CN101017601A - A system used for electric-controlled vehicle radio remote monitoring, marking and failure diagnosis - Google Patents
A system used for electric-controlled vehicle radio remote monitoring, marking and failure diagnosis Download PDFInfo
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- CN101017601A CN101017601A CN 200610129926 CN200610129926A CN101017601A CN 101017601 A CN101017601 A CN 101017601A CN 200610129926 CN200610129926 CN 200610129926 CN 200610129926 A CN200610129926 A CN 200610129926A CN 101017601 A CN101017601 A CN 101017601A
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Abstract
This invention discloses one system for electrical automobile wireless remote monitor label and its fault diagnose by use of internet to realize this, wherein the device comprises automobile electrical control device, monitor label diagnose device, monitor center, wireless internet base station and internet to form communication linkage; the monitor center, sub monitor center and internet form the data transfer linkage. This invention integrates single machine, GPRS and GPS memories with large volume, communication interface module such as CAN interface, KWP interface and USB interface.
Description
Technical field
The invention belongs to electric-controlled vehicle operation monitoring technology, particularly a kind of device and method that electric-controlled vehicle is carried out radio remote monitoring, marking and fault diagnosis.
Background technology
Be loaded with the vehicle of Electronic Control or integrated electronic control device, as electric-controlled gasoline locomotive, electric control diesel locomotive, motorcycle with electronic fuel injection system and other electric-control motor and power assembly vehicle, the performance history of its control module comprises bench test and actual road test two parts.After determining control module basic parameter and algorithm by the electric-control motor bench test, electric-controlled vehicle is carried out a large amount of actual road tests come the optimal control unit to reach re-set target.The road vehicle match test all needs the slip-stick artist to carry the demarcation of notebook computer realization data acquisition and monitoring at present.Such method of operating is time and effort consuming not only, and slip-stick artist's operation is also extremely inconvenient.Especially on the road surface of complexity and rugged surroundings such as plateau, high and cold, high temperature etc., conventional notebook computer can't normally move when test vehicle travelled.In the vehicle development later stage, in the demonstration test and the endurancing stage of short run vehicle, existing data aggregation means cost is too high, also needs to drop into lot of manpower and material resources and safeguards, does not also realize the real-time monitoring and the analysis of many vehicles simultaneously.Part vehicle such as police car, long-distance car, taxi etc. are equipped with communication unit and vehicle running recording instrument at present, be used for antitheft, the travel tracking and the relief of vehicle, but function are comparatively single, can't realize communicating with control unit for vehicle.
Summary of the invention
In view of the above problems, the purpose of this invention is to provide a kind of system that is used for vehicle radio remote monitoring, marking and fault diagnosis, utilize the internet to realize monitoring demarcation and the fault diagnosis of Surveillance center to test vehicle, and realize many cars are monitored simultaneously, can effectively solve the problem of vehicle in actual road test.
With reference to Fig. 1～Fig. 5, the technical solution adopted in the present invention is: the system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis comprises: vehicle electrically controlling device 1, diagnostic device 2 is demarcated in monitoring, Surveillance center 3, sub-Surveillance center 4, CAN bus 5, KWP bus 6, wireless network base station 7, wireless network 8, the Internet 9, Vehicular accumulator cell 10, plate live pond 11, power module 12, data-carrier store 13, usb 14, level conversion 15, single-chip microcomputer 16, GPRS communication module 24, GPS module 25, KWP bus transceiver 26, RS232 transceiver 27, CAN bus transceiver 28 etc.Single-chip microcomputer 16 wherein comprises as central processing unit: power management 17, real-time clock module 18, data/address line 19, four serial ports 20, CAN bus controller 21 and input/output port 22.Communication link by vehicle electrically controlling device 1, electric-controlled vehicle control device 2, Surveillance center 3, sub-Surveillance center 4, CAN bus 5, KWP bus 6, wireless network base station 7, wireless network 8 (6PRS network or cdma network), the Internet 9, formation radio remote monitoring, marking and fault diagnosis system.Wherein constitute electric-controlled vehicle data forwarding link (as Fig. 1) by Surveillance center 3, sub-Surveillance center 4 and the Internet 9.Vehicle electrically controlling device 1 is the oil spout of electric-controlled vehicle engine, ignition controller.Monitoring is demarcated diagnostic device 2 and is made up of Vehicular accumulator cell shown in Figure 2 10, plate live pond 11, power module 12, data-carrier store 13, usb 14, level conversion 15, single-chip microcomputer 16, power management 17, real-time clock module 18, data/address line 19, four serial ports 20, CAN bus controller 21 and input/output port 22, pilot lamp group 23, GPRS communication module 24, GPS module 25, KWP bus transceiver 26, RS232 transceiver 27, CAN bus transceivers 28.Each vehicle that need monitor is all installed a monitoring and is demarcated diagnostic device 2.The number of sub-Surveillance center 4 can be determined according to the difference of monitoring purposes.Surveillance center 3 is used for receiving the computing machine of the also following calibration mass of electric-controlled vehicle data, diagnostic instruction.Any computer that can connect the internet can be as sub-Surveillance center 4.Vehicle electrically controlling device 1 is demarcated diagnostic device 2 through KWP bus 6, CAN bus 5 and monitoring and is communicated by letter with Surveillance center 3 through wireless network base station 7, wireless network 8, the Internet 9.Monitoring demarcate diagnostic device 2 by with vehicle on 1 two-way communication of vehicle electrically controlling device, obtain the collected sensor information of control information, failure diagnosis information, ECU (Electrical Control Unit) of vehicle electrically controlling device 1, obtain the positional information (Fig. 2) of vehicle by GPS communication module 25.Electric-controlled vehicle radio remote monitoring, marking and fault diagnosis system are divided into two-way output with the information that is obtained: the one tunnel is stored in monitoring demarcates the integrated data-carrier store 13 in diagnostic device 2 inside, and another road is sent to the Surveillance center 3 that is connected in the internet by wireless network 8 (GPRS network or cdma network) and the Internet 9.Instruction will be demarcated by Surveillance center 3 and maintenance instruction is demarcated diagnostic device 2 by passing to monitoring under the above-mentioned communication link, explains that by monitoring demarcation diagnostic device 2 back sends vehicle electrically controlling device 1 to by KWP bus 6 and CAN bus 5 and explains execution.Sub-Surveillance center 4 is through receiving and dispatching instruction mutually with Surveillance center 3 after authenticating, and sub-Surveillance center 4 is subjected to Surveillance center's 3 monitoring.Utilize monitoring to demarcate position and state that diagnostic device 2 can monitoring vehicle, be convenient to fault diagnosis, rescue and operational management.
The present invention includes following 5 communication interfaces, they are: usb 14, GPRS communication module 24, KWP bus transceiver 26, RS232 transceiver 27, CAN bus transceiver 28.Data stream can be transmitted between any two communication interfaces, realizes the variety of protocol data-switching.Promptly form link by usb 14, level conversion 15, single-chip microcomputer 16, GPRS communication module 24, the usb protocol data are finished in two-way communication between realization usb 14 and the GPRS communication module 24 and the IP protocol data is changed each other; Form link by usb 14, level conversion 15, single-chip microcomputer 16, KWP bus transceiver 26, the usb protocol data are finished in two-way communication between realization usb 14 and the KWP bus transceiver 26 and the KWP protocol data is changed each other; Form link by usb 14, level conversion 15, single-chip microcomputer 16, RS232 transceiver 27, the usb protocol data are finished in two-way communication between realization usb 14 and the RS232 transceiver 27 and the serial port protocol data are changed each other; Form link by usb 14, level conversion 15, single-chip microcomputer 16, CAN bus transceiver 28, the usb protocol data are finished in two-way communication between realization usb 14 and the CAN bus transceiver 28 and CAN bus protocol data are changed each other.Form link by GPRS communication module 24, single-chip microcomputer 16, KWP bus transceiver 26, the IP protocol data is finished in two-way communication between realization GPRS communication module 24 and the KWP bus transceiver 26 and the KWP protocol data is changed each other; Form link by GPRS communication module 24, single-chip microcomputer 16, RS232 transceiver 27, the IP protocol data is finished in two-way communication between realization GPRS communication module 24 and the RS232 transceiver 27 and the serial port protocol data are changed each other; Form link by GPRS communication module 24, single-chip microcomputer 16, CAN bus transceiver 28, the IP protocol data is finished in two-way communication between realization GPRS communication module 24 and the CAN bus transceiver 28 and CAN bus protocol data are changed each other.Form link by KWP bus transceiver 26, single-chip microcomputer 16, RS232 transceiver 27, the KWP protocol data is finished in two-way communication between realization KWP bus transceiver 26 and the RS232 transceiver 27 and the serial port protocol data are changed each other; Form link by KWP bus transceiver 26, single-chip microcomputer 16, CAN bus transceiver 28, the KWP protocol data is finished in two-way communication between realization KWP bus transceiver 26 and the CAN bus transceiver 28 and CAN bus protocol data are changed each other.Form link by RS232 transceiver 27, single-chip microcomputer 16, CAN bus transceiver 28, the serial port protocol data are finished in two-way communication between realization RS232 transceiver 26 and the CAN bus transceiver 28 and CAN bus protocol data are changed each other.Therefore the present invention has the multi-protocol data translation function.
Description of drawings
Fig. 1 is an overall system view of the present invention
Fig. 2 is each member connection structure figure of apparatus of the present invention
Fig. 3 is a CAN bus transceiver structural drawing
Fig. 4 is the pilot lamp schematic diagram of device
Fig. 5 is the data flow diagram of radio remote monitoring, marking and failure diagnostic process
Specific embodiment
It is following that the present invention is further illustrated with reference to accompanying drawing 1～Fig. 5 and by specific embodiment.
According to Fig. 2 and Fig. 3 each parts is linked.Fig. 1 is an overall system view of the present invention.Communication link by vehicle electrically controlling device 1, electric-controlled vehicle control device 2, Surveillance center 3, sub-Surveillance center 4, CAN bus 5, KWP bus 6, wireless network base station 7, wireless network 8 (GPRS network or cdma network), the Internet 9, formation radio remote monitoring, marking and fault diagnosis system.Wherein constitute electric-controlled vehicle data forwarding link by Surveillance center 3, sub-Surveillance center 4 and the Internet 9.Present embodiment need be monitored demarcation to 10 experiment vehicles, and every chassis is installed a monitoring and demarcated diagnostic device 2, amounts to 10.Carry out monitoring and diagnosis simultaneously in 2 places, so sub-Surveillance center 4 respectively adopts 2.The employing dual mode power supply of single-chip microcomputer 16: under Vehicular accumulator cell 10 electric power thus supplied, plate live pond 11 is because voltage ratio Vehicular accumulator cell 10 is low, and diode ends, and total system is by Vehicular accumulator cell 10 power supplies.Under the situation that does not have Vehicular accumulator cell 10 power supplies, give single-chip microcomputer 16 power supplies by plate live pond 11.Two kinds of pattern power supply modes guarantee that the clock of real-time clock module 18 normally moves, and real-time clock module 18 is made of 48 digit counters, and maximum time more than 100 years, can be used for the time reference that vehicle data is measured real time record for a long time at interval.Single-chip microcomputer 16 by serial ports 20-1 integrated GPRS module 24, implement device and Surveillance center carry out the wireless remote communication.By serial ports 20-2 integrated GPS module 25, realize the global position determination capability of Surveillance center to vehicle, can rescue, safeguard the fault vehicle easily.Single-chip microcomputer 16 connects KWP bus transceiver 26 by serial ports 20-3, serial ports 20-4 connects RS232 transceiver 27, CAN bus controller 21 connects CAN bus transceiver 28, realizes that respectively single-chip microcomputer 16 and vehicle electrically controlling device 1 carry out data communication by KWP bus 6, RS232, CAN bus 5.CAN bus transceiver 28 (as Fig. 3) is connected with CAN bus controller 21 with 29-2 by two light-coupled isolation 29-1, avoids interference and 16, two light-coupled isolations of impact failure single-chip microcomputer on the bus to be powered by insulating power supply 30, realizes the isolation of CAN bus signals.Single-chip microcomputer 16 is connected with GPRS module 24 by serial ports 20-1, receive request, demarcation instruction that Surveillance center 3 sends by the internet, control unit for vehicle 1 data that KWP bus 6, serial ports or CAN bus 5 are received send to by GPRS module 24 and specify Surveillance center 3 simultaneously.Single-chip microcomputer 16 is stored in data-carrier store 13 to the time of the data that receive control unit for vehicle 1 and gps data and experiment at that time.By usb 14 vehicle data and the gps data of record on the reading of data storer 13 easily.The given flicker of the input/output port 22 control pilot lamp groups 23 of single-chip microcomputer 16 is by the duty of viewing lamp group 23 (Fig. 4) understanding electric-controlled vehicle control device 2.After electric-controlled vehicle control device 2 powered on, power light 31 was lighted, and showed that the device power supply is normal; Single-chip microcomputer 16 obtains GPRS module 24 network qualities by the AT instruction, by GPRS module by signal pilot lamp 32 indication GPRS modules 24 network qualities; Device 2 and Surveillance center's 3 successful connections, GPRS communication pilot lamp 33 flicker designation data transmission in the communication process; Single-chip microcomputer 16 receives data that GPS modules 25 send and data is resolved, and by gps signal codan lamp 34 indication GPS communication modules 25 states: CAN bus communication pilot lamp 35 flicker indication CAN buses 5 are in the transceive data state; KWP bus communication pilot lamp 36 flicker indication KWP buses 6 are in the transceive data state; State data memory pilot lamp 37 be used to refer to data-carrier store 13 residual capacity, access data, whether be filled with state.
The data flow of radio remote monitoring, marking and failure diagnostic process as shown in Figure 5.Electric-controlled vehicle control device 2 receives CAN message or the KWP data that vehicle electrically controlling device 1 sends by KWP transceiver 26 and CAN transceiver 28, receives the gps data that GPS module 25 sends by GPS interface 20-2 simultaneously.With all data of receiving according to the application layer protocol operation of packing, data after packing is handled through application layer protocol are carried out the data encryption operation, at last the vehicle data after encrypting is operated according to the IP protocol packing, sent data by GPRS module 24 and send to Surveillance center 3 through internet 9.Radio remote monitoring, marking and diagnostic device 2 receive the director data that Surveillance center 3 sends by internet 9 by GPRS module 24, after receiving the GPRS data, at first it is carried out the IP agreement and separate package operation, GPRS data after unpacking are carried out the data decryption operation, at last unpack and resolve the instruction of sending, communicate and carry out the Surveillance center's instruction that receives by KWP transceiver 26 and CAN transceiver 28 and vehicle electrically controlling device 1 according to application layer protocol.According to the data after the application layer protocol packing operation encrypt on the one hand, the IP protocol packing sends to Surveillance center 3, the data after will packing by memory write operation are on the other hand write entry data memory 13.When device receives the historical data request instruction that Surveillance center 3 sends, pass through memory read operation, from data-carrier store 13, read the storage data of being interrupted when corresponding, the data that read are carried out the data encryption operation, vehicle data after encrypting according to the IP protocol packing, is sent data to Surveillance center 3 by GPRS module 24.Usb 14 carries out read operation, write operation and format manipulation by data reading operation and memory write operation to data storer 13.
Characteristics of the present invention are, realize electric-controlled vehicle in the road driving process by wireless network and internet, it is carried out remote monitoring, demarcation, fault diagnosis, maintenance, rescue and management, and realize simultaneously many car monitoring demarcation and fault diagnosis, a kind of method easily that provides is provided for the demarcation coupling of electric-controlled vehicle actual road test.
Claims (9)
1. system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis, comprise Surveillance center (3), sub-Surveillance center (4), CAN bus (5), KWP bus (6), wireless network base station (7), wireless network (8), the Internet (9), Vehicular accumulator cell (10), plate live pond (11), power module (12), data-carrier store (13), USB interface (14), level conversion (15), single-chip microcomputer (16), GPRS communication module (24), GPS module (25), KWP bus transceiver (26), RS232 transceiver (27), CAN bus transceiver (28), it is characterized in that by vehicle electrically controlling device (1), diagnostic device (2) is demarcated in monitoring, Surveillance center (3), sub-Surveillance center (4), CAN bus (5), KWP bus (6), wireless network base station (7), wireless network (8) and the Internet (9) constitute the communication link of radio remote monitoring, marking and fault diagnosis system, wherein by Surveillance center (3), sub-Surveillance center (4) and the Internet (9) constitute electric-controlled vehicle data forwarding link, by USB interface (14), GPRS communication module (24), KWP bus transceiver (26), RS232 transceiver (27) and CAN bus transceiver (29) are as communication interface, data stream can be transmitted between described any two communication interfaces, Vehicular accumulator cell (10) is connected to power module (12) by diode respectively with plate live pond (11), data-carrier store (13) and USB interface (14) are connected to data/address line (19) in the single-chip microcomputer (16) by level conversion (15), GPRS communication module (24) is connected to first serial ports (20-1) of single-chip microcomputer (16), GPS module (25) is connected to second serial ports (20-2) of single-chip microcomputer (16), KWP bus transceiver (26) is connected to the 3rd serial ports (20-3) of single-chip microcomputer (16), RS232 transceiver (27) is connected to the 4th serial ports (20-4) of single-chip microcomputer (16), CAN bus transceiver (28) is connected to CAN bus controller (21) in the single-chip microcomputer (16) by first light-coupled isolation (29-1) and second light-coupled isolation (29-2), pilot lamp group (23) is connected to the input/output port (22) in the single-chip microcomputer (16), radio remote monitoring, marking and diagnostic device (2) are with the CAN bus data that is obtained, KWP bus data and gps data information one tunnel are stored in data-carrier store (13), and another road is sent to the Surveillance center (3) that is connected in the internet by wireless network (8) and internet network (9).
2. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1, it is characterized in that forming link, realize two-way communication between USB interface (14) and the GPRS communication module (24) by described USB interface (14), described level conversion (15), described single-chip microcomputer (16), described GPRS communication module (24); Form link by described USB interface (14), described level conversion (15), described single-chip microcomputer (16), described KWP bus transceiver (26), realize two-way communication between USB interface (14) and the KWP bus transceiver (26); Form link by described USB interface (14), described level conversion (15), described single-chip microcomputer (16), described RS232 transceiver (27), realize two-way communication between USB interface (14) and the RS232 transceiver (27); Form link by described USB interface (14), described level conversion (15), described single-chip microcomputer (16), described CAN bus transceiver (28), realize two-way communication between USB interface (14) and the CAN bus transceiver (28).
3. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1, it is characterized in that forming link, realize two-way communication between GPRS communication module (24) and the KWP bus transceiver (26) by described GPRS communication module (24), described single-chip microcomputer (16), described KWP bus transceiver (26); Form link by described GPRS communication module (24), described single-chip microcomputer (16), described RS232 transceiver (27), realize two-way communication between GPRS communication module (24) and the RS232 transceiver (27); Form link by described GPRS communication module (24), described single-chip microcomputer (16), described CAN bus transceiver (28), realize two-way communication between GPRS communication module (24) and the CAN bus transceiver (28).
4. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1, it is characterized in that forming link, realize two-way communication between KWP bus transceiver (26) and the RS232 transceiver (27) by described KWP bus transceiver (26), described single-chip microcomputer (16), described RS232 transceiver (27); Form link by described KWP bus transceiver (26), described single-chip microcomputer (16), described CAN bus transceiver (28), realize two-way communication between KWP bus transceiver (26) and the CAN bus transceiver (28).
5. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1, it is characterized in that forming link, realize two-way communication between RS232 transceiver (27) and the CAN bus transceiver (28) by described RS232 transceiver (27), described single-chip microcomputer (16), described CAN bus transceiver (28).
6. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1, the power supply mode that it is characterized in that described single-chip microcomputer (16) is by (11) the two kinds of pattern power supplies in Vehicular accumulator cell (10) and plate live pond.
7. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1 is characterized in that described pilot lamp group (23) comprising: power light (31), GPRS module by signal pilot lamp (32), GPRS communication pilot lamp (33), gps signal codan lamp (34), CAN bus communication pilot lamp (35), KWP bus communication pilot lamp (36) and state data memory pilot lamp (37).
8. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1 is characterized in that described USB interface (14) also can realize carrying out data transmit-receive to data-carrier store (13), KWP bus (6), CAN bus (5) by level conversion (15) and the address date line (19) in the single-chip microcomputer (16).
9. a kind of system that is used for electric-controlled vehicle radio remote monitoring, marking and fault diagnosis according to claim 1 is characterized in that described vehicle electrically controlling device (1) demarcates diagnostic device (2) through KWP bus (6), CAN bus (5) and monitoring and communicate by letter with Surveillance center (3) through wireless network base station (7), wireless network (8), the Internet (9).
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| CN 200610129926 CN101017601A (en) | 2006-12-08 | 2006-12-08 | A system used for electric-controlled vehicle radio remote monitoring, marking and failure diagnosis |
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| CN101546483B (en) * | 2008-03-26 | 2010-12-08 | 中国科学院自动化研究所 | System and method for fault diagnosis of traffic signal controller |
| CN101908993A (en) * | 2010-08-06 | 2010-12-08 | 浙江大学 | Signal short-distance wireless transmission instrument based on CAN protocol |
| CN101986223A (en) * | 2010-07-21 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Remote monitoring, diagnosis and calibration system of automobile |
| CN102129729A (en) * | 2011-03-17 | 2011-07-20 | 启明信息技术股份有限公司 | Vehicle-driving control method and device for Intelligent fault diagnosis and driving behavior analysis |
| CN102203558A (en) * | 2008-10-24 | 2011-09-28 | 传感技术有限公司 | Callibration coefficients for sensor based measurements |
| CN101498929B (en) * | 2008-12-17 | 2011-12-14 | 奇瑞汽车股份有限公司 | Vehicle remote control system |
| CN102445940A (en) * | 2011-09-28 | 2012-05-09 | 马秀文 | Car monitoring and diagnosing system |
| CN102508468A (en) * | 2011-10-24 | 2012-06-20 | 天泽信息产业股份有限公司 | Comprehensive debugging instrument for vehicle-mounted information terminal and debugging method of comprehensive debugging instrument |
| CN102621977A (en) * | 2012-03-27 | 2012-08-01 | 万向钱潮股份有限公司 | Intelligent online diagnosis calibration controller for ECU (electronic control unit) |
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| CN101546483B (en) * | 2008-03-26 | 2010-12-08 | 中国科学院自动化研究所 | System and method for fault diagnosis of traffic signal controller |
| CN102203558A (en) * | 2008-10-24 | 2011-09-28 | 传感技术有限公司 | Callibration coefficients for sensor based measurements |
| CN101498929B (en) * | 2008-12-17 | 2011-12-14 | 奇瑞汽车股份有限公司 | Vehicle remote control system |
| CN102130930B (en) * | 2010-01-14 | 2015-05-13 | 万向电动汽车有限公司 | Remote monitoring terminal for electric automobile |
| CN101986223A (en) * | 2010-07-21 | 2011-03-16 | 浙江吉利汽车研究院有限公司 | Remote monitoring, diagnosis and calibration system of automobile |
| CN101908993A (en) * | 2010-08-06 | 2010-12-08 | 浙江大学 | Signal short-distance wireless transmission instrument based on CAN protocol |
| CN102129729B (en) * | 2011-03-17 | 2013-04-24 | 启明信息技术股份有限公司 | Vehicle-driving control device for intelligent fault diagnosis and driving behavior analysis |
| CN102129729A (en) * | 2011-03-17 | 2011-07-20 | 启明信息技术股份有限公司 | Vehicle-driving control method and device for Intelligent fault diagnosis and driving behavior analysis |
| CN102445940A (en) * | 2011-09-28 | 2012-05-09 | 马秀文 | Car monitoring and diagnosing system |
| CN102508468A (en) * | 2011-10-24 | 2012-06-20 | 天泽信息产业股份有限公司 | Comprehensive debugging instrument for vehicle-mounted information terminal and debugging method of comprehensive debugging instrument |
| CN103253273B (en) * | 2012-01-09 | 2017-05-17 | 罗伯特·博世有限公司 | Safe operation of motor vehicle |
| CN103253273A (en) * | 2012-01-09 | 2013-08-21 | 罗伯特·博世有限公司 | Safe operation of motor vehicle |
| CN102621977A (en) * | 2012-03-27 | 2012-08-01 | 万向钱潮股份有限公司 | Intelligent online diagnosis calibration controller for ECU (electronic control unit) |
| CN103546298A (en) * | 2012-07-13 | 2014-01-29 | 上海海能汽车电子有限公司 | Intelligent communication adapter |
| CN103051682A (en) * | 2012-12-10 | 2013-04-17 | 苏沃智能科技江苏有限公司 | Method and system for wireless interaction of vehicle-mounted terminal |
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| CN103257648A (en) * | 2013-04-11 | 2013-08-21 | 北京经纬恒润科技有限公司 | Automobile calibration system |
| CN103257648B (en) * | 2013-04-11 | 2016-12-28 | 北京经纬恒润科技有限公司 | Automobile calibration system |
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