CN113034746A - Truck remote control system and control method - Google Patents
Truck remote control system and control method Download PDFInfo
- Publication number
- CN113034746A CN113034746A CN202110286977.4A CN202110286977A CN113034746A CN 113034746 A CN113034746 A CN 113034746A CN 202110286977 A CN202110286977 A CN 202110286977A CN 113034746 A CN113034746 A CN 113034746A
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- vehicle
- locking
- intelligent terminal
- ecu
- mounted intelligent
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00571—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated by interacting with a central unit
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/00174—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys
- G07C9/00309—Electronically operated locks; Circuits therefor; Nonmechanical keys therefor, e.g. passive or active electrical keys or other data carriers without mechanical keys operated with bidirectional data transmission between data carrier and locks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3226—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using a predetermined code, e.g. password, passphrase or PIN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
- H04L2209/84—Vehicles
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Lock And Its Accessories (AREA)
- Selective Calling Equipment (AREA)
Abstract
The invention belongs to the technical field of automobile manufacturing, and relates to a truck remote control system and a control method, which comprises a truck credit management platform, a control center, a vehicle-mounted intelligent terminal and a vehicle-mounted ECU; the vehicle loan management platform issues a vehicle locking and unlocking instruction through the control center, the vehicle locking and unlocking instruction is transmitted to the vehicle-mounted intelligent terminal through the operator mobile network, and the vehicle-mounted intelligent terminal is connected with the engine ECU through the CAN bus; the invention also provides a truck remote control method, which comprises the steps that the truck loan management platform finds out the default vehicle and sends a vehicle locking request to the control center; the control center generates a vehicle locking instruction and then sends the instruction to the vehicle-mounted intelligent terminal; the vehicle-mounted intelligent terminal receives a vehicle locking instruction of the control center and sends the vehicle locking instruction to the ECU through the CAN bus according to the UDS protocol; the vehicle-mounted ECU limits the rotating speed of the engine according to the control instruction; the invention limits the rotating speed of the engine through the vehicle-mounted ECU so as to effectively control the target vehicle and avoid similar dangerous accidents.
Description
Technical Field
The invention belongs to the technical field of automobile manufacturing, and relates to a truck remote control system and a truck remote control method.
Background
At present, the payment proportion of heavy truck clients in installments is high, dealers often encounter malicious debt events, the dealers are not controlled by an effective method, the existing method is to adopt a starting locking loop to carry out remote vehicle locking control, however, heavy truck vehicles in operation are suddenly controlled to lock vehicles, unexpected dangerous accidents are often caused, how to avoid similar dangerous accidents and meanwhile effectively control the malicious debt vehicles, and the problem is always difficult to solve.
Disclosure of Invention
The invention solves the technical problem that the vehicle-mounted ECU is given a remote instruction and limits the rotating speed of the engine through the vehicle-mounted ECU so as to effectively control the target vehicle and avoid the occurrence of similar dangerous accidents. The technical scheme adopted by the invention for solving the technical problem is as follows: a truck remote control method comprises the following steps:
the method comprises the following steps: analyzing the vehicle operation risk, analyzing and screening the vehicle information of the supervised vehicle in the last supervision period, and screening and marking the vehicle with abnormal information;
step two: issuing a vehicle locking task, identifying default risk vehicles by screening and marking data of abnormal vehicles in the step one, then sending risk vehicle list data to a control center, and issuing the vehicle locking task by the control center;
step three: the control center generates a vehicle locking instruction and then sends the instruction to the vehicle-mounted intelligent terminal;
step four: the vehicle locking authentication is carried out, the vehicle-mounted intelligent terminal and the supervision vehicle are authenticated through an encryption algorithm, after the authentication is passed, the vehicle-mounted intelligent terminal starts an anti-dismounting function, and if the intelligent terminal is manually dismounted, the ECU is informed to automatically lock the vehicle; intelligent terminal and encryption algorithm calling for supervising vehicle authentication
GetRemoteAuthKey (UINT8 Seed, UINT8 Cmd, UINT8 Signal, UINT8 PIN, UINT8 Key) in the library. Wherein UINT8 is 8 bit unsigned integer; seed is the length of 6 bytes for the data of each authentication to be inconsistent; cmd is used to bind commands to the authentication process, preventing the execution of other commands with authorized commands bypassing authentication, length 1 Byte; signal is an additional command value, the length is 4Byte, and when no additional command exists, the value is filled with 0 xFF; the PIN has the function of ensuring that all ECUs are matched to prevent replacement and is 16 bytes in length; key is the return value of the encryption function and has a length of 6 bytes. The execution result state 0 represents that the Key authentication is passed, and 1 represents that the Key authentication is invalid.
Step five: after the vehicle-mounted intelligent terminal and the supervision vehicle pass the vehicle locking authentication, sending an authentication message of unlocking a vehicle locking configuration function to unlock the vehicle locking function, immediately sending an engine speed limiting message to the ECU after the vehicle locking function is successfully unlocked, and after the ECU receives an engine speed limiting instruction, limiting the rotation speed of the supervision vehicle to a preset rotation speed value needing to be limited in a secondary power-on state to achieve the vehicle locking purpose; when the vehicle locking function is started, if any signal of the vehicle state inquired within 300ms is 1, the starting is successful, and if the signal is not 1, the starting is failed. If all the messages are checked to be 0, when the network is changed from dormancy to awakening or T15 is powered on again, the authentication message of starting the vehicle locking configuration function is sent out again until any one of the vehicle state messages is 1, which indicates that the vehicle locking function is successfully started.
Preferably, in the first step, the supervision period includes day, week, month and year.
Preferably, in the third step, the control center forwards the car locking request to the command receiver, the command receiver writes the original value into the database, the database forwards the car locking request to the command processing engine, the command processing engine forwards the car locking request to the Redis cluster, the command processing engine feeds back the value after the writing is converted according to the protocol to the database, and finally, the Redis cluster forwards the car locking request to the gateway and sends the car locking request to the vehicle-mounted intelligent terminal through the operator mobile network.
Preferably, the third step further includes a command callback engine, the command callback engine writes back the execution result to the Redis cluster, and the command callback engine sends the updated command execution result to the database.
Preferably, in the fifth step, the vehicle-mounted intelligent terminal can also send a vehicle operation time limit message to the ECU, and after the ECU receives the vehicle operation time limit instruction, the vehicle operation time of the vehicle can be limited and monitored in the secondary power-on state, so that the purpose of locking the vehicle is achieved.
The invention also discloses a truck remote control system, comprising: the system comprises a vehicle loan management platform, a control center, a vehicle-mounted intelligent terminal and a vehicle-mounted ECU; the vehicle loan management platform issues a vehicle locking and unlocking instruction through the control center, the vehicle locking and unlocking instruction is transmitted to the vehicle-mounted intelligent terminal through the operator mobile network, and the vehicle-mounted intelligent terminal is connected with the engine ECU through the CAN bus; the vehicle loan management platform is used for tracking the repayment behavior of the vehicle borrower, initiating a vehicle locking request to the control center once overdue is found, and then initiating an unlocking request after the borrower repays normally; the control center is used for receiving a vehicle locking and unlocking instruction issued by the vehicle loan management platform and transmitting the instruction to the vehicle-mounted intelligent terminal through the operator mobile network; the vehicle-mounted intelligent terminal is used for receiving the command issued by the control center and sending a control command to the vehicle-mounted ECU through the CAN bus; the vehicle-mounted ECU is used for locking or unlocking the vehicle after receiving the control command, and the vehicle-mounted ECU limits the rotating speed of the engine after receiving the vehicle locking command.
Preferably, the vehicle-mounted intelligent terminal is embedded with a GPRS module and a CAN bus, the vehicle-mounted intelligent terminal is connected with the control center through the GPRS module and receives a control command issued by the control center, the CAN bus is connected with the vehicle-mounted ECU, and the CAN bus is responsible for sending the control command to the vehicle-mounted ECU.
The invention has the beneficial effects that:
1. the method for limiting the monitored vehicle rotating speed to the preset low rotating speed replaces the traditional mode of directly locking the vehicle suddenly, and when the vehicle is locked and unlocked in a remote control mode, a truck dealer can be effectively guaranteed to withdraw vehicle loan, the risk of default and default is reduced, and meanwhile, the remote control method is safer and softer.
2. The invention can set various control measures such as immediate vehicle locking, vehicle speed limit, vehicle operation time limit and the like through vehicle operation state analysis.
Drawings
FIG. 1 is a remote control flow of a truck remote control system and control method;
fig. 2 is a control center flow diagram.
Detailed Description
The related art in the present invention will be described clearly and completely with reference to the accompanying drawings in the following embodiments, and it is to be understood 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.
Referring to fig. 1-2, a truck remote control method includes the following steps:
the method comprises the following steps: analyzing the vehicle operation risk, analyzing and screening the vehicle information of the supervised vehicle in the last supervision period, and screening and marking the vehicle with abnormal information;
step two: issuing a vehicle locking task, identifying default risk vehicles by screening and marking data of abnormal vehicles in the step one, then sending risk vehicle list data to a control center, and issuing the vehicle locking task by the control center;
step three: the control center generates a vehicle locking instruction and then sends the instruction to the vehicle-mounted intelligent terminal;
step four: the vehicle locking authentication is carried out, the vehicle-mounted intelligent terminal and the supervision vehicle are authenticated through an encryption algorithm, after the authentication is passed, the vehicle-mounted intelligent terminal starts an anti-dismounting function, and if the intelligent terminal is manually dismounted, the ECU is informed to automatically lock the vehicle; the intelligent terminal and the supervising vehicle authentication adopt an encryption algorithm to call an interface function GetRemoteAuthKey (UINT8 Seed, UINT8 Cmd, UINT8 Signal, UINT8 PIN, UINT8 Key) in a GetRemoteAuthKey library to encrypt. Wherein UINT8 is 8 bit unsigned integer; seed is the length of 6 bytes for the data of each authentication to be inconsistent; cmd is used to bind commands to the authentication process, preventing the execution of other commands with authorized commands bypassing authentication, length 1 Byte; signal is an additional command value, the length is 4Byte, and when no additional command exists, the value is filled with 0 xFF; the PIN has the function of ensuring that all ECUs are matched to prevent replacement and is 16 bytes in length; key is the return value of the encryption function and has a length of 6 bytes. The execution result state 0 represents that the Key authentication is passed, and 1 represents that the Key authentication is invalid.
Step five: after the vehicle-mounted intelligent terminal and the supervision vehicle pass the vehicle locking authentication, sending an authentication message of unlocking a vehicle locking configuration function to unlock the vehicle locking function, immediately sending an engine speed limiting message to the ECU after the vehicle locking function is successfully unlocked, and after the ECU receives an engine speed limiting instruction, limiting the rotation speed of the supervision vehicle to a preset rotation speed value needing to be limited in a secondary power-on state to achieve the vehicle locking purpose; when the vehicle locking function is started, if any signal of the vehicle state inquired within 300ms is 1, the starting is successful, and if the signal is not 1, the starting is failed. If all the messages are checked to be 0, when the network is changed from dormancy to awakening or T15 is powered on again, the authentication message of starting the vehicle locking configuration function is sent out again until any one of the vehicle state messages is 1, which indicates that the vehicle locking function is successfully started.
Further, in the first step, the supervision period includes day, week, month and year.
Further, in the third step, the control center forwards the car locking request to the command receiver, the command receiver writes the original value into the database, the database forwards the car locking request to the command processing engine, the command processing engine forwards the car locking request to the Redis cluster, the command processing engine feeds back the value after the writing is converted according to the protocol to the database, and finally, the Redis cluster forwards the car locking request to the gateway and sends the car locking request to the vehicle-mounted intelligent terminal through the operator mobile network.
Furthermore, the third step further includes a command callback engine, where the command callback engine writes back the execution result to the Redis cluster, and the command callback engine sends the updated command execution result to the database.
Furthermore, in the fifth step, the vehicle-mounted intelligent terminal can also send a vehicle operation time limit message to the ECU, and after the ECU receives the vehicle operation time limit instruction, the vehicle operation time of the vehicle can be limited and monitored in the secondary power-on state, so that the purpose of locking the vehicle is achieved.
The invention also discloses a truck remote control system, comprising: the system comprises a vehicle loan management platform, a control center, a vehicle-mounted intelligent terminal and a vehicle-mounted ECU; the vehicle loan management platform issues a vehicle locking and unlocking instruction through the control center, the vehicle locking and unlocking instruction is transmitted to the vehicle-mounted intelligent terminal through the operator mobile network, and the vehicle-mounted intelligent terminal is connected with the engine ECU through the CAN bus; the vehicle loan management platform is used for tracking the repayment behavior of the vehicle borrower, initiating a vehicle locking request to the control center once overdue is found, and then initiating an unlocking request after the borrower repays normally; the control center is used for receiving a vehicle locking and unlocking instruction issued by the vehicle loan management platform and transmitting the instruction to the vehicle-mounted intelligent terminal through the operator mobile network; the vehicle-mounted intelligent terminal is used for receiving the command issued by the control center and sending a control command to the vehicle-mounted ECU through the CAN bus; the vehicle-mounted ECU is used for locking or unlocking the vehicle after receiving the control command, and the vehicle-mounted ECU limits the rotating speed of the engine after receiving the vehicle locking command.
Further, the embedded GPRS module and CAN bus that have of vehicle-mounted intelligent terminal, vehicle-mounted intelligent terminal passes through GPRS module connection control center, accepts the control command that control center issued, and vehicle-mounted ECU is connected to the CAN bus, and the CAN bus is responsible for sending control command to vehicle-mounted ECU. .
Examples
In implementation, after the vehicle loan management platform finds that the default vehicle exists, the vehicle loan management platform sends a vehicle locking request aiming at the default vehicle to the control center; after receiving a car locking request, a control center forwards the car locking request to a command receiver inside the control center, the command receiver writes an original value into a control center database, the control center database forwards the car locking request to a command processing engine, the command processing engine forwards the car locking request to a Redis cluster, the command processing engine feeds back a value converted according to a protocol after being written into the data base, and finally the Redis cluster forwards the car locking request to a gateway and sends the car locking request to a vehicle-mounted intelligent terminal through an operator mobile network; after receiving a vehicle locking instruction of a control center, the vehicle-mounted intelligent terminal sends the vehicle locking instruction to the ECU through the CAN bus according to the UDS protocol; the vehicle-mounted ECU limits the rotating speed of the engine according to the control command, so that the purpose of limiting the running of the default vehicle is achieved, and meanwhile, similar dangerous accidents can be avoided.
In summary, the invention provides a truck remote control system and a control method, which adopt a method of limiting the monitored vehicle rotation speed to a preset low rotation speed to replace the traditional mode of directly and suddenly locking the truck, effectively ensure that a truck dealer withdraws the vehicle loan when the vehicle is remotely controlled to lock and unlock, reduce the default risk, simultaneously ensure that the remote control method is safer and softer, and solve the problem of unexpected dangerous accidents caused by suddenly locking the truck in the prior art, so the invention has wide application prospect.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (7)
1. A truck remote control method is characterized by comprising the following steps:
the method comprises the following steps: analyzing the vehicle operation risk, analyzing and screening the vehicle information of the supervised vehicle in the last supervision period, and screening and marking the vehicle with abnormal information;
step two: issuing a vehicle locking task, identifying default risk vehicles by screening and marking data of abnormal vehicles in the step one, then sending risk vehicle list data to a control center, and issuing the vehicle locking task by the control center;
step three: the control center generates a vehicle locking instruction and then sends the instruction to the vehicle-mounted intelligent terminal;
step four: the vehicle locking authentication is carried out, the vehicle-mounted intelligent terminal and the supervision vehicle are authenticated through an encryption algorithm, after the authentication is passed, the vehicle-mounted intelligent terminal starts an anti-dismounting function, and if the intelligent terminal is manually dismounted, the ECU is informed to automatically lock the vehicle;
step five: after the vehicle-mounted intelligent terminal and the supervision vehicle pass the vehicle locking authentication, the vehicle-mounted intelligent terminal sends an authentication message of unlocking the vehicle locking configuration function to unlock the vehicle locking function, after the vehicle locking function is successfully unlocked, the vehicle-mounted intelligent terminal immediately sends an engine speed limiting message to the ECU, and after the ECU receives an engine speed limiting instruction, the ECU limits the rotation speed of the supervision vehicle to a preset rotation speed value needing to be limited in a secondary power-on state, so that the vehicle locking purpose is achieved.
2. The method according to claim 1, wherein in the first step, the supervision cycle comprises day, week, month and year.
3. The truck remote control method according to claim 1, wherein in step three, the control center forwards the truck locking request to the command receiver, the command receiver writes the original value into the database, the database forwards the truck locking request to the command processing engine, the command processing engine forwards the truck locking request to the Redis cluster, the command processing engine feeds back the value converted according to the protocol to the database, and finally, the Redis cluster forwards the truck locking request to the gateway and sends the truck locking request to the vehicle-mounted intelligent terminal through the operator mobile network.
4. The remote control method for the truck according to claim 3, wherein the third step further includes a command callback engine, the command callback engine writes back the execution result to the Redis cluster, and the command callback engine sends the updated command execution result to the database.
5. The truck remote control method according to claim 1, wherein in the fifth step, the vehicle-mounted intelligent terminal can also send a vehicle operation time limit message to the ECU, and after receiving the vehicle operation time limit instruction, the ECU can limit and supervise the vehicle operation time of the vehicle in a secondary power-on state, so as to achieve the purpose of locking the vehicle.
6. A truck remote control system, comprising: the system comprises a vehicle loan management platform, a control center, a vehicle-mounted intelligent terminal and a vehicle-mounted ECU; the vehicle loan management platform issues a vehicle locking and unlocking instruction through a control center, the vehicle locking and unlocking instruction is transmitted to the vehicle-mounted intelligent terminal through an operator mobile network, and the vehicle-mounted intelligent terminal is connected with an engine ECU (electronic control Unit) through a CAN (controller area network) bus;
the vehicle loan management platform is used for tracking repayment behaviors of vehicle borrowers, initiating a vehicle locking request to the control center once overdue is found, and then initiating an unlocking request after the borrowers normally repay;
the control center is used for receiving a vehicle locking and unlocking instruction issued by the vehicle credit management platform and transmitting the instruction to the vehicle-mounted intelligent terminal through the operator mobile network;
the vehicle-mounted intelligent terminal is used for receiving the command issued by the control center and sending a control command to the vehicle-mounted ECU through the CAN bus;
the vehicle-mounted ECU is used for locking or unlocking the vehicle after receiving the control command, and the vehicle-mounted ECU limits the rotating speed of the engine after receiving the vehicle locking command.
7. The remote control system according to claim 6, wherein the vehicle-mounted intelligent terminal is embedded with a GPRS module and a CAN bus, the vehicle-mounted intelligent terminal is connected with the control center through the GPRS module and receives the control command issued by the control center, the CAN bus is connected with the vehicle-mounted ECU, and the CAN bus is responsible for sending the control command to the vehicle-mounted ECU.
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| CN202110286977.4A CN113034746A (en) | 2021-03-17 | 2021-03-17 | Truck remote control system and control method |
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| CN202110286977.4A CN113034746A (en) | 2021-03-17 | 2021-03-17 | Truck remote control system and control method |
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