CN110098860B

CN110098860B - Unmanned aerial vehicle data transmission system and data transmission method based on block chain technology

Info

Publication number: CN110098860B
Application number: CN201910372034.6A
Authority: CN
Inventors: 牛麒雅; 尉志青; 沈伟鹏; 谢伟成; 冯志勇; 李炜琛; 韦瑞
Original assignee: Beijing University of Posts and Telecommunications
Current assignee: Beijing University of Posts and Telecommunications
Priority date: 2019-05-06
Filing date: 2019-05-06
Publication date: 2020-08-28
Anticipated expiration: 2039-05-06
Also published as: CN110098860A

Abstract

The embodiment of the invention provides an unmanned aerial vehicle data transmission system and a data transmission method based on a block chain technology, wherein the method comprises the following steps: the user terminal sends the received user information and/or instruction information to the block chain server; the block chain server receives and stores user information and/or instruction information, stores the user information and/or the instruction information in the intelligent contract, selects an unmanned aerial vehicle for executing instructions after judging that the instruction information in the intelligent contract is a renting instruction or a lending instruction, sends the instruction information to the unmanned aerial vehicle, and sends the instruction information and identification information of the unmanned aerial vehicle to a control system; the control system receives the instruction and the identification information and sends the unlocking instruction to the unmanned aerial vehicle corresponding to the identification information; the unmanned aerial vehicle unlocks by using the unlocking instruction, executes the task and returns execution result data to the block chain server; and the block chain server outputs the execution result data to the user through the user terminal. The embodiment of the invention can improve the data security in the communication process of the unmanned aerial vehicle.

Description

Unmanned aerial vehicle data transmission system and data transmission method based on block chain technology

Technical Field

The invention relates to the technical field of unmanned aerial vehicles, in particular to an unmanned aerial vehicle data transmission system and a data transmission method based on a block chain technology.

Background

An unmanned plane, called a drone for short, is an unmanned plane operated by a radio remote control device and a self-contained program control device, or is completely or intermittently autonomously operated by an on-board computer. The unmanned aerial vehicle is used as a high-technology product in the information era, replaces human beings to finish operation in the air, and executes tasks such as delivery, aerial photography and data acquisition.

With the rapid development of the internet of things, more and more physical devices can be directly connected to the internet through an embedded system, a sensor and the like to complete tasks such as data acquisition and the like, and then task data are sent to a cloud computing system to analyze and store the data, so that corresponding decisions can be made more rapidly. Because unmanned aerial vehicle need receive the instruction or directly receive manual operation and just can carry out corresponding service function, the current method of being applied to unmanned aerial vehicle in the thing networking is: when the unmanned aerial vehicle has a use demand, the user terminal sends a related instruction to the control system, the control system forwards the instruction to the unmanned aerial vehicle, the unmanned aerial vehicle receives the instruction, starts to execute a task corresponding to the instruction, returns data obtained by executing the task to the control system, and the control system forwards the data to the user terminal and forwards the data to the cloud database for storage.

In the existing communication process between an unmanned aerial vehicle and a control system, a user terminal sends data containing instructions to the control system, the control system sends the data to the unmanned aerial vehicle as a transfer, and after the unmanned aerial vehicle finishes a task corresponding to the instructions, the task data are respectively forwarded to the user terminal and a cloud database through the control system, so that the function of the control system is very important. Because the control system needs to send data from the unmanned aerial vehicle to the cloud server and the blockchain network at the same time, the control system needs to process a large amount of data, which means that the control system bears a great amount of computing pressure, and therefore the control system becomes more vulnerable.

Disclosure of Invention

The embodiment of the invention aims to provide an unmanned aerial vehicle data transmission system and a data transmission method based on a block chain technology, so as to improve the data security of an unmanned aerial vehicle in the communication process. The specific technical scheme is as follows:

in a first aspect, an embodiment of the present invention provides an unmanned aerial vehicle data transmission system based on a blockchain technique, where the system includes: the system comprises a user terminal, a block chain server, a control system and an unmanned aerial vehicle; the user terminal is connected with the block chain server through a network, the block chain server is respectively connected with the control system and the unmanned aerial vehicle through the network, and the control system is connected with the unmanned aerial vehicle through the network;

the user terminal is used for receiving user information input by a user and/or instruction information sent by the user, forwarding the user information and/or the instruction information to the block chain server, receiving execution result data forwarded by the block chain server, and outputting the execution result data to the user; the user information includes: the method comprises the steps that a user account, an account password, the number of unmanned aerial vehicles held by a user and user position information are obtained; the instruction information includes: a renting instruction, a lending instruction and an information modifying instruction; the execution result data is data generated after the unmanned aerial vehicle executes a task;

the block chain server is used for receiving and storing the user information and/or the instruction information, storing the user information and/or the instruction information in an intelligent contract, selecting an unmanned aerial vehicle for executing the renting instruction or the lending instruction from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is the renting instruction or the lending instruction, and sending the renting instruction or the lending instruction to the selected unmanned aerial vehicle; and sending the lease instruction or the lending instruction to the control system, wherein the identification information is used for identifying the selected unmanned aerial vehicle; receiving and storing execution result data returned by the unmanned aerial vehicle, storing the execution result data returned by the unmanned aerial vehicle in an intelligent contract, and forwarding the execution result data to the user terminal;

the control system is used for receiving the renting instruction or the lending instruction and the identification information and sending an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information;

the unmanned aerial vehicle is used for receiving the renting instruction or the lending instruction, receiving the unlocking instruction, unlocking by using the unlocking instruction, executing the task corresponding to the renting instruction or the lending instruction, and returning execution result data corresponding to the execution result of the task to the block chain server.

Optionally, the lease instruction comprises: the number of rents of the unmanned aerial vehicles, the information of the use of the rents of the unmanned aerial vehicles, the information of the renting positions of the unmanned aerial vehicles and the renting paths of the unmanned aerial vehicles; the lending instruction comprises: the number of lending of unmanned aerial vehicle, the position information of lending of unmanned aerial vehicle, the use information of lending of unmanned aerial vehicle to and the route of lending of unmanned aerial vehicle.

Optionally, the blockchain server is specifically configured to:

selecting the unmanned aerial vehicle with the closest position distance corresponding to the user position information from the plurality of unmanned aerial vehicles to be selected by utilizing the renting instruction or the lending instruction and the user position information of the user corresponding to the renting instruction or the lending instruction;

or selecting the unmanned aerial vehicle with the highest matching degree with the renting path or the lending path in the renting instruction or the lending instruction from the plurality of unmanned aerial vehicles to be selected by using the renting instruction or the lending instruction.

Optionally, the blockchain server is further configured to:

obtaining real-time status information sent by an unmanned aerial vehicle, the real-time status information comprising: busy state, standby state, low battery state, pending acknowledge state, and abnormal/disabled state.

Optionally, the blockchain server is specifically configured to:

selecting unmanned aerial vehicles which are closest to the position corresponding to the user position information and are in a standby state from a plurality of unmanned aerial vehicles to be selected by utilizing the acquired real-time state information of each unmanned aerial vehicle, the renting instruction or the lending instruction and the user position information of the user corresponding to the renting instruction or the lending instruction;

or, by using the acquired real-time state information of each unmanned aerial vehicle and the renting instruction or the lending instruction, selecting the unmanned aerial vehicle which has the highest matching degree with the renting path or the lending path in the renting instruction or the lending instruction and is in a standby state from the plurality of unmanned aerial vehicles to be selected.

In a second aspect, an embodiment of the present invention provides a method for data transmission of an unmanned aerial vehicle based on a blockchain technology, which is applied to the system for data transmission of an unmanned aerial vehicle based on a blockchain technology in the first aspect, and the method includes:

the user terminal receives user information input by a user and/or instruction information sent by the user, and forwards the user information and/or the instruction information to the block chain server; the user information includes: the method comprises the steps that a user account, an account password, the number of unmanned aerial vehicles held by a user and user position information are obtained; the instruction information includes: a renting instruction, a lending instruction and an information modifying instruction;

the block chain server receives and stores the user information and/or the instruction information, stores the user information and/or the instruction information in an intelligent contract, selects an unmanned aerial vehicle for executing the renting instruction or the lending instruction from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is the renting instruction or the lending instruction, and sends the renting instruction or the lending instruction to the selected unmanned aerial vehicle so that the unmanned aerial vehicle receives the renting instruction or the lending instruction;

the block chain server sends the renting instruction or the lending instruction and identification information for identifying the selected unmanned aerial vehicle to the control system;

the control system receives the renting instruction or the lending instruction and the identification information and sends an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information;

the unmanned aerial vehicle receives the unlocking instruction, utilizes the unlocking instruction to unlock, executes the task corresponding to the received renting instruction or lending instruction, and returns execution result data corresponding to the execution result of the task to the block chain server;

the block chain server receives and stores execution result data returned by the unmanned aerial vehicle, stores the execution result data returned by the unmanned aerial vehicle in an intelligent contract, and forwards the execution result data to the user terminal;

the user terminal receives the execution result data forwarded by the block chain server and outputs the execution result data to a user; the execution result data includes: and after the unmanned aerial vehicle executes the corresponding task, the task is executed.

Optionally, the method further comprises:

the block chain server selects the unmanned aerial vehicle with the closest position distance corresponding to the user position information from the plurality of unmanned aerial vehicles to be selected by utilizing the renting instruction or the lending instruction and the user position information of the user corresponding to the renting instruction or the lending instruction;

or, the blockchain server selects the unmanned aerial vehicle with the highest matching degree with the renting path or the lending path in the renting instruction or the lending instruction from the plurality of unmanned aerial vehicles to be selected by using the renting instruction or the lending instruction.

Optionally, the method further comprises:

the blockchain server acquires real-time status information sent by the unmanned aerial vehicle, wherein the real-time status information comprises: busy state, standby state, low battery state, pending acknowledge state, and abnormal/disabled state.

Optionally, the step of selecting, by the blockchain server, an unmanned aerial vehicle with a closest position distance to a position corresponding to the user position information from a plurality of unmanned aerial vehicles to be selected by using the lease instruction or the lending instruction and the user position information of the user corresponding to the lease instruction or the lending instruction includes:

the block chain server selects an unmanned aerial vehicle which is closest to the position corresponding to the user position information and is in a standby state from a plurality of unmanned aerial vehicles to be selected by using the acquired real-time state information of each unmanned aerial vehicle, the renting instruction or the lending instruction and the user position information of the user corresponding to the renting instruction or the lending instruction;

the step of selecting, by the blockchain server, the unmanned aerial vehicle having the highest matching degree with the lease instruction or the loan instruction from among the plurality of unmanned aerial vehicles to be selected by using the lease instruction or the loan instruction, includes:

and selecting the unmanned aerial vehicle which has the highest matching degree with the renting path or the lending path in the renting instruction or the lending instruction and is in a standby state from the plurality of unmanned aerial vehicles to be selected by utilizing the acquired real-time state information of each unmanned aerial vehicle and the renting instruction or the lending instruction.

The invention provides an unmanned aerial vehicle data transmission system and a data transmission method based on a block chain technology, wherein a user terminal sends received user information input by a user and/or instruction information sent by the user to a block chain server, the block chain server receives and stores the user information and/or the instruction information in an intelligent contract, the block chain server selects an unmanned aerial vehicle for executing instructions from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is a renting instruction or a lending instruction, sends the instruction information to the selected unmanned aerial vehicle, sends the instruction information and identification information selected by the unmanned aerial vehicle to a control system, the control system receives the instruction and the identification information, sends an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information, and unlocks the unmanned aerial vehicle by using the unlocking instruction, and executing the task corresponding to the instruction, returning the execution result data to the block chain server, and outputting the execution result data to the user by the block chain server through the user terminal. In the embodiment of the invention, the user terminal stores the user information and the instruction information into the blockchain server, the blockchain server sends the instruction to the unmanned aerial vehicle, the unmanned aerial vehicle which executes the task is unlocked through the control system, the unmanned aerial vehicle finishes the task and outputs the task result to the user through the user terminal, and the blockchain mainly solves the trust and safety problems of the transaction.

Of course, not all of the advantages described above need to be achieved at the same time in the practice of any one product or method of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a frame of an unmanned aerial vehicle data transmission system based on a blockchain technology according to an embodiment of the present invention;

fig. 2 is a schematic diagram of state information of an unmanned aerial vehicle according to an embodiment of the present invention;

fig. 3 is a flowchart of a method for transmitting data of an unmanned aerial vehicle based on a block chain technique according to an embodiment of the present invention;

fig. 4 is a flowchart of another method for transmitting data of an unmanned aerial vehicle based on a blockchain technique according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the problem of low data security in the communication process of the existing unmanned aerial vehicle and a control system, the embodiment of the invention provides an unmanned aerial vehicle data transmission system and a data transmission method based on a block chain technology.

First, an unmanned aerial vehicle data transmission system based on a block chain technology provided by an embodiment of the present invention is described below.

As shown in fig. 1, fig. 1 is a schematic structural diagram of a frame of an unmanned aerial vehicle data transmission system based on a blockchain technology according to an embodiment of the present invention, where the system may include: the system comprises a user terminal, a block chain server, a control system and an unmanned aerial vehicle; the user terminal is in network connection with the blockchain server, the blockchain server is in network connection with the control system and the unmanned aerial vehicle respectively, and the control system is in network connection with the unmanned aerial vehicle.

And the user terminal is used for receiving user information input by a user and/or instruction information sent by the user, forwarding the user information and/or the instruction information to the block chain server, receiving execution result data forwarded by the block chain server, and outputting the execution result data to the user.

In the embodiment of the present invention, a user may register an account at a user terminal, where the user terminal generates an account for the user and generates a corresponding initial password for the generated account, and one of the selectable generation manners is: the generated initial password is the same as the account number. After receiving user information input by a user, the user terminal forwards the received user information to the blockchain server so that the blockchain server can store the received user information. The user information input by the user may include: the user account number, the account password, the number of unmanned aerial vehicles held by the user, user position information, user identification information and the like. The user location information may be the physical location information where the user is currently located, or may be the physical location information commonly used by the user.

When a user has an operation requirement for the unmanned aerial vehicle, corresponding instruction information can be sent to the user terminal, and after the user terminal receives the instruction information sent by the user, the received instruction information is forwarded to the blockchain server, so that the received instruction information is stored and analyzed by the blockchain server, and the unmanned aerial vehicle is further coordinated to complete a task corresponding to the instruction information. The instruction information sent by the user may include: a lease instruction, a loan instruction, an information modification instruction, etc.

Wherein the lease instruction may include: the number of rents of the unmanned aerial vehicle, the rental purpose information of the unmanned aerial vehicle, the rental position information of the unmanned aerial vehicle, the rental path of the unmanned aerial vehicle, and the like. For example, the number of leases for a drone may be: the number of drones that the user wants to rent. The rental use information of the drone may be: delivery, aerial photography, data acquisition, and the like. The rental location information of the drone may be: the position information corresponding to the position where the unmanned aerial vehicle is going to, and the like. The renting path of the drone may be: the path through which the task required to be executed by the unmanned aerial vehicle is rented is from the physical address A to the physical address B, or the path through which the task required to be executed by the unmanned aerial vehicle is rented is the physical address A or B.

The lending instructions may include: the number of lending of unmanned aerial vehicles, the position information of lending of unmanned aerial vehicles, the use information of lending of unmanned aerial vehicles, and the route of lending of unmanned aerial vehicles etc.. For example, the number of lending of the drones may be: the number of drones that the user can or wants to rent. The lending position information of the unmanned aerial vehicle may be: the current position information of this unmanned aerial vehicle, or the position information that the position that this unmanned aerial vehicle can go to corresponds etc. The lending use information of the unmanned aerial vehicle may be: delivery, aerial photography, data acquisition, and the like. The lending path of the unmanned aerial vehicle may be: the route for renting the unmanned aerial vehicle is from a physical address A to a physical address B, or the route for renting the unmanned aerial vehicle is from the physical address A or the physical address B, and the like.

The information modification instructions may include: the number of the unmanned aerial vehicles held by the user is modified, the position information of the user is modified, the instruction information sent by the user is modified, and the like.

And after the user terminal receives the execution result data forwarded by the block chain server, outputting the execution result data to the user, wherein the execution result data is data generated after the unmanned aerial vehicle executes the task.

The block chain server is used for receiving and storing user information and/or instruction information, storing the user information and/or the instruction information in the intelligent contract, selecting an unmanned aerial vehicle for executing a renting instruction or a lending instruction from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is the renting instruction or the lending instruction, and sending the renting instruction or the lending instruction to the selected unmanned aerial vehicle; and sending the lease instruction or the lending instruction to the control system, wherein the identification information is used for identifying the selected unmanned aerial vehicle; and receiving and storing the execution result data returned by the unmanned aerial vehicle, storing the execution result data returned by the unmanned aerial vehicle in the intelligent contract, and forwarding the execution result data to the user terminal.

In the embodiment of the present invention, an optional implementation manner may be: the block chain server distributes a private block for each unmanned aerial vehicle, and when the block chain server receives the user information and/or the instruction information forwarded by the user terminal, the received user information and/or the instruction information are stored in the corresponding private block.

The blockchain server stores the received user information and/or instruction information in the intelligent contract so as to facilitate the intelligent contract to audit the integrity and consistency of all data. The intelligent contract is pre-edited and stored in the blockchain server for engagement of the command information of the user with the mission between the drones. After the instruction information in the intelligent contract is judged to be a renting instruction or a lending instruction, the block chain server selects the unmanned aerial vehicle executing the renting instruction or the lending instruction from the multiple unmanned aerial vehicles to be selected.

As an optional implementation manner of the embodiment of the present invention, the implementation manner in which the blockchain server selects the unmanned aerial vehicle for the lease instruction or the loan instruction may be:

the block chain server may select, from the plurality of unmanned aerial vehicles to be selected, an unmanned aerial vehicle whose position distance corresponding to the user position information is the closest, by using information included in the lease instruction or the loan instruction, and the user position information of the user corresponding to the lease instruction or the loan instruction. The position closest may be: the physical distance corresponding to the physical position of the user and the physical position of the unmanned aerial vehicle is the closest.

Illustratively, the renting instruction comprises renting position information of the unmanned aerial vehicle, and the blockchain server can select the unmanned aerial vehicle with the closest position distance corresponding to the position information of the unmanned aerial vehicle from the plurality of unmanned aerial vehicles to be selected by utilizing the position information corresponding to the position where the unmanned aerial vehicle is going to and the user position information of the user corresponding to the renting instruction.

The lending instruction comprises lending position information of the unmanned aerial vehicle, the block chain server can utilize the current position information of the unmanned aerial vehicle, or the position information corresponding to the position where the unmanned aerial vehicle can go to and the user position information corresponding to the lending instruction, and the unmanned aerial vehicle with the closest position distance corresponding to the user position information is selected from the unmanned aerial vehicles to be selected.

Alternatively, the blockchain server may select, from the multiple unmanned aerial vehicles to be selected, an unmanned aerial vehicle that has the highest matching degree with the lease instruction or the loan instruction, from among the lease instruction or the loan instruction, by using information included in the lease instruction or the loan instruction.

Illustratively, the leasing instruction includes a leasing path of the unmanned aerial vehicle, and the blockchain server may select the unmanned aerial vehicle with the highest matching degree with the leasing path of the unmanned aerial vehicle from the plurality of unmanned aerial vehicles to be selected by using a path through which a task to be executed by the leased unmanned aerial vehicle passes.

The lending instruction comprises the lending path of the unmanned aerial vehicle, and the block chain server can select the unmanned aerial vehicle with the highest lending path matching degree with the unmanned aerial vehicle from the multiple unmanned aerial vehicles to be selected by utilizing the path through which the lending unmanned aerial vehicle passes.

In this embodiment of the present invention, the blockchain server may further be configured to: obtain real-time status information sent by the drone, the real-time status information may include: busy state, standby state, low battery state, pending acknowledge state, and abnormal/disabled state.

The blockchain server is connected with the unmanned aerial vehicle network, and can acquire real-time state information sent by the unmanned aerial vehicle. The real-time status information can enable the blockchain server to know that the unmanned aerial vehicle is in a busy state, a standby state, a low-power state, a state to be confirmed, or an abnormal/forbidden state, so that the blockchain server receives the instruction information, and when the instruction information in the intelligent contract is judged to be a renting instruction or a lending instruction, the available unmanned aerial vehicle can be selected by the renting instruction or the lending instruction more quickly.

the block chain server can utilize the acquired real-time state information of each unmanned aerial vehicle, the information contained in the renting instruction or the lending instruction, and the user position information of the user corresponding to the renting instruction or the lending instruction, and select the unmanned aerial vehicle which is closest to the position corresponding to the user position information and is in a standby state from the plurality of unmanned aerial vehicles to be selected. The position closest may be: the physical distance corresponding to the physical position of the user and the physical position of the unmanned aerial vehicle is the closest.

Illustratively, the renting instruction comprises renting position information of the unmanned aerial vehicles, the blockchain server can utilize the acquired real-time state information of each unmanned aerial vehicle, the position information corresponding to the position where the unmanned aerial vehicle is going to and the user position information corresponding to the renting instruction of the user, and the unmanned aerial vehicle which is closest to the position corresponding to the user position information and is in a standby state is selected from the plurality of unmanned aerial vehicles to be selected.

The lending instruction comprises lending position information of the unmanned aerial vehicle, the block chain server can utilize the acquired real-time state information of each unmanned aerial vehicle, the position information where the unmanned aerial vehicle is located at present, or the position information corresponding to the position where the unmanned aerial vehicle can go to and the user position information corresponding to the lending instruction, and the unmanned aerial vehicle which is closest to the position corresponding to the user position information and is in a standby state is selected from the unmanned aerial vehicles to be selected.

Or, the blockchain server may select, from the multiple unmanned aerial vehicles to be selected, an unmanned aerial vehicle that has the highest matching degree with the lease instruction or the loan instruction and is in a standby state, by using the acquired real-time state information of each unmanned aerial vehicle and information included in the lease instruction or the loan instruction.

Illustratively, the leasing instruction includes a leasing path of the unmanned aerial vehicle, and the blockchain server may select, from the plurality of unmanned aerial vehicles to be selected, an unmanned aerial vehicle that has the highest matching degree with the leasing path in the leasing instruction and is in a standby state, by using the acquired real-time state information of each unmanned aerial vehicle and a path through which a task that the leased unmanned aerial vehicle needs to execute passes.

The lending instruction comprises lending paths of the unmanned aerial vehicles, the block chain server can utilize the acquired real-time state information of the unmanned aerial vehicles and the paths through which the rented unmanned aerial vehicles pass, and the unmanned aerial vehicles which have the highest lending path matching degree and are in a standby state in the lending instruction are selected from the unmanned aerial vehicles to be selected.

After the block chain server selects the unmanned aerial vehicle executing the renting instruction or the lending instruction from the plurality of unmanned aerial vehicles to be selected, the renting instruction or the lending instruction is sent to the selected unmanned aerial vehicle, so that the unmanned aerial vehicle can receive the renting instruction or the lending instruction.

After the block chain server selects the unmanned aerial vehicle executing the renting instruction or lending instruction from the plurality of unmanned aerial vehicles to be selected, the renting instruction or lending instruction and the identification information used for identifying the selected unmanned aerial vehicle are sent to the control system, so that the control system receives the renting instruction or lending instruction and the identification information.

And when the block chain server receives execution result data returned after the unmanned aerial vehicle executes the task corresponding to the instruction, storing the execution result data in the intelligent contract, and forwarding the execution result data to the user terminal. And the block chain server stores the execution result data in the intelligent contract, so that the intelligent contract can audit the integrity and consistency of all data conveniently. And the block chain server forwards the execution result data to the user terminal so that the user terminal can output the execution result data to the user.

And the control system is used for receiving the renting instruction or the lending instruction and the identification information and sending the unlocking instruction to the unmanned aerial vehicle corresponding to the identification information.

In the embodiment of the invention, after the control system receives the renting instruction or the lending instruction and the identification information, the control system generates a corresponding unlocking instruction for the unmanned aerial vehicle corresponding to the identification information aiming at the renting instruction or the lending instruction, and sends the generated unlocking instruction to the unmanned aerial vehicle corresponding to the identification information. Illustratively, the control system may be a control server.

In the embodiment of the present invention, the control system may further be configured to: and maintaining the unmanned aerial vehicle connected with the control system through the network.

Illustratively, control system and unmanned aerial vehicle internet access, control system can acquire the state information such as charging or maintenance that unmanned aerial vehicle sent, and then maintains the unmanned aerial vehicle that needs operations such as charging or maintenance.

And the unmanned aerial vehicle is used for receiving the renting instruction or the lending instruction, receiving the unlocking instruction, unlocking by using the unlocking instruction, executing the task corresponding to the renting instruction or the lending instruction, and returning the execution result data corresponding to the execution result of the task to the block chain server.

As an optional implementation manner of the embodiment of the present invention, the drone may send the real-time status information to the blockchain server in real time or periodically, and may detect whether the lease instruction or the loan instruction information is received in real time. The unmanned aerial vehicle sends real-time state information to the blockchain server in real time or periodically so that the blockchain server can acquire the real-time state information of the unmanned aerial vehicle in real time or periodically, and the unmanned aerial vehicle for executing tasks is selected for renting instructions or lending instructions quickly to improve the data transmission rate of the unmanned aerial vehicle. The unmanned aerial vehicle detects whether a renting instruction or lending instruction information is received in real time, so that when the unmanned aerial vehicle receives the renting instruction or lending instruction information, the unmanned aerial vehicle can quickly respond and execute corresponding tasks.

The real-time status information of the drone may include: busy state, standby state, low battery state, pending acknowledge state, and abnormal/disabled state.

Exemplarily, as shown in fig. 2, fig. 2 is a schematic diagram of state information of an unmanned aerial vehicle according to an embodiment of the present invention. The unmanned aerial vehicle in busy state can become standby state after idle, can become low-power state when the electric quantity is not enough, can become unusual/forbidden state when appearing unusually. The unmanned aerial vehicle in the ready state can become busy state after receiving the instruction information, can become low-power state when the electric quantity is not enough, can become after accepting the instruction information and wait to confirm the state. The unmanned aerial vehicle in the low-power state becomes a standby state after charging is completed, the state confirmation completed but not completed becomes a state to be determined, and the state becomes an abnormal/forbidden state when abnormality occurs. The unmanned aerial vehicle in the abnormal/forbidden state is abnormally removed and is changed into a standby state after being forbidden. The unmanned aerial vehicle in the state of waiting to confirm can become busy state after receiving the instruction message, becomes the state of awaiting orders after confirming to accomplish the task, can become the low power state when the electric quantity appears not enough.

When the unmanned aerial vehicle is in a low-power state or an abnormal/forbidden state, the unmanned aerial vehicle sends state information such as charging or maintenance to the control system, so that the control system maintains the unmanned aerial vehicle which needs to be charged or maintained.

As an optional implementation manner of the embodiment of the present invention, the unmanned aerial vehicle in the standby state is in the locked state, and when the unmanned aerial vehicle in the standby state receives the renting instruction or the lending instruction and the unlocking instruction, the unmanned aerial vehicle in the standby state may be unlocked by using the unlocking instruction, and after the unlocking is completed, the task corresponding to the renting instruction or the lending instruction is executed, and the execution result data corresponding to the execution result of the task is returned to the blockchain server.

In the unmanned aerial vehicle data transmission system based on the blockchain technology provided by the embodiment of the invention, a user terminal sends received user information input by a user and/or instruction information sent by the user to a blockchain server, the blockchain server receives and stores the user information and/or the instruction information in an intelligent contract, the blockchain server selects an unmanned aerial vehicle for executing instructions from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is a renting instruction or a lending instruction, sends the instruction information to the selected unmanned aerial vehicle, sends the instruction information and the identification information of the selected unmanned aerial vehicle to a control system, the control system receives the instruction and the identification information, sends an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information, and unlocks the unmanned aerial vehicle by using the unlocking instruction, and executing the task corresponding to the instruction, returning the execution result data to the block chain server, and outputting the execution result data to the user by the block chain server through the user terminal. In the embodiment of the invention, the user terminal stores the user information and the instruction information into the blockchain server, the blockchain server sends the instruction to the unmanned aerial vehicle, the unmanned aerial vehicle which executes the task is unlocked through the control system, the unmanned aerial vehicle finishes the task and outputs the task result to the user through the user terminal, and the blockchain mainly solves the trust and safety problems of the transaction.

Fig. 3 is a flowchart of a method for data transmission by an unmanned aerial vehicle based on a blockchain technique according to an embodiment of the present invention, where the method is applicable to a system for data transmission by an unmanned aerial vehicle based on a blockchain technique in any of the embodiments, and the method includes:

and the user terminal receives user information input by a user and/or instruction information sent by the user, and forwards the user information and/or the instruction information to the blockchain server.

The block chain server receives and stores user information and/or instruction information, stores the user information and/or instruction information in the intelligent contract, selects an unmanned aerial vehicle executing a leasing instruction or lending instruction from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is the leasing instruction or lending instruction, and sends the leasing instruction or lending instruction to the selected unmanned aerial vehicle so that the unmanned aerial vehicle receives the leasing instruction or lending instruction.

The blockchain server stores the received user information and/or instruction information in the intelligent contract so as to facilitate the intelligent contract to audit the integrity and consistency of all data. The intelligent contract is pre-edited and stored in the blockchain server for engagement of the command information of the user with the mission between the drones. After the instruction information in the intelligent contract is judged to be a renting instruction or a lending instruction, the blockchain server selects an unmanned aerial vehicle executing the renting instruction or the lending instruction from the multiple unmanned aerial vehicles to be selected, and sends the renting instruction or the lending instruction to the selected unmanned aerial vehicle so that the unmanned aerial vehicle receives the renting instruction or the lending instruction.

The blockchain server sends the lease instruction or the loan instruction, and identification information for identifying the selected drone to the control system.

The control system receives the renting instruction or lending instruction and the identification information, and sends the unlocking instruction to the unmanned aerial vehicle corresponding to the identification information.

In the embodiment of the invention, after the control system receives the renting instruction or the lending instruction and the identification information, the control system generates a corresponding unlocking instruction for the unmanned aerial vehicle corresponding to the identification information aiming at the renting instruction or the lending instruction, and sends the generated unlocking instruction to the unmanned aerial vehicle corresponding to the identification information.

And the unmanned aerial vehicle receives the unlocking instruction, utilizes the unlocking instruction to unlock, executes the task corresponding to the received renting instruction or lending instruction, and returns the execution result data corresponding to the execution result of the task to the block chain server.

And the block chain server receives and stores the execution result data returned by the unmanned aerial vehicle, stores the execution result data returned by the unmanned aerial vehicle in the intelligent contract and forwards the execution result data to the user terminal.

And the user terminal receives the execution result data forwarded by the block chain server and outputs the execution result data to the user.

The invention provides an unmanned aerial vehicle data transmission method based on a block chain technology, a user terminal sends received user information input by a user and/or instruction information sent by the user to a block chain server, the block chain server receives and stores the user information and/or the instruction information in an intelligent contract, the block chain server selects an unmanned aerial vehicle for executing instructions from a plurality of unmanned aerial vehicles to be selected after judging that the instruction information in the intelligent contract is a renting instruction or a lending instruction, sends the instruction information to the selected unmanned aerial vehicle, sends the instruction information and the identification information of the selected unmanned aerial vehicle to a control system, the control system receives the instruction and the identification information, sends an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information, and unlocks the unmanned aerial vehicle by utilizing the unlocking instruction, and executing the task corresponding to the instruction, returning the execution result data to the block chain server, and outputting the execution result data to the user by the block chain server through the user terminal. In the embodiment of the invention, the user terminal stores the user information and the instruction information into the blockchain server, the blockchain server sends the instruction to the unmanned aerial vehicle, the unmanned aerial vehicle which executes the task is unlocked through the control system, the unmanned aerial vehicle finishes the task and outputs the task result to the user through the user terminal, and the blockchain mainly solves the trust and safety problems of the transaction.

As an optional implementation manner of the embodiment of the present invention, the method for transmitting data of an unmanned aerial vehicle based on a blockchain technology may further include:

In the embodiment of the invention, the blockchain server can select the unmanned aerial vehicle with the closest position distance corresponding to the user position information from the plurality of unmanned aerial vehicles to be selected by utilizing the information contained in the renting instruction or the lending instruction and the user position information of the user corresponding to the renting instruction or the lending instruction; or selecting the unmanned aerial vehicle with the highest matching degree with the renting path or the lending path in the renting instruction or the lending instruction from the plurality of unmanned aerial vehicles to be selected by utilizing the information contained in the renting instruction or the lending instruction. The unmanned aerial vehicle with the closest position distance or the unmanned aerial vehicle with the highest path matching degree is selected, so that the available unmanned aerial vehicle can be rapidly acquired, and the data transmission efficiency of the unmanned aerial vehicle is improved.

the blockchain server acquires real-time status information sent by the unmanned aerial vehicle, and the real-time status information includes: busy state, standby state, low battery state, pending acknowledge state, and abnormal/disabled state.

As an optional implementation manner of the embodiment of the present invention, the implementation manner in which the blockchain server selects, from the multiple unmanned aerial vehicles to be selected, an unmanned aerial vehicle whose position corresponding to the user position information is closest to the user position information by using the lease instruction or the lending instruction and the user position information of the user corresponding to the lease instruction or the lending instruction may include:

As an optional implementation manner of the embodiment of the present invention, an implementation manner in which the blockchain server may select, from the multiple unmanned aerial vehicles to be selected, an unmanned aerial vehicle with the highest matching degree with a lease path or a loan path in the lease instruction or the loan instruction by using the lease instruction or the loan instruction may include:

the block chain server may select, from the plurality of unmanned aerial vehicles to be selected, an unmanned aerial vehicle that has the highest matching degree with a rental path or a lending path in the rental instruction or the lending instruction and is in a standby state, by using the acquired real-time state information of each unmanned aerial vehicle and information included in the rental instruction or the lending instruction.

In the embodiment of the invention, the blockchain server can select the unmanned aerial vehicle which is closest to the position corresponding to the user position information and is in a standby state from the plurality of unmanned aerial vehicles to be selected by utilizing the acquired real-time state information of each unmanned aerial vehicle, information contained in the renting instruction or lending instruction and the user position information of the user corresponding to the renting instruction or lending instruction; or the acquired real-time state information of each unmanned aerial vehicle and the information contained in the renting instruction or lending instruction are utilized to select the unmanned aerial vehicle which has the highest matching degree with the renting path or lending path in the renting instruction or lending instruction and is in a standby state from the plurality of unmanned aerial vehicles to be selected. The unmanned aerial vehicle which is closest to the position or has the highest path matching degree and is in a standby state is selected, so that the available unmanned aerial vehicle which can quickly execute tasks can be quickly acquired, and the data transmission efficiency of the unmanned aerial vehicle is improved.

An embodiment of the present invention further provides another method for transmitting data of an unmanned aerial vehicle based on a blockchain technology, where the method may be applied to a blockchain server in any one of the above systems for transmitting data of an unmanned aerial vehicle based on a blockchain technology, as shown in fig. 4, the method may include:

s101, receiving and storing user information input by a user and/or instruction information sent by the user and forwarded by a user terminal, and storing the user information and/or the instruction information in an intelligent contract.

S102, after the instruction information in the intelligent contract is judged to be a renting instruction or a lending instruction, selecting an unmanned aerial vehicle for executing the renting instruction or the lending instruction from the multiple unmanned aerial vehicles to be selected, and sending the renting instruction or the lending instruction to the selected unmanned aerial vehicle so that the unmanned aerial vehicle can receive the renting instruction or the lending instruction.

S103, sending the renting instruction or lending instruction and identification information for identifying the selected unmanned aerial vehicle to a control system, so that the control system receives the renting instruction or lending instruction and the identification information to generate a corresponding unlocking instruction and sends the unlocking instruction to the unmanned aerial vehicle, and after receiving the renting instruction or lending instruction and the unlocking instruction, the unmanned aerial vehicle unlocks by using the unlocking instruction, executes a task corresponding to the renting instruction or lending instruction, and returns execution result data corresponding to an execution result of the task.

And S104, receiving and storing the execution result data returned by the unmanned aerial vehicle, storing the execution result data returned by the unmanned aerial vehicle in an intelligent contract, and forwarding the execution result data to the user terminal so that the user terminal outputs the execution result data to a user.

The invention provides an unmanned aerial vehicle data transmission method based on a block chain technology, a block chain server receives and stores user information and/or instruction information forwarded by a user terminal, stores the user information and/or the instruction information in an intelligent contract, selects an unmanned aerial vehicle for executing an instruction after judging that the instruction information in the intelligent contract is a leasing instruction or a lending instruction, sends the instruction information to the selected unmanned aerial vehicle, sends the instruction information and identification information of the selected unmanned aerial vehicle to a control system so that the control system can generate a corresponding unlocking instruction and send the unlocking instruction to the unmanned aerial vehicle, enables the unmanned aerial vehicle to unlock by using the unlocking instruction after receiving the leasing instruction or the lending instruction and the unlocking instruction, executes a task corresponding to the leasing instruction or the lending instruction, and returns execution result data corresponding to an execution result of the task, and receiving and storing the execution result data, storing the execution result data in the intelligent contract, and forwarding the execution result data to the user terminal so that the user terminal outputs the execution result data to the user. According to the embodiment of the invention, user information and instruction information are stored in the blockchain server, an instruction is sent to the unmanned aerial vehicle through the blockchain server, the unmanned aerial vehicle which executes a task is unlocked through the control system, the unmanned aerial vehicle finishes the task and stores a task result in the blockchain server, and the task result is output to a user through the user terminal.

An embodiment of the present invention further provides an electronic device, as shown in fig. 5, which includes a processor 201, a communication interface 202, a memory 203, and a communication bus 204, where the processor 201, the communication interface 202, and the memory 203 complete mutual communication through the communication bus 204,

a memory 203 for storing a computer program;

the processor 201 is configured to implement the following steps when executing the program stored in the memory 203:

and receiving and storing user information input by a user and/or instruction information sent by the user, which are forwarded by the user terminal, and storing the user information and/or the instruction information in the intelligent contract.

After the instruction information in the intelligent contract is judged to be a renting instruction or a lending instruction, selecting an unmanned aerial vehicle for executing the renting instruction or the lending instruction from the plurality of unmanned aerial vehicles to be selected, and sending the renting instruction or the lending instruction to the selected unmanned aerial vehicle so that the unmanned aerial vehicle can receive the renting instruction or the lending instruction.

And sending the renting instruction or lending instruction to the control system for identifying the identification information of the selected unmanned aerial vehicle, so that the control system can receive the renting instruction or lending instruction and the identification information to generate a corresponding unlocking instruction and send the unlocking instruction to the unmanned aerial vehicle, and after receiving the renting instruction or lending instruction and the unlocking instruction, the unmanned aerial vehicle can unlock by using the unlocking instruction, execute a task corresponding to the renting instruction or lending instruction, and return execution result data corresponding to an execution result of the task.

And receiving and storing the execution result data returned by the unmanned aerial vehicle, storing the execution result data returned by the unmanned aerial vehicle in an intelligent contract, and forwarding the execution result data to the user terminal so that the user terminal outputs the execution result data to the user.

In the electronic device provided by the embodiment of the invention, the blockchain server receives and stores user information and/or instruction information forwarded by a user terminal, stores the user information and/or instruction information in an intelligent contract, selects an unmanned aerial vehicle for executing an instruction after judging that the instruction information in the intelligent contract is a leasing instruction or a lending instruction, sends the instruction information to the selected unmanned aerial vehicle, sends the instruction information and identification information of the selected unmanned aerial vehicle to the control system so that the control system can generate a corresponding unlocking instruction and send the unlocking instruction to the unmanned aerial vehicle, so that the unmanned aerial vehicle can unlock by using the unlocking instruction after receiving the leasing instruction or the lending instruction and the unlocking instruction, execute a task corresponding to the leasing instruction or the lending instruction, return execution result data corresponding to an execution result of the task, receive and store the execution result data, and storing the execution result data in the intelligent contract, and forwarding the execution result data to the user terminal so that the user terminal outputs the execution result data to the user. According to the embodiment of the invention, user information and instruction information are stored in the blockchain server, an instruction is sent to the unmanned aerial vehicle through the blockchain server, the unmanned aerial vehicle which executes a task is unlocked through the control system, the unmanned aerial vehicle finishes the task and stores a task result in the blockchain server, and the task result is output to a user through the user terminal.

The communication bus mentioned in the electronic device may be a Peripheral Component Interconnect (PCI) bus, an Extended Industry Standard Architecture (EISA) bus, or the like. The communication bus may be divided into an address bus, a data bus, a control bus, etc. For ease of illustration, only one thick line is shown, but this does not mean that there is only one bus or one type of bus.

The communication interface is used for communication between the electronic equipment and other equipment.

The Memory may include a Random Access Memory (RAM) or a Non-Volatile Memory (NVM), such as at least one disk Memory. Optionally, the memory may also be at least one memory device located remotely from the processor.

The Processor may be a general-purpose Processor, including a Central Processing Unit (CPU), a Network Processor (NP), and the like; but may also be a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component.

In another embodiment provided by the present invention, a computer-readable storage medium is further provided, where a computer program is stored in the computer-readable storage medium, and when executed by a processor, the computer program implements the steps of the method for data transmission of a drone based on a block chain technique in the embodiment shown in fig. 4.

In another embodiment of the present invention, a computer program product containing instructions is also provided, which when run on a computer causes the computer to execute a method for data transmission of a drone based on a blockchain technique according to the embodiment shown in fig. 4.

In the above embodiments, the implementation may be wholly or partially realized by software, hardware, firmware, or any combination thereof. When implemented in software, may be implemented in whole or in part in the form of a computer program product. The computer program product includes one or more computer instructions. When loaded and executed on a computer, cause the processes or functions described in accordance with the embodiments of the invention to occur, in whole or in part. The computer may be a general purpose computer, a special purpose computer, a network of computers, or other programmable device. The computer instructions may be stored in a computer readable storage medium or transmitted from one computer readable storage medium to another, for example, from one website site, computer, server, or data center to another website site, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, Digital Subscriber Line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.). The computer-readable storage medium can be any available medium that can be accessed by a computer or a data storage device, such as a server, a data center, etc., that incorporates one or more of the available media. The usable medium may be a magnetic medium (e.g., floppy Disk, hard Disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., Solid State Disk (SSD)), among others.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. An unmanned aerial vehicle data transmission system based on block chain technology, its characterized in that includes: the system comprises a user terminal, a block chain server, a control system and an unmanned aerial vehicle; the user terminal is connected with the block chain server through a network, the block chain server is respectively connected with the control system and the unmanned aerial vehicle through the network, and the control system is connected with the unmanned aerial vehicle through the network;

the control system is used for receiving the renting instruction or the lending instruction and the identification information and sending an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information; and obtaining maintenance information sent by the unmanned aerial vehicle, and maintaining the unmanned aerial vehicle sending the maintenance information;

the unmanned aerial vehicle is used for receiving the renting instruction or the lending instruction, receiving the unlocking instruction, unlocking by using the unlocking instruction, executing the task corresponding to the renting instruction or the lending instruction, and returning execution result data corresponding to the execution result of the task to the block chain server; and sending maintenance information to the control system.

2. The system of claim 1, wherein the leasing instructions comprise: the number of rents of the unmanned aerial vehicles, the information of the use of the rents of the unmanned aerial vehicles, the information of the renting positions of the unmanned aerial vehicles and the renting paths of the unmanned aerial vehicles; the lending instruction comprises: the number of lending of unmanned aerial vehicle, the position information of lending of unmanned aerial vehicle, the use information of lending of unmanned aerial vehicle to and the route of lending of unmanned aerial vehicle.

3. The system of claim 2, wherein the blockchain server is specifically configured to:

4. The system of claim 3, wherein the blockchain server is further configured to:

5. The system of claim 4, wherein the blockchain server is specifically configured to:

6. A data transmission method of unmanned aerial vehicle based on block chain technology, which is applied to the unmanned aerial vehicle data transmission system based on block chain technology according to any one of claims 1-5, and comprises the following steps:

the control system receives the renting instruction or the lending instruction and the identification information and sends an unlocking instruction to the unmanned aerial vehicle corresponding to the identification information; and obtaining maintenance information sent by the unmanned aerial vehicle, and maintaining the unmanned aerial vehicle sending the maintenance information;

the unmanned aerial vehicle receives the unlocking instruction, utilizes the unlocking instruction to unlock, executes the task corresponding to the received renting instruction or lending instruction, and returns execution result data corresponding to the execution result of the task to the block chain server; and sending maintenance information to the control system;

7. The method of claim 6, wherein the lease instruction comprises: the number of rents of the unmanned aerial vehicles, the information of the use of the rents of the unmanned aerial vehicles, the information of the renting positions of the unmanned aerial vehicles and the renting paths of the unmanned aerial vehicles; the lending instruction comprises: the number of lending of unmanned aerial vehicle, the position information of lending of unmanned aerial vehicle, the use information of lending of unmanned aerial vehicle to and the route of lending of unmanned aerial vehicle.

8. The method of claim 7, further comprising:

9. The method of claim 8, further comprising:

10. The method according to claim 9, wherein the step of the blockchain server selecting, from the multiple candidate drones, the drone having the closest position distance corresponding to the user position information, using the lease instruction or the lending instruction and the user position information of the user corresponding to the lease instruction or the lending instruction, includes: