CN116934232A - Unmanned aerial vehicle ranging and virtual reality-based wharf port unloading management method - Google Patents

Unmanned aerial vehicle ranging and virtual reality-based wharf port unloading management method Download PDF

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CN116934232A
CN116934232A CN202311210618.6A CN202311210618A CN116934232A CN 116934232 A CN116934232 A CN 116934232A CN 202311210618 A CN202311210618 A CN 202311210618A CN 116934232 A CN116934232 A CN 116934232A
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unmanned aerial
aerial vehicle
ranging
ground
container
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张�杰
赵伟丽
于守水
刘尚旗
刘福乾
李磊
薛振
董怡
薛松
王钦斌
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Qianwan Port Area Branch Of Qingdao Port International Co ltd
Qingdao Port International Co Ltd
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Qianwan Port Area Branch Of Qingdao Port International Co ltd
Qingdao Port International Co Ltd
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S17/00Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
    • G01S17/02Systems using the reflection of electromagnetic waves other than radio waves
    • G01S17/06Systems determining position data of a target
    • G01S17/08Systems determining position data of a target for measuring distance only
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/083Shipping
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00Administration; Management
    • G06Q10/08Logistics, e.g. warehousing, loading or distribution; Inventory or stock management
    • G06Q10/087Inventory or stock management, e.g. order filling, procurement or balancing against orders

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Abstract

The application relates to wharf warehouse management based on unmanned aerial vehicle ranging, in particular to a wharf port unloading management method based on unmanned aerial vehicle ranging and virtual reality, which is characterized in that a warehouse is divided into strip-shaped unit areas, the width of each unit area is equal to the length of a container, a laser ranging device is arranged at the bottom of an unmanned aerial vehicle, the distance between the unmanned aerial vehicle and a ground container is measured in real time in the flying process, after the unfilled position information is obtained, the unmanned aerial vehicle nearby sends a position signal to transportation equipment on the ground, the ground transportation equipment goes to unloading according to the received position signal, information about whether the warehouse is full of the warehouse is obtained in a ranging mode of the unmanned aerial vehicle, and then the information is used for unloading management.

Description

Unmanned aerial vehicle ranging and virtual reality-based wharf port unloading management method
Technical Field
The application relates to the technical field of wharf warehouse management of unmanned aerial vehicle ranging, in particular to a wharf port unloading management method based on unmanned aerial vehicle ranging and virtual reality.
Background
The port is an important component in transportation, the port area of the port generally has the characteristics of large occupied area, complicated goods, more vehicles entering and exiting, and the like, and a plurality of troubles are brought to the management of the port by daily operators and port area management staff, such as uncontrolled operation of a card collecting operation driver in the port area, high site safety accident rate, wrong stack walking, wrong cargo loading, incapability of executing operation instructions and real-time monitoring. Even if the harbor area of the harbor invests high labor cost, the following problems still exist in harbor management: personnel and vehicles entering and exiting the harbor area cannot quickly find corresponding office places, the office efficiency is low, and the customer satisfaction is low; meanwhile, the goods are complicated, and the management of the goods is plagued by how to accurately and quickly find the target goods and calculate the stock of various sundries.
The existing unloading management method is characterized in that the whole view of the port cargoes is mapped into a computer, then the analysis of which position has space is carried out, and then ground machinery is arranged for loading and unloading, but the method can accurately obtain the whole view of a warehouse in real time only by a large amount of data acquisition.
Disclosure of Invention
Aiming at the defects of the prior art, the application aims to provide a wharf port unloading management method based on unmanned aerial vehicle ranging and virtual reality, which can reasonably arrange the taking and placing of cargoes in a warehouse and reduce the calculated amount.
The above-mentioned application purpose of the application is realized through the following technical scheme: a dock port unloading management method based on unmanned aerial vehicle ranging and virtual reality comprises the following steps: preparing, namely dividing a warehouse into strip-shaped unit areas, wherein the width of each unit area is equal to the length of a container, arranging a laser ranging device at the bottom of the unmanned aerial vehicle, and measuring the distance between the unmanned aerial vehicle and a ground container in real time in the flight process; secondly, the obtained information is arranged into the total number of the containers which can be accommodated in the unit area; thirdly, sending the obtained information of the total number of containers which can be accommodated in each unit area to ground transportation equipment; fourth step: the ground transportation facility will go to discharge based on the received position signal.
Through adopting above-mentioned technical scheme, firstly, through banding unit district, can let unmanned aerial vehicle's single flight obtain the goods loading condition of a unit district, through unmanned aerial vehicle range finding's mode, only need learn the goods loading condition of position through the distance between unmanned aerial vehicle and ground or container, need not scan the warehouse general view and carry out pixel calculation and processing to the photo, greatly reduced calculated amount, it can hold the total number of container to arrange into this unit district to get information, send to transportation equipment, idle equipment also has reduced calculated amount in the map for searching through transportation equipment, because if idle equipment need establish the map coordinate system in the transportation equipment searching map, then through the searching of transportation equipment end, first establish map coordinate system and navigation system just is a huge calculated amount, prior art generally relies on satellite positioning or current map company cooperation just can accomplish, the independent degree of difficulty of accomplishing of independent warehouse management company is very big.
Further, the specific method for arranging the obtained information into the unit area and accommodating the total number of the containers in the second step is as follows: the flying height of the unmanned aerial vehicle is set firstly, a laser ranging device is arranged at the bottom of the unmanned aerial vehicle, the height of each container and the layer number of the container which can be placed in the warehouse are set, the distance between the bottom of the unmanned aerial vehicle and a ground object is measured in real time through the laser ranging device at the bottom of the unmanned aerial vehicle, if the distance is equal to the distance between the unmanned aerial vehicle and the ground, the space is the empty warehouse, the space is calculated to be 0, if the distance between the bottom of the unmanned aerial vehicle and the ground object is equal to the distance between the unmanned aerial vehicle and the ground minus the height of one container, the space is indicated to be placed with one container, the space is calculated to be 1 at the moment, two containers are calculated to be 2, three containers are calculated to be 3, and when the number of containers is equal to the layer number of the container which can be placed in the warehouse.
By adopting the technical scheme, the total number of the containers which can be accommodated in the unit area is obtained by subtracting the total number of the containers in the unit area calculated by the unmanned aerial vehicle from the total number of the containers in the whole unit area.
Further, the specific method for sending the obtained information of the total number of containers which can be accommodated in each unit area to the ground transportation equipment in the third step is as follows: be equipped with a middle part traffic transportation road, then the starting end of every unit district is located the roadside of traffic road, set up a signal transceiver at the roadside of traffic road, after unmanned aerial vehicle flies a unit district, after the signal transceiver of way, with the cargo carrying condition of this unit district, this unit district can hold the total number of container and send for signal transceiver promptly, judge whether to get into this unit district and unload after judging when the transportation equipment on ground passes this transceiver can hold the total number of container in this unit district, if confirm then send to all ground transportation equipment and go to the information, make the judgement of specific unloading after letting other transportation equipment obtain this information.
Through adopting above-mentioned technical scheme, unmanned aerial vehicle only need come and go the beginning end to the terminal section of every unit district, then send the information that will obtain after the calculation to signal transceiver, as long as just can obtain the goods of every unit district when transportation equipment passes and whether full storehouse, convenient high efficiency.
Further, a simple map is arranged at the transportation equipment, all the unit areas and the unit numbers marked from one end to the other end of each unit area are arranged in the simple map, and the information obtained by the ground transportation equipment comprises the total number of the containers which can be contained in the unit areas and the number of the containers which are arranged in each unit number of the unit areas.
Further, a central control room is further arranged, the signal receiving and transmitting devices are in communication connection with the main control room, the central control room receives information sent by each signal receiving and transmitting forward position information forward signals to the central control room after the transport equipment confirms to go to the unloading place, a simulation image is arranged in the central control room, all position points of a warehouse are displayed in the simulation image, goods storage conditions are displayed after the position signals are received, and transport equipment and a forward path of the transport equipment are displayed after the forward signals are received.
Through adopting above-mentioned technical scheme, through the simulation of central control room to the scene actual conditions, can be convenient for to the control of scene goods stock condition and vehicle running condition, unmanned aerial vehicle sends the goods information in real time, can obtain accurate stock condition in real time, avoids the record mode among the prior art to make mistakes easily and leads to the trouble that needs frequent inventory.
Further, a local area network is arranged between the transportation devices, and the forward signal of each transportation device is shared in real time.
Furthermore, when the central control room finds that different transport equipment selects the same cargo transport place, the central control room gives a warning in time.
Further, the central control room is split screen to each transport equipment.
Further, after the unmanned aerial vehicle flies from the first unit area, the unmanned aerial vehicle flies to the next unit area and simultaneously passes through the transportation road of the transportation equipment, and when the laser ranging device on the unmanned aerial vehicle flies above the transportation equipment, the cargo condition of the last unit area just obtained is sent to the transportation equipment below the unmanned aerial vehicle.
By adopting the technical scheme, because the transportation equipment runs on the land along the road, if the goods storage condition of the unit area obtained by the unmanned aerial vehicle is issued to the transportation equipment on the land according to the linear distance, the actual transportation distance ratio is not nearest, but the linear distance is nearest, so that the transportation efficiency is affected, and in addition, the support of satellite positioning is needed for directly sending and positioning to other transportation equipment, and only the support of a local area network is needed for sending information after the unmanned aerial vehicle flies above the transportation equipment.
The application further aims to provide a unloading management system, which comprises an unmanned aerial vehicle ranging module, wherein the unmanned aerial vehicle ranging module is in signal connection with a central control module, a display screen is arranged on the central control module, the unmanned aerial vehicle ranging module is in signal connection with a mobile transportation module, the mobile transportation module is positioned on transportation equipment on land, the central control module divides information on the display screen onto the mobile transportation module on land machinery, the specific ranging mode of the unmanned aerial vehicle ranging module is that laser ranging is carried out in real time to the ground, a laser signal is sent in real time, when the laser signal returns to the unmanned aerial vehicle, the distance between the unmanned aerial vehicle and the ground is obtained through the returning time, and then the height of a container is known.
Through adopting above-mentioned technical scheme, unmanned aerial vehicle range finding module obtains unmanned aerial vehicle to ground or to the container between the distance, and the distance is short just is the position of filling the goods, and the distance is long just empty bin, just knows how many layers of containers have been adorned here according to the height of container and the distance that unmanned aerial vehicle measured, sends this information to the removal transport module, carries out the shipment to empty bin after the removal transport module obtains information.
In summary, the present application includes at least one of the following beneficial technical effects:
1. firstly, through the strip-shaped unit area, the cargo loading condition of a unit area can be obtained through single flight of an unmanned aerial vehicle, through the ranging mode of the unmanned aerial vehicle, the cargo loading condition of the position is only needed to be known through the distance between the unmanned aerial vehicle and the ground or a container, pixel calculation and processing are carried out on photos after the whole warehouse is not needed to be scanned, the calculated amount is greatly reduced, the obtained information is arranged into the total amount of the unit area which can also contain the containers and is sent to the transportation equipment, compared with the case that the transportation equipment searches for idle equipment in a map, the calculated amount is reduced, because if the transportation equipment searches for the idle equipment in the map, the map coordinate system is firstly established and the navigation system is quite large calculated amount through the searching of the transportation equipment, the prior art generally depends on satellite positioning or the cooperation of the existing map company, and the independent completion difficulty of independent warehouse management companies is quite large.
2. When unmanned aerial vehicle flies through every cell, unmanned aerial vehicle flies under the circumstances of same altitude flight, and the altitude of flight is if becoming small, is there just one container, if the altitude of becoming small equals the altitude of two containers, is there two containers in this place, through the mode of count, obtains the total number that whole cell has the container, subtracts the total number that this cell that unmanned aerial vehicle calculated obtained through the total number of containers that whole cell can hold and has the container total number that this cell can also hold.
3. The arrangement of the signal receiving and transmitting device realizes that the unmanned aerial vehicle only needs to go to and from the starting end to the end section of each unit area, then the obtained information is sent to the signal receiving and transmitting device after calculation, and whether the goods in each unit area are full of the warehouse or not can be obtained only when the transportation equipment passes by, so that the unmanned aerial vehicle is convenient and efficient.
4. The method only needs to know whether each position is placed with the container without seeing the container, the prior art shoots the container through the upper part of each container to obtain the whole appearance, and then obtains the number of the containers at each position through pixel analysis, the calculation amount is greatly reduced, however, a plurality of unmanned aerial vehicles are required to work simultaneously in a way of scanning the whole appearance of the port, the flying speed of the unmanned aerial vehicles is limited in the shooting process, the ranging can fly faster, compared with the way of scanning the whole appearance of the port, a plurality of unmanned aerial vehicles are saved in the ranging way, if other ways are adopted to obtain whether each position is placed with the container, a great deal of manpower and material resources are needed, such as before driving, the prior art records the goods placement condition of each area through the processes of loading, placing and unloading of the port, but the recording accuracy and the required manpower and material resources are still great, the goods are generally recorded after the goods are transported from the port to the ship, and the ship is unloaded from the position where the ship is loaded again, and the time is not needed.
Detailed Description
The present application will be described in further detail below.
The dock port unloading management method based on unmanned aerial vehicle ranging and virtual reality comprises the following steps: the method comprises the steps of preparing, dividing a warehouse into strip-shaped unit areas, wherein the width of each unit area is equal to the length of a container, arranging a laser ranging device at the bottom of an unmanned aerial vehicle, and measuring the distance between the unmanned aerial vehicle and a ground container in real time in the flight process. Each cell area is equipped with one unmanned aerial vehicle, and in other embodiments two or three cell areas may share one unmanned aerial vehicle. According to the topography of actual harbour, in fact the harbour has a plurality of regions, and the size width of every region is all different, if the length of this region is shorter, just a plurality of unit areas use an unmanned aerial vehicle, and unmanned aerial vehicle flies after one unit area, flies next unit area again. If the area length is longer, one unmanned plane is independently used for one unit area.
Specifically, the flying height of the unmanned aerial vehicle is set firstly, a laser ranging device is arranged at the bottom of the unmanned aerial vehicle, the height of each container and the layer number of the container which can be placed in the warehouse are set, the warehouse is divided into a plurality of strip-shaped unit areas by taking three layers of containers as an example, the unmanned aerial vehicle flies through the first unit area first, the distance between the bottom of the unmanned aerial vehicle and a ground object is measured in real time through the laser ranging device at the bottom of the unmanned aerial vehicle, if the distance is equal to the distance between the unmanned aerial vehicle and the ground, the unmanned aerial vehicle is an empty warehouse, the unmanned aerial vehicle can be counted as 0, if the distance between the bottom of the unmanned aerial vehicle and the ground object is equal to the distance between the unmanned aerial vehicle and the ground minus the height of one container, the unmanned aerial vehicle is indicated to be placed in the container, the container is counted as 1 at the moment, and the like, and if the container is counted as 3, the warehouse is proved to be full.
For the convenience of understanding, this embodiment uses 3 layers of containers, each layer of container is expressed by 2 meters, the full container state is 6 meters, the unmanned aerial vehicle height is set to 8 meters, the laser ranging device obtains data, if the data is 8 meters, the data is empty, if the obtained height is 6 meters, only one container can be obtained, two containers can be further filled, if the obtained data is 2 meters, three containers are all obtained, the data is full container state, and regarding the container height, the container heights are four according to the current international standard made by the international organization for standardization (ISO) 104 th technical commission, and the container heights are 2896mm, 2591mm, 2438mm and 2385mm respectively. Containers with different sizes and heights are required to be placed at different positions, so that the management is convenient.
And secondly, arranging the obtained information into the total number of the unit areas which can also contain the containers, and specifically subtracting the total number of the unit areas which can be contained by the unit areas from the sum of the counts obtained by the laser ranging device on the unmanned aerial vehicle.
And thirdly, sending the obtained information of the total number of the containers which can be accommodated in each unit area to the ground transportation equipment.
The specific implementation mode is that each area is provided with a middle transportation road, then the starting end of each unit area is located at the roadside of the transportation road, a signal receiving and transmitting device is arranged at the roadside of the transportation road, after an unmanned aerial vehicle flies through one unit area, the signal receiving and transmitting device is arranged on the road, the cargo carrying condition of the unit area is carried, namely, the total number of containers can be contained in the unit area and is transmitted to the signal receiving and transmitting device, the ground transportation equipment obtains the total number of containers which can be contained in the unit area when passing through the receiving and transmitting device, then judges whether the cargo is to enter the unit area for unloading, if yes, the ground transportation equipment transmits forward information to all the ground transportation equipment, and after other transportation equipment obtains the information, specific unloading judgment is made, and the phenomenon that a plurality of transportation equipment go to the same unit area to cause disorder is avoided.
In order to obtain more detailed goods storage conditions in each unit area, the position of each container in each unit area is matched with a unit number, when the unmanned aerial vehicle passes through the signal receiving and transmitting device, the quantity of goods which can be stored on each unit number in each unit area is simultaneously transmitted to the signal receiving and transmitting device, a simple map is arranged at a transportation device, all unit areas and unit numbers marked from one end to the other end of each unit area are arranged in the simple map, and the position signals are the codes of the unit areas and the unit numbers.
In addition, a central control room is arranged, the central control room receives the position signals, and after the transport equipment confirms to go to the unloading place, the transport equipment sends a forward signal carrying forward position information to the central control room, an analog image is arranged in the central control room, all position points of a warehouse are displayed in the analog image, after receiving the position signals, the goods storage condition is displayed, and after receiving the forward signal, the transport equipment and the forward path thereof are displayed.
The local area network is arranged between the transportation devices, the forward signals of each transportation device are shared in real time, in another embodiment, the transportation devices are connected with each other through 4G or 5G communication, and in this embodiment, the local area network arranged between the transportation devices and the local area network arranged by the unmanned aerial vehicle are different networks.
In order to facilitate monitoring and management, when the central control room finds that different transport equipment selects the same cargo transport place, the central control room gives a warning timely, and the central control room divides a screen for each transport equipment.
After the unmanned aerial vehicle flies from the first unit area, the unmanned aerial vehicle flies to the next unit area and simultaneously passes through the transportation road of the transportation equipment, and when the laser ranging device on the unmanned aerial vehicle flies above the transportation equipment, the cargo condition of the last unit area just obtained is sent to the transportation equipment below the unmanned aerial vehicle.
When the unmanned aerial vehicle passes through and flies to the next unit area, information of the last unit area is reserved, and when the next transport equipment is encountered, the information of at least three unit areas is sent to the corresponding transport equipment.
The central control room and the transportation equipment are in the same local area network, after the transportation equipment receives signals sent by any unmanned aerial vehicle, the signals are sent to the central control room in real time for the central control room to reproduce the goods storage condition of each warehouse, and when the transportation equipment selects any final transportation end point, the signals are sent to the central control room in real time.
Embodiment 2 the difference between this embodiment and embodiment 1 is that in the third step, the specific way to send the obtained information of the total number of containers that can be accommodated in each cell area to the transportation device on the ground is that after the unmanned aerial vehicle flies through one cell area, the unmanned aerial vehicle flies along the nearest transportation road, the flying height is unchanged, when the laser ranging device flies above one transportation device, it can be known that the height of the unmanned aerial vehicle from the ground object is the flying height of the unmanned aerial vehicle minus the height of the transportation device, then the transportation device can be known, and the data of the immediately previous cell area is sent to the transportation device.
The specific information sending mode is that a local area network is established, the available transmission range of the local area network is the flying height of the unmanned aerial vehicle, that is, the unmanned aerial vehicle continuously sends the information outwards in real time, and only the transportation equipment under the unmanned aerial vehicle can receive the information, so that errors are avoided, and the available range of the local area network is set to be twice the flying height of the unmanned aerial vehicle.
The arrangement can enable the unmanned aerial vehicle to obtain the cargo loading condition of a unit area in a ranging mode, the cargo loading condition of the position is obtained only through the distance between the unmanned aerial vehicle and the ground or a container, pixel calculation and processing are carried out on photos after the whole warehouse is not required to be scanned, the calculated amount is greatly reduced, the obtained position set which is not filled with cargoes is sent to the transportation equipment on the ground in situ, compared with the situation that the transportation equipment searches for idle equipment in a map, the calculated amount is reduced, because if the transportation equipment searches for the idle equipment in the map, a map coordinate system is required to be established, and then the searching at the end of the transportation equipment is carried out, the map coordinate system and a navigation system are relatively huge calculated amount, the prior art generally depends on satellite positioning or the cooperation of the existing map company, and the independent completion difficulty of a single warehouse management company is quite high.
The furthest end from the port to the warehouse is provided with a transport road capable of going back and forth. The unmanned aerial vehicle flies from a distance, namely from a place far away from the port to a place near the port, and the unloading sequence is from one end near the port to one end far away from the port, so that the transportation equipment flies from the place near the port to a place far away from the port in the warehouse.
According to the unloading management system based on the unloading management method, the unmanned aerial vehicle ranging module is connected with the central control module through signals, the central control module is provided with the display screen, the unmanned aerial vehicle ranging module is connected with the mobile transport module through signals, the mobile transport module is located on the transportation equipment on land, the central control module divides information on the display screen to the mobile transport module on land machinery, the specific ranging mode of the unmanned aerial vehicle ranging module is that laser ranging is conducted in real time to the ground, laser signals are sent in real time, when the unmanned aerial vehicle is returned to the unmanned aerial vehicle, the distance between the unmanned aerial vehicle and the ground is obtained through the returning time, and then the height of a container is known.
The unmanned aerial vehicle ranging module obtains unmanned aerial vehicle to ground or to the distance between the container, and the distance is short just is filling the position of goods, and the distance is long just empty storehouse, just knows how many layers of containers have been adorned here according to the distance of the height of container and unmanned aerial vehicle measurement, sends this information to the removal transport module, carries out the shipment to empty storehouse after the removal transport module obtains information.
The embodiments of the present application are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A dock port unloading management method based on unmanned aerial vehicle ranging and virtual reality is characterized in that: the first step: preparing, namely dividing a warehouse into strip-shaped unit areas, wherein the width of each unit area is equal to the length of a container, arranging a laser ranging device at the bottom of the unmanned aerial vehicle, and measuring the distance between the unmanned aerial vehicle and a ground container in real time in the flight process; secondly, the obtained information is arranged into the total number of the containers which can be accommodated in the unit area; thirdly, sending the obtained information of the total number of containers which can be accommodated in each unit area to ground transportation equipment; fourth step: the ground transportation facility will go to discharge based on the received position signal.
2. The method for dock port unloading management based on unmanned aerial vehicle ranging and virtual reality according to claim 1, wherein the specific method for arranging the obtained information into the total number of containers which can be accommodated in the cell in the second step is as follows: the flying height of the unmanned aerial vehicle is set firstly, a laser ranging device is arranged at the bottom of the unmanned aerial vehicle, the height of each container and the layer number of the container which can be placed in the warehouse are set, the distance between the bottom of the unmanned aerial vehicle and a ground object is measured in real time through the laser ranging device at the bottom of the unmanned aerial vehicle, if the distance is equal to the distance between the unmanned aerial vehicle and the ground, the space is the empty warehouse, the space is calculated to be 0, if the distance between the bottom of the unmanned aerial vehicle and the ground object is equal to the distance between the unmanned aerial vehicle and the ground minus the height of one container, the space is indicated to be placed with one container, the space is calculated to be 1 at the moment, two containers are calculated to be 2, three containers are calculated to be 3, and when the number of containers is equal to the layer number of the container which can be placed in the warehouse.
3. The method for managing the unloading of the wharf port based on unmanned aerial vehicle ranging and virtual reality according to claim 2, wherein the specific method for transmitting the obtained information of the total number of containers which can be accommodated in each cell area to the transportation equipment on the ground in the third step is as follows: be equipped with a middle part traffic transportation road, then the starting end of every unit district is located the roadside of traffic road, set up a signal transceiver at the roadside of traffic road, after unmanned aerial vehicle flies a unit district, after the signal transceiver of way, with the cargo carrying condition of this unit district, this unit district can hold the total number of container and send for signal transceiver promptly, judge whether to get into this unit district and unload after judging when the transportation equipment on ground passes this transceiver can hold the total number of container in this unit district, if confirm then send to all ground transportation equipment and go to the information, make the judgement of specific unloading after letting other transportation equipment obtain this information.
4. A quay unloading management method based on unmanned aerial vehicle ranging and virtual reality according to claim 3, wherein a simple map is set at the transportation device, and the simple map has all the cell areas and the cell numbers marked from one end to the other end of each cell area, and the information obtained by the ground transportation device includes the total number of containers which can be accommodated in the cell area and the number of containers which are provided in each cell number of the cell area.
5. The dock unloading management method based on unmanned aerial vehicle ranging and virtual reality according to claim 4, further comprising a central control room, wherein the signal receiving and transmitting devices are in communication connection with the master control room, the central control room receives information sent by each signal receiving and transmitting a forward position information forward signal to the central control room after the transport equipment determines to forward to an unloading place, an analog image is arranged in the central control room, all position points of the warehouse are displayed in the analog image, the goods storage condition is displayed after the position signals are received, and the transport equipment and the forward path thereof are displayed after the forward signal is received.
6. The unmanned aerial vehicle ranging and virtual reality-based dock unloading management method according to claim 5, wherein a local area network is arranged between the transport devices, and the forward signals of each transport device are shared in real time.
7. The unmanned aerial vehicle ranging and virtual reality-based dock unloading management method according to claim 6, wherein when a central control room finds that different transport devices select the same cargo transport site, an alarm is given in time.
8. The unmanned aerial vehicle ranging and virtual reality-based dock discharge management method of claim 5, wherein the central control room is split screen to each transport device.
9. The dock unloading management method based on unmanned aerial vehicle ranging and virtual reality according to claim 1, wherein after the unmanned aerial vehicle flies from the first unit area, the unmanned aerial vehicle flies to the next unit area and simultaneously passes through the transportation road of the transportation equipment, and when the laser ranging device on the unmanned aerial vehicle flies above the transportation equipment, the cargo condition of the last unit area just acquired is sent to the transportation equipment below the unmanned aerial vehicle.
10. The unloading management system for the unloading management method according to any one of claims 1-9, comprising an unmanned aerial vehicle ranging module, wherein the unmanned aerial vehicle ranging module is in signal connection with a central control module, a display screen is arranged on the central control module, the unmanned aerial vehicle ranging module is in signal connection with a mobile transport module, the mobile transport module is positioned on a transport device on land, the central control module divides information on the display screen to the mobile transport module on land machinery, a specific ranging mode of the unmanned aerial vehicle ranging module is that a laser signal is sent to the ground in real time through real-time laser ranging, when the laser signal returns to the unmanned aerial vehicle, the distance between the unmanned aerial vehicle and the ground is obtained through returning time, and the height of a container is known.
CN202311210618.6A 2023-09-19 2023-09-19 Unmanned aerial vehicle ranging and virtual reality-based wharf port unloading management method Pending CN116934232A (en)

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CN110220548A (en) * 2019-06-26 2019-09-10 西安微电子技术研究所 A kind of detection device and detection method based on distance measurement container packing situation
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