CN106406281A - Safety remote control system for electric vehicle, and method thereof - Google Patents

Safety remote control system for electric vehicle, and method thereof Download PDF

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Publication number
CN106406281A
CN106406281A CN201610891038.1A CN201610891038A CN106406281A CN 106406281 A CN106406281 A CN 106406281A CN 201610891038 A CN201610891038 A CN 201610891038A CN 106406281 A CN106406281 A CN 106406281A
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Prior art keywords
control unit
data terminal
full
unit
platform server
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CN201610891038.1A
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Chinese (zh)
Inventor
宋波
李红朋
盛旺
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Chengdu Yajun New Energy Automobile Technology Co Ltd
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Chengdu Yajun New Energy Automobile Technology Co Ltd
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Priority to CN201610891038.1A priority Critical patent/CN106406281A/en
Publication of CN106406281A publication Critical patent/CN106406281A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • H04L67/125Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0816Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
    • H04L9/0819Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/08Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
    • H04L9/0861Generation of secret information including derivation or calculation of cryptographic keys or passwords
    • H04L9/0869Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computing Systems (AREA)
  • Automation & Control Theory (AREA)
  • General Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Selective Calling Equipment (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a safety remote control system used for an electric vehicle, and a control method of the safety remote control system. The safety remote control system comprises a vehicle-mounted unit and a non-vehicle-mounted unit, wherein the vehicle-mounted unit and the non-vehicle-mounted unit are connected through a mobile data network; the non-vehicle-mounted unit comprises a remote platform server and a plurality of user terminals connected with the remote platform server; the vehicle-mounted unit comprises a data terminal and a centralized controller connected with the data terminal, and the centralized controller is further connected with a plurality of action execution units; the centralized controller comprises a complete vehicle control unit and a plurality of action control units connected with the complete vehicle control unit; each action control unit is connected with the corresponding action execution unit; and complete vehicle control unit is further connected with the data terminal. The safety remote control system simplifies and integrates vehicle-mounted control units into the independent centralized controller, thereby reducing the complexity of the structure and links of the safety remote control system, reducing failure links, and being simple and reliable.

Description

A kind of secure remote control system for electric automobile and its method
Technical field
The present invention relates to electric automobile field, particularly a kind of secure remote control system for electric automobile and its side Method.
Background technology
Increasingly deepen with energy crisis, electric automobile is flourished and continuous fusion with Internet industry, energy-saving ring The electric automobile protected more and more is paid close attention to by people, becomes one of focus of automobile industry development.
Electric automobile with remote control function is even more widely popularized and is got a good review in recent years.For example, in burning sun Scorching summer, most car owner tends to first start air-conditioning, drives after in-car pre-cooling again, then carries remote air conditioner control function Electric automobile be subject to the high praise of manufacturer and favoring of car owner.Certainly, remote control function is far above in this, also long-range headlight Control function, remote de-locking car door function, remote activation vehicle functions etc., remote control function can meet client's due to it Individual demand and pursued.
At present, the remote control function of electric automobile is mainly realized by tele-control system, and system mainly comprises off-board Part and on-vehicle parts.The electronic control unit number that on-vehicle parts include is various, and system structure is complicated;Logical between each control unit Cross CAN to connect, total inorganic nitrogen is high;And data communication is plain code transmission, poor stability.In transmitting procedure, long-range control System processed is composed in series by wire/radio network, mobile data network, CAN network and wire harness wired network, link structure Complexity, system easily lost efficacy and malfunctioned;System data transmission link is tired of many, poor stability, is easily maliciously kidnapped and distorts.
Content of the invention
The problem existing for above-mentioned prior art, the present invention provides a kind of safety long-distance for electric automobile to control system System and its method.
A kind of secure remote control system for electric automobile, including:Board units and off-board unit, board units It is attached by mobile data network with off-board unit;Wherein, off-board unit includes:Remote platform server and with Its some user terminal being connected, board units include:Data terminal and coupled Centralized Controller, data terminal with Remote service platform is connected, and Centralized Controller is also connected with some action execution unit;
Centralized Controller includes:Full-vehicle control unit and coupled some action control unit, and action control list The corresponding action execution unit of unit is connected, and full-vehicle control unit is also connected with data terminal.
Further, remote platform server is TSP remote platform server, and data terminal is T-BOX data terminal.
Further, data terminal is connected by CAN with Centralized Controller, full-vehicle control unit and action control list Unit passes through internal bus(SPI, IIC)It is connected.
Based on a kind of control method of above-mentioned secure remote control system for electric automobile, step is as follows:
Step one:User sends order to remote platform server by user terminal;
Step 2:Remote platform server is encrypted to it after receiving order, packs, and packed message is sent to number According to terminal;
Step 3:Data terminal is parsed to message and is deciphered, and then carries out secondary packing to the message after deciphering, and sends To full-vehicle control unit, then by full-vehicle control unit, the message of secondary packing is parsed;
Step 4:Full-vehicle control unit parsed after control data order after, the legitimacy of control command is judged, If legal, enter step 5 after preserving control command, if illegally, do not preserve control command and enter step 6;
Step 5:Action execution unit executes control command;
Step 6:Action execution unit does not execute control command.
Further, in step 4 and step 5, it is judged as legal and executes comprising the following steps that of control command:
4.1.1 :The dynamic random code generating is returned to data terminal by full-vehicle control unit;
4.1.2 :Data terminal returns to remote platform server by after random code encryption and packing, and is serviced by remote platform Device is parsed and is deciphered;
4.1.3 :Remote platform server calls AES generates key, sends after then processing encrypted for key, packing To data terminal;
4.1.4 :After the key receiving message is parsed and deciphers by data terminal, it is forwarded to full-vehicle control unit, and by Full-vehicle control unit is verified to key;
4.1.5 :If key authentication success, full-vehicle control unit generate correct code, and the control command of preservation is forwarded to right The action control unit answered, and then corresponding action execution unit is operated by this action control unit, if authentication failed, action is held Row unit is not responding to.
Further, if key authentication success, the correct code that full-vehicle control unit will generate, through data terminal, remotely put down Platform server is progressively back to corresponding user terminal and shows.
Further, if key authentication failure, following steps are executed;
4.1.6 :Judge whether the proving time is overtime or whether number of attempt transfinites, if so, then key authentication failure, enters step Rapid six, if it is not, then full-vehicle control unit response faultcode, and it is sent to remote platform service by after data terminal encryption, packing Device, it is desirable to re-start key authentication, enters step 4.1.3.
Further, in step 4 neutralization procedure six, it is judged as illegal and does not execute comprising the following steps that of control command;
4.2.1 :Full-vehicle control unit makes Negative Acknowledgment to illegal order, simultaneously generation error code, encrypted by data terminal, It is sent to remote platform server after packing;
4.2.2 :After remote platform server receives error code, parsed and deciphered, and returned to user terminal and shown Show, action execution unit is not responding to.
Further, remote platform server data terminal all follow corresponding encryption, decipherment algorithm packed and Parsing, and using OTA agreement, data message is packaged and transmits.
Further, described random code and key are the hexadecimal code of 32.
Compared with prior art, the invention has the advantages that:
1. control system proposed by the invention, by simplifying and integrated vehicular control unit individually collects so as to become one Middle controller, this has not only simplified tele-control system structure and the complexity of link, decreases inefficacy link, not only simple but also Reliable.
2. the CAN passing through to cancel between scattered vehicular control unit connects, between reducing due to vehicular control unit The security risk that the plain code transmission of CAN brings, improves the reliability of tele-control system.
3. by the data transfer between data terminal and Centralized Controller is added with the hexadecimal dynamic random code of 32 And key authentication, improve the safety of tele-control system, effectively prevent data and maliciously kidnapped and distort.
4. adopt " request/response " transmission mechanism of shaking hands of question-response, significantly reduce CAN load factor, subtract Lack the communication flows transmitting by mobile data network between TSP remote platform server and data terminal, ensure long-range control In the case of system is normally functioning, saves data communication rate, so that user's its usage economy is significantly improved.
Brief description
Fig. 1 is the system block diagram of the present invention.
Fig. 2 is the internal structure block diagram of Centralized Controller.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples, and embodiments of the present invention include but is not limited to The following example.
Embodiment one
A kind of secure remote control system for electric automobile as depicted in figs. 1 and 2, including:Board units and off-board Unit, board units are attached by mobile data network with off-board unit;Wherein, off-board unit includes:Remotely put down Platform server and coupled some user terminals, board units include:Data terminal and coupled concentration control Device processed, data terminal is connected with remote service platform, and Centralized Controller is also connected with some action execution unit;
Centralized Controller includes:Full-vehicle control unit and coupled some action control unit, and action control list The corresponding action execution unit of unit is connected, and full-vehicle control unit is also connected with data terminal.
In the present embodiment, remote platform server is TSP remote platform server, and data terminal is T-BOX data terminal.
In the present embodiment, data terminal is connected by CAN with Centralized Controller, full-vehicle control unit and action control Unit passes through internal bus and is connected, and internal bus can be SPI or IIC, it is possible to use other types being suitable for.
Embodiment two
The control method based on a kind of above-mentioned secure remote control system for electric automobile for the present embodiment, step is as follows:
Step one:User sends order to remote platform server by user terminal;
Step 2:Remote platform server is encrypted to it after receiving order, packs, and packed message is sent to number According to terminal;
Step 3:Data terminal is parsed to message and is deciphered, and then carries out secondary packing to the message after deciphering, and sends To full-vehicle control unit, then by full-vehicle control unit, the message of secondary packing is parsed;
Step 4:Full-vehicle control unit parsed after control data order after, the legitimacy of control command is judged, If legal, enter step 5 after preserving control command, if illegally, do not preserve control command and enter step 6;
Step 5:Action execution unit executes control command;
Step 6:Action execution unit does not execute control command.
In the step 4 and step 5 of the present embodiment, it is judged as legal and executes comprising the following steps that of control command:
4.1.1 :The dynamic random code generating is returned to data terminal by full-vehicle control unit;
4.1.2 :Data terminal returns to remote platform server by after random code encryption and packing, and is serviced by remote platform Device is parsed and is deciphered;
4.1.3 :Remote platform server calls AES generates key, sends after then processing encrypted for key, packing To data terminal;
4.1.4 :After the key receiving message is parsed and deciphers by data terminal, it is forwarded to full-vehicle control unit, and by Full-vehicle control unit is verified to key;
4.1.5 :If key authentication success, full-vehicle control unit generate correct code, and the control command of preservation is forwarded to right The action control unit answered, and then corresponding action execution unit is operated by this action control unit, if authentication failed, action is held Row unit is not responding to.
In the present embodiment, if key authentication success, the correct code that full-vehicle control unit will generate, through data terminal, remotely Platform Server is progressively back to corresponding user terminal and shows.
In the present embodiment, if key authentication failure, execute following steps;
4.1.6 :Judge whether the proving time is overtime or whether number of attempt transfinites, if so, then key authentication failure, enters step Rapid six, if it is not, then full-vehicle control unit response faultcode, and it is sent to remote platform service by after data terminal encryption, packing Device, it is desirable to re-start key authentication, enters step 4.1.3.
In step 4 and step 6, it is judged as illegal and does not execute comprising the following steps that of control command;
4.2.1 :Full-vehicle control unit makes Negative Acknowledgment to illegal order, simultaneously generation error code, encrypted by data terminal, It is sent to remote platform server after packing;
4.2.2 :After remote platform server receives error code, parsed and deciphered, and returned to user terminal and shown Show, action execution unit is not responding to.
In the present embodiment, remote platform server data terminal all follows corresponding encryption, decipherment algorithm is packed And parsing, and using OTA agreement, data message is packaged and transmits.
In the present embodiment, described random code and key are the hexadecimal code of 32.
Embodiment three
The present embodiment in conjunction with the embodiments one with embodiment two, and the control, to the present invention taking the charge function of electric automobile as a example Method is illustrated.
When charging normal, first long-range charge control request command is submitted to by user terminal, TSP remote platform server connects After receiving request command, order is encrypted and according to OTA protocol packing, and will be packed by remote platform server Message sends to T-BOX data terminal;Data terminal follows OTA agreement and AES analytic message, after the completion of packet parsing, Also need to, according to CAN agreement and the secondary packing of application protocol, then the control command message of packing is forwarded to car load control Unit processed, is parsed after full-vehicle control unit receives message again.
If full-vehicle control unit detects the control command of reception, the request control command of current parsing can be closed Method judges, if legal, full-vehicle control unit can preserve this control command, and will be random for dynamic 32 hexadecimals generating Code returns to data terminal;Again remote platform server is returned to by data terminal, remote platform server receives random code After AES can be called to generate corresponding 32 hexadecimal keys, after then processing encrypted for key, packing, through data Terminal is forwarded to full-vehicle control unit, the key receiving is parsed again and verified by full-vehicle control unit, be proved to be successful After charge request order can be forwarded to charge controller, then by charge controller control execution unit open charge function;Fill Electricity Functional open successful state be progressively back to through full-vehicle control unit, data terminal, remote platform server more corresponding User terminal is simultaneously shown.

Claims (10)

1. a kind of secure remote control system for electric automobile is it is characterised in that include:Board units and off-board list Unit, board units are attached by mobile data network with off-board unit;Wherein, off-board unit includes:Remote platform Server and coupled some user terminals, board units include:Data terminal and coupled centralized Control Device, data terminal is connected with remote service platform, and Centralized Controller is also connected with some action execution unit;
Centralized Controller includes:Full-vehicle control unit and coupled some action control unit, and action control list The corresponding action execution unit of unit is connected, and full-vehicle control unit is also connected with data terminal.
2. a kind of secure remote control system for electric automobile according to claim 1 is it is characterised in that remotely put down Platform server is TSP remote platform server, and data terminal is T-BOX data terminal.
3. a kind of secure remote control system for electric automobile according to claim 1 is it is characterised in that data is whole End is connected by CAN with Centralized Controller, and full-vehicle control unit is connected by internal bus with action control unit.
4. the controlling party based on a kind of secure remote control system for electric automobile described in claim 1-3 any one Method is it is characterised in that step is as follows:
Step one:User sends control data order to remote platform server by user terminal;
Step 2:Remote platform server is encrypted to it after receiving order, packs, and packed message is sent to number According to terminal;
Step 3:Data terminal is parsed to message and is deciphered, and then carries out secondary packing to the message after deciphering, and sends To full-vehicle control unit, then by full-vehicle control unit, the message of secondary packing is parsed;
Step 4:Full-vehicle control unit parsed after control data order after, the legitimacy of control command is judged, If legal, enter step 5 after preserving control command, if illegally, do not preserve control command and enter step 6;
Step 5:Action execution unit executes control command;
Step 6:Action execution unit does not execute control command.
5. the control method of a kind of secure remote control system for electric automobile according to claim 4, its feature It is, in step 4 and step 5, be judged as legal and execute comprising the following steps that of control command:
4.1.1 :The dynamic random code generating is returned to data terminal by full-vehicle control unit;
4.1.2 :Data terminal returns to remote platform server by after random code encryption and packing, and is serviced by remote platform Device is parsed and is deciphered;
4.1.3 :Remote platform server calls AES generates key, sends after then processing encrypted for key, packing To data terminal;
4.1.4 :After the key receiving message is parsed and deciphers by data terminal, it is forwarded to full-vehicle control unit, and by Full-vehicle control unit is verified to key;
4.1.5 :If key authentication success, full-vehicle control unit generate correct code, and the control command of preservation is forwarded to right The action control unit answered, and then corresponding action execution unit is operated by this action control unit, if authentication failed, action is held Row unit is not responding to.
6. the control method of a kind of secure remote control system for electric automobile according to claim 5, its feature It is, if key authentication success, the correct code that full-vehicle control unit will generate, through data terminal, remote platform server progressively It is back to corresponding user terminal and show.
7. the control method of a kind of secure remote control system for electric automobile according to claim 5, its feature It is, if key authentication failure, execute following steps:
4.1.6 :Judge whether the proving time is overtime or whether number of attempt transfinites, if so, then key authentication failure, enters step Rapid six, if it is not, then full-vehicle control unit response faultcode, and it is sent to remote platform service by after data terminal encryption, packing Device, it is desirable to re-start key authentication, enters step 4.1.3.
8. the control method of a kind of secure remote control system for electric automobile according to claim 4, its feature It is, in step 4 and step 6, be judged as illegal and do not execute comprising the following steps that of control command;
4.2.1 :Full-vehicle control unit makes Negative Acknowledgment to illegal order, simultaneously generation error code, encrypted by data terminal, It is sent to remote platform server after packing;
4.2.2 :After remote platform server receives error code, parsed and deciphered, and returned to user terminal and shown Show, action execution unit is not responding to.
9. the control method of a kind of secure remote control system for electric automobile according to claim 4, its feature It is, remote platform server data terminal all follows corresponding encryption, decipherment algorithm is packed and parsed, and adopts OTA agreement is packaged to data message and transmits.
10. the control method of a kind of secure remote control system for electric automobile according to claim 4, its feature It is, random code and key are the hexadecimal code of 32.
CN201610891038.1A 2016-10-12 2016-10-12 Safety remote control system for electric vehicle, and method thereof Pending CN106406281A (en)

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