications for transporting passengers; for transporting goods other than weapons for parcel delivery or retrieval
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U50/00—Propulsion; Power supply
    • B64U50/10—Propulsion
    • B64U50/19—Propulsion using electrically powered motors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U80/00—Transport or storage specially adapted for UAVs
    • B64U80/80—Transport or storage specially adapted for UAVs by vehicles
    • B64U80/86—Land vehicles

Definitions

  • the present disclosure relates generally to unmanned aerial vehicles (UAVs). More particularly, the present disclosure relates to payload transportation using UAVs and mobile UAV stations.
  • UAVs unmanned aerial vehicles
  • UAVs Unmanned aerial vehicles
  • UAVs may be used for transportation packages in local neighborhoods.
  • transportation of packages in local neighborhoods heavily relies on ground infrastructures using transporting vehicles such as delivery trucks.
  • transporting vehicles such as delivery trucks.
  • a delivery truck driver typically needs to make 20 stops at the packages' destination addresses to physically deliver the packages.
  • UAVs are being used to deliver packages in the recent years, they are limited by the range of flight because they are usually launched from a fix distribution facility.
  • the current UAV transportation systems may not be flexible to deliver packages to a widespread area such as a city or multiple neighborhoods. Therefore, there is a need to integrate the UAVs with mobile exchange stations, such as package transporting vehicles, to provide flexibility and mobility for transporting packages to multiple neighborhoods.
  • a method for facilitating payload transportation using an unmanned aerial vehicle is provided.
  • the method is performed at a portable electronic device including one or more processors and memory and comprises receiving a first input indicating a takeoff location of the UAV and a second input indicating a landing location of the UAV.
  • the portable electronic device obtains a determined UAV flight route from the takeoff location to the landing location. Based on the obtained UAV flight route, the portable electronic device provides flight route information indicating a viable flight route; and a takeoff command to the UAV according to the viable flight route.
  • the apparatus comprises a container having dimensions that correspond to a carrying space of a UAV.
  • the apparatus further comprises a first identification accessible on an external surface of the container. The first identification is scannable for identifying the container.
  • the apparatus further comprises a second identification readable by the UAV. The second identification is associated with the first identification for identifying the container.
  • a method for facilitating payload transportation using an unmanned aerial vehicle is provided.
  • the method is performed at a computer system including one or more processors and memory.
  • the computer system receives an identification of a payload to be transported.
  • the identification information of the payload is associated with a destination location of the payload.
  • the computer system further receives a first identification of a container for housing the payload.
  • the first identification is accessible on an external surface of the container and is scannable.
  • the computer system further receives a second identification from the UAV.
  • the second identification comprises a near-field identification tag associated with the first identification for identifying the container.
  • the computer system determines a UAV flight route based on the identification of the payload; and provides the UAV flight route to the UAV based on the first and second identifications.
  • a method for facilitating a payload transportation using an unmanned aerial vehicle is provided.
  • the method is performed at a portable electronic device including one or more processors and memory.
  • the portable electronic device obtains an identification of the payload to be transported.
  • the identification of the payload is associated with a destination location of the payload.
  • the portable electronic device provides the identification of the payload to a UAV service; and obtains a first identification of a container for housing the payload.
  • the first identification is accessible on an external surface of the container and is scannable.
  • the portable electronic device further provides the first identification to the UAV service; and provides one or more instructions to a selected UAV for transporting the payload based on a UAV flight route.
  • the UAV flight route is generated based on the identification of the payload; and the UAV is selected based on the first identification and a second identification.
  • the second identification corresponds to the first identification for identifying the container.
  • the UAV for transporting a payload.
  • the UAV comprises a body; one or more propellers rotatably connected with the body; and a battery mounted to the body.
  • the battery is releasable from, for example, the bottom of the UAV.
  • the UAV further comprises a payload container mounted to the body.
  • the payload container is releasable from the bottom of the UAV to a landing platform associated with a UAV station.
  • a method for transporting a payload is provided.
  • the method is performed at a UAV comprising a body and one or more propellers rotatably connected to the body.
  • the UAV receives a battery from an exchange station.
  • the battery is received through a landing platform associated with the exchange station.
  • the UAV mounts the battery to the body of the UAV.
  • the UAV receives a payload container from the exchange station.
  • the payload container is received through the landing platform associated with the exchange station.
  • the UAV mounts the payload container to the body of the UAV.
  • the UAV receives instructions for transporting the payload container to a destination; and transports the payload container to the destination according to the instructions.
  • a landing platform for receiving a payload container from an unmanned aerial vehicle comprises one or more landing subsystems configured to coordinate with the UAV for landing; one or more sensors for detecting the landing of the UAV on the landing platform; one or more actuators configured to align the UAV for receiving the payload container; and a payload receiving structure of the landing platform configured to receive the payload container.
  • UAV unmanned aerial vehicle
  • a method for precision landing of an unmanned aerial vehicle (UAV) on a landing platform is provided.
  • the UAV includes one or more processors and a communication interface.
  • the method comprises determining, at the UAV, whether the UAV is in a landing phase based on the location of the UAV. After determining that the UAV is in the landing phase, the method further comprises receiving landing alignment information from the landing platform.
  • the landing alignment information is generated based on at least one of a magnetic heading of the landing platform, a GPS position of the landing platform, or an infrared beacon of the landing platform.
  • the method further comprises adjusting a landing path of the UAV based on the received landing alignment information.
  • a system for emergency landing of an unmanned aerial vehicle comprising a battery manager configured to provide power to a control circuitry for emergency landing.
  • the system further comprises a controller configured to determine whether an emergency landing signal is generated.
  • the controller is further configured to determine whether one or more conditions for emergency landing are satisfied based on the determination that the emergency landing signal is generated.
  • the controller is further configured to deploy an emergency landing mechanism based on the determination that the one or more conditions are satisfied.
  • FIG. 1 illustrates an exemplary system for payload transportation using UAVs, consistent with some embodiments of the present disclosure.
  • FIG. 2A illustrates an exemplary UAV station and an exemplary UAV, consistent with some embodiments of the present disclosure.
  • FIG. 2B is a simplified block diagram illustrating an exemplary portable electronic device, consistent with some embodiments of the present disclosure.
  • FIG. 2C illustrates an exemplary computer system for facilitating the payload transportation using UAVs, consistent with some embodiments of the present disclosure.
  • FIGS. 3A-3X illustrate exemplary user interfaces of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 3Y illustrates a flow chart of an exemplary process for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 4A is a block diagram illustrating exemplary UAV service for enabling payload transportation using UAVs, consistent with some embodiments of the present disclosure.
  • FIG. 4B illustrates a flow chart of an exemplary process for transporting a payload using a UAV, consistent with some embodiments of the present disclosure.
  • FIGS. 5A-5U illustrate exemplary user interfaces for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 5V illustrates a flow chart of an exemplary process for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 6A illustrates an exemplary UAV and an exemplary UAV station, consistent with some embodiments of the present disclosure.
  • FIG. 6B illustrates an exploded view of a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 6C illustrates a flow chart of an exemplary process for transporting a payload using a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 7A illustrates a perspective view of an exemplary landing platform, consistent with some embodiments of the present disclosure.
  • FIG. 7B illustrates a perspective view of an exemplary landing platform and a landing UAV, consistent with some embodiments of the present disclosure.
  • FIG. 7C illustrates a perspective view of an exemplary landing platform and a landed UAV, consistent with some embodiments of the present disclosure.
  • FIG. 7D illustrates a perspective view of an exemplary landing platform and a landed UAV that is aligned for transporting the payload, consistent with some embodiments of the present disclosure.
  • FIGS. 7E-7K illustrates perspective views of an exemplary landing platform fence, consistent with some embodiments of the present disclosure.
  • FIG. 7L illustrates a perspective view of an exemplary landing platform, consistent with some embodiments of the present disclosure.
  • FIG. 7M illustrates a flow chart of an exemplary process for receiving a payload container from a UAV, consistent with some embodiments of the present disclosure.
  • FIG. 8A is a block diagram illustrating an exemplary UAV landing system and an exemplary LP landing system, consistent with some embodiments of the present disclosure.
  • FIG. 8B illustrates a flow chart of an exemplary process for landing a UAV on a landing platform, consistent with some embodiments of the present disclosure.
  • FIG. 8C illustrates a flow chart of an exemplary process for landing a UAV on a landing platform based on magnetic heading, consistent with some embodiments of the present disclosure.
  • FIG. 8D illustrates a flow chart of an exemplary process for landing a UAV on a landing platform based on differential GPS, consistent with some embodiments of the present disclosure.
  • FIG. 9A illustrates a block diagram of an exemplary UAV flight termination system (FTS) of a UAV, consistent with some embodiments of the present disclosure.
  • FTS flight termination system
  • FIG. 9B illustrates a block diagram of an exemplary battery manager of a UAV flight termination system, consistent with some embodiments of the present disclosure.
  • FIG. 9C illustrates a block diagram of an exemplary FTS controller of a UAV flight termination system, consistent with some embodiments of the present disclosure.
  • FIG. 9D illustrates a flow chart of an exemplary process for controlling termination of a UAV flight, consistent with some embodiments of the present disclosure.
  • FIG. 1 illustrates an exemplary payload transportation system 100 using UAVs, consistent with some embodiments of the present disclosure.
  • payload transportation system 100 can include one or more portable electronic devices 102 A-B (collectively referred as portable electronic devices 102 ), a network 110 , a UAV service 120 , one or more UAVs 130 A-C (collectively referred as UAVs 130 ), and one or more UAV stations 140 A-C (collectively referred as UAV stations 140 ).
  • Payload transportation system 100 can enable or facilitate requesting, scheduling, controlling, and/or navigating of UAVs for transporting payloads to locations.
  • Portable electronic devices 102 A-B include devices that can request, schedule, or facilitate payload transportation through various means.
  • Portable electronic devices 102 A-B can communicate with UAV service 120 , UAV 130 , and/or UAV station 140 either directly or indirectly through a network 110 .
  • portable electronic device 102 A can communicate directly with or identify the payload carried by UAV 130 A.
  • portable electronic device 102 A can communicate indirectly with UAV service 120 through network 110 to request payload transportation or to provide payload identifications.
  • portable electronic devices 102 A-B are portrayed as a computer or a laptop (e.g., portable electronic device 102 A), a tablet, and a mobile smart phone (e.g., portable electronic device 102 B), it is appreciated that portable electronic device 102 could be any type of device that communicates data.
  • Network 110 can be any type of network that facilitates wired and/or wireless communications.
  • network 110 can be a cellular network (e.g., GSM, GPRS, CDMA, LTE), a wide-area network (WAN), a local area network (LAN), a radio network, a satellite network, a Wi-Fi network, a near-filed communication network, Zigbee, Xbee, XRF, Xtend, Bluetooth, WPAN, line of sight, satellite relay, or any other wired or wireless network, or a combination thereof.
  • UAV service 120 can communicate with one or more components of payload transportation system 100 , such as portable electronic devices 102 , UAVs 130 , and UAV stations 140 , to facilitate payload transportation using UAVs. For example, based on communication with portable electronic devices 102 , UAV service 120 can receive requests for transporting a payload, an identification of the payload to be transported, and an identifications of a payload container. Based on the request or information received, UAV service 120 can determine a UAV flight route for transporting the payload to its destination location. UAV service 120 can communicate the flight route information to the UAV that carries the payload. In some embodiments, UAV service 120 may continue to communicate with the UAV during the flight.
  • UAV service 120 can communicate with one or more components of payload transportation system 100 , such as portable electronic devices 102 , UAVs 130 , and UAV stations 140 , to facilitate payload transportation using UAVs. For example, based on communication with portable electronic devices 102 , UAV service 120 can receive requests for transporting
  • UAV service 120 may receive a confirmation or notification of completion.
  • UAV service 120 may include, for example, one or more geospatial data stores, geospatial caches, one or more application servers, one or more application data stores, one or more messaging queues, and tracking data.
  • UAV service 120 may be provided on a desktop computer, a laptop computer, a server (physical or virtual), or a server farm. Exemplary UAV services (e.g., UAV service 120 ) are described in detail in U.S. patent application Ser. No. 13/890,165 filed on May 8, 2013, entitled “Transportation Using Network of Unmanned Aerial Vehicles” (now U.S. Pat. No. 9,384,668); in U.S. Provisional Patent Application No.
  • UAV service 120 can include one or more datastores 150 .
  • Datastores 150 may include, for example, a time series datastore and a geospatial datastore.
  • a time series datastore may be a software system for handling time series data and arrays of numbers indexed by time (e.g., a datetime or a datetime range).
  • UAVs 130 can transmit telemetry and sensor data to a system for storage within a time series datastore or a tracking datastore. These time series may also be called as profiles, curves, or traces.
  • An application server of UAV service 120 may further monitor the time series datastore and/or the tracking datastore to determine trends such as UAV components that require maintenance based on the stored time series data or tracking data.
  • a geospatial data store can be an object-relational spatial database that includes latitude and longitude data.
  • Example data and data sources for a geospatial data store include, but are not limited to, terrain data from the National Aeronautics and Space Administration (“NASA”), airspace data from the Federal Aviation Administration (“FAA”), geospatial data from the National Park Service, Department of Defense, and/or other federal agencies, geospatial and/or building data from local agencies such as school districts, and/or some combination thereof.
  • a geospatial data store may include large amounts of data such as hundreds of gigabytes of data or terabytes of data.
  • UAV service 120 can include one or more application servers and message brokers.
  • Application servers can perform various tasks such as processing authentication and authorization, maintaining general purpose data (e.g., UAV names, configurations, flight routes, UAV stations).
  • Message brokers can enable data movement between software components or systems in substantially real time for providing authentication and authorization.
  • Exemplary implementations of various components of UAV service 120 e.g., the application services, the message brokers, the time series datastores, the geospatial datastores
  • Exemplary implementations of various components of UAV service 120 e.g., the application services, the message brokers, the time series datastores, the geospatial datastores
  • UAV service 120 e.g., the application services, the message brokers, the time series datastores, the geospatial datastores
  • their interactions are describe in more detail in the U.S. Provisional Patent Application No. 62/138,910 filed on Mar. 26, 2015, entitled “System and Methods for Unmanned Aerial Vehicle Route Planning;” in the U
  • UAV 130 can communicate with one or more components of payload transportation system 100 , such as UAV service 120 and UAV stations 140 , and one or more satellites (not shown) to transport a payload.
  • UAV 130 A communicates with UAV service 120 to obtain a flight route for transporting the payload, picks up a payload container with the payload to be transported, autonomously navigates using the flight route and satellites signals, and transports the payload to its destination location such as a UAV station 140 .
  • UAV 130 can include, for example, a body with an optional payload carrying space, one or more propellers or fixed wings, a releasable and/or exchangeable battery, and a releasable and/or exchangeable payload container.
  • UAV 130 is described in more detail with FIGS. 6A-6B .
  • UAV station 140 can communicate with one or more components, devices, or systems of payload transportation system 100 , such as UAV service 120 and UAV 130 to facilitate payload transportation.
  • UAV station 140 can include a landing platform 144 and an exchange station 146 .
  • a landing platform facilitates landing and launching of a UAV 130 .
  • An exchange station 146 can receive a payload, a payload container, or a battery from a UAV 130 ; load a payload, a payload container, or a battery to a UAV 130 , or exchange a payload, a payload container, or a battery with a UAV 130 .
  • UAV station 140 may be a mobile or fixed station dedicated for transporting multiple payloads.
  • UAV station 140 may include a delivery truck carrying multiple payloads to be delivered and carrying one or more UAVs 130 for transporting the payloads.
  • UAV service 120 e.g., flight route, payload information, etc.
  • one or more UAVs 130 may be launched from a UAV station 140 to transport payloads to their destination locations (e.g., another UAV station 140 , a residential address, or a business address).
  • a UAV station 140 can also receive one or more UAVs 130 .
  • a UAV station 140 can include a landing platform 144 and an exchange station 146 .
  • landing platform 144 communicates with UAV 130 to assist landing of a UAV 130 on landing platform 144 .
  • landing platform 144 can align or adjust the position of the landed UAV 130 such that the payload container can be released from UAV 130 to a payload receiving structure of landing platform 144 .
  • landing platform 144 can include a center opening for receiving or exchanging payload containers.
  • UAV 130 releases its payload container to exchange station 140 , it can receive another payload container from exchange station 140 for transporting it to the next destination location.
  • landing platform 144 can be mounted, attached, or integrated to an exchange station 146 , such as a transporting vehicle (e.g., delivery truck, a van) or a fixed facility (e.g., a distribution warehouse).
  • Exchange station 146 can include a payload processing mechanism (e.g., a robot) to enable the receiving and exchanging of payload containers or payloads.
  • exchange station 146 can also include a battery exchanging mechanism for exchanging battery of a landed UAV 130 .
  • the battery exchanging mechanism and the payload processing mechanism may be separate mechanisms or may be integrated to form a single mechanism.
  • UAV station 140 is described in more detail below with FIG. 2A .
  • UAV station 140 may not be a dedicated transportation station.
  • An exchange station 146 of such a UAV station 140 may include a user's vehicle (e.g., a consumer's truck, a van, or a passenger car).
  • the user may order a merchandise online and requests it to be transported to the user's location.
  • UAV service 120 schedules the transportation of the merchandise payload to the user's location.
  • UAV service 120 communicates the information for transporting the user's ordered merchandise to a UAV 130 , which subsequently transports the payload to a UAV station 140 , which may include the user's vehicle (e.g., a van or a car).
  • UAV station 140 can include a landing platform 144 to facilitate the landing of UAV 130 .
  • landing platform 144 can be part of an exchange station 146 (e.g., the user's truck/van/car, the user's back yard, a roof of a building. etc.).
  • the landing platform 144 may include a landing sub-system (e.g., an infrared beacon).
  • An exchange station 146 that includes a user's vehicle (e.g., truck/van/car), rather than a dedicated transportation station (e.g., a delivery truck), may typically be capable of receiving the payload container using the landing platform 144 , but may not have the capability of exchanging payload containers and batteries with the UAV 130 .
  • the UAV 130 may relaunch from UAV station 140 at the user's location for the next destination (e.g., returning to a distribution facility or another UAV station) according to the information provided by UAV service 120 .
  • the landing sub-system of a UAV station 140 is described in more detail with FIGS. 8A-8D .
  • FIG. 2A illustrates an exemplary UAV station 140 and an exemplary UAV 130 , consistent with some embodiments of the present disclosure.
  • UAV station 140 includes, for example, a landing platform 144 and an exchange station 146 .
  • landing platform 144 can be a disc-shaped platform that can facilitate landing of one or more UAVs 130 .
  • landing platform 144 can be a disc-shaped platform having a diameter of about 120 centimeters (cm) and can accommodate two or more UAVs 130 . It is appreciated that landing platform 144 can also have any other shapes, such as square shape, rectangular shape, circular shape, elliptical shape, etc. Further, landing platform 144 can also have any dimension to accommodate one or more UAVs 130 .
  • landing platform 144 can be a separate apparatus from exchange station 146 .
  • landing platform 144 can be disposed on, mounted to, or attached to the top surface of exchange station 146 .
  • UAV 130 can thus land on landing platform 144 from above exchange station 146 , as illustrated in FIG. 2A .
  • landing platform 144 can be integrated with exchange station 146 such that it is an integral portion of exchange station 146 .
  • landing platform 144 can be integrated with the roof of exchange station 146 , which can have a cover (e.g., a sliding door or sliding window) on top of landing platform 144 .
  • the cover can protect landing platform 144 from dirt, dust, rain, or any external objects (e.g., birds, leaves, etc.).
  • exchange station 146 can open the cover to expose landing platform 144 for landing of UAV 130 .
  • two or more landing platforms 144 can be disposed on or integrated with exchange station 146 .
  • landing platform 144 can be part of (e.g., the roof) exchange station 146 (e.g., a user's truck/van/car) and can include a landing sub-system (e.g., an infrared beacon).
  • an exchange station 146 that includes a user's vehicle (e.g., truck/van/car), rather than a dedicated transportation station (e.g., a delivery truck), may typically be capable of receiving the payload container using the landing platform 144 , but may not have the capability of exchanging payload containers and batteries with the UAV 130 .
  • the landing sub-system is described in more detail with FIGS. 8A-8D .
  • landing platform 144 can have a payload receiving structure for receiving a payload or payload container carried by UAV 130 .
  • landing platform 144 can have a center opening that has dimensions corresponding to the dimensions of a payload container that UAV 130 carries.
  • the payload receiving structure of landing platform 144 can be a dedicated area of the top surface of exchange station 146 , and may not include a center opening.
  • the payload container may be released to the exterior (e.g., top surface of exchange station 146 ). The released payload container can thus be transferred to exchange station 146 .
  • Landing platform 144 is described in more detail with FIGS. 7A-7E .
  • exchange station 146 can be a mobile station or a fixed station.
  • exchange station 146 can be a delivery truck, a van, a train, a cargo airplane, or a carrier UAV (e.g., a UAV that carries multiple payloads), a distribution facility, a warehouse, a ground station, etc.
  • exchange station 146 may include a payload-processing mechanism (e.g., a robot) that handles the transfer of payloads.
  • exchange station 146 can receive a payload from the landed UAV 130 and/or transfer another payload to UAV 130 for transportation.
  • exchange station 146 can include a battery exchange mechanism for exchanging a battery of the UAV 130 .
  • UAV 130 may include a sensor to detect the battery level of the battery, and determine that its battery is depleted or insufficient for completing the next flight. Based on the determination, a landed UAV 130 releases the battery to exchange station 146 through the center opening of landing platform 144 .
  • Exchange station 146 receives the released battery from the landed UAV 130 and can transfer a replacement battery to the landed UAV 130 . Exchanging of a battery between an exchange station 146 and a UAV 130 enables the UAV 130 to continue transporting payloads without having to sit idle while re-charge the battery.
  • the exchange station 146 can be a mobile station that are capable of travelling to any location, thereby significantly increases the range of payload transportation of the UAV.
  • FIG. 2B is a simplified block diagram illustrating an exemplary portable electronic device 102 , consistent with some embodiments of the present disclosure.
  • Portable electronic device 102 can include a communication device having two-way or one-to-many data communication capabilities, voice communication capabilities, and video communication capabilities, and the capability to communicate with other computer systems, for example, via the Internet.
  • portable electronic device 102 can be a handheld device, a multiple-mode communication device configured for both data and voice communication, a smartphone, a mobile telephone, a netbook, a gaming console, a tablet, or a PDA enabled for wireless communication.
  • Portable electronic device 102 can include a controller comprising at least one processor 202 (such as a microprocessor), which controls the overall operation of portable electronic device 102 .
  • Processor 202 can be one or more microprocessors, field programmable gate arrays (FPGAs), digital signal processors (DSPs), or any combination thereof capable of executing particular sets of instructions.
  • Processor 202 can interact with device subsystems such as a communication subsystem 204 for exchanging radio frequency signals with a wireless network (e.g., network 110 ) to perform communication functions.
  • a wireless network e.g., network 110
  • Processor 202 can also interact with additional device subsystems including a communication subsystem 204 , a display 206 such as a liquid crystal display (LCD) screen, an light emitting diode (LED) screen, or any other appropriate display, input devices 208 such as a keyboard and control buttons, a persistent memory 210 , a random access memory (RAM) 212 , a read only memory (ROM) 214 , auxiliary input/output (I/O) subsystems 216 , a data port 218 such as a conventional serial data port, a Universal Serial Bus (USB) data port, or a High-Definition Multimedia Interface (HDMI) data port, a speaker 220 , a microphone 222 , one or more cameras (such as camera 224 ), a short-range wireless communications subsystem 226 (which can employ any appropriate wireless (e.g., RF), optical, or other short range communications technology (for example, Bluetooth or NFC)), and other device subsystems generally designated as 228 .
  • Communication subsystem 204 includes one or more communication systems for communicating with network 110 to enable communication with external device, such as UAVs 130 and UAV stations 140 .
  • the particular design of communication subsystem 204 depends on the wireless network in which portable electronic device 102 is intended to operate.
  • Portable electronic device 102 can send and receive communication signals over the wireless network after the required network registration or activation procedures have been completed.
  • Camera 224 can be a CMOS camera, a CCD camera, or any other type of camera capable of capturing and outputting compressed or uncompressed image data such as still images or video image data.
  • portable electronic device 102 can include more than one camera, allowing the user to switch, during a video conference call, from one camera to another, or to overlay image data captured by one camera on top of image data captured by another camera.
  • Image data output from camera 224 can be stored in, for example, an image buffer, which can be a temporary buffer residing in RAM 212 , or a permanent buffer residing in ROM 214 or persistent memory 210 .
  • the image buffer can be, for example, a first-in first-out (FIFO) buffer.
  • Short-range wireless communications subsystem 226 is an additional optional component that provides for communication between portable electronic device 102 and different systems or devices, which need not necessarily be similar devices.
  • short-range wireless communications subsystem 226 can include an infrared device and associated circuits and components, or a wireless bus protocol compliant communication device such as a Bluetooth® communication module to provide for communication with similarly-enabled systems and devices.
  • Processor 202 can be one or more processors that operate under stored program control and executes software modules 230 stored in a tangibly-embodied non-transitory computer-readable storage medium such as persistent memory 210 , which can be a flexible disk, a hard disk, a CD-ROM (compact disk-read only memory), and MO (magneto-optical); a DVD-ROM (digital versatile disk-read only memory); a DVD RAM (digital versatile disk-random access memory); or a semiconductor memory.
  • Software modules 230 can also be stored in a computer-readable storage medium such as ROM 214 , or any appropriate persistent memory technology, including EEPROM, EAROM, FLASH. These computer-readable storage mediums store computer-readable instructions for execution by processor 202 to perform a variety of functions on portable electronic device 102 .
  • Software modules 230 can include operating system software 232 , used to control operation of portable electronic device 102 . Additionally, software modules 230 can include software applications 234 for providing additional functionality to portable electronic device 102 .
  • portable electronic device 102 can include an application for an operator or administrator to manage the transportation of payloads using UAVs 130 , and an application for a user (e.g., a transporting vehicle driver) to request or schedule a payload transportation using a UAV 130 .
  • Software applications 234 can include a range of applications, including, for example, a messaging application, a scanner application, a near-filed tag reader, an Internet browser application, a voice communication (i.e., telephony or Voice over Internet Protocol (VoIP)) application, a mapping application, a media player application, a UAV scheduling application, a payload transportation monitoring application, a payload transportation managing application, or any combination thereof.
  • Each of software applications 234 can include layout information defining the placement of particular fields and graphic elements (for example, text fields, input fields, icons, etc.) in the user interface (e.g., display 206 ) according to that corresponding application.
  • a camera service API can allow a video conference application to access camera 224 for purposes of capturing image data (such as a photo or video data that can be shared with a receiving mobile communication device (e.g., mobile communication device 106 )).
  • a scanner service API can allow a scanning application to access a scanner 246 for purpose of barcode scanning, QR code scanning, image scanning, etc.
  • persistent memory 210 stores data 236 , including data specific to a user of portable electronic device 102 , such as map data, UAV station data, flight route data, etc.
  • Persistent memory 210 can additionally store identification data, such as identifiers related to particular conferences, or an identifier corresponding to portable electronic device 102 to be used in identifying portable electronic device 102 during conferences.
  • Persistent memory 210 can also store data relating to various payloads, for example, identifications of payloads (e.g., barcodes), the details of the payloads such as the content of the payload, the originating location of the payload, the destination location of the payload, etc.
  • Persistent memory 210 can further store data relating various applications with preferences of the particular user of, for example, portable electronic device 102 .
  • persistent memory 210 can store data 236 linking a user's data with a particular field of data in an application, such as for automatically entering a user's name into a username textbox on an application executing on portable electronic device 102 .
  • data 236 can also include service data comprising information required by portable electronic device 102 to establish and maintain communication with network 110 .
  • auxiliary input/output (I/O) subsystems 216 comprise an external communication link or interface, for example, an Ethernet connection.
  • auxiliary I/O subsystems 216 can further comprise one or more input devices, including a pointing or navigational tool such as a clickable trackball or scroll wheel or thumbwheel; or one or more output devices, including a mechanical transducer such as a vibrator for providing vibratory notifications in response to various events on portable electronic device 102 (for example, receipt of an electronic message or incoming phone call), or for other purposes such as haptic feedback (touch feedback); or any combination thereof.
  • portable electronic device 102 also includes one or more removable memory modules 238 (typically comprising FLASH memory) and a memory module interface 240 .
  • removable memory module 238 is to store information used to identify or authenticate a user or the user's account to a wireless network (for example, network 110 ).
  • a wireless network for example, network 110
  • SIM Subscriber Identity Module
  • Memory module 238 is inserted in or coupled to memory module interface 240 of portable electronic device 102 in order to operate in conjunction with the wireless network.
  • Portable electronic device 102 also includes a battery 242 , which furnishes energy for operating portable electronic device 102 .
  • Battery 242 can be coupled to the electrical circuitry of portable electronic device 102 through a battery interface 244 , which can manage such functions as charging battery 242 from an external power source (not shown) and the distribution of energy to various loads within or coupled to portable electronic device 102 .
  • a set of applications that control basic device operations, including data and possibly voice communication applications, can be installed on portable electronic device 102 during or after manufacture. Additional applications or upgrades to operating system software 232 or software applications 234 can also be loaded onto portable electronic device 102 through the wireless network (for example network 110 ), auxiliary I/O subsystem 216 , data port 218 , short-range wireless communications subsystem 226 , or other suitable subsystem such as 228 .
  • the downloaded programs or code modules can be permanently installed, for example, written into the persistent memory 210 , or written into and executed from RAM 212 for execution by processor 202 at runtime.
  • Portable electronic device 102 can provide three principal modes of communication: a data communication mode, a voice communication mode, and a video communication mode.
  • a received data signal such as a text message, an e-mail message, Web page download, VoIP data, or an image file are processed by communication subsystem 204 and input to processor 202 for further processing.
  • a downloaded Web page can be further processed by a browser application, or an e-mail message can be processed by an e-mail message messaging application and output to display 206 .
  • a user of portable electronic device 102 can also compose data items, such as e-mail messages, for example, using the input devices, such as auxiliary I/O subsystem 216 , in conjunction with display 206 .
  • portable electronic device 102 provides telephony functions and operates as a typical cellular phone.
  • portable electronic device 102 provides video telephony functions and operates as a video teleconference terminal.
  • portable electronic device 102 utilizes one or more cameras (such as camera 224 ) to capture video for the video teleconference.
  • FIG. 2C illustrates an exemplary payload transportation system 260 for facilitating payload transportation using UAVs, consistent with some embodiments of the present disclosure.
  • payload transportation system 260 can include a computer system 261 , input devices 264 , output devices 265 , portable electronic devices 102 , UAVs 130 , and UAV stations 140 .
  • Computer system 261 can enable or provide a UAV service (e.g., UAV service 120 ) as described with FIG. 1 . It is appreciated that components of payload transportation system 260 can be separate systems or can be integrated systems.
  • computer system 261 can comprise one or more central processing units (“CPU” or “processor(s)”) 262 .
  • Processor(s) 262 can comprise at least one data processor for executing program components for executing user- or system-generated requests.
  • a user may include a person, a person using a device such as those included in this disclosure, or such a device itself.
  • Processor(s) 262 can include specialized processing units such as integrated system (bus) controllers, memory management control units, floating point units, graphics processing units, digital signal processing units, etc.
  • Processor(s) 262 can include a microprocessor, such as AMD Athlon, Duron or Opteron, ARM's application, embedded or secure processors, IBM PowerPC, Intel's Core, Itanium, Xeon, Celeron or other line of processors, etc.
  • Processor(s) 262 can be implemented using mainframe, distributed processor, multi-core, parallel, grid, or other architectures. Some embodiments may utilize embedded technologies like application-specific integrated circuits (ASICs), digital signal processors (DSPs), Field Programmable Gate Arrays (FPGAs), etc.
  • ASICs application-specific integrated circuits
  • DSPs digital signal processors
  • FPGAs Field Programmable Gate Arrays
  • I/O interface 263 can employ communication protocols/methods such as, without limitation, audio, analog, digital, monoaural, RCA, stereo, IEEE-1394, serial bus, universal serial bus (USB), infrared, PS/2, BNC, coaxial, component, composite, digital visual interface (DVI), high-definition multimedia interface (HDMI), RF antennas, S-Video, VGA, IEEE 802.11a/b/g/n/x, Bluetooth, cellular (e.g., code-division multiple access (CDMA), high-speed packet access (HSPA+), global system for mobile communications (GSM), long-term evolution (LTE), WiMax, or the like), etc.
  • CDMA code-division multiple access
  • HSPA+ high-speed packet access
  • GSM global system for mobile communications
  • LTE long-term evolution
  • WiMax wireless wide area network
  • Output device 265 can be a printer, fax machine, video display (e.g., cathode ray tube (CRT), liquid crystal display (LCD), light-emitting diode (LED), plasma, or the like), audio speaker, etc.
  • a transceiver 266 can be disposed in connection with processor(s) 262 . The transceiver may facilitate various types of wireless transmission or reception.
  • the transceiver may include an antenna operatively connected to a transceiver chip (e.g., Texas Instruments WiLink WL1283, Broadcom BCM4750IUB8, Infineon Technologies X-Gold 618-PMB9800, or the like), providing IEEE 802.11a/b/g/n, Bluetooth, FM, global positioning system (GPS), 2G/3G HSDPA/HSUPA communications, etc.
  • a transceiver chip e.g., Texas Instruments WiLink WL1283, Broadcom BCM4750IUB8, Infineon Technologies X-Gold 618-PMB9800, or the like
  • IEEE 802.11a/b/g/n e.g., Texas Instruments WiLink WL1283, Broadcom BCM4750IUB8, Infineon Technologies X-Gold 618-PMB9800, or the like
  • IEEE 802.11a/b/g/n e.g., Bluetooth, FM, global positioning system (GPS), 2G/3G HSDPA/HS
  • processor(s) 262 may be disposed in communication with a communication network 110 via a network interface 267 .
  • Network interface 267 can communicate with communication network 110 .
  • Network interface 267 can employ connection protocols including, without limitation, direct connect, Ethernet (e.g., twisted pair 10/100/1000 Base T), transmission control protocol/internet protocol (TCP/IP), token ring, IEEE 802.11a/b/g/n/x, etc.
  • communication network 110 can include, without limitation, a direct interconnection, local area network (LAN), wide area network (WAN), wireless network (e.g., using Wireless Application Protocol), the Internet, etc.
  • LAN local area network
  • WAN wide area network
  • wireless network e.g., using Wireless Application Protocol
  • These devices may include, without limitation, personal computer(s), server(s), fax machines, printers, scanners, various mobile devices such as cellular telephones, smartphones (e.g., Apple iPhone, Blackberry, Android-based phones, etc.), tablet computers, eBook readers (Amazon Kindle, Nook, etc.), laptop computers, notebooks, gaming consoles (Microsoft Xbox, Nintendo DS, Sony PlayStation, etc.), or the like.
  • computer system 261 may itself embody one or more of these devices.
  • Memory devices 275 can store a collection of program or database components, including, without limitation, an operating system 276 , user interface application 277 , flight route planning algorithms 278 , UAV flight routes 279 , payload transportation data 280 , user/application data 281 (e.g., any data variables or data records discussed in this disclosure), etc.
  • Operating system 276 can facilitate resource management and operation of computer system 261 .
  • operating systems include, without limitation, Apple Macintosh OS X, Unix, Unix-like system distributions (e.g., Berkeley Software Distribution (BSD), FreeBSD, NetBSD, OpenBSD, etc.), Linux distributions (e.g., Red Hat, Ubuntu, Kubuntu, etc.), IBM OS/2, Microsoft Windows (XP, Vista/7/8, etc.), Apple iOS, Google Android, Blackberry OS, or the like.
  • BSD Berkeley Software Distribution
  • FreeBSD FreeBSD
  • NetBSD NetBSD
  • OpenBSD OpenBSD
  • Linux distributions e.g., Red Hat, Ubuntu, Kubuntu, etc.
  • IBM OS/2 Microsoft Windows (XP, Vista/7/8, etc.)
  • Apple iOS Google Android
  • Google Android Blackberry OS
  • User interface 277 can facilitate display, execution, interaction, manipulation, or operation of program components through textual or graphical facilities.
  • user interfaces can provide computer interaction interface elements on a display system operatively connected to computer system 261 , such as cursors, icons, check boxes, menus, scrollers, windows, widgets, etc.
  • Graphical user interfaces may be employed, including, without limitation, Apple Macintosh operating systems' Aqua, IBM OS/2, Microsoft Windows (e.g., Aero, Metro, etc.), Unix X-Windows, web interface libraries (e.g., ActiveX, Java, Javascript, AJAX, HTML, Adobe Flash, etc.), or the like.
  • flight route planning algorithms 278 can include processes to determine or calculate flight routes for UAV 130 to transport a payload from an originating location to a destination location. Flight route planning algorithm 278 may determine the flight route based on, for example, location data, geospatial data, obstacle data, avoidance zones, latitude, longitude, and altitude data. Exemplary flight route planning algorithms 278 are described in more detail in the co-pending U.S. Patent Application No. 62/138,910 filed on Mar. 26, 2015, entitled “System and Methods for Unmanned Aerial Vehicle Route Planning” (Attachment B) and in co-pending U.S. Patent Application No. 62/138,914 filed on Mar.
  • Computer system 261 can also store UAV flight routes 279 (e.g., save previous determined UAV flight routes) and payload transportation data 280 (e.g., payload transporting requests, payload descriptions, and/or payload transportation confirmation).
  • UAV flight routes 279 e.g., save previous determined UAV flight routes
  • payload transportation data 280 e.g., payload transporting requests, payload descriptions, and/or payload transportation confirmation.
  • computer system 261 may store user/application data 121 , such as data, variables, and parameters as described in this disclosure.
  • databases may be implemented as fault-tolerant, relational, scalable, secure databases such as Oracle or Sybase.
  • databases may be implemented using standardized data structures, such as an array, hash, linked list, struct, structured text file (e.g., XML), table, or as object-oriented databases (e.g., using ObjectStore, Poet, Zope, etc.).
  • object-oriented databases e.g., using ObjectStore, Poet, Zope, etc.
  • Such databases may be consolidated or distributed, sometimes among the various computer systems discussed above in this disclosure. It is to be understood that the structure and operation of any computer or database component may be combined, consolidated, or distributed in any working combination.
  • the portable electronic device also provides authentication regions (not shown) on user interface 300 .
  • the authentication regions can include a user name region and a password region for authenticating the user.
  • a user may need to enter his or her user name and password before the portable electronic device allows the user to use the application or displays the next user interface (e.g., user interface 304 shown in FIG. 3B ).
  • the authentication can be any process that confirms the user's identity.
  • the portable electronic device can authenticate the user by validating his or her identity documents, verifying the user's biometric characteristics, verifying a digital certificate, or verifying an encryption key.
  • FIG. 3B illustrate an exemplary user interface 304 of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interface 304 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • User interface 304 may include a plurality of regions, such as an active flight region, a flight scheduling region, and an asset management region.
  • An active flight region displays information associated with an active flight.
  • An active flight can be a flight that is scheduled, in-flight, or otherwise remaining in a mission for transporting a payload.
  • a UAV e.g., UAV 130
  • the portable electronic device may display “NO ACTIVE FLIGHTS” in the active flight region of user interface 304 , indicating that there is currently no active flights.
  • the portable electronic device can also display “Schedule New Flight” text in the flight scheduling region of user interface 304 .
  • This “Schedule New Flight” text enables the user to schedule a new flight.
  • the portable electronic device can further display a plurality of asset management icons in the asset managing region.
  • the asset management icons include a “Team Members” icon for managing team members (e.g., transporters), a “Vehicles” icon for managing vehicles (e.g., UAVs), a “Stations” icon for managing stations (e.g., UAV stations, landing platforms, or exchange stations), and a “Routes” icon for managing UAV flight routes.
  • a user can obtain or manage the team members' information by selecting the team members icon. After the user selects the “Team Members” icon (e.g., by touching the “Team Members” icon displayed in the asset management region of user interface 304 ), the portable electronic device can display the information associated with a plurality of team members, such as the names of other operators who have access to the UAVs, UAV stations and routes of the same network.
  • a user can obtain or manage the UAVs, the UAV stations, and the routes by selecting the “Vehicles” icon, the “Stations” icon, or the “Routes” icon, respectively, as shown on user interface 304 .
  • the portable electronic device can display the information associated with the respective icons.
  • the portable electronic device can display the number of UAVs, the locations of the UAVs, the status of the UAVs (e.g., active, inactive, in-flight, etc.), the number of UAV stations, the locations of the UAV stations, the status of the UAV stations, the save flight routes, and any information associated with a particular flight route.
  • the status of the UAV stations can include the number of UAVs landed on the landing platforms of the UAV stations, the number of remaining payloads of the UAV stations, and any other logistic information associated with the UAV stations.
  • the information associated with a particular flight route includes, for example, the estimated time and distance for a flight route, the altitude information of the flight route, and whether a particular flight route is affected by a changing weather.
  • FIGS. 3C and 3D illustrate exemplary user interfaces 310 and 312 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 310 and 312 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • application 234 e.g., application 234
  • portable electronic device e.g., portable electronic device 102
  • user interface 310 Similar to user interface 304 , user interface 310 also includes a plurality of regions such as the active flight region, the flight scheduling region, and the asset management region. In the active flight region of user interface 310 , the portable electronic device can display information associated with an active flight.
  • the takeoff location of the UAV used in the active flight e.g., JW Marriott
  • the scheduled landing location of the UAV e.g., the Mohawk
  • the identification of the UAV e.g., M1-Calder
  • the battery status of the UAV e.g., 23.92V
  • the estimated time of arrival (ETA) e.g., 00:14:06
  • the time in flight e.g., 00:01:06
  • the altitude of the UAV e.g., above ground level (AGL) 93 meters.
  • the flight scheduling region and the asset management region on user interface 310 can be substantially similar to those on user interface 304 described above, and thus are not repeatedly described.
  • the portable electronic device can display multiple active flights in the active flight region.
  • the active flight region of user interface 312 illustrates two active flights.
  • the portable electronic device can display information in various forms.
  • the scheduled landing location of the second flight i.e., the flight having a takeoff location of MCH1 is displayed using coordinates or positions rather than a name of the destination location.
  • the flight scheduling region and the asset management region on user interface 312 can be substantially similar to those on user interface 304 described above, and thus are not repeatedly described.
  • FIGS. 3E and 3F illustrate exemplary user interface 316 and 318 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 316 and 318 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device can display a map on user interface 316 to enable the user to select an originating location of a UAV flight.
  • An originating location can be a location where the UAV takes off (e.g., a takeoff location) or a location where the payload originates (e.g., a location where the payload is received).
  • the originating location and the takeoff location may or may not be the same location.
  • the map can display an icon of a UAV station that is located in the area shown on the map.
  • a UAV station may be located at the JW Marriott hotel and the portable electronic device displays an icon of that UAV station with a label indicating “JW Marriott.”
  • the portable electronic device can display a map that allows a user to select an arbitrary location on the map. For example, a user may determine that the “JW Marriott” UAV station is not convenient or is not available to be a takeoff location, the user can thus select an arbitrary location on the map as the takeoff location.
  • the user can select the takeoff location by either tapping on a UAV station icon or by long pressing (e.g., pressing and holding) an arbitrary location on the map.
  • the portable electronic device may not display a map or may display a map with a text input region.
  • the portable electronic device may display a text input region to allow the user to provide the description or coordinates of the takeoff location.
  • the portable electronic device may also provide one or more messages on user interface 316 .
  • the portable electronic device may display a message stating “Set a takeoff location by tapping a station or long pressing an arbitrary point on the map.” The message provides instructions to the user for operating using user interface 316 .
  • FIG. 3F illustrates user interface 318 that includes a map for enabling the user to select a takeoff location of a UAV flight.
  • the portable electronic device can display icons of multiple (e.g., two) UAV stations (e.g., JW Marriott station and S. Congress Bats station).
  • a user may select one or these UAV stations as the takeoff location by tapping on one of the UAV station icons.
  • a user may also determine that both of these UAV stations are not convenient or not available.
  • the user may thus select an arbitrary location on the map to be the takeoff location. For example, the user may long press an arbitrary location 319 on the map.
  • the portable electronic device displays a mark (e.g., a concentric circles icon) identifying the takeoff location that the use selects.
  • a mark e.g., a concentric circles icon
  • the portable electronic device can also display a menu bar region on user interface 318 .
  • the menu bar region may be located at the bottom of user interface 318 and includes a menu bar 320 .
  • Menu bar 320 can include a plurality of icons allowing the user to go-back to the previous user interface, go-forward to the next user interface, invoke a settings user interface, invoke a user interface for displaying UAV stations, and or invoke a user interface for adding a UAV station.
  • some of the icons on user interface 318 can be greyed out or disabled if the portable electronic device detects no user input or insufficient user input. For example, the portable electronic device may disable a “Next” button before it receives the user input for selecting a takeoff location.
  • FIGS. 3G and 3H illustrate exemplary user interfaces 322 and 324 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 322 and 324 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device displays user interface 322 .
  • User interface 322 can provide one or more messages instructing the user to select a destination location for the UAV.
  • a destination location can be a location the UAV releases the payload (e.g., a landing location) or can be a location where the payload is intended to be received.
  • the destination location may or may not be the same as the landing location.
  • the portable electronic device may display a message instructing the user to “Choose a landing location by taping a station or tapping and holding an arbitrary point on the map.” Similar to the selection of a takeoff location, user interface 322 allows the user to select a destination location or landing location by tapping on an existing UAV station or long pressing an arbitrary location on the displayed map.
  • the portable electronic device can obtain a determination of a flight route and display the flight route between the takeoff location and the landing location.
  • the portable electronic device can receive a user input indicating a selected landing location and displays the landing location on user interface 324 .
  • the portable electronic device can then provide the users selection of takeoff location and landing location to a UAV service (e.g., UAV service 120 ).
  • UAV service can determine whether there is a viable flight route between the takeoff location and the landing location.
  • the UAV service determines whether there are obstacles, flight avoidance zones (e.g., an airport), or other factors interfering a flight between the takeoff location and the landing location. And if there are such interfering factors, the UAV service can determine whether a flight is still viable by, for example, taking an alternative route.
  • the flight route determination or planning is described in more detail in U.S. Provisional Patent Application No. 62/138,910 filed on Mar. 26, 2015, entitled “System And Methods For Unmanned Aerial Vehicle Route Planning;” in U.S. Provisional Patent Application No. 62/138,914 filed on Mar. 26, 2015, entitled “Unmanned Aerial Vehicle;” and in co-pending U.S. patent application Ser. No. 15/081,195 filed Mar.
  • the UAV service determines there is a viable flight route between the selected takeoff location and the landing location, the UAV service provides the determined flight route to the portable electronic device.
  • the portable electronic device can thus display, for example, a line between the takeoff location and the destination location indicating a viable flight route.
  • user interface 324 can allow the user to add additional locations and/or change the existing locations. For example, user interface 324 may display a message stating “Long press on arbitrary points on map to add additional fly to points if desires. Points can be moved by dragging them.” Thus, if a user desires to add an additional takeoff and/or landing location, the user can repeat the above described process (e.g., tap on another UAV station or long press another arbitrary location on the map) to select additional takeoff and/or landing locations.
  • the portable electronic device can repeat the process to obtain determinations indicating whether viable flight routes to the additional locations exist. Based on such determinations, user interface 324 can display one or more additional viable flight routes. Further, user interface 324 can allow the user to move a selected location to another location (e.g., allowing dragging of a selected arbitrary location) on the map. In response to such user movement, the portable electronic device can obtain further determination indicating whether a viable flight route exists for the new location. Based on the determination, user interface 324 can display such viable flight routes.
  • FIGS. 3I and 3J illustrate exemplary user interfaces 326 and 328 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 326 and 328 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • User interface 326 is the same or substantially the same as user interface 322 illustrated in FIG. 3G , and thus is not repeatedly described here.
  • the portable electronic device can obtain a determination indicating whether a viable flight route exists between the two locations.
  • the determination may indicate that there is no viable flight route.
  • the flight between the two locations may not be viable because the flight route is interfered by obstacles, by flight avoidance zones, or by severe weather conditions.
  • the flight route may also not be viable if the power supply of the UAV (e.g., a battery) is not sufficient to support such a flight.
  • a UAV service may fail to determine a viable flight route between the selected takeoff location and the landing location. For example, such determination may fail because there is insufficient geospatial data and/or weather information, because the selected landing location is in an avoidance zone, or because the selected landing location is known to have has no or weak satellite or cellular signal coverage.
  • user interface 328 may display a message requesting the user to manually complete the flight route determination or planning. For example, as shown in FIG. 3J , user interface 328 may display a message stating “Automatic Route Planning Failure. Please manually complete the path to the landing point.”
  • FIGS. 3K and 3J illustrate exemplary user interfaces 332 and 336 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 332 and 336 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device can display a viable flight route on a corresponding user interface.
  • the portable electronic device can display user interface 332 for acquiring altitude information. For example, in response to the user's selection of the “Next” button shown on user interface 324 of FIG. 3H , the portable electronic device displays user interface 332 of FIG. 3K .
  • user interface 332 may display a message instructing the user to provide a desired altitude.
  • a desired altitude For example, such message may state “Set desired altitude above ground level. This should be high enough to clear ground obstacles like trees and buildings, but lower than legal limits.”
  • User interface 332 can also provide a text input region, a sliding scale input, a drop menu, or any other input mechanisms for the user to provide the altitude value.
  • user interface 332 may provide a sliding scale for allowing the user to select an altitude (e.g., 115 m AGL).
  • the portable electronic device in response to the user's selection, can provide the user input to a UAV service (e.g., UAV service 120 ) for determination of the minimum altitude (e.g., floor altitude of 90 m) and the maximum altitude (e.g., ceiling altitude of 120 m).
  • UAV service e.g., UAV service 120
  • the portable electronic device can obtain such determination and display such information on user interface 332 .
  • the portable electronic device after obtaining the determination of the flight route, can obtain determination of the altitude without the user's input.
  • the UAV service can automatically determine the altitude based on data associated with the determined flight route, and provide the determination to the portable electronic device.
  • the portable electronic device after the portable electronic device receives the user input of the altitude information or obtains the altitude information from the UAV service, it can display user interface 336 .
  • User interface 336 can provide information or flight parameters associated with the determined flight route for the user's review or confirmation. For example, user interface 336 can provide distance information showing that for a particular flight route, the UAV may travel 9.5 km with 205 m ascent distance and 215 m descent distance.
  • User interface 336 can also provide altitude above ground (AGL) information showing, for example, the maximum AGL may be set at 120 m and the average altitude may be 91 m.
  • User interface 336 can also provide altitude above mean sea level (AMSL) information showing that, for example, the maximum AMSL may be 873 m, the minimum AMSL may be 546 m, and the average AMSL may be 745 m.
  • AGL altitude above ground
  • AMSL altitude above mean sea level
  • user interface 336 can also provide additional information such as the time estimate for the flight (e.g., 00:15:12) and/or the speeds of the UAV (e.g., forward speed of 10 mps, ascent speed of 2.5 mps, and descent speed of imps). Further, user interface 336 can display a message instructing the user to confirm the flight information is correct. For example, such message may state “Confirm everything is correct and hit save to save the route.” User interface 336 can display a “Save” button to allow saving of the determined flight route and associated flight parameters. If one or more of the flight parameters are incorrect, user interface 336 allows the user to go back to previous user interfaces to change the inputs (e.g., the landing location, the altitude, etc.).
  • the time estimate for the flight e.g., 00:15:12
  • the speeds of the UAV e.g., forward speed of 10 mps, ascent speed of 2.5 mps, and descent speed of imps.
  • user interface 336 can display a
  • FIGS. 3 L 1 - 3 L 3 illustrate exemplary user interface 336 providing additional information regarding the risk assessment of flight route planning.
  • the UAV service e.g., UAV service 120
  • the UAV service can determine a flight route based on the user's inputs (e.g., taking off location, landing location, altitude, etc.)
  • the UAV service determines such flight route using hardware and/or software tools such as automatic obstacle avoidance and terrain-aware vertical planning.
  • the UAV service and/or the portable electronic device can also perform risk assessment of a determined flight route.
  • the UAV service may perform a risk assessment based on data related to the geographical areas along the determined flight route, the UAV's historical data, and one or more risk assessment algorithms.
  • the UAV service can obtain population density data from datastores 150 .
  • Datastore 150 may obtain the population density data from various resources such as a website providing information of FSO STATPOP 100 m resolution (e.g., http://www.bfs.admin.ch/bfs/portal/de/index/news/02/03/01/01.html).
  • the UAV service can also obtain a particular UAV's empirical velocity data, such as a velocity lookup table as shown in Table 1 below.
  • the UAV service can further obtain a particular UAV's impact area data, which may represent impact area sizes corresponding with various phases of flight such as takeoff, ascent, forward flight, descent, and landing.
  • the impact area data may be in the form of a lookup table such as the one shown in Table 2 below.
  • the UAV service can determine a risk quotient, which represents the risk assessment of a determined flight route. For example, the UAV service can determine the risk quotient based on a risk quotient algorithm or formula. An exemplary risk quotient formula is shown below as formula 1.
  • R c represents the mean risk per mission
  • P c represents probability of a crash during the mission
  • a c represents the UAV's “lethal area”
  • D i represents the population density in each segment of the mission
  • T i represents the time spent over each segment of the mission
  • T represents the overall mission time.
  • a mission may include one or more segments along a flight route.
  • the UAV service for determining the risk quotient, subdivides the horizontal path of a flight route into grid squares sized according to the resolution of the population density data.
  • a grid square may represent a segment of the flight route.
  • the UAV service can determine the local risk quotient using the impact area value for the current phase or segment of flight, and the population density for the particular grid square.
  • the UAV service can also determine the amount of time spent flying over the grid square using the velocity lookup table (e.g., Table 1) and the current climb angle of the UAV.
  • the UAV service can determine the overall risk quotient by producing a weighted average of all local risk quotients. The weighted average can be based on local travel time weighting.
  • the UAV service can provide the risk quotient to the user's portable electronic device.
  • the portable electronic device can display, for example, the risk quotient, a message indicating whether the risk is in an acceptable range, and a graphical representation of the risk assessment.
  • user interface 336 may provide the risk quotient number (e.g., “5.2”) and a message indicating that it is “UNACCEPTABLE” (FIG. 3 L 1 ).
  • user interface 336 may provide the risk quotient number (e.g., “6.9”) and a message indicating that it is “ACCEPTABLE” (FIG. 3 L 2 ).
  • a user e.g., an operator or an administrator may need to adjust the inputs such that the risk assessment becomes “ACCEPTABLE.”
  • user interface 336 can display, for example, a pop-up window or an area providing risk formula terms or parameters.
  • user interface 336 can provide mean time between unplanned landings (MTBUPL, e.g., 48 hours), the impact areas, the battery capacity of the UAV, and the ideal navigation speed.
  • MTBUPL mean time between unplanned landings
  • the user may adjust the inputs (e.g., horizontal path inputs such as the takeoff location and the landing location, and vertical path inputs such as the altitude).
  • the portable electronic device can provide the adjusted or updated inputs to the UAV service, which may repeat the risk assessment process as described above.
  • the adjustments of inputs and risk assessments can be adjusted as many times as desired to place the risk quotient in an acceptable range.
  • FIGS. 3M and 3N illustrate exemplary user interfaces 342 and 346 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 342 and 346 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device can allow a user to confirm and save a determined flight route and associated flight parameters.
  • the portable electronic device can also provide user interfaces 342 and 346 to allow the user to initiate the flight of the UAV.
  • user interface 342 provides a control switch (e.g., a slide switch) for turning on the propellers of the UAV.
  • a control switch e.g., a slide switch
  • the portable electronic device can communicate directly or indirectly (e.g., through a UAV service) with the UAV to turn on the propellers of the UAV.
  • user interface 342 also provides a plurality of flight parameters such as estimated time of arrival (ETA), the time in flight, the remaining distance to the destination, the AGL, etc.
  • ETA estimated time of arrival
  • the control switch such as the one shown on user interface 342 , the user can turn on the propellers of the UAV and therefore prepare the UAV for taking off.
  • the portable electronic device can display user interface 346 .
  • User interface 346 can indicate that the propellers of the UAV are turned on and provide a control button for initiating the flight (e.g., a “takeoff” button). For example, the user may touch or push the control button on user interface 346 to initiate the flight.
  • user interface 346 can also display information associated with the flight. Such information includes, for example, the estimated time of arrival (ETA), the time in flight, the remaining distance to the destination, and the AGL.
  • ETA estimated time of arrival
  • FIGS. 3O and 3P illustrate exemplary user interfaces 352 and 356 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 352 and 356 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device can provide user interface 352 to allow interruption of the UAV flight.
  • a UAV is capable of autonomous flight after the flight route is configured.
  • the UAV can fly and transport the payload it carries to the destination without control or further interference of the user.
  • the portable electronic device may indicate that the UAV is in the mode of automatic flight or auto pilot by displaying “automatic flight on” on user interface 352 .
  • the user may wish to interrupt the flight. For example, the user may wish to interrupt the flight if there is a recent change of destination for delivering the payload; if there is a sudden weather change along the flight route; or if the UAV is not in a good condition to complete the flight.
  • the portable electronic device provides a flight interruption switch on user interface 352 .
  • user interface 352 can display a sliding switch to allow the user to interrupt the flight. Similar to user interface 346 , user interface 352 can also provide information associated with the UAV flight such as the estimated time of arrival (ETA), the time in flight, the remaining distance to the destination, the AGL, etc.
  • ETA estimated time of arrival
  • user interface 352 may also provide the current location of the UAV by displaying an icon representing the UAV on the map.
  • the portable electronic device can display a flight interruption menu on user interface 356 .
  • the flight interruption menu can include a plurality of selections such as “Hold Position,” “Reverse Course,” or “Land Now.” The selections can allow the user to control the UAV accordingly. For example, if the portable electronic device receives a user selection indicating to “Hold Position,” the portable electronic device can communicate with the UAV (e.g., via a UAV service) to hold the current location until further instructions. If the portable electronic device receive a user selection indicating to “Reverse Course,” it can communicate with the UAV to abandon the current flight to the destination location and instead to fly back to the takeoff location.
  • the portable electronic device receives a user selection indicating to “Land Now,” it communicates with the UAV to look for a nearby suitable landing place and/or land the UAV immediately.
  • the communication between the portable electronic device and the UAV may be a direct communication using, for example, cellular or radio communications.
  • the communication may be an indirect communication facilitated by a UAV service (e.g., UAV service 120 ).
  • the UAV interruption menu can also include a “cancel” selection to allow the portable electronic device to go back to a previous interface (e.g., user interface 352 ).
  • a previous interface e.g., user interface 352
  • the UAV flight may not be interrupted.
  • the flight interruption menu overlaps a background image (e.g., a greyed out image of the map and the information associated with the flight parameters).
  • FIGS. 3Q, 3R, 3S, and 3T illustrate exemplary user interfaces 362 , 364 , 366 , and 368 respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 362 , 364 , 366 , and 368 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device allows the user to load an airspace model associated with a UAV flight route.
  • An airspace model can be, for example, a model that includes information required or employed for analyzing a flight route and/or for providing information to an administer or operator for flight route planning.
  • An airspace model can be a collection of 2D or 3D geographic datasets, including, for example, a digital elevation model, polygonal data such as the locations of restricted or protected airspace, line string and point data indicating the location of navigation hazards like power lines and towers, and other data (e.g., the population density, etc.) that may impact the safe navigability of a UAV flight route.
  • an airspace model may include a terrain model, which can provide earth elevation (e.g., elevation above sea level) repeatedly, periodically, or continuously (e.g., in every 30 meters within accuracy of 30 meters).
  • the terrain model can also provide locations, heights, and/or geometries of high or elevated obstacles, such as power lines, cellular towers, buildings, etc.
  • An airspace model may also include a model showing restricted airspace such as class B airspaces, or airspaces otherwise closed to UAV operation.
  • An airspace model may also include population density data showing areas of higher population density that the operator may wish to avoid during flight route planning and areas of lower population density that the operator may wish to include during flight route planning.
  • an airspace model may also include weather data.
  • the user may wish to load the airspace model associated with the determined flight route to determine, verify, or ensure the actions the UAV takes complies with all the airspace regulations and rules.
  • an airspace model may be required for flight route planning.
  • the portable electronic device can display a corresponding message (e.g., “Airspace Model Not Available”), as illustrated in user interface 362 of FIG. 3Q .
  • the portable electronic device and/or the UAV service e.g., UAV service 120
  • the portable electronic device can load the model for flight route planning.
  • the portable electronic device can display a message (e.g., “Airspace Model Loading 40%” or “Airspace Model Loading . . . ”) showing the progress of the loading, as illustrated on user interfaces 364 or 366 of FIGS. 3R and 3S .
  • the portable electronic device can display an icon indicating that the model is loaded, as illustrated on user interface 368 of FIG. 3T .
  • a flight route planning may begin using the loaded airspace model.
  • FIGS. 3U, 3V, 3W, and 3X illustrate exemplary user interfaces 370 , 374 , 378 , and 380 , respectively, of an application for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 370 , 374 , 378 , and 380 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device can provide one or more UAV flight connections associated with a flight route determination.
  • a UAV flight connection may be required if the distance between the originating location and the destination location is beyond the maximum distance that the UAV can fly without a recharge of its battery.
  • the portable electronic device may provide one or more user interfaces to allow the user to configure one or more connections for a particular flight route.
  • user interface 370 provides a flight route from an originating location (e.g., Liebistorf Clubhouse) to a connection location (e.g., Kerzers Hill Landing).
  • User interface 370 can also provide information associated with such flight route.
  • user interface 370 may provide that the flight route from the originating location Liebistorf Clubhouse to the connection location Kerzers Hill Landing is via Randlefleingn.
  • user interface 370 can allow the user to associate alternate route other than the existing flight routes.
  • the portable electronic device can provide user interface 374 to allow the user to add additional connection locations.
  • user interface 374 can display the current connection location (e.g., Kerzers Hill Landing”) and also display an option to add new connection locations.
  • user interface 378 can display only the option to add new connection locations if there is no current connection.
  • the portable electronic device can provide a plurality of connection locations that are available for selection.
  • user interface 380 can display connected UAV stations such as Lieebistorf Clubhouse, Kerzers Hill Landing, and Sindleflingen Station. It may also provide unconnected UAV stations such as Mont Vully. UAV stations can be connected by one or more flight routes. Unconnected UAV stations may be stations that are not connected by any flight route.
  • a flight route graph can be obtained for flight route planning by the UAV service.
  • the flight route graph may allow for shortest path algorithms to resolve a route between UAV stations using routes as graph edges.
  • edges can be weighted by attributes such as distance, travel time, safety risk, occupancy, etc.
  • FIG. 3Y illustrates a flow chart of an exemplary process 390 for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure. Some features of the process 390 are illustrated in FIGS. 1, 2A-2C, and 3A-3X and accompanying descriptions.
  • the process 390 can be performed by a portable electronic device (e.g., portable electronic device 102 in FIGS. 1 and 2B ).
  • a portable electronic device e.g., portable electronic device 102 in FIGS. 1 and 2B having one or more processors and memory receives (step 392 ) a first input indicating a takeoff location of the UAV and a second input indicating a landing location of the UAV. At least one of the takeoff location and the landing location is associated with a UAV station.
  • the portable electronic device further receives (step 394 ) a third input associated with altitude information.
  • the portable electronic device In response to receiving the first, second, and optionally the third inputs, the portable electronic device obtains (step 396 ) a determined UAV flight route from the takeoff location to the landing location; and provides (step 398 ), based on the obtained UAV flight route, flight route information to the UAV.
  • the flight route information indicates a viable flight route.
  • the portable electronic device can further provide (step 399 ) a takeoff command to the UAV according to the viable flight route.
  • FIG. 3Y is merely illustrative of a method for facilitating payload transportation using a UAV.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings.
  • a transportation administrator or an operator can conveniently and flexibly perform many tasks associated with payload transportation using UAVs.
  • the user can manage the UAV flight routes and flight status, and interrupt the flight in real time.
  • the user can simulate the flight route before the UAV actually flies, therefore avoiding potential crashes or failures of the transportation tasks.
  • the user is provided with options to flexibly select flight route through connection locations to enable long distance payload transportation using UAVs. Such transportation may not be possible with the current UAV technologies because of the limitation of UAV battery life.
  • FIG. 4A is a block diagram illustrating exemplary UAV service 120 for enabling payload transportation using UAVs, consistent with some embodiments of the present disclosure.
  • UAV service 120 can be provided by a computer system (e.g., computer system 261 ).
  • UAV service 120 can be provided by a cloud service.
  • a cloud service enables, for example, ubiquitous, convenient, on-demand access to a shared pool of configurable computing resources.
  • Such cloud service can be, for example, IaaS (Infrastructure-as-a-Service), PaaS (Platform-as-a-Service), and/or SaaS (Software-as-a-Service) type services.
  • UAV service 120 can communicate with a portable electronic device (e.g., portable electronic device 102 or the device shown in block 404 of FIG. 4A ).
  • the portable electronic device can obtain an identification of a payload to be transported.
  • the identification of the payload can be a barcode, a QR (quick response) code, an electronic identification tag, a near field identification tag, or any type of identification.
  • the identification of the payload can be in the form of the native format of a barcode, a QR code, an electronic identification tag, or a near field ID tag; or in the form of a digital representation thereof. For example, as illustrated in block 404 of FIG.
  • the portable electronic device can scan a barcode that identifies a blood sample.
  • the portable electronic device can transmit the identification (e.g., a digital representation of the scanned barcode) to UAV service 120 .
  • UAV service 120 receives the identification of the payload to be transported from the portable electronic device.
  • the identification can be associated with a destination location of the payload.
  • a scanned barcode that identifies a blood sample can be associated with the delivery destination address of the blood sample.
  • UAV service 120 can acquire the destination location of the payload based on the received identification.
  • UAV service 120 further receives a first identification of a payload container from the portable electronic device.
  • the portable electronic device can acquire a first identification identifying the payload container.
  • the first identification can be a barcode, a QR code, an electronic identification tag, a near field identification tag, or any type of identification.
  • the first identification of the payload container may be the in the form of the native format of a barcode, a QR code, electronic identification tag, or near field ID tag; or in the form of a digital representation thereof.
  • the portable electronic device can transmit the first identification of the payload container (e.g., a digital representation of the scanned barcode of the payload container) to UAV service 120 .
  • UAV service 120 can associate the identification of the payload with the first identification of the payload container. For example, UAV service 120 can recognize that a scanned barcode identifying a blood sample and the scanned barcode of a payload container are provided by the same portable electronic device in a same transaction or scheduling process. UAV service 120 can thus associate the scanned barcode of the blood sample with the scanned barcode of the payload container. As a result, UAV service 120 can determine the destination location of the payload container using the destination location associated with the identification of the payload.
  • the first identification of the payload container can be further associated with a second identification of the payload container (e.g., an RFID tag).
  • the second identification can be obtainable by a UAV.
  • the second identification can be a Radio Frequency Identification (RFID) tag, a barcode, a QR code, an electronic identification tag, a near-filed ID tag, or any other type of identification.
  • RFID Radio Frequency Identification
  • the second identification of the payload container can be the in the form of the native format of an RFID tag, a barcode, QR code, electronic identification tag, or near field ID tag; or in the form of a digital representation thereof.
  • the second identification can be readable by a reader (e.g., an RFID reader) of the UAV.
  • the first and second identifications correspond with each other such that they identify the same payload container.
  • the payload container that contains the payload (e.g., the blood sample shown in block 404 ) to be transported can be received in a UAV.
  • the reader e.g., an RFID reader
  • the UAV can read the second identification of the payload container (e.g., the RFID tag) and transmit the second identification (e.g., a digital representation of the RFID tag) to UAV service 120 .
  • UAV service 120 receives the second identification identifying the payload container from the UAV.
  • the second identification can correspond to the first identification of the payload container to identify the same payload container.
  • UAV service 120 can determine the destination location of the payload container using the first identification of the payload container.
  • UAV service 120 can determine the destination location of the particular UAV that carries the payload container based on the second identification transmitted by the UAV. For example, if UAV service 120 receives an RFID identifying the payload container housing the blood sample from a particular UAV, UAV service 120 can determine the destination location of the particular UAV based on the RFID of the blood sample (and its associated destination location) and the first identification of the payload container provided by the portable electronic device.
  • UAV service 120 can determine a UAV flight route. The determination of the UAV flight route is described above and thus not repeatedly described here. As illustrated in block 410 of FIG. 4A , after such determination, UAV service 120 can provide the determined UAV flight route to the particular UAV that transmits the second identification of the payload container. After receiving the flight route, the particular UAV can transport (block 412 ) the payload container to its destination location. In some embodiments, after the UAV arrives its destination location, UAV service 120 can receive a transportation confirmation (block 414 ). For example, a portable electronic device at the destination location can scan the payload box and transmit the first identification of the payload box and/or a confirmation message to UAV service 120 , indicating that the payload is received at the destination location.
  • FIG. 4B illustrates a flow chart of an exemplary process 420 for facilitating payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • the process 420 is performed by a UAV service provided by a computer system (e.g., computer system 261 in FIG. 2C ) or a cloud service.
  • the UAV service receives (step 422 ) a request for transporting a payload.
  • the request may be received from, for example, a portable electronic device of a user and provided to a portable electronic device of an operator or administrator (step 424 ).
  • the UAV service can communicate various information (step 426 ) with various devices.
  • the UAV service can receive (step 432 ) an identification of a payload to be transported from a portable electronic device of a payload shipper.
  • the identification of the payload can be associated with a destination location of the payload.
  • the identification of the payload may be a digital representation of a barcode of the payload, which identifies the destination location of the payload.
  • the UAV service can also receive (step 434 ) a first identification of a payload container for housing the payload from the portable electronic device of the shipper.
  • the first identification can be accessible on an external surface of the container and can be scannable.
  • the first identification may be a digital representation of a barcode of the payload container, which identifies the payload container.
  • the UAV service can further receive (step 436 ) a second identification from the UAV.
  • the second identification comprises a near-field identification tag (e.g., an RFID tag) that corresponds to the first identification to identify the same container.
  • the UAV can read the RFID tag of the payload container and transmit the RFID tag or a representation of it to the UAV service.
  • the UAV service can also determine a UAV flight route based on the identification of the payload; and provide the UAV flight route to the UAV based on the first and second identifications.
  • the UAV service after the UAV service provides the UAV flight route to the UAV, the UAV flies (step 438 ) from the takeoff location to the landing location, and transports the payload with it.
  • the UAV lands (step 440 ) at the landing location (e.g., a destination UAV station) and unloads the payload container that houses the payload.
  • the UAV service can also provide (steps 442 and 444 ) information associated with the UAV flight to a portable electronic device of the payload receiver. Such information may include, for example, the ETA and the notification of UAV landing.
  • the portable electronic device of the payload receiver can obtain (step 446 ) the first identification (e.g., scan the barcode) of the payload container and provide the first identification and/or a confirmation message to the UAV service.
  • FIG. 4B is merely illustrative of a method for facilitating payload transportation using a UAV.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings.
  • the operator or administrator can effectively schedule, manage, and monitor payload transportation in a large scale. Further, because the UAV service can utilize a broad range of computing resources (e.g., a cloud service) and network resources, it is more efficient to determine flight routes based on numerous conditions. Such determination may not be easily performed by a portable electronic device. In addition, the UAV service allows multiple payload transportation to be coordinated to avoid wasting of UAV resources. The UAV service also enables transporters (e.g., a delivery company or a delivery truck driver) to transport more payloads in a cost-efficient manner.
  • transporters e.g., a delivery company or a delivery truck driver
  • FIG. 5A illustrate an exemplary user interface 500 for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interface 500 can be provided by, for example, an application (e.g., applications 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • user interface 500 can provide an image indicating whether the application is for an administrator or for a transporter.
  • the administrator can be a user who oversees or manages the UAV service for transporting payloads using multiple UAVs.
  • the administrator may be a UAV service administrator or an operator.
  • the transporter can be a user who requests, schedules, or delivers payloads.
  • the transporter may be an exchange station driver such as a transporting vehicle driver.
  • user interface 500 indicates that the application is for a transporter.
  • the portable electronic device can also provide authentication regions (not shown) on user interface 500 .
  • the authentication regions can include a user name region and a password region for authenticating the user.
  • a user may need to provide his or her user name and password before the portable electronic device allows the user to use the application or displays the next user interface (e.g., user interface 502 shown in FIG. 5B ).
  • the authentication can be any process that confirms the user's identity.
  • the portable electronic device can authenticate the user by validating his or her identity documents, verifying the user's biometric characteristics, verifying a digital certificate, or verifying an encryption key.
  • FIGS. 5B, 5C, and 5D illustrate exemplary user interfaces 502 , 506 , and 510 of an application for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 502 , 506 , and 510 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device provides one or more recent transports and information associated with these transports.
  • the recent transports may be transports that are recent in time, but may not be currently active.
  • user interface 502 may display a list of recent transports including a first recent transport named MCH-68ECF and a second recent transport named MCH-12990.
  • the portable electronic device can also provide details of these transports such as the originating location and the destination location, and the transport status.
  • user interface 502 may display that for the first transport, the originating location is MCH Central Lab, the destination location is MCH North, and the status of the first transport is delivered; and for the second transport, the originating location is MCH North, the destination location is a location with coordinates 37.1256 and 104.2345, and the status of the second transport is cancelled.
  • the portable electronic device can provide one or more active transports and information associated with these transports.
  • user interface 506 may display a list of active transports including a first active transport named MCH-45A03 and a second active transport named Pickup for MCH-F504C.
  • a UAV can transport a payload to a destination location; and can also fly to an originating location to pick the payload before it transports that payload to its destination location.
  • these two types of transports can be identified by their names.
  • the first active transport named MCH-45A03 is a transport flight from the originating location to its destination location; and the second active transport named Pickup for MCH-F504C is a transport flight for picking up a payload at the originating location.
  • user interface 506 can also display information associated with the active transports, such as the originating/destination locations, the status of the flight (e.g., “En Route”), and the ETAs of the transports (e.g., 14:07).
  • the portable electronic device can provide both one or more active transports and one or more recent transports and information associated with these transports.
  • user interface 510 displays both the two active transports similar to those illustrated in FIG. 5C and the two recent transports similar to those illustrated in FIG. 5B .
  • the portable electronic device can enable the user to effectively schedule a transport.
  • the user may obtain information from the active and recent transports and reuse the information to quickly schedule a new transport.
  • the user may also observe that a particular transport is already en route and therefore avoid duplicate scheduling of the same transport.
  • the portable electronic device can provide an option on a user interface (e.g., user interfaces 502 , 506 , and 510 ) for scheduling a transport.
  • a user interface e.g., user interfaces 502 , 506 , and 510
  • user interface 510 displays “Schedule a Transport” indicating the user can select to schedule a transport.
  • a user can select the option by, for example, touch or press in the area indicating such option on the user interfaces.
  • the portable electronic device After the portable electronic device receives such user selection or input, it can display the next user interface (e.g., user interface 516 of FIG. 5E ).
  • FIGS. 5E-5J illustrate exemplary user interfaces 516 , 518 , 524 , 528 , 532 , and 536 , respectively, of an application for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 516 , 518 , 524 , 528 , 532 , and 536 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • an application e.g., application 234
  • the portable electronic device displays user interface 516 for allow the user to confirm scheduling a transport.
  • user interface 516 may be skipped.
  • the portable electronic device may display instead user interface 518 requesting the user to provide the contents of the payload.
  • the portable electronic device can display user interface 518 instructing the user to provide the contents of the payload.
  • user interface 518 may display a message stating “What are you sending?”
  • the contents of the payload may include, for example, the identifications of the payload, the priority of the payload, and the description of the payload.
  • user interface 518 displays a list of content fields for user inputs. Some of these content fields may be required, while the other fields may be optional. In some embodiments, the content fields are also configurable or customizable.
  • the content fields displayed on user interface 518 may include a “LBCID” field, a “Chart ID” field, a “Priority” field, and a “Description” field.
  • User interface 518 may also indicate that for a blood sample, all these content fields are required. Based on user interface 518 , a user may select one of the content filed to provide the input.
  • the portable electronic device can display user interface 524 after receiving a user's selection for providing input of the description field.
  • user interface 524 can display a message stating “What are you sending?” instructing the user to provide a description of the payload content.
  • User interface 524 can also provide a text input region to receive the user input of the payload content.
  • the portable electronic device may display the received content (e.g., “Banana”) on user interface 528 and provide an option to add another description.
  • user interface 528 can include an “Add Another” option for receiving additional user inputs associated with the payload contents.
  • the portable electronic device may indicate that certain content fields are required. It can also detect whether it has received all the required fields. For example, for a blood sample, the “LBCID” field, the “Chart ID” field, the “Priority” field, and the “Description” field may all be required fields. Referring to FIG. 5I , for example, after the portable electronic device detects that it has received all the required fields, it can display the received user inputs on user interface 532 . Similar to user interface 528 , user interface 532 also can provide an option to add additional user inputs associated with the payload contents.
  • the portable electronic device can display user interface 536 instructing the user to provide the destination location of the payload transport.
  • user interface 536 can display a message stating “Where is it going?”.
  • user interface 536 may provide a plurality of destination location selections such as available UAV stations. As illustrated in FIG. 5J , user interface 536 may provide a list of UAV stations including, for example, a “MCH Central Lab” station, a “MCH North” station, a “MCH East” station, and a “MCH Hamilton Pavilion” station.
  • user interface 536 can provide a plurality of destination location selections such as addresses (street names, city, state, etc.), business names (e.g., JW Marriott), or areas for transport (e.g., the central park area). Using user interface 536 , a user may select one of the destination locations.
  • addresses street names, city, state, etc.
  • business names e.g., JW Marriott
  • areas for transport e.g., the central park area
  • FIGS. 5K-5L illustrate exemplary user interfaces 542 and 544 , respectively, of an application for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 542 and 544 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • an application e.g., application 234
  • a portable electronic device e.g., portable electronic device 102
  • FIG. 5K in some embodiments, after the portable electronic device receives the user input of the payload contents (e.g., the description, the destination location, etc.), it also receives an identification of the payload to be transported.
  • the identification may be in the form of a barcode, a QR code, a near-field identification tag, etc., or a digital representation thereof.
  • the portable electronic device displays user interface 542 , which provides a message stating “Please scan chart ID” and provides a window for scanning a barcode.
  • the portable electronic device can use a scanner such as scanner 238 shown in FIG. 2B .
  • the portable electronic device determines whether the scanning is successful. For example, it can determine whether the scanned barcode is readable or useable. If the scanning is successful, the portable electronic device can display a confirmation (e.g., a check mark) indicating the identification of the payload is received.
  • the portable electronic device can transmit the identification to a UAV service (e.g., UAV service 120 ).
  • the identification of the payload can also be associated with the contents and destination location that the portable electronic device received.
  • the portable electronic device can further obtain a first identification of the payload container.
  • the first identification can be a barcode, a QR code, an electronic identification tag, a near field identification tag, or any type of identification, or a digital representation thereof.
  • the portable electronic device displays user interface 544 , which provides a message stating “Please scan Transport Container” and provides window for scanning a QR code.
  • the portable electronic device can use a scanner such as scanner 238 shown in FIG. 2B .
  • the portable electronic device can then determine whether the scanning is successful. For example, it can determine whether the scanned QR code is readable or useable.
  • the portable electronic device can display a confirmation (e.g., a check mark) indicating the identification of the payload is received.
  • the portable electronic device can transmit the first identification of the payload container (e.g., a digital representation of the scanned barcode of the payload container) to a UAV service (e.g., UAV service 120 ).
  • UAV service 120 may associate the identification of the payload with the first identification of the payload container.
  • the UAV service can determine the destination location of the payload container using the destination location associated with the identification of the payload.
  • FIGS. 5M-5Q illustrate exemplary user interfaces 546 , 552 , 556 , 560 , and 564 respectively, of an application for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 546 , 552 , 556 , 560 , and 564 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • the portable electronic device can provide both the identification of the payload and the first identification of the payload container to the UAV service. Based on the received identifications, the UAV service can determine that the particular payload container is associated with the particular payload.
  • the portable electronic device can display a message (e.g., “Load content into transport container”) on user interface 546 to instruct the user to place the particular payload to the particular payload container.
  • a message e.g., “Load content into transport
  • the portable electronic device can also display a message (e.g., “Place transport container into bay.”) to instruct the user to place the particular payload container into a UAV.
  • a message e.g., “Place transport container into bay.”
  • One or more UAVs may be available for transporting the payload; and the portable electronic device can provide the identities of the available UAVs to the user.
  • user interface 546 displays a message stating “M1-Brian or M1-Denis are ready to transport your 2 items,” as illustrated in FIG. 5M .
  • user interface 552 displays a message stating “M1-Brian is ready to transport your 2 items,” as illustrated in FIG. 5N .
  • the user can select a UAV and place the payload to be transported into the selected UAV (e.g., M1-Brian).
  • user interfaces 546 and 552 can also display other information such as the destination location (e.g., Miami Children's Hospital), the flight route identification (e.g., MCH-45AD3), and a message stating “Ready For Transport.”
  • the destination location e.g., Miami Children's Hospital
  • the flight route identification e.g., MCH-45AD3
  • a UAV service (e.g., UAV service 120 ) may determine that no UAV is available at the user's location for transporting the payload. Based on such determination, the UAV service can instruct a nearby UAV to fly to the user's location to pick up the payload. The UAV service can also notify the user's portable electronic device that a UAV is en route to pick up the payload to be transported. Correspondingly, referring to FIG. 5O , the user's portable electronic device can display user interface 556 to provide certain information associated with the incoming UAV for picking up the payload.
  • user interface 556 may display that for a scheduled UAV flight (e.g., Miami Children's Hospital, MCH-45AD3), a UAV (e.g. the UAV named Brian) is incoming for picking up the payload.
  • a UAV e.g. the UAV named Brian
  • User interface 556 can also provide the status of the incoming UAV (e.g., flight time 00:14:06, ETA 00:04:17).
  • a reader e.g., an RFID reader
  • the UAV service receives the second identification identifying the particular payload container from the UAV. Because the second identification corresponds to the first identification of the payload container to identify the same payload container, the UAV service can determine the destination location of the payload container using the first identification of the payload container. As a result, the UAV service can determine the destination location of the particular UAV based on the second identification transmitted by that UAV.
  • the UAV service can determine the UAV flight route and provide the flight route to the UAV. In some embodiments, the UAV service can also provide the UAV flight route to the user's portable electronic device. In some embodiments, the UAV service can provide an indication that the flight route has been transmitted to the particular UAV.
  • the user's portable electronic device can display one or more messages (e.g., “Ready For Takeoff” and “M1-Brian is ready to transport your 2 items”) on user interfaces 560 to confirm that the particular UAV (e.g., UAV named M1-Brian) is ready to takeoff.
  • user interface 560 can also provide a control switch to allow the user to initiate the flight of the UAV. For example, as illustrated in FIG. 5P , user interface 560 provides a control switch for turning on the propellers of the UAV.
  • the portable electronic device can communicate with directly or indirectly (e.g., through a UAV service) with the UAV to turn on the propellers of the UAV.
  • the portable electronic device can also display other information on user interface 560 .
  • Such information may include the flight destination location (e.g., Miami Children's Hospital), the flight route identification (e.g., MCH-45AD3), contents information of the payload (e.g., information of LBCID, Chart ID, Priority, etc.), the name of the user who sent the payload (e.g., Marisol Lopez), the time that the payload was sent (e.g., 2016-02-21, 3:30 PM), and the flight route details (e.g., from the MCH Central Lab station to the MCH North station).
  • the flight route identification e.g., MCH-45AD3
  • contents information of the payload e.g., information of LBCID, Chart ID, Priority, etc.
  • the name of the user who sent the payload e.g., Marisol Lopez
  • the time that the payload was sent e.g., 2016-02-21, 3:30 PM
  • the flight route details e.g., from the MCH Central Lab station to the MCH North station.
  • the user of the portable electronic device can review and/or confirm that the information is correct and accurate. Referring to FIG. 5Q , based on such review, the user can use one or more control switches to initiate the flight. For example, after the user's portable electronic device receives the user's input to turn on the propeller, the portable electronic device can display user interface 564 .
  • User interface 564 can indicate that the propellers of the UAV are turned on and provide a control button for initiating the flight (e.g., a “takeoff” button). For example, the user may touch or push the control button on user interface 564 to initiate the flight.
  • the portable electronic device can also display information associated with the flight on user interface 564 .
  • Such information may include the flight destination location (e.g., Miami Children's Hospital), the flight route identification (e.g., MCH-45AD3), contents information of the payload (e.g., information of LBCID, Chart ID, Priority, etc.), the name of the user who sent the payload (e.g., Marisol Lopez), the time that the payload was sent (e.g., 2016-02-21, 3:30 PM), and the flight route details (e.g., from the MCH Central Lab station to the MCH North station).
  • the flight route identification e.g., MCH-45AD3
  • contents information of the payload e.g., information of LBCID, Chart ID, Priority, etc.
  • the name of the user who sent the payload e.g., Marisol Lopez
  • the time that the payload was sent e.g., 2016-02-21, 3:30 PM
  • the flight route details e.g., from the MCH Central Lab station to the MCH North station.
  • FIGS. 5R-5U illustrate exemplary user interfaces 568 , 572 , 578 , and 582 respectively, of an application for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure.
  • User interfaces 568 , 572 , 578 , and 582 can be provided by an application (e.g., application 234 ) of a portable electronic device (e.g., portable electronic device 102 ) shown in FIG. 2B .
  • an application e.g., application 234
  • a portable electronic device e.g., portable electronic device 102
  • a user's portable electronic device can monitor the flight status of the UAV and/or the transporting status of the payload.
  • FIG. 1 illustrates the flight status of the UAV and/or the transporting status of the payload.
  • the portable electronic device displays a message on user interface 568 stating that the UAV is currently “En Route”.
  • the portable electronic device displays a message on user interface 572 stating, for example, that the UAV is currently “Landing.”
  • the portable electronic device displays a message on user interface 578 stating, for example, that the UAV has currently “Arrived.”
  • the portable electronic device displays a message on user interface 582 stating, for example, that the payload has been “Received.”
  • the portable electronic device can also display information associated with the flight on user interfaces 568 , 572 , 578 , and 582 .
  • Such information may include, for example, the flight destination location (e.g., Miami Children's Hospital), the flight route identification (e.g., MCH-45AD3), contents information of the payload (e.g., information of LBCID, Chart ID, Priority, etc.), the name of the user who sent the payload (e.g., Marisol Lopez), the time that the payload was sent (e.g., 2016-02-21, 3:30 PM), and the flight route details (e.g., from the MCH Central Lab station to the MCH North station).
  • the flight route identification e.g., MCH-45AD3
  • contents information of the payload e.g., information of LBCID, Chart ID, Priority, etc.
  • the name of the user who sent the payload e.g., Marisol Lopez
  • the time that the payload was sent e.g.,
  • user interface 582 can also provide information associated with the receiving of the payload. For example, as illustrated in FIG. 5U , user interface 582 may provide the name of the person signed or scanned the received payload (e.g., Dan Henry), and the day and time the payload is received (e.g., 2016-02-21, 3:48 PM).
  • the name of the person signed or scanned the received payload e.g., Dan Henry
  • the day and time the payload is received e.g., 2016-02-21, 3:48 PM.
  • FIG. 5V illustrates a flow chart of an exemplary process 590 for facilitating a payload transportation using a UAV, consistent with some embodiments of the present disclosure. Some features of the process 590 are illustrated in FIGS. 1, 2A-2C, and 5A-5U and accompanying descriptions.
  • the process 590 is performed by a portable electronic device (e.g., portable electronic device 102 in FIGS. 1 and 2B ).
  • a portable electronic device e.g., portable electronic device 102 in FIGS. 1 and 2B having one or more processors and memory obtains (step 592 ) an identification of the payload to be transported.
  • the identification of the payload is associated with a destination location of the payload.
  • the portable electronic device provides (step 594 ) the identification of the payload to a UAV service.
  • the portable electronic device further obtains (step 596 ) a first identification of a container for housing the payload.
  • the first identification is accessible on an external surface of the container and is scannable.
  • the portable electronic device provides (step 598 ) the first identification to the UAV service.
  • the UAV service determines the flight route and transmits the flight route information to the UAV.
  • the UAV service also transmits the flight route information to the portable electronic device.
  • the UAV service transmits an indication to the portable electronic device indicating that the flight route has been transmitted to the UAV.
  • the portable electronic device After receiving the flight route or the indication, the portable electronic device provides (step 599 ) one or more instructions to a selected UAV for transporting the payload based on a UAV flight route.
  • the UAV flight route is generated based on the identification of the payload; and the UAV is selected based on the first identification and a second identification.
  • the second identification is associated with the first identification for identifying the container.
  • FIG. 5V is merely illustrative of a method for facilitating payload transportation using a UAV.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings.
  • a transporter e.g., a delivery truck driver
  • UAVs Universal Mobile Vehicle
  • the transporter can thus delivery more payloads to their destinations faster and more cost-effective.
  • the application can also prioritize the transportation of payloads for the transporter.
  • the transporter can conveniently monitor the status of transportation from his or her portable electronic device.
  • the transporter can also receive confirmation of transportation remotely without having to interact with the payload receiver.
  • FIG. 6A illustrates an exemplary UAV 130 and an exemplary UAV station 140 , consistent with some embodiments of the present disclosure.
  • UAV 130 can include a body 602 , one or more propellers 606 , a main power supply 608 , a payload container 610 , a flight control system 620 , and a flight termination system 630 .
  • UAV station 140 can include a landing platform 144 and an exchange station 146 .
  • a landing platform facilitates landing and launching of UAV 130 .
  • An exchange station 146 receives a payload, a payload container, or a battery from UAV 130 ; loads a payload, a payload container, or a battery to UAV 130 , or exchanges a payload, a payload container, or a battery with UAV 130 .
  • body 602 may optionally comprise a carrying space 604 .
  • UAV 130 can launch from and/or land on landing platform 144 for releasing/loading/exchanging payload container 610 and/or main power supply 608 (e.g., a battery) with exchange station 146 .
  • UAV 130 can align with a payload receiving structure of landing platform 144 for exchanging the payload container 610 and/or main power supply 608 .
  • UAV 130 can also release the payload to landing platform 144 without exchanging payload container 610 and/or main power supply 608 .
  • landing platform 144 can include a latch mechanism to latch or lock UAV 130 such that UAV 130 can dock on landing platform 144 to prevent undesired movements or drifting.
  • body 602 can include a carrying space 604 that may extend to the bottom of UAV 130 .
  • Carrying space 604 may be at least partially enclosed by body 602 .
  • Carrying space 604 of UAV 130 can accommodate a payload container 610 and optionally main power supply 608 .
  • carrying space 604 may have a rectangular shape, or any other shape, corresponding to a similarly shaped payload container 610 .
  • carrying space 604 may not be partially enclosed by body 602 , and body 602 may not have the vertical portions as shown in FIG. 6A .
  • carrying space 604 may comprise an open space underneath body 602 such that a payload container can have any dimensions.
  • the payload container can be releasably mounted at the bottom of UAV 130 and extends beyond the edges of body 602 .
  • payload container 610 may have dimensions (length, width, and thickness) corresponding to the payload receiving structure of landing platform 144 , such that payload container 610 may pass through the payload receiving structure of landing platform 144 .
  • UAV 130 lands on landing platform 144 and aligns with the payload receiving structure of landing platform 144 , it may release payload container 610 to allow payload container 610 to transfer through a center opening of landing platform 144 to the interior of exchange station 146 .
  • exchange station 146 can receive the payload container 610 through the center opening of landing platform 144 .
  • exchange station 146 can further load another payload container to UAV 130 for the next transportation.
  • the payload receiving structure of landing platform 144 may be part of exchange station 146 (e.g., a designated area of the rooftop of a consumer's vehicle), and may not have a center opening. As such, payload container 610 may be transferred to the exterior of exchange station 146 (e.g., the designated area of the rooftop of exchange station 146 ).
  • the components of UAV 130 are further described in detail below.
  • FIG. 6B illustrates an exploded view of UAV 130 , consistent with some embodiments of the present disclosure.
  • UAV 130 includes a body 602 and a carrying space 604 .
  • body 602 can be formed using metal, plastic, alloy, or any other suitable materials.
  • body 602 may include aluminum alloy material such that UAV 130 has a reduced overall weight while still possess sufficient strength or hardness for protecting the electronic systems inside body 602 and payload container 610 .
  • carrying space 604 can accommodate payload container 610 .
  • carrying space 604 can also accommodate main power supply 608 .
  • carrying space 604 can form an opening from the top surface of UAV 130 to the bottom surface of UAV 130 (e.g., a single through hole or a hole with covered top surface).
  • payload container 610 may be placed toward the bottom of UAV 130 and main power supply 608 may be placed on top of payload container 610 .
  • one or both payload container 610 and main power supply 608 e.g., a battery
  • main power supply 608 e.g., a battery
  • UAV 130 can release payload container 610 to exchange station 146 to transport the payload housed in payload container 610 .
  • UAV 130 can detect and determine whether main power supply 608 has sufficient battery power. If UAV 130 determines that the main power supply 608 has insufficient battery power for the next flight or other requires replacement, it may also release main power supply 608 to, for example, exchange station 146 .
  • payload container 610 may be released before main power supply 608 (e.g., a battery) is released.
  • payload container 610 and main power supply 608 may be release together as one unit.
  • payload container 610 and main power supply 608 may be disposed side-by-side horizontally, and be release together from the bottom of UAV 130 .
  • exchange station 146 can dispose a replacement battery into carrying space 604 of UAV 130 before it dispose another payload container.
  • main power supply 608 and payload container 610 can be placed in any spatial relationship.
  • both main power supply 608 and payload container 610 can be placed vertically or horizontally occupying a substantial portion of the vertical or horizontal dimension of carrying space 604 .
  • main power supply 608 and payload container 610 can be replaced in any desired order.
  • carrying space 604 can form any shape, form one single space or multiple spaces, or be arranged in any manner that is suitable to carry and release payload container 610 and/or main power supply 608 .
  • body 602 can include holding and releasing mechanisms, such as protrusions, cavities, connectors, latches, switches, or hinges, for holding and releasing main power supply 608 and payload container 610 .
  • the inner surface of body 602 may include movable or retractable protrusions.
  • the movement of the protrusions can be enabled by mechanical or electrical sensors and switches. For example, if a sensor senses the insertion or placement of one or both of main power supply 608 and payload container 610 , one or more of the protrusions may be asserted or pushed out from the inner surface of body 602 to hold and/or lock the main power supply 608 and/or payload container 610 in place. If a sensor senses a signal for releasing the payload container 610 and/or main power supply 608 , one or more of the protrusions may be retracted.
  • Main power supply 608 can be a Lithium ion battery, a Lithium iron phosphate (LeFePO4) battery, a Lithium polymer (LiPo) battery, a Lithium Titanate battery, Lithium Cobalt Oxide, or any other type of batteries.
  • main power supply 608 can include a battery interface (e.g., a battery connector) for exchanging batteries.
  • a battery interface e.g., a battery connector
  • main power supply 608 when main power supply 608 is placed or inserted in carrying space 604 , it can be electrically coupled to provide electrical power to the electronic systems (e.g., flight control system 620 and flight termination system 630 ) of UAV 130 through the battery interface.
  • the battery interface can also allow main power supply 608 to be removed or released from UAV 130 such that it can be replaced.
  • UAV 130 can detect that main power supply 608 needs to be replaced and therefore release main power supply 608 .
  • payload container 610 can include a housing and a cover for substantially enclosing a payload. Payload container 610 can prevent or reduce the likelihood of shock/drop/impact-, water-, dust-, and/or chemical-damage of the enclosed payload. In some embodiments, payload container 610 can be substantially waterproof or water resistant.
  • the material of payload container 610 can include metal, alloy, stainless steels, nylons, hard plastics, iron, aluminum, lead, rubber, and/or any other desired materials.
  • the housing and the cover of payload container 610 can have similar length and width dimensions such that they can be snuggly coupled with each other.
  • the housing and the cover can be hingedly, rotatably, movably, permanently, detachably, and/or latchably coupled or engaged with each other.
  • one or both of the housing and the cover can include a seal strip configured to provide additional water-sealing or water-resistance capability.
  • the housing or the cover may include a groove. The seal strip can be disposed inside the groove.
  • the seal strip and its surrounding structures can provide protection of the enclosed payload from damaged by water, shock, dust, oil, mud, snow, vibration, spill, drop, impact, heat, frost, acid, chemical, corrosion, rain, sand, and/or other forms of intrusion.
  • the material of the seal strip can include silicone, rubber, thermoforming plastics, polyvinylchoride materials, polycarbonate, polyethylene terephthalate (PET), poly methyl methacrylate acrylic (PMMA), adhesive tape, and/or any material having similar characteristics.
  • the seal strip may be formed, for example, by a molding processing.
  • one or both of the housing and the cover of payload container 610 can include internally disposed cushion elements.
  • the cushion elements may be filled with air, gas, cottons, soft materials, or any other force or stress absorption materials.
  • the cushion elements can provide the payload enclosed in payload container with additional protection against physical impact, force, impact, stress, shock, collision, etc.
  • payload container 610 can include one or more identifications for identifying the payload container.
  • payload container 610 can include a first identification accessible on an external surface of payload container 610 .
  • the first identification can be a barcode, a QR code, a scannable/readable tag, or a near-filed communication tag (e.g., a RFID tag), or a digital representation thereof.
  • a portable electronic device can scan or read the first identification (e.g., a barcode disposed on an external surface of payload container 610 ).
  • the first identification can be different for different payload containers. As a result, each payload container can have a unique first identification.
  • the payload container can be identified, monitored, or tracked using this first identification.
  • Uniquely identifying a payload container can be helpful to track or monitor the transportation status of the payload enclosed in the payload container.
  • a first identification e.g., a barcode
  • the first identification can be associated with information of the payload such as the contents, the weight, the destination location, the sender of the payload, the receiver of the payload, etc.
  • the first identification can be transmitted to a UAV service. Based on the first identification of payload container 610 , the UAV service can associate payload container 610 with the payload enclosed therein.
  • the first identification can also be associated with information generated by the portable electronic device that scans the barcode. For example, after scanning/reading of the first identification, the portable electronic device can generate information such as the location and the day/time of the scanning/reading, the user who scanned/read the first identification, etc. The information can also be associated with the first identification of payload container 610 to enable tracking or monitoring of payload container 610 .
  • payload container 610 can include a second identification identifying payload container 610 .
  • the second identification can be a barcode, a QR code, or a scannable/readable tag, or a near-filed communication tag (e.g., an RFID tag), or a digital representation thereof.
  • the second identification can correspond to the first identification to identify payload container 610 .
  • the second identification can be different in form or type from the first identification, but can also uniquely identify payload container 610 .
  • the second identification can be an RFID tag that is readable by an RFID reader of UAV 130 .
  • UAV 130 can also transmit the second identification to a UAV service. Using the second identification, the UAV service associates a particular UAV 130 with payload container 610 . The UAV service can thus provide a flight route for transporting the payload enclosed in payload container 610 to the particular UAV 130 .
  • payload container 610 may include only one identification for identifying payload container 610 .
  • payload container 610 may include only an RFID tag, which can be read by a user's portable electronic device and by UAV 130 . After the user's portable electronic device obtains the RFID tag of payload container 610 and obtains the identification of the enclosed payloads, it can transmit the RFID tag to a UAV service. The UAV service can thus associate the payload with the payload container 610 . Moreover, after UAV 130 reads the RFID tag of payload container 610 , it can also transmit the RFID tag to the UAV service. The UAV service can thus associate payload container 610 with UAV 130 and provide the flight route to UAV 130 for transporting payload container 610 . Thus, in some embodiments, if the user's portable electronic device and the RAV can read or obtain the same type of identification (e.g., an RFID tag), only one identification may be used for payload container 610 .
  • the user's portable electronic device and the RAV can read or
  • UAV 130 can include one or more propellers 606 .
  • UAV 130 can include four propellers 606 surrounding body 602 (e.g., a quadrotor helicopter).
  • Propellers 606 enable UAV 130 to operate in the air and fly from one location to another.
  • Propellers 606 may be substantially similar to those described in U.S. patent application Ser. No. 13/890,165 filed on May 8, 2013, entitled “Transportation Using Network of Unmanned Aerial Vehicles” (now U.S. Pat. No. 9,384,668), the content of which is incorporated by reference in its entirety for all purposes.
  • UAV 130 may also include a flight control system 620 .
  • flight control system 620 can include electronic control systems and sensors for flying and navigating the UAV.
  • flight control system 620 can provide control for aerial flight of the UAV by changing flight dynamics (e.g., yaw, pitch, and roll), the lift generated, the angle of attack, velocity, or any other flight characteristics.
  • Flight control system 620 can also provide stability control of the UAV.
  • Flight control system 620 can also communicate with, for example, satellites, a UAV service, portable electronic devices, and other UAVs. Further, flight control system 620 can include navigation systems to navigate between geo-locations.
  • Sensors of the UAV can include, for example, infrared cameras, lidars, inertial measurement units (IMU), accelerometers, gyroscopes, inertial navigation systems, gravity sensors, external speed sensors, pressure sensors, gravity sensors, external speed sensors, altitude sensors, barometric systems, magnetometer or other sensors.
  • Flight control system 620 may be substantially similar to the electronic control systems and sensors described in U.S. patent application Ser. No. 13/890,165 filed on May 8, 2013, entitled “Transportation Using Network of Unmanned Aerial Vehicles” (now U.S. Pat. No. 9,384,668), the content of which is incorporated by reference in its entirety for all purposes.
  • flight control system 620 can also include a landing system (e.g., UAV landing system 800 shown in FIG. 8A ).
  • the landing system is capable of perform precision landing on a landing platform or on any other locations. The landing system is described in detail below with FIGS. 8A-8C .
  • UAV 130 can include flight termination system 630 .
  • Flight termination system 630 can include a controller, a battery manager, a power supply, an emergency landing system, and one or more sensors. Flight termination system 630 can detect whether one or more conditions for triggering termination of a flight are satisfied. For example, flight termination system 630 can detect a mid-air collision, a sudden change of weather conditions that prevents the UAV from completing the current flight, a mechanical/electrical failure of the UAV, a main power supply failure such as a battery failure, whether the remaining battery power is insufficient for supporting the remaining flight, non-responsive of the autopilot system and/or the flight control system (e.g., flight control system 620 shown in FIGS. 6A-6B ).
  • flight control system e.g., flight control system 620 shown in FIGS. 6A-6B .
  • Flight termination system 630 can also detect a decent rate greater than a threshold value (e.g., 5 m/s), and a pitch or bank angle greater than a threshold value (e.g., 60 degrees). Flight termination system 630 can also communicate with the autopilot system and/or the flight control system, which can detect a violation of flight envelop (e.g., Geofence), or a disparity between barometric and GPS-derived altitude above ground level. If one or more of these conditions are satisfied, flight termination system 630 may engage the emergency landing system to search for and/or land the UAV immediately at a nearby UAV station or location.
  • a threshold value e.g., 5 m/s
  • a pitch or bank angle greater than a threshold value e.g. 60 degrees.
  • Flight termination system 630 can also communicate with the autopilot system and/or the flight control system, which can detect a violation of flight envelop (e.g., Geofence), or a disparity between barometric and GPS-derived altitude above
  • flight termination system 630 may cut power to the motors or rotors of the UAV, retain power to the avionics, and/or deploy a parachute for immediate landing of the UAV near its current location. Flight termination system 630 is described in more detail below with FIGS. 9A-9D .
  • the UAV mounts (step 658 ) the payload container to the body of the UAV.
  • the UAV receives (step 660 ) instructions for transporting the payload container to a destination; and transports (step 662 ) the payload container to the destination according to the instructions.
  • FIG. 6C is merely illustrative of a method for transporting a payload using a UAV.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings
  • UAV 130 as described above can provide flexibility for exchanging payload containers and/or batteries. As a result, the UAV can be better utilized to transport more payloads in an efficient manner. Moreover, UAV 130 can also autonomously navigate and transport payload with reduced or eliminated human intervention. UAV 130 can also intelligently handle or process emergency situations such that the payload can be protected under the emergency situations. Moreover, UAV 130 can communicate directly or indirectly with other UAVs, with the users' portable electronic devices, and/or with a UAV service. As a result, it enables the monitor, tracking, and intervention if the user desires.
  • FIG. 7A illustrates a perspective view of an exemplary landing platform 144 , consistent with some embodiments of the present disclosure.
  • the material of landing platform 144 can include metal, alloy, stainless steels, nylons, hard plastics, iron, aluminum, lead, rubber, and/or any other desired materials.
  • landing platform 144 can also include various structures for assisting alignment of a landed UAV. Alignment of a landed UAV may be required because the UAV may land on any area of landing platform 144 . As a result, the landed UAV may not be aligned with a payload receiving structure of landing platform 144 . For example, the landed UAV may not be aligned with the center opening area where landing platform 144 can receive the payload container.
  • one or more mechanisms for assisting the alignment of a landed UAV with a payload receiving structure of landing platform 144 may include surface materials or coatings for aligning the landed UAV, surface textures, guiding rails, actuators, air-actuated or liquid-actuated mechanisms, or any other type of alignment systems.
  • landing platform 144 can include a surface costing for reducing the friction between landing platform 144 and the landed UAV, such that the landed UAV can move and align with the payload receiving structure under the force of gravity. The alignment of a landed UAV on the surface of landing platform 144 is described in more detail below with FIGS. 7C-7D .
  • landing platform 144 can be a disc-shaped platform for providing a surface for landing one or more UAVs.
  • landing platform 144 can include one or more openings, housings, compartments, or structures for receiving payload containers.
  • landing platform 144 can include a center opening having dimensions corresponding to the dimensions of a payload container.
  • landing platform 144 can receive the payload container in the center opening.
  • the center opening can be formed such that its vertical height/thickness is different than the vertical height/thickness of edge of landing platform 144 .
  • the height of the center opening may be slightly less than the height of the edge of landing platform 144 .
  • a landed UAV can move toward the center of landing platform 144 under the force of gravity.
  • the center opening can also have any desired shape, dimension, formation, material, coating for alignment of a landed UAV and for receiving a payload container.
  • one or more openings for receiving payload containers may be disposed at any areas of landing platform 144 other than the center area.
  • FIG. 7B illustrates a perspective view of an exemplary landing platform 144 and a landing UAV 130 , consistent with some embodiments of the present disclosure.
  • landing platform 144 can have a dimension that is sufficiently large for landing or parking two or more UAVs.
  • landing platform 144 can have a 120 centimeter diameter. As a result, the area of landing platform 144 can park two landed UAVs.
  • UAV 130 may be required to land on landing platform 144 , which can be attached to or integrated with the exchange station. Failure to land on landing platform 144 may result in failure to transport the payload.
  • UAV 130 to land on landing platform 144 UAV 130 can include a landing system.
  • the landing system of UAV 130 can include one or more of a magnetic heading based landing subsystem, an infrared light based landing subsystem, a global positioning system (GPS)/Real Time Kinematic (RTK) based landing subsystem, and an optical based landing subsystem.
  • GPS global positioning system
  • RTK Real Time Kinematic
  • the landing system of UAV 130 can operate to coordinate with corresponding subsystems or components of a landing system of landing platform 144 to assist the landing of UAV 130 onto landing platform 144 .
  • the landing systems of UAV 130 and landing platform 144 are described in more detail below with FIGS. 8A-8C .
  • landing platform 144 can be electrically powered by a battery, an AC or DC power supply, a solar panel power supply, or any other type of power supplies.
  • landing platform 144 can be electrically coupled to a power supply of an exchange station (e.g., exchange station 146 of FIG. 2A ) to receive electrical power.
  • an exchange station e.g., exchange station 146 of FIG. 2A
  • landing platform 144 can be powered by a battery that is charged by a solar panel.
  • UAV 130 may be interfered from landing on landing platform 144 due to various reasons.
  • landing platform 144 may have an object (e.g., a leaf, a bird, a cat, dirt, water, etc.) disposed on top of it. The object may likely prevent UAV 130 from landing on landing platform 144 .
  • landing platform 144 can include an automated shield or cover (not shown) for protecting its top surface and for enabling landing of UAV 130 .
  • landing platform 144 may include a circular-shaped shield capable of covering the entire or a substantial portion of the top surface of landing platform 144 . If no UAV is approaching or landing, the shield can remain closed or cover landing platform 144 .
  • the landing system of landing platform 144 can detect the landing and send a signal to a controller of the shield.
  • the controller of the shield may activate a motor or send an alert to open the shield (e.g., slide the shield away, flip the shield up, alert a user, etc.)
  • the shield can be partitioned to multiple slices and each slice can be operated separately. As a result, for example, if the landing system detects that one UAV is landing, it can send a signal to the controller to open some slices of the shield depending on the predicted landing area of the UAV. If the landing system detects that two UAVs are landing, it can send a signal to the controller to open all slices of the shield.
  • FIG. 7C illustrates a perspective view of an exemplary landing platform 144 and a landed UAV 130 , consistent with some embodiments of the present disclosure.
  • UAV 130 can land on landing platform 144 .
  • UAV 130 can land on the payload receiving structure of landing platform 144 (e.g., the center opening area) such that the payload container carried by UAV 130 can be directly released.
  • UAV 130 may not land on such area or structure each time. For example, in average, UAV 130 may land about 20 centimeters from the center opening area of landing platform 144 .
  • alignment or repositioning of UAV 130 may be required to transport the payload container that UAV 130 carries.
  • landing platform 144 can include one or more mechanisms for assisting the alignment or repositioning of a landed UAV.
  • mechanisms for assisting the alignment of a landed UAV can include, for example, surface materials or coatings for aligning the landed UAV, surface textures, guiding rails, air-assisted or liquid-assisted alignment mechanisms, actuators, or any other type of alignment systems.
  • a material having a low coefficient of friction or surface costing for reducing the friction between landing platform 144 and the landed UAV can be used to enhance the movement of landed UAV 130 .
  • Such materials or coatings include, for example, graphite, PTFE (Teflon), glass, diamond-like-carbon (DLC) and diamond.
  • DLC diamond-like-carbon
  • UAV 130 can move and align under the force of gravity.
  • landing platform 144 can include surface textures or guiding rails to assist the alignment or repositioning of a landed UAV.
  • landing platform 144 can include guiding rails arranged in a radial or spokewise structure.
  • the guiding rails may have gaps or spaces between them.
  • the dimensions of the guiding rails and the spaces can be configured to guide the landed UAV 130 to the payload receiving structure for releasing the payload container and/or for reducing the movement of landed UAV 130 in other directions.
  • the guiding rails can have widths that correspond to the landing gears or landing portions of the body of UAV 130 .
  • the guiding rails can enhance the moving of UAV 130 toward the payload receiving structure for releasing the payload container (e.g., the center opening area).
  • the spaces or gaps between the guiding rails can prevent or reduce the likelihood that UAV 130 moves in an undesired direction.
  • the gaps between guiding rails may reduce the likelihood that landed UAV 130 moves in a perpendicular-to-the-longitudinal direction of the guiding rail.
  • landing platform 144 can include gas assisted or liquid assisted mechanisms for aligning or repositioning of landed UAV 130 .
  • landing platform 144 can include a pump, an air intake, a plurality of air pipes/ducts/tubes/grooves, and one or more sensors.
  • the sensors of the landing systems can detect the landing of UAV 130 by, for example, sensing the weight change or receiving one or more signals indicating UAV 130 is landing or has landed.
  • Such signals can be provided by a controller of the landing system of landing platform 144 .
  • the sensors After the sensors detect the landing of UAV 130 , they can provide one or more signals to initiate the pump to enable air or other gas to flow in a desired direction. For example, in FIG.
  • landing platform 144 can also include a liquid assisted mechanism for aligning or repositioning of landed UAV 130 .
  • the liquid assisted alignment mechanism of landing platform 144 can include a pump, a liquid intake or a liquid circulation system, a plurality of pipes/ducts/tubes/grooves, and one or more sensors. Similar to the air assisted mechanism, after the sensors detect and indicate that UAV 130 is landing or has landed, the controller of the landing system of landing platform 144 can provide a signal to initiate the liquid assisted alignment mechanism.
  • the pump can start to flow the liquid in the desired direction (e.g., toward the center opening of landing platform 144 ).
  • the liquid flows only on the surface of land platform 144 , and therefore does not affect the electrical systems inside landing platform 144 . Flowing the liquid can reduce the friction between the landed UAV 130 and the surface of land platform 144 .
  • the liquid assisted alignment mechanism includes a close-loop liquid circulation system such that the liquid are collected and circulated in the system.
  • FIG. 7D illustrates a perspective view of an exemplary landing platform 144 and a landed UAV 130 that is aligned with a payload receiving structure, consistent with some embodiments of the present disclosure.
  • a mechanism for aligning or repositioning a landed UAV may include one or more actuators.
  • UAV 130 may land in any area of landing platform 144 . Further, UAV 130 may also land in any directions. For example, the landing gears or landing portions of UAV 130 may be parallel to the guiding rails or perpendicular to the guiding rails.
  • UAV 130 may carry heavy payloads.
  • previously described mechanisms e.g., using surface coatings, guide rails, air-assisted alignments
  • additional external forces may be required.
  • landing platform 144 can include one or more actuators that can apply external forces to landed UAV 130 .
  • An actuator is a mechanism or system that is moved or controlled by a motor (not shown).
  • the motor can be included in landing platform 144 or be a separate component (e.g., a component included in an exchange station such as a transporting vehicle).
  • the motor can operate using various types of power sources such as electric current, hydraulic fluid pressure, or pneumatic pressure.
  • the motor can convert the energy supplied by such power sources to the motion of the actuator.
  • the motion of the actuator may include, for example, a linear motion (e.g., movement along a line), a circular motion, a back-and-forth motion, or any other desired motion.
  • one or more actuators 740 can be disposed in landing platform 144 .
  • four actuators 740 can be disposed symmetrically with a 90 degree angle between the adjacent two actuators.
  • at least one of the four actuators can apply external force on a landed UAV 130 no matter where UAV 130 lands on landing platform 144 .
  • Such force may move landed UAV 130 toward a payload receiving structure (e.g., the center opening area).
  • the actuators 740 can be configured to perform one or more types of motions.
  • the actuators 740 may perform a linear motion to move the landed UAV 130 toward the center opening, and then perform a circular motion to turn landed UAV 130 to better align with the center opening for releasing the payload container. It is appreciated that any number of actuators may be disposed in any desired manner in landing platform 144 ; and that the actuators may be configured to perform any types of motions for aligning and/or repositioning of a landed UAV.
  • FIGS. 7E-7K illustrates prospective views of an exemplary landing platform fence 750 .
  • landing platform fence 750 can be a visible fence or an invisible fence.
  • a visible fence can be, for example, a physical fence or a laser fence emitting visible laser light.
  • An invisible fence can be a fence emitting invisible light, acoustic signals, and/or radio signals.
  • landing platform 144 and/or landing platform fence 750 can include a mechanism to detect objects passing landing platform fence 750 . Based on the detection, landing platform 144 can communicate with UAV 130 to take proper actions.
  • the landing platform fence 750 can have continuous laser light surrounding the perimeter of landing platform 144 , as illustrated in FIG. 7I .
  • the laser light may not be continuous and may form a plurality of beams. The directions of the plurality of beams may be substantially parallel or may be overlapping.
  • landing platform fence 750 can be a laser light mesh surrounding the perimeter of landing platform 144 .
  • Landing platform fence 750 can include laser light sources such as gas lasers, chemical lasers, excimer lasers, solid-state lasers, fiber lasers, photonic crystal lasers, semiconductor lasers, dye lasers, free-electron lasers, and/or any other type of lasers.
  • the power of the laser light source can be configured such that it does not hurt or damage the intruding object such as a human user.
  • one or more sensors can detect that an object 752 (e.g., a user) is currently intruding landing platform fence 750 . Such a determination can be based on the detection that the light emitted by the laser source is interrupted, disturbed, altered, etc. Upon such determination, the sensors can provide one or more signals to landing platform 144 , indicating that landing platform fence 750 is currently being intruded. Based on the received signals, landing platform 144 can communicate with UAV 130 to take proper actions. For example, based on the communication from landing platform 144 indicating that the landing platform fence 750 is currently being intruded, UAV 130 can disable the propellers to prevent it from taking off.
  • an object 752 e.g., a user
  • the sensors can provide one or more signals to landing platform 144 , indicating that landing platform fence 750 is currently being intruded.
  • landing platform 144 can communicate with UAV 130 to take proper actions. For example, based on the communication from landing platform 144 indicating that the landing platform fence 750
  • landing platform 144 and/or UAV 130 can also communicate directly or indirectly (e.g., through UAV service 120 ) with the user's portable electronic device to disable the control switch (e.g., control switch shown on user interface 346 of FIG. 3N ) on a user interface for turning on the propellers.
  • landing platform fence 750 can provide safety measures to the user of UAV 130 (e.g., an operator or transporter who is manipulating UAV 130 ) and/or to UAV 130 .
  • one or more sensors may continue to detect an on-going intrusion and continue to provide signals for preventing a landed UAV from taking off or preventing an approaching UAV from landing.
  • the one or more sensors can continuously, repeatedly, or periodically monitor the intrusion of landing platform fence 750 and send signals to landing platform 144 , which can communicate with UAV 130 to take proper actions.
  • one or more sensors may provide one or more signals to landing platform 144 , indicating that landing platform fence 750 is clear and free of intrusion. Such signals may be provided immediately after landing platform fence 750 becomes clear or after it becomes clear for a preconfigured period of time (e.g., 1 minute). Based on the received signals, landing platform 144 can communicate with UAV 130 to take proper actions. As an example, based on the communication from landing platform 144 indicating that the landing platform fence 750 is clear, UAV 130 can enable the propellers for preparing to taking off.
  • landing platform 144 and/or UAV 130 can also communicate directly or indirectly (e.g., through UAV service 120 ) with the user's portable electronic device to enable the control switch (e.g., control switch shown on user interface 346 of FIG. 3N ) on a user interface for turning on the propellers.
  • control switch e.g., control switch shown on user interface 346 of FIG. 3N
  • a landed UAV can take off.
  • landing platform 144 can also communicate with an approaching or landing UAV to indicate that landing platform 144 is clear for landing.
  • a UAV landing system e.g., UAV landing system 800 shown in FIG. 8A
  • an LP landing system e.g., LP landing system 820 shown in FIG. 8A
  • the landing systems are described in more detail below with FIGS. 8A-8D .
  • landing platform 144 can include a UAV alert system 756 for alerting that a UAV is approaching, landing or taking off.
  • UAV alert system 756 can include a plurality of light sources that are configured or controlled to flash during the landing or taking off of a UAV. Such light sources may be the same or different from light sources for establishing landing platform fence 750 .
  • the light source for establishing landing platform fence 750 can be a laser light source.
  • the light source of UAV alerting system 756 can be LED lights.
  • the light sources of UAV alert system 756 can be disposed along the edge of landing platform 144 . It is appreciated that the light sources of UAV alert system 756 can be disposed at any portion that is internal or external to landing platform 144 .
  • UAV alert system 756 can include one or more acoustic sources that are configured or controlled to transmit an acoustic wave (e.g., a siren) during the landing or taking off of a UAV.
  • the acoustic sources are disposed along the edge of landing platform 144 such that the acoustic wave emitted can be received or detected from all directions. It is appreciated that the acoustic sources of UAV alerting system 756 can be disposed at any portion that is internal or external to landing platform 144 .
  • one or more sensors for detecting the intrusion of landing platform fence 750 can also detect intrusions during the installation, placement, or positioning of landing platform 144 .
  • landing platform 144 may be mounted on or integrated with an exchange station (e.g., a transportation truck). The exchange station may move around a neighborhood and may stop or park at any location. Based on landing platform fence 750 , landing platform 144 can determine whether such location is acceptable for UAV landing or taking off.
  • one or more sensors may detect that landing platform fence 750 is intruded by an object 758 , such as a tree or a portion of it.
  • the sensors may provide one or more signals to landing platform 144 , indicating that landing platform fence 750 is intruded or otherwise not clear for landing. Based on such indication, landing platform 144 can alert and/or communicate with the user's portable electronic device to indicate that the current location is not acceptable or not approved for positioning landing platform 144 . As a result, the user can move the landing platform 144 to select a better location. In some embodiments, if the current location is not approved for positioning landing platform 144 , the control switch for taking off on the user interface of the user's portable electronic device can be disabled. Similarly, if the current location is not approved, landing platform 144 may not coordinate with an approaching or landing UAV for landing.
  • landing platform 144 may provide one or more signals to indicate that the current location is approved. As a result, the control switch for taking off on the user interface of the user's portable electronic device can be enabled. Similarly, if the current location is approved, landing platform 144 may coordinate with an approaching or landing UAV for landing.
  • each landing platform can be identified by a unique infrared flash code.
  • each landing platform can broadcast its unique infrared flash code to enable the approaching UAV to land on the correct landing platform.
  • landing platform 144 can include one or more infrared light emitting diodes (LEDs) (not shown) for transmitting the infrared flash code.
  • the infrared LEDs can transmit invisible infrared lights. These infrared lights may flash rapidly (e.g., 38,000 times a second).
  • the infrared LEDs can be configured to change the amount of time between each flash, thereby forming a plurality of bits.
  • the plurality of bits can form a code.
  • Each landing platform 144 can be configured to instruct its infrared LEDs to broadcast a unique code (e.g., code 760 as illustrated in FIG. 7L ). As a result, landing platform 144 can be identified by an infrared reader or receiver of UAV 130 based on the unique code.
  • a unique code e.g., code 760 as illustrated in FIG. 7L .
  • FIG. 7M illustrates a flow chart of an exemplary process 780 for receiving a payload container from a UAV at a landing platform, consistent with some embodiments of the present disclosure. Some features of the process 780 are illustrated in FIGS. 1, 2A-2C, and 7A-7D and accompanying descriptions. In some embodiments, the process 780 is performed by a landing platform (e.g., landing platform 144 in FIGS. 1, 2A, and 7A-7D ).
  • a landing platform e.g., landing platform 144 in FIGS. 1, 2A, and 7A-7D .
  • one or more landing subsystems of a landing platform coordinate (step 782 ) with the UAV for landing.
  • One or more sensors of the landing platform can detect (step 784 ) whether the UAV has landed on the landing platform. After the sensors detect that the UAV has landed, they may provide one or more signals to activate or trigger one or more actuators.
  • the actuators can align (step 786 ) the landed UAV with a payload receiving structure (e.g., a center opening) of the landing platform for receiving a payload container carried by the UAV.
  • the landing platform receives (step 788 ) the payload container carried by the UAV.
  • the payload receiving structure has dimensions corresponding to the dimensions of the payload container associated with the UAV.
  • FIG. 7M is merely illustrative of a method for receiving a payload container from a UAV at a landing platform.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings.
  • Landing platform 144 as described above can provide a standardized platform or improved platform for landing and parking of the UAV and for transporting the payloads. Landing platform 144 can also coordinate with a UAV to provide precision landing of the UAV to enhance the likelihood that the UAV can interact with an exchange station to transport a payload. Landing platform 144 can be conveniently and flexibly disposed with any type of exchange stations, such as a delivery truck/van, a train, a cargo airplane, a carrier UAV, such that payloads can be transported automatically with reduced or eliminated human intervention. Moreover, landing platform 144 enables the UAV to land on any location that can house or accommodate a landing platform, thereby extending the transportation area that UAV can reach.
  • FIG. 8A is a block diagram illustrating an exemplary UAV landing system 800 and an exemplary landing platform (LP) landing system 820 , consistent with some embodiments of the present disclosure.
  • a UAV may need to land on a landing platform.
  • a landing platform may have a limited dimension (e.g., 1.2 meter) and therefore landing the UAV on a landing platform may require precision landing within a few centimeters.
  • the UAV e.g., UAV 130
  • a regular GPS system may have an accuracy of about 1.5 meters (5 feet). As a result, the regular GPS system may not be sufficient for precision landing within a few meters or a meter.
  • UAV landing system 800 can include a UAV communication interface 812 and one or more UAV landing subsystems such as a UAV magnetic heading based landing subsystem 802 , a UAV infrared light based landing subsystem 804 , a UAV global positioning system (GPS)/Real Time Kinematic (RTK) based landing subsystem 806 , a UAV optical based landing subsystem 808 , and UAV landing control circuitry and sensors 810 .
  • UAV magnetic heading based landing subsystem 802 a UAV infrared light based landing subsystem 804
  • UAV global positioning system (GPS)/Real Time Kinematic (RTK) based landing subsystem 806 a UAV optical based landing subsystem 808
  • RTK Real Time Kinematic
  • LP (landing platform) landing system 820 can include a LP communication interface 822 and one or more LP landing subsystems such as a LP magnetic heading based landing subsystem 822 , an LP infrared light based landing subsystem 824 , an LP global positioning system (GPS)/Real Time Kinematic (RTK) based landing subsystem 826 , an LP optical based landing subsystem 828 , and LP landing control circuitry and sensors 830 .
  • GPS may refer to the American NAVSTAR system, the Russian GLONASS system, the European Union Galileo system, the Japanese Quasi-Zenith satellite system, and/or the China's BeiDou navigation satellite system.
  • UAV landing control circuitry and sensors 810 can determine that the UAV is approaching a landing platform and/or is in a landing phase. For example, UAV landing control circuitry and sensors 810 can determine that the UAV is approaching a landing platform based on the GPS coordinates of the UAV's current location and the landing location (e.g., within 20 meters). Based on the determination, UAV landing control circuitry and sensors 810 can provide one or more signals to activate one or more of UAV magnetic heading based landing subsystems 802 , UAV infrared light based landing subsystem 804 , UAV GPS/RTK based landing subsystem 806 , and UAV optical based landing subsystem 808 for precision landing.
  • UAV landing control circuitry and sensors 810 can also provide one or more signals to LP landing system 820 for activating or triggering one or more of LP magnetic heading based landing subsystems 822 , LP infrared light based landing subsystem 824 , LP GPS/RTK based landing subsystem 826 , and LP optical based landing subsystem 828 for precision landing for precision landing.
  • UAV landing control circuitry and sensors 810 can determine that the UAV is approaching based on the GPS coordinates of the current location and the destination location. Based on the determination, UAV landing control circuitry and sensors 810 can provide one or more signals to UAV communication interface 812 .
  • UAV communication interface 812 can transmit the signals to LP communication interface 822 for activating or triggering one or more of LP magnetic heading based landing subsystems 822 , LP infrared light based landing subsystem 824 , LP GPS/RTK based landing subsystem 826 , and LP optical based landing subsystem 828 .
  • LP communication interface 822 can communicate directly with LP magnetic heading based landing subsystem 822 .
  • LP communication interface 822 can also communicate with LP control circuitry and sensors 830 , which then activates or triggers LP magnetic heading based landing subsystem 822 .
  • LP control circuitry and sensors 830 activates or triggers one or more of LP magnetic heading based landing subsystems 822 , LP infrared light based landing subsystem 824 , LP GPS/RTK based landing subsystem 826 , and LP optical based landing subsystem 828 without receiving signals from the approaching UAV.
  • LP control circuitry and sensors 830 can detect the approaching UAV using optical sensors (e.g., a camera), radio communications, and/or infrared sensors. Based on such detection, LP landing control circuitry and sensors 830 communicates with one or more LP landing subsystems 822 , 824 , 826 , and 828 to active or trigger them.
  • LP landing control circuitry and sensors 830 communicates can also communicate with the LP communication interface 822 to initiate handshake and following communications with UAV communication interface 812 for precision landing.
  • one or more of LP magnetic heading based landing subsystems 822 , LP infrared light based landing subsystem 824 , LP GPS/RTK based landing subsystem 826 , and LP optical based landing subsystem 828 can broadcast signals without detecting an approaching UAV. For example, they can continuously or periodically transmit signals without knowing that a UAV is approaching.
  • UAV communication interface 812 can communicate directly or indirectly with LP communication interface 822 .
  • UAV communication interface 812 can communicate with LP communication interface 822 using a Wi-Fi network, a near-filed communication network, Zigbee, Xbee, 802.15.4 radios, XRF, Xtend, Bluetooth, WPAN, line of sight, satellite relay, or any other wireless network, or a combination thereof.
  • direct communication between UAV communication interface 812 and LP communication interface 822 may be desired because such direct communication reduces the delay or latency to allow faster landing corrections or adjustments.
  • indirect communication between UAV communication interface 812 of the UAV and LP communication interface 822 may also be used.
  • the two communications interfaces 802 and 822 can communicate through a UAV service based on cellular communication.
  • UAV landing system 800 can align the UAV with the landing platform using magnetic heading information.
  • UAV magnetic heading based landing subsystem 802 can include a magnetic heading sensor (e.g., an electric compass) that provides magnetic heading information.
  • the magnetic heading sensor can sense the heading of UAV.
  • the heading of the UAV is the angle between the course of the UAV or the direction in which the UAV is pointing and a reference direction (e.g., the Earth's magnetic field's north direction).
  • UAV magnetic heading based landing subsystem 802 can obtain the heading information of the UAV.
  • LP magnetic heading based landing subsystem 822 can include a magnetic heading sensor for sensing the heading of a landing platform.
  • LP magnetic heading based landing subsystem 822 can obtain landing alignment information (e.g., a desired heading or a target heading) based on the magnetic heading of the landing platform.
  • LP magnetic heading based landing subsystem 822 can provide landing alignment information of the landing platform to UAV landing system 800 , e.g., through LP communication interface 822 and UAV communication interface 812 . Based on the landing alignment information, UAV magnetic heading based landing subsystem 802 can enable the adjusting of the UAV's landing path (e.g., heading, flight course, and/or landing trajectory) such that the UAV's heading substantially matches with the heading of the landing platform.
  • the UAV's landing path e.g., heading, flight course, and/or landing trajectory
  • UAV magnetic heading based landing subsystem 802 can determine the amount of correction required and instruct UAV landing control circuitry and sensors 810 and/or a flight control system (e.g., flight control system 620 shown in FIGS. 6A-6B ) to make corresponding corrections.
  • the magnetic heading based precision landing method can be simple, reliable, and energy efficient for landing a UAV on a landing platform.
  • UAV landing system 800 can align the UAV with the landing platform based on infrared beacon communications.
  • LP infrared light based landing subsystem 824 can include one or more infrared beacons (IR beacons).
  • An IR beacon can transmit landing alignment information, such as a modulated light beam in the infrared spectrum.
  • An IR beacon can transmit the modulated light beam repeatedly, periodically, or continuously.
  • one or more IR beacons can be disposed or integrated with LP infrared light based landing subsystem 824 to mark the location of the landing platform.
  • UAV infrared light based landing subsystem 804 can include a receiver to identify and trace the landing alignment information (e.g., the modulated infrared light transmitted by IR beacons). The modulated infrared light may be transmitted by line of sight.
  • the receiver of UAV infrared light based landing subsystem 804 can include one or more infrared light sensors to locate and trace the infrared light transmitted by the IR beacons. Based on the received infrared light, UAV infrared light based landing subsystem 804 can enable the adjusting of the UAV's landing path (e.g., heading, flight course, and/or landing trajectory) such that the UAV approaches the IR beacons of the landing platform.
  • the UAV's landing path e.g., heading, flight course, and/or landing trajectory
  • a UAV can navigate to a waypoint using a regular GPS system and then initiate or activate UAV infrared light based landing subsystem 804 .
  • a waypoint can be a predetermined position with a set of coordinates that identify a physical location along the flight route of the UAV.
  • the receiver of UAV infrared light based landing subsystem 804 can detect the infrared light transmitted by the IR beacons of the landing platform; and determine the coordinates of the UAV relative to the IR beacons (e.g., X-Y coordinates).
  • the receiver of the UAV infrared light based landing subsystem 804 can detect IR beacons at about 30-60 feet. Based on the determined coordinates, UAV infrared light based landing subsystem 804 can determine the amount of correction required and instruct UAV landing control circuitry and sensors 810 and/or a flight control system (e.g., flight control system 620 shown in FIGS. 6A-6B ) to make corresponding corrections of the flight path. Infrared light based landing can enable precise, accurate, and reliable landing of the UAV.
  • a flight control system e.g., flight control system 620 shown in FIGS. 6A-6B
  • UAV landing system 800 can align the UAV with the landing platform using differential GPS/RTK.
  • LP landing system 820 can include LP GPS/RTK based landing subsystem 826 , which has one or more GPS/RTK receivers. The GPS/RTK receiver receives signals from one or more satellites 840 . Based on the satellite signals, LP GPS/RTK based landing subsystem 826 can determine its current location, which is also the location of the landing platform. In some embodiments, LP GPS/RTK based landing subsystem 826 communicates its current location to UAV landing system 800 , e.g., through LP communication interface 822 and UAV communication interface 812 .
  • UAV landing system 800 can include a UAV GPS/RTK based landing subsystem 806 .
  • the location of the landing platform can be provided to UAV GPS/RTK based landing subsystem 806 for determining the distance between the UAV and the landing platform.
  • UAV GPS/RTK based landing subsystem 806 obtains the current location of the UAV from a UAV GPS receiver and compares it to the GPS location of the landing platform. Based on the comparison, UAV GPS/RTK based landing subsystem 806 can calculate the distance between the current location of the UAV and the location of the landing platform.
  • UAV GPS/RTK based landing subsystem 806 can determine the amount of correction required and instruct UAV landing control circuitry and sensors 810 and/or a flight control system (e.g., flight control system 620 shown in FIGS. 6A-6B ) to make corresponding corrections of the flight path.
  • a flight control system e.g., flight control system 620 shown in FIGS. 6A-6B
  • Differential GPS/RTK can also enable precise and accurate landing of the UAV.
  • the landing platform may include a GPS receiver.
  • UAV landing system 800 can align the UAV with the landing platform optical instruments.
  • UAV landing system 800 can include UAV optical based landing subsystem 808 , which has one or more cameras.
  • LP landing system 820 can include LP optical based landing subsystem 828 , which has certain optical markers or images.
  • UAV optical based landing subsystem 808 can acquire the optical markers or images of the landing platform. Based on the acquired optical markers or images, UAV optical based landing subsystem 808 can calculate the location of the landing platform and/or the distance between the current location of the UAV and the location of the landing platform.
  • UAV optical based landing subsystem 808 can determine the amount of correction required and instruct UAV landing control circuitry and sensors 810 and/or a flight control system (e.g., flight control system 620 shown in FIGS. 6A-6B ) to make corresponding corrections of the flight path.
  • Optical based landing is described in more detail in co-pending U.S. patent application Ser. No. 14/631,520 filed on Feb. 25, 2015, entitled “Optically Assisted Landing of Autonomous Unmanned Aircraft”. This application is herein incorporated by reference in its entirety for all purposes.
  • FIG. 8B illustrates a flow chart of an exemplary process 860 for landing a UAV on a landing platform, consistent with some embodiments of the present disclosure. Some features of the process 860 are illustrated in FIGS. 1, 2A-2C, and 8A and accompanying descriptions.
  • the process 860 is performed by a UAV (e.g., UAV 130 in FIGS. 1 and 2A ).
  • a UAV e.g., UAV 130
  • the UAV receives (step 864 ) landing alignment information from the landing platform.
  • the landing alignment information can be generated based on at least one of a magnetic heading of the landing platform, a GPS position of the landing platform, or an infrared beacon of the landing platform. Based on the received landing alignment information, the UAV can adjust (step 866 ) its landing path.
  • FIG. 8B is merely illustrative of a method for precision landing of a UAV on a landing platform.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings.
  • FIG. 8C is a block diagram illustrating an exemplary process for landing a UAV on a landing platform based on magnetic heading, consistent with some embodiments of the present disclosure.
  • a UAV 130 can align with a landing platform 870 (e.g., landing platform 144 having a compass) using magnetic heading information.
  • the landing platform 870 includes a magnetic heading sensor (e.g., a compass) for sensing the heading of a landing platform.
  • the landing platform 870 can obtain landing alignment information (e.g., a desired heading) based on the magnetic heading of the landing platform 870 .
  • the landing platform 870 can detect that the UAV 130 is approaching or landing based on direct or indirect communications with the UAV 130 , and/or based on signals provided by one or more sensors such as an optical sensor. In some embodiments, after the landing platform 870 detects that UAV 130 is approaching, it can provide landing alignment information (e.g., a desired or target heading) of the landing platform 870 to the UAV 130 for landing. Based on the landing alignment information, the UAV 130 can adjust the UAV's landing path (e.g., heading, flight course, and/or landing trajectory) such that the UAV's heading substantially matches with the target heading provided by the landing platform.
  • landing alignment information e.g., a desired or target heading
  • the UAV 130 can adjust the UAV's landing path (e.g., heading, flight course, and/or landing trajectory) such that the UAV's heading substantially matches with the target heading provided by the landing platform.
  • the UAV 130 can determine the amount of correction required and make corresponding corrections.
  • the magnetic heading based precision landing method can be simple, reliable, and energy efficient for landing a UAV on a landing platform.
  • FIG. 8D is a block diagram illustrating an exemplary process for landing a UAV 130 on a landing platform 872 based on differential GPS, consistent with some embodiments of the present disclosure.
  • the UAV 130 can align with the landing platform 872 (e.g., a landing platform 144 having a compass and/or a GPS) using differential GPS/RTK.
  • the landing platform 872 can include one or more GPS receivers and/or compasses.
  • the GPS receiver can receives signals from one or more satellites. Based on the satellite signals, the GPS of the landing platform can determine its current location, which is also the location of the landing platform.
  • the landing platform 872 communicates its current location to the UAV 130 using, for example, broadcasting based on direct radio communication.
  • the UAV 130 can also include a GPS receiver, which can determine the location of the UAV 130 . Based on the GPS location of the UAV 130 and the broadcast GPS location of the landing platform, the UAV 130 can determine the distance between the UAV 130 and the landing platform. For example, the UAV 130 can obtain the current location of the UAV 130 from its GPS receiver and compares it to the GPS location of the landing platform 872 . Based on the comparison, the UAV 130 can calculate the difference between the current location of the UAV 130 and the location of the landing platform 872 . Based on the difference, the UAV 130 can determine the amount of correction required and make corresponding corrections of the flight path. The above described process for determining the difference can be repeatedly, periodically, or continuously performed by the UAV 130 such that the difference between the UAV 130 and the landing platform 872 is reduced or minimized. Differential GPS can also enable precise and accurate landing of the UAV 130 .
  • Precision landing on landing platform can enhance the likelihood that a UAV can interact with an exchange station to transport a payload. Therefore, precision landing allows faster and more efficient transportation of payloads. Moreover, precision landing also enables the UAV to transport payloads to a wide variety of exchange stations such as a transportation truck. Without precision landing, landing on a transportation truck, whether stationary or moving, can be challenging.
  • FIG. 9A illustrates a block diagram of an exemplary UAV flight termination system (FTS) 630 of a UAV 130 and portions of UAV 130 , consistent with some embodiments of the present disclosure.
  • UAV FTS 630 can determine or obtain a determination whether one or more conditions for triggering termination of a flight are satisfied.
  • the one or more conditions may include a mid-air collision, a sudden change of weather conditions that may prevent the UAV from completing the current flight, a mechanical/electrical failure of the UAV, whether the battery fails, whether the remaining battery power is insufficient for supporting the remaining flight, etc.
  • These conditions can be detected by one or more sensors 950 of UAV 130 .
  • UAV FTS 630 can invoke emergency landing system 908 to search for and/or land UAV 130 in a nearby UAV station or location. For example, UAV FTS 630 may deploy a parachute for immediate landing of UAV 130 at its current location.
  • UAV FTS 630 can include a FTS power supply 902 , a battery manager 920 , a FTS controller 940 , and an emergency landing system 908 .
  • FTS power supply 902 can supply electrical power to UAV FTS 900 .
  • FTS power supply 902 can be, for example, a battery, a fuel cell, and/or a solar panel.
  • FTS power supply 902 can be a separate power supply from main power supply 608 of the UAV.
  • a power supply failure e.g., a depleted battery
  • main power supply 608 may not affect the operation of UAV FTS 630 , which is powered by FTS power supply 902 .
  • Separating FTS power supply 902 from main power supply 608 reserves FTS power supply 902 as the emergency power supply for operating UAV FTS 630 , which can be a mission-critical system.
  • UAV FTS 630 can also include a battery manager 920 .
  • battery manager 920 can monitor the status of FTS power supply 902 (e.g., the state of charge of a FTS battery). Based on the monitoring, battery manager 920 can determine whether FTS power supply 902 requires recharge, refuel, or replacement. For example, if battery manager 920 detects that FTS power supply 902 (e.g., a battery) is depleted, it can determine that the FTS battery needs to be recharged or replaced. Battery manager 920 can also enable the charging of FTS power supply 902 using internal or external power supplies. For example, battery manager 920 can electrically couple main power supply 608 to FTS power supply 902 to charge FTS power supply 902 .
  • Main power supply 608 can be a power supply for operation of UAV 130 .
  • main power supply 608 enables the regular operation (e.g., transporting payloads) of UAV 130 .
  • main power supply 608 may have a larger capacity than that of FTS power supply 902 .
  • battery manager 920 can also monitor hazardous conditions or abnormal conditions of FTS power supply 902 . For example, battery manager 920 can detect whether FTS power supply 902 is overheated, on fire, short circuited, or leaking at an abnormal rate. After determining that FTS power supply 902 has one or more hazardous conditions or abnormal conditions, battery manager 920 can send an alert signal to one or more host processors 910 to indicate such conditions. Host processors 910 can be, for example, a portion of flight control system 620 . Based on the alert signal, host processors 910 can determine one or more proper actions. For example, host processors 910 can determine that an alert message needs to be provided to an operator or administrator's portable electronic device. Host processors 910 can also determine that the FTS power supply 902 needs to be replaced or that the UAV needs to perform an emergency landing.
  • battery manager 920 can detect whether FTS power supply 902 is being electrically coupled or exposed to excessively low or high voltages or currents.
  • FTS power supply 902 can be a battery that is charged within a range of DC voltages. However, if FTS power supply 902 is exposed or coupled to a DC or AC voltages outside of the acceptable range, it can be reparably or irreparably damaged. To prevent such damage, battery manager 920 can include under-voltage/current or over-voltage/current protection circuits (e.g., electrical overstress (EOS) or electrostatic discharge (ESD) protection circuits) to protect FTS power supply 902 .
  • EOS electrical overstress
  • ESD electrostatic discharge
  • battery manager 920 can record information associated with operation of FTS power supply 902 .
  • battery manager 920 can record a plurality of battery parameters (e.g., battery discharge rate, temperature, capacity, etc.), battery statuses and conditions, alert signals, and/or messages.
  • Battery manager 920 can record the information associated with FTS power supply 902 using, for example, memory 914 of the UAV or internal memory of UAV FTS 630 (not shown).
  • Memory 914 and/or internal memory of UAV FTS 630 can include a drum, magnetic disc drive, magneto-optical drive, optical drive, redundant array of independent discs (RAID), solid-state memory devices, flash devices, solid-state drives, etc.
  • Battery manager 920 can further provide the recorded information for diagnosis, forensics, failure analysis, and/or any other purposes.
  • battery manager 920 can provide power to UAV FTS 630 from at least one of FTS power supply 902 and main power supply 608 .
  • battery manager 920 can detect that FTS power supply 902 is depleted or insufficient for operation of UAV flight termination system. Battery manager 920 can thus determine FTS power supply 902 needs a recharge or replacement.
  • battery manager 920 can electrically couple main power supply 608 to UAV FTS 630 such that components of UAV FTS 630 (e.g., FTS controller 940 , emergency landing system 908 ) can continue to operate.
  • battery manager 920 can also detect that main power supply 608 is insufficient or is temporarily unavailable. As a result, battery manager 920 can electrically couple FTS power supply 902 to UAV 130 such as components of UAV 130 (e.g., flight control system 620 , the navigation system) can continue to operate. For example, as illustrated in FIG. 6A , UAV 130 can land on landing platform 144 for exchanging the payload container 610 and main power supply 608 with exchange station 146 . After UAV 130 releases main power supply 608 (e.g., a battery) to exchange station 146 , it can be powered by FTS power supply 902 so that UAV 130 can continue to operate. In some embodiments, if FTS power supply 902 is used to power UAV 130 , UAV 130 can operate in a low power mode (e.g., place certain systems or components in hibernate or sleep mode, while only operating certain necessary systems or components).
  • main power supply 608 e.g., main power supply 608
  • main power supply 608 e
  • FIG. 9B illustrates a block diagram of an exemplary battery manager 920 of a UAV flight termination system, consistent with some embodiments of the present disclosure.
  • battery manager 920 can include a programmable battery management unit 922 and one or more electronic components including, for example, one or more resistors, capacitors, inductors, diodes, transistors, and other electrical components.
  • Programmable battery management unit 922 can provide battery control functions, battery charging control outputs, gas gauging, and protection for autonomous operation of battery packs.
  • programmable battery management unit 922 can be a Texas Instruments' BQ40Z60 type integrated circuits. It is appreciated that FIG. 9B merely illustrates one embodiment of the circuit architecture of battery manager 920 , and any other circuit architecture may be used to implement battery manager 920 .
  • UAV FTS 630 can also include FTS controller 940 .
  • FTS controller 940 can communicate with battery manager 920 to control charging of FTS power supply 902 and/or main power supply 608 .
  • FTS controller 940 can also communicate with battery manager 920 to receive information (e.g., battery status, parameters, alerts, etc.) associated with FTS power supply 902 .
  • FTS controller 940 and battery manager 920 can communicate using, for example, inter-integrated circuit (I 2 C) or system management bus (SMbus or SMB).
  • I 2 C inter-integrated circuit
  • SMB system management bus
  • FTS controller 940 can monitor the status or operation mode of UAV 130 .
  • FTS controller 940 can communicate with operation mode indicator 916 , which detects and provides the current operation mode of UAV 130 .
  • the operation mode may be, for example, a standby mode, a preflight mode, an in-flight mode, a landed mode, a payload exchange mode, etc. Based on the detected operation mode, FTS controller 940 can control the power state of FTS power supply 902 and/or main power supply 608 .
  • FTS controller 940 may communicate with batter manager 920 to turn off or reduce power supply (e.g., reduce current) from main power supply 608 and/or FTS power supply 902 .
  • FTS controller 940 intelligently manages the power supply to reserve power.
  • FTS controller 940 can monitor an emergency landing signal.
  • flight control system 620 , an autopilot system, and/or the navigation system of UAV 130 can obtain an indication that UAV 130 requires to perform an emergency landing by deploying a parachute.
  • sensors 950 can determine that there is a mid-air collision, a sudden change of weather conditions that may prevent UAV 130 from completing the current flight, a mechanical/electrical failure of UAV 130 , a failure of main power supply 608 , etc. Based on the determination, sensors 950 can generate an emergency landing signal and provide the signal to flight control system 620 and/or FTS controller 940 for engaging emergency landing system 908 .
  • FTS controller 940 can determine whether one or more conditions are satisfied for deploying an emergency landing mechanism (e.g., a parachute).
  • an emergency landing mechanism e.g., a parachute
  • the propellers e.g., propellers 606
  • UAV 130 may be required to search for a suitable place for landing (e.g., a place that has a solid surface and free of obstacles). In some embodiments, if one or more of these conditions are not satisfied, FTS controller 940 may not engage emergency landing system 908 to deploy the emergency landing mechanism.
  • FTS controller 940 may take one or more corresponding actions or engage other systems/components of UAV 130 to adjust or change the conditions. For example, FTS controller 940 can communicate with main power supply 608 to reduce or eliminate power supply to the propellers (e.g., propellers 606 ) of UAV 130 to prepare for deploying the parachute. In some embodiments, FTS controller 940 can engage emergency landing system 908 regardless of whether one or more of these conditions are satisfied. For example, FTS controller 940 can deploy a parachute even after determining that a solid surface is not available but a soft surface is available, or that the obstacles would not substantially affect emergency landing.
  • main power supply 608 to reduce or eliminate power supply to the propellers (e.g., propellers 606 ) of UAV 130 to prepare for deploying the parachute.
  • FTS controller 940 can engage emergency landing system 908 regardless of whether one or more of these conditions are satisfied. For example, FTS controller 940 can deploy a parachute even after determining that a
  • FTS controller 940 can engage the emergency landing system 908 to deploy the emergency landing mechanism (e.g., a parachute).
  • the emergency landing mechanism e.g., a parachute
  • FTS controller 940 can also monitor one or more signals provided by main power supply 608 . Based on the monitoring, FTS controller 940 can determine whether to take one or more proper actions, e.g., whether to engage FTS power supply 902 or whether to engage emergency landing system 908 . As an example, FTS controller 940 can determine that main power supply 608 is depleted and determine that FTS power supply 902 needs to be engaged. As another example, FTS controller 940 can determine that there is a power failure while UAV 130 is in-flight and therefore engage the emergency landing system 908 . As another example, FTS controller 940 can determine that the remaining charge of main power supply 608 is insufficient for the next flight, and therefore prevent UAV 130 from taking off.
  • FTS controller 940 can communicate with attitude and heading reference systems (AHRS) and/or inertial sensors 918 .
  • AHRS and/or inertial sensors 918 can be independent and/or separate from an autopilot system of UAV 130 .
  • AHRS and/or inertial sensors 918 can include sensors on three axes that provide attitude information for UAV 130 , including heading, pitch, and yaw.
  • AHRS can be solid-state microelectromechanical systems (MEMS) gyroscopes, accelerometers, and/or magnetometers.
  • FTS controller 940 communicates with AHRS and/or inertial sensors 918 to receive data for enabling redundancy from the autopilot and/or navigation system of UAV 130 . For example, if there is a failure of autopilot and/or navigation system, UAV 130 can continue to fly or land using data received from AHRS and/or inertial sensors 918 .
  • FTS controller 940 can obtain and communicate status information (e.g., the main power supply status, the FTS power supply status, the emergency landing system status, the flight status of UAV 130 , etc.). For example, FTS controller 940 can communicate the status information using visual and/or audio device (e.g., light emitting diodes, buzzers) or using packet communication.
  • status information e.g., the main power supply status, the FTS power supply status, the emergency landing system status, the flight status of UAV 130 , etc.
  • FTS controller 940 can communicate the status information using visual and/or audio device (e.g., light emitting diodes, buzzers) or using packet communication.
  • FIG. 9C illustrates a block diagram of an exemplary FTS controller 940 , consistent with some embodiments of the present disclosure.
  • FTS controller 940 can include a microcontroller unit 942 , a decoder 944 , a voltage regulator or translator 946 , and one or more electronic components 948 including, for example, one or more resistors, capacitors, inductors, diodes, transistors, and other electrical components.
  • Microcontroller unit 942 can provide embedded control of motors and general purpose applications.
  • microcontroller unit 942 can be a Microchip's PIC16F1618 type integrated circuits.
  • Decoder 944 can decode signals (e.g., pulse width modulation (PWM) signals) from the autopilot system of UAV 130 and provide decoded signals to microcontroller unit 942 .
  • decoder 944 can be Pololu 2801 type of circuitry.
  • Voltage regulator or translator 946 can provide voltage conversion and provide a constant voltage level to the components of FTS controller 940 . It is appreciated that FIG. 9C merely illustrates one embodiment of the circuit architecture of FTS controller 940 , and any other circuit architecture may be used to implement FTS controller 940 .
  • FIG. 9D illustrates a flow chart of an exemplary process 960 for controlling termination of a UAV flight, consistent with some embodiments of the present disclosure.
  • the process 960 is performed by a flight termination system of a UAV (e.g., UAV FTS 630 in FIG. 9A ).
  • a UAV flight termination system e.g., UAV FTS 630
  • the UAV flight termination system determines (step 964 ) whether one or more conditions for emergency landing are satisfied.
  • the UAV flight termination system deploys (step 966 ) an emergency landing mechanism, such as a parachute.
  • FIG. 9D is merely illustrative of a method for emergency landing of a UAV.
  • the illustrative discussions above are not intended to be exhaustive or to limit the invention to the precise form disclosed. Many modifications and variations are possible in view of the above teachings.
  • FIGS. 1, 2B, and 3A-3Y Mobile App for Operator—Performed by a Mobile Device.
  • FIGS. 4A-4B Smart Payload Container
  • UAV Cloud Service Performed by the UAV Service Server ( FIGS. 1, 2C, and 4A-4C )
  • FIGS. 1, 2B, and 5A-5W Mobile App for Transporter—Performed by a Mobile Device
  • FIGS. 1, 2A, 7A-7E Landing Platform
  • the computer program instructions with which embodiments of the present subject matter may be implemented may correspond to any of a wide variety of programming languages, software tools and data formats, and be stored in any type of volatile or nonvolatile, non-transitory computer-readable storage medium or memory device, and may be executed according to a variety of computing models including, for example, a client/server model, a peer-to-peer model, on a stand-alone computing device, or according to a distributed computing model in which various of the functionalities may be effected or employed at different locations.
  • references to particular algorithms herein are merely by way of examples. Suitable alternatives or those later developed known to those of skill in the art may be employed without departing from the scope of the subject matter in the present disclosure.
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US20220073204A1 (en) 2022-03-10
EP4001111A3 (fr) 2022-08-17
JP2021000986A (ja) 2021-01-07
US20200239138A1 (en) 2020-07-30
CN108290633A (zh) 2018-07-17
JP2019503295A (ja) 2019-02-07
EP3374263A1 (fr) 2018-09-19
CA3004947A1 (fr) 2017-05-18
US11820507B2 (en) 2023-11-21
WO2017083406A1 (fr) 2017-05-18
EP3374263A4 (fr) 2019-05-08

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