EP3386685A2 - Remote control of an autonomous mobile robot - Google Patents
Remote control of an autonomous mobile robotInfo
- Publication number
- EP3386685A2 EP3386685A2 EP16809773.1A EP16809773A EP3386685A2 EP 3386685 A2 EP3386685 A2 EP 3386685A2 EP 16809773 A EP16809773 A EP 16809773A EP 3386685 A2 EP3386685 A2 EP 3386685A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- robot
- connection
- user
- mobile terminal
- communication
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
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Classifications
-
- 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
- G05D1/0088—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot characterized by the autonomous decision making process, e.g. artificial intelligence, predefined behaviours
-
- 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
- G05D1/0011—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot associated with a remote control arrangement
- G05D1/0022—Control of position, course or altitude of land, water, air, or space vehicles, e.g. automatic pilot associated with a remote control arrangement characterised by the communication link
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/16—Programme controls
- B25J9/1656—Programme controls characterised by programming, planning systems for manipulators
- B25J9/1664—Programme controls characterised by programming, planning systems for manipulators characterised by motion, path, trajectory planning
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3605—Destination input or retrieval
- G01C21/362—Destination input or retrieval received from an external device or application, e.g. PDA, mobile phone or calendar application
-
- 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
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
Definitions
- the invention relates to a mobile autonomous service robot such as e.g. a robot for working on surfaces (cleaning floors, mowing grass, painting a surface, etc.).
- a mobile autonomous service robot such as e.g. a robot for working on surfaces (cleaning floors, mowing grass, painting a surface, etc.).
- the invention relates to methods for remote control of such robots.
- autonomous mobile robots especially service robots
- service robots are increasingly being used in the household sector, for example for cleaning floors or for monitoring an apartment (night watchman function) or for transporting objects in an apartment.
- Some of these service robots can be monitored and controlled by means of a remote control device (such as a computer).
- Service robots are also known which can send messages to a user over long distances or be remotely controlled by, for example, using a connection over the Internet or the mobile network to communicate with a user's mobile terminal.
- the robot sends information e.g. about his status or about the activity performed or to be carried out by the robot, with which the user can not necessarily do anything.
- the information that the robot can not clean a room due to a closed door is of little relevance to a user when he is not near his home, because in that case he can not remedy the problem immediately.
- the object underlying the invention is to provide a method to an autonomous mobile service robot by means of a mobile Monitor and control terminal without the user has to worry about the communication path between terminal and robot. Furthermore, the "intelligence" of the communication of the robot with the user should be improved.
- the system further comprises at least one communication server having a network interface with access to the public Internet.
- the robot and the mobile terminal are configured to communicate both via a first connection and via at least one second connection, wherein the second connection is a local wireless communication connection and the first connection is an indirect communication connection, in which the communication server blocks the communication between the robot and the mobile device. If one of the two connections breaks down or a build-up of the respective communication connection fails, an attempt is made to change the communication connection.
- the method comprises establishing a communication connection between the robot and the mobile terminal via a first connection or via a second connection, wherein the second connection is a local wireless communication connection and the first connection is an indirect communication connection, in which an over the Internet accessible communication server communicates the communication between the robot and the mobile device.
- the method further comprises switching the communication link from the second connection to the first one Connection if the second connection breaks down or the second connection fails.
- the robot first initiates a communication connection to a server, and the mobile terminal sends a request to the server.
- the server informs the robot via the request of the terminal by means of a message.
- the robot then waits for a particular user interaction by which the request is confirmed by the user. If the user interaction occurs within a predetermined time, the robot will execute control commands which will in future be sent from the terminal to the robot via the server, otherwise control of the robot over the communication link to the server will be denied.
- a system is described with at least one autonomous mobile robot and at least one mobile terminal.
- the robot and the mobile terminal are configured to communicate via at least one first wireless connection.
- the robot is designed to determine information about the location of a user (eg based on the whereabouts of the terminal), and to decide depending on the determined information about the whereabouts, if and, if so, what information is sent to the mobile terminal and / or if and, if so, what activities are performed, interrupted, continued or terminated by the robot.
- a system is described with at least one autonomous mobile robot and at least two mobile terminals.
- the mobile terminals are each configured to communicate with the robot.
- the robot is adapted to enable changes in information stored in the robot by one of the mobile terminals and to send a message regarding possible changes to at least one other of the mobile terminals.
- a system with at least one autonomous, mobile robot, at least two mobile terminals and at least one server with Internet access described.
- the mobile terminals are each adapted to communicate with the robot, the server providing the communication.
- the robot and server are designed to synchronize information stored in the robot with information stored in the server.
- the invention also relates to an autonomous mobile robot.
- the robot has a navigation module which is designed to navigate the robot through the application area on the basis of a map of the area of application of the robot and sensor information available in the robot.
- a detection unit of the robot is designed to detect at least one of the following events: the user enters or leaves the deployment area, has entered or left it, or is currently entering or leaving the deployment area.
- a control module of the robot is configured to trigger a predefined action of the robot when the detection unit detects one of the events, the predefined action being that the robot travels to a location previously defined in the map and begins a predefined activity there ,
- a system is described with a first and at least a second autonomous mobile robot. According to one embodiment, these are configured to communicate with each other, wherein the first robot is configured to perform a first action, and the second robot thereto is trained to perform a second activity.
- the first robot is configured to accept a user's command to start, pause, and / or abort an activity, wherein the first robot notifies the second robot of the user's command and the second robot is configured to, based on this notification decide to start the second activity, start with a time delay, interrupt and / or cancel.
- At least the first robot is configured to detect whether a user is leaving or entering the robotic area, wherein the first robot notifies the second robot when it has detected that a user is the one Robot deployment area leaves or enters, and the second robot is adapted based on this notification decide to start the second activity, start with a time delay, interrupt and / or cancel.
- Figure 1 shows the control of a mobile autonomous robot by means of a mobile device communicating with the robot via a direct wireless connection (e.g., Bluetooth).
- a direct wireless connection e.g., Bluetooth
- Figure 2 shows the control of a mobile autonomous robot by means of a mobile terminal which communicates with the robot via a wireless local area network (e.g., WLAN, Wireless Local Area Network).
- a wireless local area network e.g., WLAN, Wireless Local Area Network
- Figure 3 shows the control of a mobile autonomous robot by means of a mobile terminal, wherein an accessible via the Internet server communicates the communication between the mobile terminal and the robot.
- Figure 4 shows the two alternative connections for communication between the mobile terminal and robot.
- Figure 5 shows an example of the backup of event logs and other information stored in the robot on an accessible via an Internet connection communication server.
- FIG. 6 illustrates an example for the secure coupling of a robot and at least one mobile terminal.
- FIG. 7 shows several examples of objects that can be detected by the robot, wherein a message is sent to the user when leaving the robot deployment area when an object is detected.
- Figure 8 shows an example of the use of a GPS receiver in the mobile terminal to decide whether and which messages are sent from the robot to the user.
- the user of the service robot to control and monitoring of his autonomous mobile service robot with a mobile device such as a smartwatch, a smartphone or tablet PC are enabled.
- a mobile device such as a smartwatch, a smartphone or tablet PC.
- both the robot and the mobile terminal may connect to a communication server that may be accessible via the Internet .
- the controller of the robot 1 should not be done via the Internet, but via a direct connection between the robot and mobile device. This avoids unnecessary (and possibly paid) traffic (on the user and server side) and quality and security of data exchanges improved.
- the direct connection between the robot and the mobile device can, for example, be established via a home network, such as via a WLAN (Wireless Local Area Network). Further details on possible connection types will be explained later.
- a server in this context is not necessarily a particular computer or hardware, but a server service (service, daemon) that runs on a computer.
- the communication server is thus a software that communicates the communication between the terminal and the robot.
- the autonomous, mobile robot can perform as a service robot automatically one or more tasks such. cleaning or monitoring an apartment, a building (or part of it) and the transport of objects within a building.
- Each robot can have a unique identification number (UID, Unique Identification Number) with which it can log in, for example, to the mentioned communication server.
- UID Unique Identification Number
- a user can also assign a name to his robot.
- a service robot usually has devices for navigation. For example, it may be equipped with sensors for obstacle detection and creating a map of its environment.
- the mobile terminal may be, for example, a smartwatch, a smartphone, a tablet PC or a portable computer with a suitable application (application, short: App), which provides a graphical user interface.
- the autonomous mobile robot and the mobile terminal each contain at least one communication interface. This is, for example, a WLAN module with which a connection to a local WLAN (in the application area of the robot) can be established.
- the WLAN can enable a connection to the Internet and / or a direct connection between the robot and the mobile terminal.
- Other possible and known communication interfaces are wireless connections such as the mobile network (UMTS, LTE), Bluetooth, ZigBee, Z-Wave or near-field communication (NFC), or direct connections such as a USB interface.
- the control and monitoring of the robot by means of the mobile terminal may include various aspects.
- the mobile terminal can eg be used to display status information, to use calendar functions and to enter commands to the robot.
- Status information is, for example, the display of the charging status, a map of the robot deployment area with information on cleaning or monitoring of this area or the position of the robot in its area of use.
- the robot can be assigned regularly recurring tasks or one-time tasks that lie in the future. That is, a schedule can be created for the tasks to be performed by the robot. Examples include "start cleaning every week Monday 9:00 am" or "monitor the home for unusual activities tonight from 8:00 pm to 10:00 pm".
- Commands to the robot are, for example, the start of a new task or the interruption of the execution of a task by the robot. This can be, for example, the cleaning or monitoring of a predefinable area or the drive to a predefinable location, such as a base station of the robot.
- the mobile terminal for controlling and monitoring the robot can send various requests to the robot, which returns a corresponding response to the mobile terminal and / or performs a corresponding action.
- These requests can be divided into two groups:
- Regular requests include, for example, status information, such as the status of the charge or the regular updating of card information, such as a cleaning card (in which the robot can mark the areas that it has already cleaned).
- User-initiated queries are one-time or unpredictable instructions, such as changing a calendar entry (for example, for regular cleaning), or commanding the robot to immediately perform a task such as a quick clean or abort execution of a task.
- the above-mentioned communication server can provide a communication service (server service) which enables the communication between the robot and the mobile terminal over long distances and is permanently accessible via the Internet, for example. For this purpose, both the robot and the mobile terminal can log on to the communication server (register).
- the communication server is configured, for example, as a cloud service, as a virtual server, as a single service computer (host) or as a network of service computers (clusters).
- the connection between the robot and the communication server or between the terminal and the communication server can not be done directly but through the intermediation of another server service.
- control can be bundled for several different devices in an application (application) for the mobile terminal.
- This application now contacts a central server, which mediates or forwards the communication to the communication server specialized for the respective device (for example, the service robot considered).
- FIGS. 1 to 3 Different possibilities for establishing a connection between a mobile autonomous robot 1 and a mobile terminal 2 are shown in FIGS. 1 to 3.
- the mobile terminal 2 checks the available connection types to the mobile robot 1 and automatically selects an appropriate connection as soon as the user activates the function for controlling and monitoring the autonomous mobile robot 1 on the mobile terminal 2.
- certain types of connection may be preferred, for example, a local connection (direct connection or connection within a WLAN) may be preferred.
- the robot 1 offers a direct wireless connection, such as Bluetooth, NFC or WLAN, which the terminal 2 can recognize and assign to the robot 1.
- the robot 1 uses its WLAN module to initiate a WLAN with a network identifier (for example SSID, Service Set Identifier) which can be uniquely assigned to it, in which it serves as an access point (router).
- a network identifier for example SSID, Service Set Identifier
- the mobile terminal 2 with the robot 1 can form a mobile ad hoc network (MANET) (without an access point).
- MANET mobile ad hoc network
- the terminal 2 thus recognizes the available ability of a robot 1 to the availability of the WLAN associated with the robot 1 (eg due to the presence of the robot's SSID).
- the assignment takes place, for example, in that the network identifier contains the UID of the robot.
- both the robot 1 and the mobile terminal 2 are registered in a local wireless network, for example in a WLAN, which is provided by a router 4 with WLAN access point.
- the mobile terminal 2 may send a multicast domain name system (mDNS) request to determine if and, if so, which robots 1 are available in a local WLAN (available in the robot's field of use) around that or these requests and commands to send.
- mDNS multicast domain name system
- the terminal 2 may remember (i.e., store) in which networks (SSID) a robot was available in the past. In these known networks, it automatically checks the availability of the robot 1. In other networks, the terminal 2 searches for a robot 1 only when prompted by the user.
- both the robot 1 and the mobile terminal 2 are connected to a communication server 3, which is accessible (for the terminal 2 and the robot 1), for example via the Internet.
- the connection to the Internet can be made, for example, via a WLAN router with Internet connection (for example for the robot 1) or via the mobile radio network (for example for the mobile terminal 2).
- the mobile terminal 2 reaches the communication server 3, it sends a request to the communication server 3.
- This sends a response to the terminal 2 and thus informs the terminal 2 which robots 1 are being transmitted via the relevant communication server 3 available (ie connected to the communication server 3) are.
- the mobile terminal 2 can now send requests and commands for the robot 1 to the communication server 3. This forwards inquiries and commands of the terminal 2 to the robot 1.
- the robot 1 in turn sends its answer to the communication server 3, which forwards it to the mobile terminal 2.
- the mobile terminal 2 via the communication server 3 send a request to the robot 1, which local connection option he currently allows.
- the robot 1 replies to the communication Server and informs him in which WLAN (SSID) with which IP address he is logged on.
- the mobile device can now check if this WLAN is available at its location and set up a local connection.
- This procedure is advantageous if, for example, a mDNS request within a WLAN is not possible or too slow for technical reasons.
- the mobile terminal 2 can observe over time whether it is in the reception area of the WLAN and then connect directly to the robot via the WLAN without having to make another mDNS request.
- the mobile terminal 2 can monitor the available connection types to the robot 1 according to an embodiment during use of the application on the terminal. If the current connection is (for whatever reason) disturbed, it will try to reconnect using an alternative route. Also independently of a disturbance of the currently used connection between the mobile terminal 2 and the robot 1, the terminal can search for alternative connection possibilities. If the current connection uses the communication server 3, the mobile terminal 2 can search continuously or at regular intervals for a local connection possibility, in order to then use it instead of the connection via the communication server 3. The mobile terminal 2 can inform the user and / or the robot 1 about a change of the connection possibility, whereby they can react to it. Alternatively or additionally, the robot may be designed to detect a change in the communication connection to the terminal 2, and to react to a detected change if necessary. For example, the robot may determine whether a command or request has been received directly from the terminal 2 or from the communication server (e.g., by IP address).
- the robot 1 and the mobile terminal 2 are registered in the same (local) WLAN and communicate via this connection. If now the user leaves the apartment with the mobile terminal 2, the mobile terminal 2 loses the connection to the local WLAN at the area of application of the robot and thus the direct connection to the robot.
- the mobile terminal 2 can now try to establish a connection to the communication server 3 (for example, via the mobile radio network) in order to connect to the robot 1 via it.
- the user is asked whether the robot 1 performs an activity such as, for example, or cleaning the apartment should start.
- the robot can be informed about the change of the connection type. He can now check whether he should change his current status by, for example, automatically starting a task. For example, leaving the dwelling by the user can automatically trigger the monitoring or cleaning of the dwelling by the robot 1.
- the user comes home with the mobile terminal 2.
- the mobile terminal 2 recognizes the new local connection possibility to the robot 1, for example via a common WLAN or via a Bluetooth radio link.
- the user can be given a short status message.
- the user can be informed about special events.
- the user can now be informed that the robot 1 could not clean a room because a door was locked. Since the user is now at home, he can open the door so that the robot 1 can finish cleaning.
- the robot 1 may respond to the possibility of a new local connection by, for example, terminating the current activity such as cleaning or monitoring an apartment. Thus, a disturbance of the user by the work of the robot 1 is avoided.
- the ability to send messages to the user when the connection type changes or depending on the connection type will be explained later.
- the robot 1 In order to enable the type of connection between mobile terminal 2 and robot 1 shown in FIG. 3 by means of the communication server 3, the robot 1 must be connected to the communication server 3. Since the robot 1 is normally located in a private network (eg WLAN), usually (eg due to changing IP addresses and / or various security devices such as firewalls and the like) no direct access from outside the private network is possible. As a rule, the communication server 3 can not initiate a connection to the robot 1 on its own. Therefore, the connection between robot 1 and communication server 3 is usually initiated by the robot 1. The connection can be permanent or can only be opened for a short data exchange. With a short connection time, the connection setup can be repeated regularly and / or only if the status of the robot 1 has changed. Another example is shown in FIG. 4.
- a private network eg WLAN
- the connection setup can be repeated regularly and / or only if the status of the robot 1 has changed. Another example is shown in FIG. 4.
- the robot 1 is registered at a router 4 with a WLAN access point (access point) in its area of use and thus connected to a wireless local area network (WLAN) in its area of use.
- the WLAN access point can also be integrated in the robot 1 instead of in the router.
- the robot can establish a connection with the communication server 3 via the Internet.
- the terminal 2 when in or near the robot's area of operation, may also connect to the wireless local area network and communicate directly with the robot 1 (Local Area Connection) in the local area network (without the intervening router).
- the terminal 2 can connect to the server 3 via the Internet via another communication link (connection C2).
- connection C2 As described, the server 3 communicates the communication between the robot 1 and the terminal 2, which therefore indirectly communicate via the server 3.
- the communication server 3 forwards the communication between robot 1 and mobile terminal 2 directly.
- a permanent and very good connection between robot 1 and communication server 3 and between the mobile terminal 2 and the communication server 3 is required.
- the communication server 3 regularly polls and stores the information about the current status of the robot 2.
- the communication server can immediately send a response without having to forward the request to the robot between requests of the mobile terminal 2 and the associated answer and to wait for its answer. In this case, it is additionally possible to check how long the last connection to the robot 1 has been, ie how current the information received and stored by the robot 1 is.
- this period exceeds a predetermined value (for example, five minutes)
- the mobile terminal 2 is additionally informed that there is currently no connection to the robot.
- An instruction to the robot 1 would buffer the communication server until the robot 1 has started a reconnection.
- a predetermined period for example, 10 seconds
- the user can decide (eg by input on the terminal 2) whether a command sent to the communication server 3 expires after this time or remains valid for a longer time
- the information requested by the communication server 3 may be e.g. depending on the last known status of the robot. For example, no update of a map needs to be queried when robot 1 recharges at its base station.
- the robot 1 stores results and events of its work in an event log El (event history) for a specific time and makes them available to the user for checking and monitoring (eg directly or indirectly via the Communication Server 3). For example, the user can compare two or more cleaning results with each other. Because space on the robot is limited, the amount of time that events can be stored or the number of events is very limited. If the status of the robot and / or the event log El of the robot 1 are regularly sent to the communication server 3 and stored there (event log E at the server 3), the user may be offered a longer period of stored events or a larger number of events , In addition, the data sent and stored in this way to the communication server 3 can also serve as a backup.
- event log El event history
- the robot 1 can restore the map data of its area of use if they have been corrupted without carrying out another reconnaissance trip.
- a defective robot can be replaced by a new one.
- the new robot gets access to the data stored on the communication server 3, whereby he has a map of his environment, without having to rebuild himself.
- An autonomous mobile service robot 1 with its numerous sensors, records sensitive data about its area of use, such as private data about the user's living environment. This data should therefore be protected against unauthorized access by third parties by means such as encryption and secure authentication, for example by means of TLS certificates (Transport Layer Security). At the same time but the operability of the robot 1 is not limited by, for example, too many password requests.
- the user can furnish proof of the authorization for this access during the set-up of the robot controller via the communication server 3 ,
- This can be like e.g. in Fig. 6 by a direct interaction with the robot 1, which requires immediate physical control of the user via the robot 1 (and the mobile terminal 2).
- he can operate a button on the robot 1 or communicate with the robot 1 with a short-range direct wireless connection (e.g., Bluetooth, Airdrop, NFC, etc.).
- a short-range direct wireless connection e.g., Bluetooth, Airdrop, NFC, etc.
- the robot 1 awaits confirmation of this request by means of direct user interaction (eg, actuation of a key physically connected to the robot);
- the robot 1 upon successful confirmation by the user, the robot 1 sends an acknowledgment of the request to the communication server and allows the control of the robot by the mobile terminal via the communication server 3.
- step (a) the user allows the robot 1 to connect to the computer.
- the robot 1, for example, logs on to the communication server 3 with its UID (Unique Identification Number) so that it can be uniquely identified.
- UID Unique Identification Number
- step (b) the mobile terminal 2 connects to the communication server 3 and informs it that it wants a connection to the robot 1.
- This is done, for example, by the user indicating an identifier of the robot (e.g., the UID of the robot 1) and an associated password.
- This information is found by the user e.g. in the documents belonging to the robot 1 (for example User Manual).
- the UID or another identifier of the robot (eg a digital certificate) of the robot can, for example, also via a direct connection (eg by means of a point-to-point radio connection such as via a Bluetooth connection or via NFC or via a WLAN) be transmitted from the robot 1 to the mobile terminal 2.
- An alternative "transmission path" between robot 1 and terminal 2 may be that a 2D barcode, such as a QR code (Quick Response Code), for example, is arranged on the underside of the robot 1 and the barcode is scanned with the terminal 2.
- the robot 2 can also generate a (pseudo-) random identifier If the identifier is to be transmitted via a QR code, it can be displayed on a display on the robot, for example the communication server 3 logs.
- step (c) the communication server 3 notifies the robot 1 that a mobile terminal 2 desires a connection via the communication server 3 to the robot 1.
- the robot 1 then expects direct user interaction in step four within a specified time.
- step (d) there are numerous possibilities of direct user interaction with the robot 1, which presupposes the physical control of the robot by the user. For example, the user interaction tactile by pressing a button on the robot 1 or triggering a touch-sensitive sensor (eg bumper switch) of the robot 1.
- the targeted triggering another sensor such as accelerometer, gyroscope, RadANDschalter, soil sensor, crash sensor or Sensors for measuring distances to obstacles
- by the user for example, by lifting, bumping, moving or rotating the Robot is possible.
- the user more accurate instructions, for example, displayed on the mobile device.
- the button to be operated light up or blink.
- the robot 1 sends the communication according to step (e) Server 3 a confirmation. Otherwise, the control of the robot via the communication server 3 by means of the mobile terminal 2 is denied.
- a digital certificate is stored on the mobile terminal 2, by means of which it can prove the authorization of the controller of the robot 1 in the communication server 3.
- the interaction between the user and the robot can also be that the user scans a code (for example bar code or QR code) arranged on the robot or displayed on a display of the robot by means of a camera installed in the mobile terminal.
- the scanned code is then transmitted via the server 3 to the robot 1, which can then verify the code (the code is also stored in a non-volatile memory in the robot).
- the code may e.g. a unique identifier for the robot (UID, e.g. consisting of model and serial numbers) or a (pseudo) random code or a digital certificate.
- the robot must display the QR code on a display on the robot.
- This code is usefully other than the above-described step (b) transmitted to the server identifier.
- at least one checksum or a hash value can also be scanned and transmitted.
- step (d) Another possible direct user interaction according to step (d) would be a short-range communication link between robot 1 and mobile terminal 2.
- various methods such as a wired connection, for example by means of USB or wireless connection, for example by means of Bluetooth, NFC or infrared can be used .
- the communication server 3 via the robot 1 a digital certificate to the mobile Send terminal 2, with which it can prove the authorization of the controller of the robot 1 in the future in the communication server 3.
- the certificate would have to be transmitted to the robot, for example by means of an infrared or Bluetooth data connection.
- the procedure just described is preferably carried out for each robot 1 and for each user and / or each mobile terminal 2.
- a user can display a cleaning card of the robot, while a second user additionally has the authorization to display current monitoring recordings recorded by the robot.
- the desired autonomous activity of an autonomous mobile robot 1 is to provide the user with information about the results of the activities performed by the robot and possible problems encountered during the activity. For example, the robot can inform a user that a room can not be cleaned due to a closed door. However, this information is relevant to a user only if he can change this state. If the user is currently on the move (ie he is not near the robotic area) and gets such a message ("door locked"), then the user can not change the situation at that time - the message can be annoying or even annoying It may be that the user has forgotten the message until his coming home, so whether and when information to the user makes sense can therefore depend on the location of the user.
- the relevance of messages is distinguished according to whether the user is at home, traveling or coming home.
- the user When the user is at home, he may be interested in notifications when the robot intends to begin a potentially disruptive activity for the user. This is for example the cleaning of a room.
- Another interesting notification is when the robot detects a problem (such as a closed door) that the robot can not solve on its own.
- the user If the user is not at home, For example, he may be interested in the safety information of a surveillance robot or serious problems (for example, the robot can not start a scheduled cleaning because it is locked in a room or on the wrong floor).
- the service robot carries out monitoring tasks (night-watch function)
- different alarms may be triggered in certain events, for example depending on whether the user is present. If the user was absent and comes home, he or she may be interested in the status of the home (such as the cleaning result) and any indication of issues that the robot was unable to solve independently during the user's absence.
- the messages of the robot to the user may include his own functional area but also go beyond. Two examples are shown in FIG.
- the robot 1 can remind the user (who carries the terminal 2 with him), for example, when leaving his apartment at different things. So he can alert him when a household appliance such as the stove is still on or a window is open. Here he can take on tasks that are solved alternatively by complex sensors.
- the robot may alert the user when leaving his home that he has forgotten an item G he normally carries with him (such as a smartwatch or a purse). This may be learned by the robot 1 over time or adjusted by the user.
- the robot 1 is set up so that it can detect the presence or position of the object (for example a smartwatch S or a wallet W).
- this detection can be detected by an active radio signal via Bluetooth, for example.
- the article eg the wallet W
- the article can be identified by an RFID chip R (RFID tag) and thus uniquely identified and located by the robot 1.
- the robot may need to leave the apartment. If the robot now finds that a user has left the house without a purse, he can send him a message. Alternatively, the user can make a request to the robot, if he knows the position of the purse. The corresponding answer can be dependent on the position of the user. If the user is at home, the robot can indicate the exact position and / or even lead the user to the searched wallet. If the user is on the road, the answer "The purse is at home" is quite sufficient.
- the robot can check the presence of all users and send a corresponding message to the appropriate user (s). For example, two people may live in a household who are allowed to control the robot. Now, if the robot 1 detects a problem such as a locked door, which he can not solve alone, so he checks which of the two people is at home and specifically informs this person by sending a message to the terminal of this person.
- connection between a robot 1 and a mobile terminal 2 (ie wireless direct connections as well as connections via a router or a communication server 3 accessible only via the Internet outside the local network).
- an estimate of the user's location is easily made.
- the type of a connection locally or via the communication server
- the user is on the way.
- a direct connection to a mobile terminal 2 which the user normally carries with him, is an indication that the user is at home. From the change between direct connection and use of the communication server 3, it can therefore be recognized whether the user leaves his home or just arrives.
- FIG. 8 An example in FIG. 8 is shown for this purpose. Accordingly, the user may be, for example, in the garden of his house, in which the direct connection (see Fig. 4, connection Cl) is not sufficient, whereby a connection via the communication server 3 is established.
- the communication server 3 By evaluating frequently available in mobile terminals 2 geo-coordinates (determined, for example, by GPS, Global Positioning System) of the mobile terminal 2 can be determined (by the robot 1 or by the communication server 3), for example, that the user in the immediate vicinity of the application area G of Robot 1 is located and corresponding information can be done.
- the robot 1 sends a message M to the terminal to inform the user that there is a problem, eg that the robot got stuck.
- GPS stands here for all satellite navigation systems (such as GLONASS, Galileo, Beidou, etc.).
- Other methods to determine the geo-coordinates of the mobile terminal 2 eg triangulation of mobile masts, GSM location) are possible.
- the mobile terminal can, for example, regularly send its GPS position to the server 3, and the robot can query the position of the terminal 2 from the server 3. Alternatively, the server 3 can forward a query of the GPS position to the terminal 3 and in turn forward the associated response to the robot 1.
- the robot can use sensors such as a camera or a microphone to perceive a person's movements.
- sensors such as a camera or a microphone to perceive a person's movements.
- algorithms for facial recognition can be used.
- the usage activity can be checked and based on this It is decided whether information is transmitted to the mobile terminal 2. Also with the help of other devices such as an alarm system, the presence of a user can be determined.
- a command of the user to a device may be an indication that he wants to leave the house. For example, he can be brought by a transport robot street shoes. The transport robot shares this command with a second robot, which is used for monitoring and / or cleaning the house, whereupon it automatically performs one of the above-described inspections for forgotten items, open windows, etc.
- a cleaning robot could additionally check if all the areas to be cleaned are accessible, and possibly alert the user to a closed door before the user leaves the house.
- the mobile robot 1 can easily send a message to the user when there is a connection to the mobile terminal 2. If there is no direct wireless connection, the robot can use other messaging services, such as e-mail, SMS, or push service, such as the Apple Push Notification Service or Google Cloud Messaging. This notification path can be initiated directly by the robot 1 or, alternatively, by the communication server 3.
- the robot may first try to send a message to the mobile terminal via a direct connection. If this does not work, it can be sent to the communication server.
- the communication server can try again to send this message directly to the mobile device. For example, he waits for a predetermined time for the mobile terminal to contact him. After this time, the communication server can send, for example, a push notification or SMS.
- the robot after the user has left the house, specifically control whether windows and front doors are closed and / or electrical appliances switched off, and if necessary automatically close or switch off the electrical appliances and / or the user on a critical Inform condition (as described in the previous section).
- the robot can drive into the hall to greet and entertain him or bring his slippers.
- the robot can start a cleaning of the corridor to eliminate pollution brought in by street shoes.
- the robot tries to detect whether the user has left the corridor or waits for a previously defined time.
- Another possibility is a transport robot, which offers the user coming home to transport any purchases made, for example, in the kitchen.
- the autonomous mobile robot has a map of its application, with which he can navigate well through the application area. Certain positions or sub-areas of the robotic area may be linked to specific actions that are triggered when a user reaches or leaves the house. The linking of the area with a corresponding action can be done by the user. In order to further improve the utility value, the robot can be designed to automatically recognize and store the relevant areas.
- a user may choose to be greeted by his robot for entertainment purposes ("hallway” link with “welcome” action at the "homecoming user” event) and / or offer an activity such as the transportation of purchases as he moves to
- the robot can now learn the areas relevant for this task or derive them from a map by interpretation on the basis of specifiable criteria.
- the map of the application area may have been subdivided by the robot into subregions which correspond, for example, to the rooms of an apartment.
- the user may have assigned designations (tags) such as "living room", “kitchen” or “corridor” to these areas.
- tags such as "living room", “kitchen” or "corridor” to these areas.
- Other methods by which the robot can recognize the function of a region are known per se (e.g., identifying typical objects by image processing).
- the robot can now approach the designated "corridor" sub-area.
- the robot can learn where the input and output area is for users in its field of application. For example, during a first reconnaissance trip through the area of use (where the card is being set up), the robot can detect (for example by informing a mobile terminal) that the user is coming home. The robot will then search the user within his field of application. The position at which the robot finally discovers the user is stored. In a next run, the robot can first approach the stored position, which means that he will find the user much faster. The position at which the robot discovers the user is saved again. After a few repetitions, the position thus determined and stored will describe the input and output area quite well. He can share this information with other robots.
- the robot When the robot detects that a user is reaching or leaving the robotic area, it may happen that he is currently engaged in another activity. In this case, the robot must check if it interrupts this activity to the new one To carry out the activity. For example, the robot may have the task of cleaning the corridor after the user has come home. Now, if the robot is just charging its battery, it may be better to postpone cleaning until the battery is fully charged. In other cases, a shift does not make sense, so the task is completely omitted. For example, the cleaning robot could be on a different floor and could not reach the corridor. In addition, the robot can make the start, the postponement or the omission of an action also dependent on whether other users of the robot are present or absent in the house.
- robots that, for example, outsource card data to an external computer or to a cloud service.
- connections to the computer breaks down, they can no longer do their job.
- all data that the robot needs to perform its intended task such as map data for navigation but also connection data to local networks are stored in the robot.
- user-specific data may also be stored on the robot and thus be available from different terminals. For example, the user can set up his robot with the aid of a first terminal, such as a tablet PC.
- the user may name the robot, enter calendar entries for future tasks of the robot, or enter the map data by naming areas and subdomains (eg, designating rooms as "living room,””bedroom,") Personalize definition of restricted areas.
- this personalized data should also be available.
- a common solution is to store this data in cloud storage, making it available to the user from a variety of devices.
- the control and control of the robot is dependent on an Internet connection of the mobile terminal. Therefore, according to the embodiments described herein, the personalized data may also be stored on the robot and thus accessible from any terminal that can connect to the robot.
- a robot may also happen that multiple users use a robot.
- user management may prioritize users and / or devices that wish to make changes to the robot at the same time. For example, a first user can tell the robot via the communication server that he should clean. A second user, who is at home at this time, may feel disturbed by this and therefore send the robot to his base via a local connection. In this case, the instruction would be given a higher priority over the local network and executed. The first user will be informed if necessary.
- the users can be granted different permissions. For example, one user in one schedule (calendar function) can assign tasks to the robot, while a second can only view the scheduled time periods. Furthermore, it can be stored in a calendar entry, which user has initiated this entry. If the entry is changed by another user, the first user receives information about it. If necessary, he can confirm or revoke the change.
- one schedule can assign tasks to the robot, while a second can only view the scheduled time periods.
- it can be stored in a calendar entry, which user has initiated this entry. If the entry is changed by another user, the first user receives information about it. If necessary, he can confirm or revoke the change.
- users and / or terminals can be set on the robot, which users and / or terminals are informed of a particular event. Furthermore, it can be set which mobile terminals can be used to determine the position of a user to send the above-described position-dependent (depending on the whereabouts of the user) notifications. For example, a smartwatch or a smartphone, which the user normally carries with him, is used, whereas a tablet PC, which is often left at home, is ignored.
- the two or more robots When using multiple robots in a household, the two or more robots will talk about the user's personal settings. Thus, the user only has to personalize the map of a first robot once, for example by naming areas and subareas. The first robot then communicates this personalized map data to a second robot. This happens, for example, over a direct wireless connection such as Bluetooth or via a local area network such as a WLAN.
- the exchange of map data between the robots allows a general improvement of the map data available to a robot.
- a vacuum robot and a wiper robot can be used in an apartment, wherein the wiper robot, for example, does not drive a carpet.
- the wiping robot receives additional information about its surroundings. In addition, he can show the user the same card as the vacuum robot.
- the vacuum robot can inform the wiper robot about a user command for cleaning the apartment and also tell which wipeable surfaces he has already sucked.
- this allows the robots to use each other as a backup, allowing easy replacement of a defective robot.
- a robot is used in a house with two floors in each floor.
- the robot from the first floor can be used directly on the second floor without additional exploration.
- a newly acquired by the user robot can get the map and other data from an already used in the household robot, which significantly reduces the effort required to set up a robot. For example, this eliminates a reconnaissance trip, in which the robot gets to know his area of application to build a map.
- this can be used to store additional data that is not immediately necessary for a robot to perform a task.
- the robot may have data about the course of its activity for a given period of time. Due to the limited memory of a robot, this period is severely limited.
- the communication server or a cloud storage can be used.
- the server can also be used for a backup of the robot, which offers the advantages of a backup described above, especially when using only one robot.
Abstract
Description
Claims
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CN108602188A (en) | 2018-09-28 |
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