CN2932844Y - Vehicle body controller that supports multiple bus connection - Google Patents
Vehicle body controller that supports multiple bus connection Download PDFInfo
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- CN2932844Y CN2932844Y CN 200620029071 CN200620029071U CN2932844Y CN 2932844 Y CN2932844 Y CN 2932844Y CN 200620029071 CN200620029071 CN 200620029071 CN 200620029071 U CN200620029071 U CN 200620029071U CN 2932844 Y CN2932844 Y CN 2932844Y
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Abstract
The utility model relates to a coach controller capable of multi-bus connection for automobile automatic control which comprises gateway that is connected between CAN, LIN, MOST based on operation of microcontroller and wire bus, control signal processing module, CAN control module, LIN control module, MOST control module and an one-wire control module, the gateway is connected with the control signal processing module, the CAN control module, the LIN control module, the MOST control module and the one-wire control module in the form of data transformation, receives control or feedback signal from the above modules, and transfers the signal to the relative control module according to destination address information carried with control or feedback signal. The utility model integrates power transmission control system, coach control system, vehicle carrying multimedia control system and fault diagnosis into a network control system to realize network connection and control management.
Description
Technical field
The utility model relates to automobile automatic control technology equipment, the car body controller that particularly a kind of CAN of support (Controller AreaNetwork controller local area network), LIN (the local network that connects of Local Interconnect Network), MOST (network standard that MediaOriented Systems Transport media information transmits) are connected with " a line system " multiple bus.
Background technology
For simplifying automobile automatic control system equipment, especially be the use of minimizing and simplifying relay, and the simplification of wiring harness structure under the said function, to improve the auto production line efficiency of assembling, reduce driving faults, to reduce maintenance cost, be one of hot technology of being sought of current Automobile Design specialty.At present, relevant this technological improvement situation basic as below.
The Wei Lunwen of automotive electronic technology research institute of Shanghai Communications University, Gong Yuanming " based on the CAN/LIN design of Vehicle Body Bus " (" electromechanical integration " 2006 1 the phase-27-31) report in the literary composition, the body control system based on the CAN/LIN bus of author designed comprises door control system, lamp light control system and instrument display system.This system is provided with 8 nodes on low speed LIN bus, but analog signal, digital signal or the switching signal of receiving sensor output, handle through ECU, be converted to the data message form that on the LIN bus, to communicate by letter, simultaneously the LIN transceiver can send to this Frame on the LIN bus again under the control of ECU, and the data message that receives from the LIN bus is converted to can actuate actuators or the analog signal or the digital signal of illuminating lamp.But it does not form complete body control system.
Shanghai Communications University's electrical engineering is that people such as Yao Lei have designed and developed " based on the body electronics electrical equipment network control system of CAN/LIN bus ", by left and right front car light module, left and right back car light module, left and right rearview mirror module, car item lighting control module, compositions such as unit switch module.On the basis of the design of hardware and software of Body Control topology of networks, each CAN/LIN control module; studied the method for software and hardware of intelligent drives, Redundancy Design, interference protection measure, abnormal protection, failure diagnosis and the warning of module, and the low power dissipation design of control module etc.The Control Network of finishing has been carried out entrucking-(2005 12 phase 71-72 of design " industrial control computer " of total linearize Body Control and diagnostic system, 74) in Santana 2000.But this system fails to accomplish to the comprehensive logical process that connects of input/output device control signal.
People such as the Ding Yang of Mechanical ﹠ Vehicle Engineering College, Beijing Technology Univ. are at " based on the electric motor coach body control system research of CAN/LIN " (" car electrics " 2 phases-1-4 in 2006,8) report in the literary composition, the author has carried out CAN bus and the application study of LIN bus in electronic motor bus body control system, designed the body network system structure, 8 single-chip microcomputer 68HC908GZ16 that select Freescale (Motorola) company for use are that core has been carried out node hardware circuit design and software design, and network system has been carried out emulation and test.But this cover system is used for motor bus, does not obtain service testing on other vehicles.
The Hua Tao of Department of Automation of Tsing-Hua University, Yang Xianhui, Song Minghao have designed one " based on the automobile door lock control system of CAN/LIN network ".This system is made of a LIN child node of controlling each car door lock as host node and several of CAN/LIN gateway, and automobile door lock adopts wireless telecontrol electronic lock-(based on the automobile door lock control system " application of electronic technology " of CAN/LIN network 2005 11 phase-29-32).This system by gateway as host node, influenced whole bus network topological structure, limited the transmitting-receiving rule of network.
The Cui Jun of Department of Automation of Tsing-Hua University cutting edge of a knife or a sword, Yuan Taozai " design of CAN/LIN gateway and realization in the vehicle body hybrid network " (" microcomputer information " 2006 3 the phase-201-204) in the literary composition, a kind of design of CAN/LIN gateway and gateway hardware, method of software realization have been proposed, and use the design philosophy of virtual CAN node, realized hybrid network unanimity, transparent data communication.This system has only realized the gateway translation function of the low speed CAN/LIN network segment, and the power train that does not the add high-speed CAN control connection of safety detecting system of unifying has limitation.
Shanghai Communications University's electrical engineering is that people such as yellow bent dish have proposed automobile CAN/LIN hybrid network system cheaply in " based on the body control system of CAN bus/LIN bus " literary composition, and designed the gateway of CAN/LIN exchanges data, make the in-vehicle network data fully share-(" industrial control computer " 2004 10 the phase-5-7).This system has added high-speed CAN bus network such as engine control system, power steering system, but application controller control high-speed CAN bus does not realize automatic network communication.
" vehicle body CAN bus control system " application for a patent for invention of Zhejiang Zhongke Zhengfang Electronic Technology Co., Ltd. (application number: 200410087673.1), only realized the gateway of CAN-LIN conversion.
More than existing Fieldbus Based body control system all is application CAN-LIN gateway, is connected with CAN, LIN control module by CAN, LIN interface, by each bus network control unit, realizes the control to low speed car body components such as car door, car lights.Exist following defective: the bus protocol that its protocol conversion function is single, connect only limit to low speed CAN and LIN, control signal comprehensively by the relay logic of complexity realize, on the car each building block spread the work, independent control.
Summary of the invention
The purpose of this utility model is to propose a kind of car body controller of supporting that multibus connects, power transmission control system, body control system, vehicle mounted multimedia control system and fault diagnosis system are integrated into a network control system, realize that networking connects and control and management.
The utility model is supported the car body controller that multibus connects, it is characterized in that comprising based on interconnected gateway between CAN, LIN, MOST and the 1-wire bus of microcontroller operation, the control signal processing module, the CAN control module, the LIN control module, a MOST control module and a line system control module;
Wherein, one end of control signal processing module connects the Body Control output equipment by parallel port or analog quantity interface, the control signal that reception Body Control output equipment sends is done filtering, level conversion is handled, the other end is connected with gateway, the control signal of handling is passed to gateway, an end connects the Body Control feedback device by parallel port or analog quantity interface again, and processing sends to the Body Control feedback device to the feedback signal that gateway is passed back through level conversion;
Gateway is with form connection control signal processing module, CAN control module, LIN control module, MOST control module and a line system control module of transfer of data, receive control or feedback signal that above-mentioned module is sent, it is transferred to the control corresponding module according to the destination address information of controlling or feedback signal is carried;
One end of CAN control module is connected with gateway with the form of transfer of data, the CAN control module receives control signal from gateway, by CAN bus protocol form control signal is packaged into the CAN Frame, the other end connects high-speed CAN bus system and low speed CAN bus system respectively by the CAN bus interface of microcontroller chip setting, output CAN control signal data frame, receive the feedback signal Frame that high-speed CAN bus system and low speed CAN bus system are sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of LIN control module is connected with gateway with the form of transfer of data, the LIN control module receives control signal from gateway, by LIN bus protocol form control signal is packaged into the LIN Frame, the other end connects the LIN bus system by the LIN bus interface that microcontroller chip is provided with, output LIN control signal data frame, receive the feedback signal Frame that the LIN bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of MOST control module is connected with gateway with the form of transfer of data, the MOST control module receives control signal from gateway, by MOST bus protocol form control signal is packaged into the MOST Frame, the other end connects the MOST bus system by the MOST bus interface that microcontroller chip is provided with, output mos T control signal data frame, receive the feedback signal Frame that the control signal bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of one line system control module is connected with gateway with the form of transfer of data, one line system control module receives control signal from gateway, by the 1-wire bus protocol format with the control signal being aligned system Frame of packing, the other end connects the 1-wire bus system by the 1-wire bus interface that microcontroller chip is provided with, export a line system control signal data frame, receive the feedback signal Frame that the control signal bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component.
The utility model supports the operation principle of the car body controller that multibus connects to be:
Gateway is as the software function core of network control microcontroller on the car, the control signal that the control signal processing module receives is passed through CAN control module, LIN control module, MOST control module and " a line system " control module, send to the respective electric parts onboard on the bus network of sub-control system, realize control; Simultaneously the execution feedback signal of this control signal is passed to Control and Feedback equipment, realize on-site data gathering and Control and Feedback.Its signal processing flow is:
After the control signal (as rising left front vehicle window etc.) that control output equipment (as the window lifting button etc.) sends arrives microcontroller, at first by the control signal processing module do filtering, level conversion sends to gateway after handling.The bus difference at the electric component place that will control according to the control signal received of gateway is dispatched different control modules this control signal is transferred to sub-control system on its corresponding car afterwards; If control signal will send to the CAN bus, the CAN control module just receives control signal from gateway, by CAN bus protocol form control signal is packaged into the CAN Frame, again by microcontroller chip SPI port
SPIMISO0, SPIMOSI0, SPICLK0 pin send to the CAN network transceivers to control signal, pass to the electric component on the CAN bus network again, control is based on the power drive system of high-speed CAN bus (as speed data collection etc.), based on fault diagnosis system on the low speed CAN bus and part body control system (as air-conditioning system, seat etc.); If control signal will send to the LIN bus, the LIN control module receives control signal from gateway, be packaged into the LIN Frame by LIN bus protocol form, serial line interface by microcontroller chip carries out level conversion again, through the LIN network transceivers control signal is sent to electric component on the LIN bus network, control is based on the body control system (as vehicle window, car door, car light etc.) of LIN bus; If control signal will send to the MOST bus, the MOST control module receives control signal from gateway, is packaged into the MOST Frame by MOST bus protocol form, again the I by microcontroller chip
2CSCL, I
2The I of CSDA pin and the control of responsible MOST Network Transmission
2C interface connects, with the I of microcontroller chip
2SLRCK, I
2SSCLK, CDCLK, I
2SSDI, I
2The I of SSDO pin and responsible MOST network data transmission
2The S interface connects, and through the MOST network controller control signal is sent to electric component on the MOST bus network, and control is based on the vehicle mounted multimedia control system (as the MOST multimedia player) of MOST bus; If control signal mails to " a line system " bus, " a line system " control module just receives control signal from gateway, be packaged into " a line system " Frame by " a line system " bus protocol form, master 4514 and J4514 pin by microcontroller chip sends to control signal " a line system " controller again, realizes being connected with " a line system " controller and it being controlled; CAN control module, LIN control module, MOST control module and " a line system " control module receive execution feedback signal (as the speed information etc.) Frame of electric component then, it is unpacked the generation feedback signal pass to gateway again, gateway carries out level conversion by the control signal processing module with feedback signal, is sent to Control and Feedback equipment (as instrument display panel etc.) again and further handles.
This project has two key technologies from systemic-function, and one is CAN, LIN, MOST and " a line system " connection and Interworking GateWay; One is the comprehensive and switch technology of body electronics electrical control signal.By using vehicle body control unit to solve this two problems based on microcontroller.
From the network connection angle, control unit based on microcontroller can be connected on control output equipment, Control and Feedback equipment and CAN, LIN, MOST, " a line system " bus network by control signal processing module, CAN control module, LIN control module, MOST control module and " a line system " control module, also just realized and being connected of these networks, and realize the procotol conversion by software, realize with various cars on the networking of electric component be connected and control transmission, realize gateway function, solve bus network transmission and signal and obtain problem.
Comprehensive and switch technology is used the control unit based on microcontroller for the body electronics electrical appliance control signal, realizes the signal synthesis and the conversion logic of various controlled function by software.Solution is: be made up of communication module, sensor signal separation module, real-time data base, controller module and actuator signal transport module.Communication module unpacks for packing by the transmission signals of various buses; For the information that passes to microcontroller, unpack by the sensor signal separation module, isolate various sensor signals and send into real-time data base; Real-time data base is passed to controller module respectively with these signals; Calculate after the control signal passback by controller module according to control strategy (control algolithm) and give real-time data base; Passing to the actuator signal transport module then packs; Give communication module again and be sent to corresponding controlled unit.So not only can realize signal synthesis relation complicated, that the traditional relay transmission means can't realize, and simplify the logic of drive part, can adjust the logical relation of output control signal flexibly, be easy to expand and on different automobile types, promote.
Adopt the utility model to support the car body controller that multibus connects, power transmission electronic control system (high-speed CAN), fault diagnosis system (low speed CAN), body control system (low speed CAN and LIN) and vehicle mounted multimedia control system (MOST) are connected to become network control system on the car, support the connection of " a line system " controller.This technology can realize that by supporting the connection of the multiple bus that vehicle body equipment uses the vehicle body equipment of multiple different bus standard is matched according to performance optimizations such as prices on same car, realize the information sharing and the devices interconnect of various bus standard equipment rooms.Adopt microprocessor controls to finish input, signal synthesis and the controlled function of various signals on the car, realize the control signal synthetic relationship of any complexity; The input/output signal adjustment is flexible, and supports to reduce the use of large power semiconductor device and even do not use relay, has reduced the use of non-ferrous metal.
Description of drawings
Fig. 1 supports the car body controller principle of compositionality block diagram that multibus connects for the utility model;
Fig. 2 is the utility model circuit theory diagrams.
Specific implementation method
With reference to Fig. 1, the utility model is supported the car body controller that multibus connects, it is characterized in that comprising based on interconnected gateway between CAN, LIN, MOST and the 1-wire bus of microcontroller operation, the control signal processing module, the CAN control module, the LIN control module, a MOST control module and a line system control module;
Wherein, one end of control signal processing module connects the Body Control output equipment by parallel port or analog quantity interface, the control signal that reception Body Control output equipment sends is done filtering, level conversion is handled, the other end is connected with gateway, the control signal of handling is passed to gateway, an end connects the Body Control feedback device by parallel port or analog quantity interface again, and processing sends to the Body Control feedback device to the feedback signal that gateway is passed back through level conversion;
Gateway is with form connection control signal processing module, CAN control module, LIN control module, MOST control module and a line system control module of transfer of data, receive control or feedback signal that above-mentioned module is sent, it is transferred to the control corresponding module according to the destination address information of controlling or feedback signal is carried;
One end of CAN control module receives control signal from gateway, by CAN bus protocol form control signal is packaged into the CAN Frame, and CAN bus interface that the other end is provided with by microcontroller chip (is a microcontroller chip SPI port
SPIMISO0, SPIMOSI0, SPICLK0 pin) connect high-speed CAN bus system (being power drive system) and low speed CAN bus system (fault diagnosis system, body control system) respectively, output CAN control signal data frame, receive the feedback signal Frame that high-speed CAN bus system and low speed CAN bus system are sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of LIN control module receives control signal from gateway, by LIN bus protocol form control signal is packaged into the LIN Frame, the other end connects LIN bus system (body control system) by the LIN bus interface (being the serial line interface of microcontroller chip) that microcontroller chip is provided with, output LIN control signal data frame, receive the feedback signal Frame that the LIN bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of MOST control module receives control signal from gateway, by MOST bus protocol form control signal is packaged into the MOST Frame, and the other end (is microcontroller chip I by the MOST bus interface that microcontroller chip is provided with
2The I of C interface
2CSCL, I
2CSDA pin and I
2The I of S interface
2SLRCK, I
2SSCLK, CDCLK, I
2SSDI, I
2The SSDO pin) connects MOST bus system (vehicle mounted multimedia control system), output mos T control signal data frame, receive the feedback signal Frame that the control signal bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of one line system control module receives control signal from gateway, by the 1-wire bus protocol format with the control signal being aligned system Frame of packing, the other end is connected the 1-wire bus system by the 1-wire bus interface (being the master 4514 and J4514 pin of microcontroller chip) that microcontroller chip is provided with, export a line system control signal data frame, receive the feedback signal Frame that the control signal bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component.
With reference to Fig. 2, with the embodiment of ARM9 microcontroller, circuit composition of the present utility model is described further as car body controller, the CAN transponder chip is selected MCP251 for use, and the MOST controller chip is selected OS8104 for use, and the LIN transponder chip is selected TJA1020 for use.
The control output equipment links to each other with the parallel port SDI of ARM9 microcontroller with Control and Feedback equipment, and the ARM9 microcontroller receives the control signal that the control output equipment sends, and carries out signal synthesis and level conversion, the whereabouts of analysis and Control signal; If control signal will pass to the CAN bus, the ARM9 microcontroller is by the SPI port
GPE11～13 are connected with CAN transceiver MCP2510, and control signal is sent to electric component on the CAN bus network; If control signal will pass to the MOST bus, the ARM9 microcontroller connects the I that is responsible for MOST transmitting-receiving control and media delivery respectively by GPE14～15, GPE0～4 ports
2C and I
2The S interface, process MOST controller chip OS8104 sends to control signal the multimedia player of MOST bus network; If control signal will pass to the LIN bus, the serial line interface TX/RX of ARM9 microcontroller is by the existing level conversion of RS232 cause for gossip, by LIN transceiver TJA1020 control signal sent to electric component on the LIN bus network again; If control signal will pass to " a line system " controller, the ARM9 microcontroller is connected " a line system " controller by main 4514 with the J4514 pin, by the control of " a line system " controller link block operation " a line system " agreement realization to " a line system " controller; The ARM9 microcontroller receives the feedback signal after electric component is carried out control signal, passes to be shown or processing such as feedback output equipment by the parallel port.
Claims (2)
1. car body controller of supporting that multibus connects, it is characterized in that comprising based on interconnected gateway between CAN, LIN, MOST and the 1-wire bus of microcontroller operation, control signal processing module, CAN control module, the LIN control module, a MOST control module and a line system control module;
Wherein, one end of control signal processing module connects the Body Control output equipment by parallel port or analog quantity interface, the control signal that reception Body Control output equipment sends is done filtering, level conversion is handled, the other end is connected with gateway, the control signal of handling is passed to gateway, an end connects the Body Control feedback device by parallel port or analog quantity interface again, and processing sends to the Body Control feedback device to the feedback signal that gateway is passed back through level conversion;
Gateway is with form difference connection control signal processing module, CAN control module, LIN control module, MOST control module and a line system control module of transfer of data, receive control or feedback signal that above-mentioned module is sent, it is transferred to the control corresponding module according to the destination address information of controlling or feedback signal is carried;
One end of CAN control module receives control signal from gateway, by CAN bus protocol form control signal is packaged into the CAN Frame, the other end connects high-speed CAN bus system and low speed CAN bus system respectively by the CAN bus interface of microcontroller chip setting, output CAN control signal data frame, receive the feedback signal Frame that high-speed CAN bus system and low speed CAN bus system are sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of LIN control module receives control signal from gateway, by LIN bus protocol form control signal is packaged into the LIN Frame, the other end connects the LIN bus system by the LIN bus interface that microcontroller chip is provided with, output LIN control signal data frame, receive the feedback signal Frame that the LIN bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of MOST control module receives control signal from gateway, by MOST bus protocol form control signal is packaged into the MOST Frame, the other end connects the MOST bus system by the MOST bus interface that microcontroller chip is provided with, output mos T control signal data frame, receive the feedback signal Frame that the control signal bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component;
One end of one line system control module receives control signal from gateway, by the 1-wire bus protocol format with the control signal being aligned system Frame of packing, the other end connects the 1-wire bus system by the 1-wire bus interface that microcontroller chip is provided with, export a line system control signal data frame, receive the feedback signal Frame that the control signal bus system is sent simultaneously, it is unpacked the generation feedback signal mail to gateway, realize the collection of on-site signal and the control of electric component.
2, the car body controller of support multibus connection according to claim 1 is characterized in that the port by microcontroller chip SPI
SPIMISOO, SPIMOSIO, SPICLKO pin are as the CAN bus interface of described microcontroller chip; By the serial line interface of microcontroller chip as described microcontroller chip LIN bus interface; By microcontroller chip I
2The I of C interface
2CSCL, I
2CSDA pin and I
2The I of S interface
2SLRCK, I
2SSCLK, CDCLK, I
2SSDI, I
2The SSDO pin is as described microcontroller chip MOST bus interface; By the master 4514 of microcontroller chip and J4514 pin as described microcontroller chip 1-wire bus interface.
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| CN 200620029071 CN2932844Y (en) | 2006-07-18 | 2006-07-18 | Vehicle body controller that supports multiple bus connection |
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| CN 200620029071 CN2932844Y (en) | 2006-07-18 | 2006-07-18 | Vehicle body controller that supports multiple bus connection |
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Cited By (16)
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| CN102009627A (en) * | 2010-11-25 | 2011-04-13 | 奇瑞汽车股份有限公司 | Controller area network (CAN) and local interconnect network (LIN) bus-based vehicular network communication system |
| CN101639698B (en) * | 2009-08-26 | 2011-08-31 | 意昂神州（北京）科技有限公司 | Electrical test system and method of automotive body based on CAN bus |
| CN101458525B (en) * | 2008-10-10 | 2012-07-11 | 奇瑞汽车股份有限公司 | Automatic identification method for electric-controlled unit collocation |
| CN102611719A (en) * | 2011-01-21 | 2012-07-25 | 汽车零部件研究及发展中心有限公司 | Vehicle-mounted MOST (Media Oriented Systems Transport) network system |
| CN101799686B (en) * | 2009-12-25 | 2013-07-17 | 奇瑞汽车股份有限公司 | Vehicle-mounted diagnosis system |
| WO2014000284A1 (en) * | 2012-06-29 | 2014-01-03 | Harman International (Shanghai) Management Co., Ltd. | Method and apparatus for uniform access of onboard devices |
| CN103731156A (en) * | 2013-12-12 | 2014-04-16 | 杨康 | Car window side door virtual key input detection method and device |
| CN104914849A (en) * | 2015-05-12 | 2015-09-16 | 安徽江淮汽车股份有限公司 | Fault recording device and method |
| CN106549844A (en) * | 2016-11-02 | 2017-03-29 | 中国第汽车股份有限公司 | A kind of MOST CAN gateways and the diagnosis packet routing method based on the gateway |
| CN106656705A (en) * | 2016-11-18 | 2017-05-10 | 成都信息工程大学 | Vehicle-mounted MOST/CAN safety gateway and invasion detection method thereof |
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| CN107891827A (en) * | 2017-11-30 | 2018-04-10 | 上汽通用五菱汽车股份有限公司 | Car body controller |
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| CN101458525B (en) * | 2008-10-10 | 2012-07-11 | 奇瑞汽车股份有限公司 | Automatic identification method for electric-controlled unit collocation |
| CN101639698B (en) * | 2009-08-26 | 2011-08-31 | 意昂神州（北京）科技有限公司 | Electrical test system and method of automotive body based on CAN bus |
| CN101799686B (en) * | 2009-12-25 | 2013-07-17 | 奇瑞汽车股份有限公司 | Vehicle-mounted diagnosis system |
| CN102009627A (en) * | 2010-11-25 | 2011-04-13 | 奇瑞汽车股份有限公司 | Controller area network (CAN) and local interconnect network (LIN) bus-based vehicular network communication system |
| CN102009627B (en) * | 2010-11-25 | 2013-07-17 | 奇瑞汽车股份有限公司 | Controller area network (CAN) and local interconnect network (LIN) bus-based vehicular network communication system |
| CN102611719A (en) * | 2011-01-21 | 2012-07-25 | 汽车零部件研究及发展中心有限公司 | Vehicle-mounted MOST (Media Oriented Systems Transport) network system |
| WO2014000284A1 (en) * | 2012-06-29 | 2014-01-03 | Harman International (Shanghai) Management Co., Ltd. | Method and apparatus for uniform access of onboard devices |
| CN104303456A (en) * | 2012-06-29 | 2015-01-21 | 哈曼（中国）投资有限公司 | Method and apparatus for uniform access of onboard devices |
| US9463803B2 (en) | 2012-06-29 | 2016-10-11 | Harman International (China) Holdings Co., Ltd | Method and apparatus for uniform access of onboard devices |
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| CN103731156A (en) * | 2013-12-12 | 2014-04-16 | 杨康 | Car window side door virtual key input detection method and device |
| CN103731156B (en) * | 2013-12-12 | 2016-08-31 | 杨康 | Car window side door virtual key input detection method and device |
| CN104914849A (en) * | 2015-05-12 | 2015-09-16 | 安徽江淮汽车股份有限公司 | Fault recording device and method |
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