CN101936815A - Computer type vehicle fault diagnostic system and method - Google Patents
Computer type vehicle fault diagnostic system and method Download PDFInfo
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- CN101936815A CN101936815A CN2009101145543A CN200910114554A CN101936815A CN 101936815 A CN101936815 A CN 101936815A CN 2009101145543 A CN2009101145543 A CN 2009101145543A CN 200910114554 A CN200910114554 A CN 200910114554A CN 101936815 A CN101936815 A CN 101936815A
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Abstract
The technical scheme of the invention belongs to the field of vehicle electronic diagnostic control, and relates to computer type vehicle fault diagnostic system and method, aiming to solve the problems of unitary function, incapability of networking remote operation and the like of a standalone version handheld type diagnostic apparatus due to slow operation speed and incapability of acquiring the support of an auxiliary system in the prior art. The invention provides the computer type vehicle fault diagnostic system and the method. The system comprises a data analyzing and processing part, a computer type vehicle fault diagnosis device and a connection part connected with a vehicle to be detected. In the method, the computer type vehicle fault diagnosis device acquires the data information of the vehicle to be detected and forwards the data information to the data analyzing and processing part for analysis and processing. According to the computer type vehicle fault diagnostic system and method, the problems in the prior art are effectively solved, the diagnostic method is simple to control, and the diagnostic system can be used for carrying out intelligentized repair and diagnosis guide and providing a detailed diagnosis report for the vehicle to be detected as well as carrying out remote operation through networking.
Description
[technical field]
Technical solution of the present invention belongs to automotive electronics diagnosis control field, is specifically related to a kind of computermatic vehicle fault diagnosis system and uses this computermatic vehicle fault diagnosis system to carry out the computermatic automobile failure diagnosis method of automobile failure diagnosis.
[background technology]
Along with the continuous development of auto industry, Abgasgesetz is strict day by day, and microcomputer control system more and more is applied in the automotive electronics module, and performances such as this safe, reliable, power to automobile, economy, environmental protection all have great raising.Simultaneously,, make that the electronic structure of automobile is complicated day by day, also make automobile failure diagnosis get rid of difficulty all the more along with the application of various kinds of sensors, actuator.At this moment, automotive diagnostic unit arises at the historic moment.
The automotive diagnostic unit of Ying Yonging mostly is standalone version hand-held diagnostic equipment in the market, owing to reasons such as it are light, easy to use, once is that the main flow of vehicle diagnosis is selected.Yet, along with vehicle electrically controlling system becomes increasingly complex and variation, standalone version hand-held diagnostic equipment can only be realized in the diagnostic equipment single-chip microcomputer of the finite space owing to its data, cause it slow to the data processing speed, the accuracy of data and confidentiality can't well be guaranteed, and, because it can not obtain the support of backup system, cause it can not carry out the ECU programming, can not provide the real-time intelligent maintenance diagnostics to instruct and diagnosis report, can not carry out the network remote operation, defectives such as diagnostic data stream storage can not be carried out, the demand of Hyundai Motor diagnosis can not be satisfied.
[summary of the invention]
In order to solve the support that the standalone version hand-held diagnostic equipment travelling speed that exists in the prior art is slow, can not obtain backup system, cause it not treat and survey vehicle and guidance of real-time intelligent maintenance diagnostics and diagnosis report are provided, can not carry out the network remote operation, can not technical matters such as store to diagnostic data stream, technical solution of the present invention provides a kind of computermatic vehicle fault diagnosis system.
In order to solve the support that the standalone version hand-held diagnostic equipment travelling speed that exists in the prior art is slow, can not obtain backup system, cause it not treat and survey vehicle and guidance of real-time intelligent maintenance diagnostics and diagnosis report are provided, can not carry out the network remote operation, can not technical matters such as store to diagnostic data stream, technical solution of the present invention provides a kind of computermatic automobile failure diagnosis method of using computermatic vehicle fault diagnosis system to carry out automobile failure diagnosis.
The present invention solves the technical scheme that the prior art problem adopted: a kind of computermatic vehicle fault diagnosis system is provided, described computermatic vehicle fault diagnosis system comprises: data analysis handling part, computermatic automotive diagnostic unit and the connecting portion that is connected with tested vehicle, wherein, described data analysis handling part is connected with described computermatic automotive diagnostic unit, and described computermatic automotive diagnostic unit is connected with tested vehicle by described connecting portion.
According to an optimal technical scheme of the present invention: described computermatic automotive diagnostic unit comprises: main control module, signal acquisition module, man-machine communication's module, memory module and interface module, described interface module comprises first interface module that is connected with computer and second interface module that is connected with detected vehicle, wherein, described main control module is connected with described first interface module successively with described signal acquisition module, and described man-machine communication's module, described memory module and described second interface module are connected with described main control module respectively.
According to an optimal technical scheme of the present invention: described main control module is that MC9S12DG128B chip, described signal acquisition module are that TL718 chip, described man-machine communication's module are that to be used for input operating key, described memory module that diagnostic mode and diagnostic data stream selects be that to be used to store automobilism be the OBD interface that is connected with detected vehicle OBD II joint with the SD card memory of diagnostic data stream, described first interface module for the USB interface that is connected with computer, described second interface module.
According to an optimal technical scheme of the present invention: described computermatic automotive diagnostic unit also comprises: power module, described power module is connected with described main control module.
According to an optimal technical scheme of the present invention: described computermatic automotive diagnostic unit also comprises: the information indicating module, described information indicating module is connected with described main control module.
According to an optimal technical scheme of the present invention: described information indicating module is the pilot lamp that is used for display power supply, link, diagnosis and USB connection status.
According to an optimal technical scheme of the present invention: described interface module comprises CAN line interface, K line interface, LIN line interface, USB interface, RS232 interface and OBD interface.
According to an optimal technical scheme of the present invention: described data analysis handling part is a computer.
According to an optimal technical scheme of the present invention: described data analysis handling part is provided with computermatic automobile failure diagnosis and controls platform.
According to an optimal technical scheme of the present invention: described computermatic automobile failure diagnosis is controlled platform and is comprised that diagnostic function unit, diagnosis help unit and data processing unit.
According to an optimal technical scheme of the present invention: described connecting portion is a connecting line.
According to an optimal technical scheme of the present invention: described connecting line comprises that OBD-II interface RS 232 connecting line, OBD-II interface change CAN line connecting line, the OBD-II interface changes K line connecting line.
The present invention solves the technical scheme that the prior art problem adopted: a kind of computermatic automobile failure diagnosis method is provided, and described computermatic automobile failure diagnosis method comprises step: one, gather the tested vehicle data message by computermatic automotive diagnostic unit; Two, by computermatic automotive diagnostic unit the described data message that collects in the described step is given to the data analysis handling part; Three, by described data analysis handling part described data message is carried out analyzing and processing.
According to an optimal technical scheme of the present invention: described computermatic automobile failure diagnosis method comprises step: the first step: drive described computermatic automotive diagnostic unit by described data analysis handling part sending controling instruction and gather the tested vehicle data message; Second step: the described data message that collects in the described first step is given to the data analysis handling part by computermatic automotive diagnostic unit; The 3rd step: described data message is carried out analyzing and processing by described data analysis handling part.
According to an optimal technical scheme of the present invention: described computermatic automobile failure diagnosis method comprises step: at first, gather the tested vehicle data message by directly controlling described computermatic automotive diagnostic unit, and the described data information memory that will collect is in described automotive diagnostic unit; Secondly, described automotive diagnostic unit is connected with the data analysis handling part, and the described data message that collects in the described at first step is given to the data analysis handling part by computermatic automotive diagnostic unit; At last, described data message is carried out analyzing and processing by described data analysis handling part.
Computermatic vehicle fault diagnosis system of the present invention and method have solved problems of the prior art effectively, diagnostic method is controlled simply, the computermatic automotive diagnostic unit deal with data speed of installing in the diagnostic system is fast, and obtain the support of this computermatic vehicle fault diagnosis system, can diagnosis report is provided the real-time intelligent maintenance diagnostics, instruct and provide at length and can carry out operated from a distance and can store tested vehicle by networking to diagnostic data stream.
[description of drawings]
Fig. 1. computermatic vehicle fault diagnosis system structural representation among the present invention;
Fig. 2. computermatic automotive diagnostic unit modular structure synoptic diagram among the present invention;
Fig. 3. the various operating function synoptic diagram of realizing on computers in the computermatic vehicle fault diagnosis system of the present invention;
Fig. 4. the diagnostic data stream graphics design sketch of realizing on the computer in the computermatic vehicle fault diagnosis system of the present invention;
Fig. 5. computermatic automobile failure diagnosis method flow diagram among the present invention.
[embodiment]
Below in conjunction with accompanying drawing technical solution of the present invention is elaborated:
Below in conjunction with accompanying drawing technical solution of the present invention is elaborated:
See also computermatic vehicle fault diagnosis system 100 structural representations of Fig. 1 the present invention.As shown in Figure 1, the invention provides a kind of computermatic vehicle fault diagnosis system 100, described computermatic vehicle fault diagnosis system 100 comprises: data analysis handling part 101, computermatic automotive diagnostic unit 102 and the connecting portion 103 that is connected with tested vehicle 104, wherein, described data analysis handling part 101 is connected with described computermatic automotive diagnostic unit 102, and described computermatic automotive diagnostic unit 102 is connected with tested vehicle 104 by described connecting portion 103.
In an optimal technical scheme of the present invention, described data analysis handling part 101 is a computer, is provided with computermatic automobile failure diagnosis at described data analysis handling part 101 and controls platform.
Described connecting portion 103 is a connecting line, and this connecting line comprises that OBD-II interface RS 232 connecting line, OBD-II interface change CAN line connecting line, the OBD-II interface changes K line connecting line.
In an optimal technical scheme of the present invention, the preferred OBD-II interface of the connecting line RS 232 connecting line that described computermatic automotive diagnostic unit 102 is connected with tested vehicle 104: the one head connects tested vehicle 104 diagnose interfaces, a RS232 interface that is connected to described computermatic automotive diagnostic unit 102.The OBD-II interface not by the vehicle of standard design diagnosis joint, can transfer standard to by various adapters and be connected with connecting line for part by standard SAEJ1962 design.
In an optimal technical scheme of the present invention, described computermatic automotive diagnostic unit 102 is connected by the USB connecting line with described data analysis handling part 101.
The computermatic vehicle fault diagnosis system 100 of the present invention relies on powerful processing power and the dirigibility of computer, can not only significantly improve the processing power of data, carry out intuitive analysis, storage and the playback of data, can also provide a large amount of technological guidances to help, effectively help the maintenance personal to carry out breakdown maintenance.
After computer and computermatic automotive diagnostic unit 102 couple together by connecting line, the diagnostic data of vehicle will be changed by computermatic automotive diagnostic unit 102, lot of data is handled the most on computers, off-line operation is stored in the data of SD card, also the data in the SD card can be handled and playback on computers.
Because the bus interface and the computer interface of vehicle to be tested do not match, and various years, the interface that the vehicle of different brands provides also is not quite similar, bring very big difficulty to data-switching, solution is that different interfaces is changed into the interface of international iso standardization by adapter, connects with the standard patchcord again.
See also the computermatic automotive diagnostic unit 102 modular structure synoptic diagram of Fig. 2.As shown in Figure 2, described computermatic automotive diagnostic unit 102 comprises main control module 201, signal acquisition module 202, man-machine communication's module 205, memory module 206 and interface module, described interface module comprises first interface module 203 that is connected with described data analysis handling part 101 and second interface module 204 that is connected with detected vehicle, wherein, described main control module 201 is connected described man-machine communication's module 205 with described signal acquisition module 202 successively with described first interface module 203, described memory module 206 is connected with described main control module 201 respectively with described second interface module 204.
In the preferred technical solution of the present invention, the MC9S12DG128B chip that described main control module 201 is produced for Freescale company.Main control module 201MC9S12DG128B chip through handling, sends to the signal that receives from described signal acquisition module 202TL718 chip computing machine and calculates, and has guaranteed the reliability and the security of data.Main control module 201 is also by man-machine communication's module 205 input control orders, select the read mode of diagnostic data stream, and the data of needs storage are organized storage with FAT32 formatted file form.The MC9S12DG128B chip is the widely used high performance chips of automotive field, has the high speed processor of CPU12 kernel, satisfy the needs of vehicle diagnosis.
In signal acquisition module described in the preferred technical solution of the present invention 202 is the TL718 chip, TL718 is domestic a open protocol translation chip, it is integrated CAN, used both at home and abroad main various automobile agreements such as K-Line, described signal acquisition module 202TL718 chip is connected to automobile electronic control unit by first interface module 203 with automobile OBDII joint, described TL718 chip is converted into main control module 201 needed signal formats to all kinds message that sends from each electronic control module of automobile, and signal and the command group that main control module 201 sends be made into corresponding automobile message format, send each automobile electrically-controlled module to.
In the module of man-machine communication described in the preferred technical solution of the present invention 205 is to be used for the input operating key that operating functions such as diagnostic mode and diagnostic data stream are selected.
In memory module described in the preferred technical solution of the present invention 206 is the SD card memory that is used to store automobilism and diagnostic data stream.
Also comprise at computermatic automotive diagnostic unit 102 described in the preferred technical solution of the present invention: power module 207 and information indicating module 208, described power module 207 is connected with described main control module 201 respectively with described information indicating module 208.
The computermatic automotive diagnostic unit 102 of the present invention adopts two kinds of power supply input modes, be respectively Vehicular accumulator cell feed circuit and external power supply feed circuit, can when computermatic automotive diagnostic unit 102 connects and do not connect automobile, all can provide required stabilized voltage supply for above-mentioned each module.
At the indicating module of information described in the preferred technical solution of the present invention 208 is the pilot lamp that is used for display power supply, link, diagnosis and USB connection status.
Comprise CAN line interface, K line interface, LIN line interface, USB interface, RS232 interface and OBD interface in interface module described in the preferred technical solution of the present invention, wherein, described first interface module, 203 preferred USB interface, described second interface module, 204 preferred OBD interfaces.
See also the various operating function synoptic diagram of realizing on computers in the computermatic vehicle fault diagnosis system 100 of Fig. 3 the present invention.As shown in Figure 3, described data analysis handling part 101 is provided with computermatic automobile failure diagnosis and controls platform, described computermatic automobile failure diagnosis is controlled platform and is comprised that diagnostic function unit 301, diagnosis help unit 302 and data processing unit 303, the operator can send command adapted thereto control diagnostic function by the visual software interface of operation.
Wherein, diagnostic function unit 301 has the desired Read fault sign indicating number of international standard ISO 15031-5 and ISO 14229-1, clear diagnostic trouble code, and time data stream is read version information, motion test, the test of 9 PID in the OBD test.
Diagnosis helps unit 302, mainly comprises and keeps in repair help, maintenance record and data management three parts.Keep in repair help: will keep in repair tutorial message and be stored in the software, and can promptly and accurately make the maintenance guidance of diagnostic trouble code to the maintenance personal; Maintenance record: after maintenance finished, the maintenance personal can fill in maintenance record and be stored in the corresponding document folder; Data management: maintenance record will form the diagnosis " case history originally " of vehicle, carry out data management targetedly.
Data processing unit 303 mainly comprises graphic presentation, data readback and back-end data record.Graphic presentation: shown in the diagnostic data stream graphics design sketch of realizing on the computer in the computermatic vehicle fault diagnosis system 100 of Fig. 4 the present invention, when carrying out the read data function of diagnostic function, resulting data optionally can be carried out graphically, the numeral that changes is changed into coherent whereabouts, can contrast the situation of change of correlation curve intuitively; Data readback: the data of SD card storage under the off-line mode are carried out playback on software platform, can know the diagnostic data of vehicle under the off-line state; The back-end data record: when the various function on the function software platform, total data in the communication process will be write down in the software backstage, be stored in the corresponding document folder.
See also computermatic automobile failure diagnosis method flow diagram among Fig. 5 the present invention.As shown in Figure 5, the invention provides a kind of computermatic automobile failure diagnosis method, described computermatic automobile failure diagnosis method comprises step: one, gather tested vehicle 104 data messages by computermatic automotive diagnostic unit 102; Two, by computermatic automotive diagnostic unit 102 the described data message that collects in the described step is given to data analysis handling part 101; Three, carry out analyzing and processing by 101 pairs of described data messages of described data analysis handling part.
Adopt the computermatic automobile failure diagnosis method of the present invention can also can be under off-line state under on line state.
In on line state following time, tested vehicle 104 data messages of preferred version for arriving by the computer storage of collected.
In on line state following time, described computermatic automobile failure diagnosis method comprises step: the first step: drive described computermatic automotive diagnostic unit 102 by described data analysis handling part 101 sending controling instructions and gather tested vehicles 104 data messages by connecting portion 103; Second step: the described data message that collects in the described first step is given to data analysis handling part 101 by computermatic automotive diagnostic unit 102; The 3rd step: carry out analyzing and processing by 101 pairs of described data messages of described data analysis handling part.
The data analysis handling part 101 of indication is computer in the said method.
In off-line state following time, preferred version is for to store tested vehicle 104 data messages that collect by the memory module in the computermatic automotive diagnostic unit 102.
In off-line state following time, described computermatic automobile failure diagnosis method comprises step: at first, gather tested vehicles 104 data messages by directly controlling described computermatic automotive diagnostic unit 102, and the described data information memory that will collect is in described automotive diagnostic unit 102; Secondly, described automotive diagnostic unit 102 is connected with data analysis handling part 101, and the described data message that collects in the described at first step is given to data analysis handling part 101 by computermatic automotive diagnostic unit 102; At last, carry out analyzing and processing by 101 pairs of described data messages of described data analysis handling part.
Data computation processing to tested vehicle 104 data messages in the computermatic automobile failure diagnosis method of the present invention is finished by the computer software platform, by dirigibility, stability and the accuracy of computer, make that the data that receive are handled fast and accurately; Data stream shows that control mode is to have realized the demonstration directly perceived of data by real-time display graphics module; Data stream storage control mode has realized the storage mode of data under online and off line two states, under on line state, can realize the storage of mass data by computer, under off-line state, can data be stored by data storage card, carry out the processing of data then by computer.
Computermatic vehicle fault diagnosis system of the present invention and method have solved problems of the prior art effectively, diagnostic method is controlled simply, the computermatic automotive diagnostic unit 102 deal with data speed of installing in the diagnostic system are fast, and obtain the support of this computermatic vehicle fault diagnosis system, can diagnosis report is provided the real-time intelligent maintenance diagnostics, instruct and provide at length and can carry out operated from a distance and can store tested vehicle 104 by networking to diagnostic data stream.
Above content be in conjunction with concrete optimal technical scheme to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. computermatic vehicle fault diagnosis system, it is characterized in that: described computermatic vehicle fault diagnosis system comprises: data analysis handling part (101), computermatic automotive diagnostic unit (102) and the connecting portion (103) that is connected with tested vehicle (104), wherein, described data analysis handling part (101) is connected with described computermatic automotive diagnostic unit (102), and described computermatic automotive diagnostic unit (102) is connected with tested vehicle (104) by described connecting portion (103).
2. according to the described computermatic vehicle fault diagnosis system of claim 1, it is characterized in that: described computermatic automotive diagnostic unit (102) comprises main control module (201), signal acquisition module (202), man-machine communication's module (205), memory module (206) and interface module, described interface module comprises first interface module (203) that is connected with described data analysis handling part (101) and second interface module (204) that is connected with tested vehicle (104), wherein, described main control module (201) is connected described man-machine communication's module (205) successively with described signal acquisition module (202) with described first interface module (203), described memory module (206) is connected with described main control module (201) respectively with described second interface module (204).
3. according to the described computermatic vehicle fault diagnosis system of claim 2, it is characterized in that: described interface module comprises CAN line interface, K line interface, LIN line interface, USB interface, RS232 interface and OBD interface.
4. according to claim 1 or 2 described computermatic vehicle fault diagnosis systems, it is characterized in that: described data analysis handling part (101) is a computer, which is provided with computermatic automobile failure diagnosis and controls platform.
5. according to the described computermatic vehicle fault diagnosis system of claim 4, it is characterized in that: described computermatic automobile failure diagnosis is controlled platform and is comprised that diagnostic function unit (301), diagnosis help unit (302) and data processing unit (303).
6. according to the described computermatic vehicle fault diagnosis system of claim 1, it is characterized in that: described connecting portion (103) is a connecting line.
7. according to the described computermatic vehicle fault diagnosis system of claim 6, it is characterized in that: described connecting line comprises that OBD-II interface RS 232 connecting line, OBD-II interface change CAN line connecting line, the OBD-II interface changes K line connecting line.
8. one kind is used the computermatic automobile failure diagnosis method of weighing 1 described computermatic vehicle fault diagnosis system, and it is characterized in that: described computermatic automobile failure diagnosis method comprises step:
A: gather tested vehicle (104) data message by computermatic automotive diagnostic unit (102);
B: the described data message that collects in the described steps A is given to data analysis handling part (101) by computermatic automotive diagnostic unit (102);
C: described data message is carried out analyzing and processing by described data analysis handling part (101).
9. described according to Claim 8 computermatic automobile failure diagnosis method is characterized in that: described computermatic automobile failure diagnosis method comprises step:
A1: drive described computermatic automotive diagnostic unit (102) by described data analysis handling part (101) sending controling instruction and gather tested vehicle (104) data message;
B1: the described data message that collects in the described steps A 1 is given to data analysis handling part (101) by computermatic automotive diagnostic unit (102);
C1: described data message is carried out analyzing and processing by described data analysis handling part (101).
10. described according to Claim 8 computermatic automobile failure diagnosis method is characterized in that: described computermatic automobile failure diagnosis method comprises step:
A2: gather tested vehicle (104) data message by directly controlling described computermatic automotive diagnostic unit (102), and the described data information memory that will collect is in described automotive diagnostic unit (102);
B2: described automotive diagnostic unit (102) is connected with data analysis handling part (101), and the described data message that collects in the described steps A 2 is given to data analysis handling part (101) by computermatic automotive diagnostic unit (102);
C2: described data message is carried out analyzing and processing by described data analysis handling part (101).
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| CN2009101145543A CN101936815A (en) | 2009-11-13 | 2009-11-13 | Computer type vehicle fault diagnostic system and method |
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| CN2009101145543A CN101936815A (en) | 2009-11-13 | 2009-11-13 | Computer type vehicle fault diagnostic system and method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736615A (en) * | 2012-03-31 | 2012-10-17 | 深圳市元征科技股份有限公司 | Vehicle failure diagnosis method |
| CN103287400A (en) * | 2013-02-05 | 2013-09-11 | 深圳市元征科技股份有限公司 | Vehicle data diagnostic system and method |
| CN104281146A (en) * | 2014-10-22 | 2015-01-14 | 中国重汽集团济南复强动力有限公司 | Engine electric control system component function testing system and method |
| CN105604664A (en) * | 2015-12-23 | 2016-05-25 | 北京工业大学 | Vehicle emission remote monitoring system based on OBD (on-board diagnostics) detection data |
| CN106959686A (en) * | 2017-04-05 | 2017-07-18 | 黄河水利职业技术学院 | A kind of intelligent remote diagnostic system and method |
| CN110162017A (en) * | 2019-05-30 | 2019-08-23 | 神龙汽车有限公司 | Vehicle LIN bus communication Information abnormity diagnostic system and method |
| CN113485161A (en) * | 2021-07-29 | 2021-10-08 | 厦门凤凰创壹软件有限公司 | Intelligent diagnostic instrument capable of measuring and diagnosing three-dimensional virtual simulation automobile fault |
| AT525512A1 (en) * | 2021-09-29 | 2023-04-15 | Avl Ditest Gmbh | diagnostic device |
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2009
- 2009-11-13 CN CN2009101145543A patent/CN101936815A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102736615A (en) * | 2012-03-31 | 2012-10-17 | 深圳市元征科技股份有限公司 | Vehicle failure diagnosis method |
| CN102736615B (en) * | 2012-03-31 | 2014-08-13 | 深圳市元征科技股份有限公司 | Vehicle failure diagnosis method |
| CN103287400A (en) * | 2013-02-05 | 2013-09-11 | 深圳市元征科技股份有限公司 | Vehicle data diagnostic system and method |
| CN104281146A (en) * | 2014-10-22 | 2015-01-14 | 中国重汽集团济南复强动力有限公司 | Engine electric control system component function testing system and method |
| CN105604664A (en) * | 2015-12-23 | 2016-05-25 | 北京工业大学 | Vehicle emission remote monitoring system based on OBD (on-board diagnostics) detection data |
| CN105604664B (en) * | 2015-12-23 | 2019-01-11 | 北京工业大学 | Vehicle based on OBD detection data discharges remote supervision system |
| CN106959686A (en) * | 2017-04-05 | 2017-07-18 | 黄河水利职业技术学院 | A kind of intelligent remote diagnostic system and method |
| CN110162017A (en) * | 2019-05-30 | 2019-08-23 | 神龙汽车有限公司 | Vehicle LIN bus communication Information abnormity diagnostic system and method |
| CN113485161A (en) * | 2021-07-29 | 2021-10-08 | 厦门凤凰创壹软件有限公司 | Intelligent diagnostic instrument capable of measuring and diagnosing three-dimensional virtual simulation automobile fault |
| AT525512A1 (en) * | 2021-09-29 | 2023-04-15 | Avl Ditest Gmbh | diagnostic device |
| AT525512B1 (en) * | 2021-09-29 | 2024-02-15 | Avl Ditest Gmbh | Diagnostic device |
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