CN102707710A - Diagnosis function verification method and system for automobile electronic control unit - Google Patents
Diagnosis function verification method and system for automobile electronic control unit Download PDFInfo
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- CN102707710A CN102707710A CN2012101808948A CN201210180894A CN102707710A CN 102707710 A CN102707710 A CN 102707710A CN 2012101808948 A CN2012101808948 A CN 2012101808948A CN 201210180894 A CN201210180894 A CN 201210180894A CN 102707710 A CN102707710 A CN 102707710A
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Abstract
The invention discloses a diagnosis function verification method for an automobile electronic control unit. The method comprises the following steps: sending diagnosis request data corresponding to diagnosis functions to the electronic control unit; receiving diagnosis reply data returned by the electronic control unit; and judging whether the diagnosis reply data is correct or not according to the diagnostic norms of the automobile electronic control unit and the diagnosis request data so as to obtain the verification result. The diagnosis function verification system for the automobile electronic control unit automatically executes the verification of various diagnosis functions instead of manually verifying all the diagnosis function inputs, thereby improving the working efficiency, lowering the manpower cost and improving the accuracy of the verification result.
Description
Technical field
The present invention relates to the check or the supervision of control system or its parts, be specifically related to a kind of vehicle electronic control unit diagnostic function verification method and system.
Background technology
Development along with automotive electronic technology; The electronic control unit that is equipped with on the automobile (Electronic Control Unit is called for short ECU) is more and more, and the function of automobile is not only more and more; Also become increasingly complex, the various vehicle failure that thereupon occur also present the trend of increase.Carry out the diagnosis and the maintenance of vehicle failure more efficiently for the ease of the auto repair personnel, on vehicle electronic control unit, developed diagnostic function.Before automobile dispatches from the factory, need split the vehicle electronic control unit diagnostic function that distributes and verify, accurately perfect to guarantee the vehicle electronic control unit diagnostic system diagnostic function that dispatches from the factory.
The classic method that the electronic control unit diagnostic function is verified is to give the tester with vehicle electronic control unit to be verified to carry out the monomer test.The tester carries out every diagnostic function through the simulation diagnostic equipment; Whether will reply the standard diagnostics answer data that define data and the diagnostic norms from the diagnosis from vehicle electronic control unit that data monitoring equipment is read then carries out correct to recently confirming it one by one; The method workload of this artificial comparison is big, inefficiency, and error rate is very high.
Summary of the invention
The present invention provides a kind of vehicle electronic control unit diagnostic function verification method and system, through automatically performing every diagnostic function, accomplishes the diagnostic function checking automatically, has practiced thrift human cost, and has improved checking accuracy rate as a result.
Vehicle electronic control unit diagnostic function verification method provided by the invention comprises the steps:
Send and the corresponding diagnosis request data of diagnostic function to electronic control unit;
Receive the diagnosis answer data that said electronic control unit returns;
According to vehicle electronic control unit diagnostic norms and said diagnosis request data, judge whether said diagnosis answer data are correct, thereby obtain the checking result.
Said diagnostic function verification method also comprises the steps: said checking result is shown to the user.
Vehicle electronic control unit diagnostic function verification method provided by the invention; The process that completion is automatically sent the diagnosis request data, received diagnosis answer data and verify in real time; Real-time will verify that the result is shown to the user, and the mistake that makes things convenient for the user to find that in time the electronic control unit diagnostic function possibly exist is so also in time corrected.Compare with conventional artificial checking electronic control unit diagnostic function, improved work efficiency greatly and improved checking accuracy rate as a result.
Vehicle electronic control unit diagnostic function verification system provided by the invention comprises:
Data transmission blocks is sent and the corresponding diagnosis request data of diagnostic function to electronic control unit;
Data acquisition module receives the diagnosis answer data that electronic control unit returns;
Data processing module receives from the diagnosis of said data acquisition module and replys data and from the said diagnosis request data of data transmission blocks; Judge according to said diagnosis request data and vehicle electronic control unit diagnostic norms whether said diagnosis answer data are correct, thereby obtain the checking result.
Said diagnostic function verification system can also comprise:
The terminal display module shows the checking result from said data processing module.
Concrete, said diagnostic function verification system is arranged in the host computer of test usefulness, links to each other with electronic control unit through communication interface.Preferably, said communication interface is the CAN bus.
Vehicle electronic control unit diagnostic function verification system provided by the invention is through automatically performing the checking work of each item diagnostic function; And need not artificially verify to every diagnostic function input; Improve work efficiency, reduced human cost, and improved checking result's accuracy rate.
Description of drawings
The electronic control unit diagnostic function verification method process flow diagram that Fig. 1 provides for one embodiment of the invention;
The electronic control unit diagnostic function verification method process flow diagram that Fig. 2 provides for another embodiment of the present invention;
Vehicle electronic control unit and vehicle electronic control unit diagnostic function verification system structural drawing that Fig. 3 provides for another embodiment of the present invention;
Vehicle electronic control unit and vehicle electronic control unit diagnostic function verification system structural drawing that Fig. 4 provides for another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment vehicle electronic control unit diagnostic function verification method provided by the invention and system are further specified.
Vehicle electronic control unit diagnostic function verification method provided by the invention is to judge also through sending and every corresponding diagnosis request data of diagnostic function to vehicle electronic control unit automatically, receiving whether the diagnosis answer data of returning correctly obtain to verify the result's.
In the vehicle electronic control unit diagnostic norms, defined with every corresponding diagnosis request text of diagnostic function and standard diagnostics and replied text, can obtain to reply data with every corresponding diagnosis request data of diagnostic function and standard diagnostics through data parsing.Concrete, text is replied in said diagnosis and said standard diagnostics answer text is the text that the user directly can read; And said diagnosis request data, said diagnosis answer data and said standard diagnostics answer data are the numerical coding that vehicle electronic control unit can be discerned.For example, diagnosis that vehicle electronic control unit is beamed back is replied data and is: 06 2E, 33 15 1F, 67 11 AA, reply data to this diagnosis and resolve the back and generate corresponding diagnosis answer text and be: the near front wheel speed sensor fault.
As a preferred embodiment of the present invention, as shown in Figure 1, specific as follows to the step that a certain diagnostic function of vehicle electronic control unit is verified:
Step 11 is sent and the corresponding diagnosis request data of this diagnostic function to electronic control unit;
Step 12 receives the diagnosis answer data that said electronic control unit returns;
Step 13 is replied data parsing according to said diagnosis and is gone out with the corresponding diagnosis of this diagnostic function to reply text;
Step 14 goes out with the corresponding standard diagnostics of this diagnostic function to reply text according to said diagnosis request data parsing;
Whether step 15, more said diagnosis are replied text consistent with said standard diagnostics answer text;
Step 16 is replied text and said standard diagnostics when said diagnosis and is replied text when consistent, judges that said diagnostic function checking result is correctly; Otherwise judge that said diagnostic function checking result is a mistake.
Wherein, step 14 can be carried out with step 12 simultaneously; Perhaps step 14 can be carried out with step 13 simultaneously.Step 14 specifically comprises:
First-selection parses and the corresponding diagnosis request text of said diagnosis request data, obtains to reply text with the corresponding standard diagnostics of said diagnostic function according to said diagnosis request text and vehicle electronic control unit diagnostic norms.
Said diagnostic function verification method can also comprise: the checking result that said determining step is obtained is shown to the user.
As a preferred embodiment of the present invention, as shown in Figure 2, specific as follows to the step that the vehicle electronic control unit diagnostic function is verified:
The method that the vehicle electronic control unit diagnostic function is verified can also comprise the steps:
Said checking result is shown to the user.
Wherein, step 22 can be carried out with step 23, step 24 or step 25 simultaneously.
Vehicle electronic control unit diagnostic function verification method provided by the invention; The process that completion is automatically sent the diagnosis request data, received diagnosis answer data and verify in real time; Real-time will verify that the result is shown to the user, and the mistake that makes things convenient for the user to find that in time the electronic control unit diagnostic function possibly exist is so also in time corrected.After can also verifying all diagnostic functions, all checking results are shown to the user, can make things convenient for the checking result of all diagnostic functions of the open-and-shut understanding vehicle electronic control unit of user like this.Compare with conventional artificial checking electronic control unit diagnostic function, improved work efficiency greatly and improved checking accuracy rate as a result.
The present invention also provides vehicle electronic control unit diagnostic function verification system, accomplishes the diagnostic function checking work to vehicle electronic control unit automatically through this diagnostic function verification system.
As another preferred embodiment of the present invention, as shown in Figure 3, diagnostic function verification system 101 provided by the invention is arranged in the host computer of test usefulness, carries out data interaction through communication interface and electronic control unit 201.Said communication interface is preferably CAN bus 301, can certainly pass through other communication interfaces, for example wireless telecommunications etc.
Said diagnostic function verification system 101 comprises:
Data transmission blocks 104 is sent the diagnosis request data to said electronic control unit 201;
Said diagnostic function verification system 101 can also comprise: with the terminal display module 105 that said data processing module 102 links to each other, be used to show said checking result.
Said data processing module 102 specifically comprises:
ECU data resolution module 106 receives and resolves from the diagnosis of said data acquisition module 103 and replys data, generates diagnosis and replys text;
Diagnostic norms data resolution module 107 receives and resolves the diagnosis request data from data transmission blocks 104, generates corresponding diagnosis request text; Obtain corresponding standard diagnostics answer text according to said diagnosis request text and vehicle electronic control unit diagnostic norms; And
As other a kind of distortion of present embodiment, as shown in Figure 4, data processing module 102 only comprises diagnostic norms data resolution module 107 and data verification module 108, wherein,
Diagnostic norms data resolution module 107 receives and resolves the diagnosis request data from data transmission blocks 104, generates corresponding diagnosis request text; Obtain corresponding standard diagnostics answer text according to said diagnosis request text and vehicle electronic control unit diagnostic norms with said diagnosis request text; Reply text resolution according to said standard diagnostics and go out standard diagnostics answer data;
Vehicle electronic control unit diagnostic function verification system provided by the invention is through automatically performing the checking work of each item diagnostic function; And need not artificially verify to every diagnostic function input; Improve work efficiency, reduced human cost, and improved checking result's accuracy rate.
Above embodiment only is used to technical scheme of the present invention is described, is not limited to protection scope of the present invention.Those skilled in the art can replace the modification that technical scheme of the present invention is carried out is perhaps equal, and do not break away from the spirit and the scope of technical scheme of the present invention.
Claims (10)
1. a vehicle electronic control unit diagnostic function verification method comprises the steps:
Send and the corresponding diagnosis request data of diagnostic function to electronic control unit;
Receive the diagnosis answer data that said electronic control unit returns;
According to vehicle electronic control unit diagnostic norms and said diagnosis request data, judge whether said diagnosis answer data are correct, thereby obtain the checking result.
2. vehicle electronic control unit diagnostic function verification method according to claim 1, said diagnostic function verification method also comprise the steps: said checking result is shown to the user.
3. vehicle electronic control unit diagnostic function verification method according to claim 1 and 2 is characterized in that said determining step comprises:
Reply data parsing according to said diagnosis and go out corresponding diagnosis answer text;
Go out corresponding diagnosis request text according to said diagnosis request data parsing;
Obtain to reply text according to said diagnosis request text and vehicle electronic control unit diagnostic norms with the corresponding standard diagnostics of said diagnostic function;
More said diagnosis is replied text and is replied text with said standard diagnostics, replys text and said standard diagnostics when said diagnosis and replys text when consistent, judges that said diagnostic function checking result is correctly, otherwise judges that said diagnostic function verifies that the result is a mistake.
4. vehicle electronic control unit diagnostic function verification method according to claim 1 and 2 is characterized in that said determining step comprises:
Go out corresponding diagnosis request text according to said diagnosis request data parsing;
Obtain to reply text according to said diagnosis request text and vehicle electronic control unit diagnostic norms with the corresponding standard diagnostics of said diagnostic function;
Reply text resolution according to said standard diagnostics and go out standard diagnostics answer data;
Data are replied in more said diagnosis and said standard diagnostics is replied data, when data and said standard diagnostics answer data consistent are replied in said diagnosis, judge said diagnostic function checking result for correct, otherwise judge that said diagnostic function checking result is a mistake.
5. a vehicle electronic control unit diagnostic function verification system is characterized in that, said diagnostic function verification system (101) comprising:
Data transmission blocks (104) is sent and the corresponding diagnosis request data of diagnostic function to electronic control unit (201);
Data acquisition module (103) receives the diagnosis answer data that electronic control unit (201) returns;
Data processing module (102) receives from the diagnosis of said data acquisition module (103) and replys data and from the said diagnosis request data of data transmission blocks (104); Judge according to said diagnosis request data and vehicle electronic control unit diagnostic norms whether said diagnosis answer data are correct, thereby obtain the checking result.
6. vehicle electronic control unit diagnostic function verification system according to claim 5 is characterized in that, said diagnostic function verification system (101) also comprises:
Terminal display module (105) shows the checking result from said data processing module (102).
7. vehicle electronic control unit diagnostic function verification system according to claim 6 is characterized in that, said data processing module (102) comprising:
ECU data resolution module (106) receives and resolves from the diagnosis of said data acquisition module (103) and replys data, generates diagnosis and replys text;
Diagnostic norms data resolution module (107), reception is also resolved the said diagnosis request data from said data transmission blocks (104), generates corresponding diagnosis request text; Obtain to reply text according to said diagnosis request text and vehicle electronic control unit diagnostic norms with the corresponding standard diagnostics of said diagnostic function; And
Data verification module (108) receives and text is replied in more said diagnosis and said standard diagnostics is replied text; Reply text and said standard diagnostics when said diagnosis and reply text when consistent, judge said diagnostic function checking result for correctly, otherwise judge that said diagnostic function verifies that the result is a mistake; And said checking result sent to said terminal display module (105).
8. vehicle electronic control unit diagnostic function verification system according to claim 6 is characterized in that, said data processing module (102) comprising:
Diagnostic norms data resolution module (107) receives and resolves said diagnosis request data, generates corresponding diagnosis request text; Obtain to reply text according to said diagnosis request text and vehicle electronic control unit diagnostic norms with the corresponding standard diagnostics of said diagnostic function; Reply text resolution according to said standard diagnostics and go out standard diagnostics answer data;
Data verification module (108) receives and data are replied in more said diagnosis and said standard diagnostics is replied data; When data and said standard diagnostics answer data consistent are replied in said diagnosis, judge said diagnostic function checking result for correct, otherwise judge that said diagnostic function checking result is a mistake; And said checking result is sent to terminal display module (105) show.
9. according to the arbitrary described vehicle electronic control unit diagnostic function verification system of claim 5～8, it is characterized in that said diagnostic function verification system (101) is arranged in the host computer of test usefulness, links to each other with electronic control unit through communication interface.
10. vehicle electronic control unit diagnostic function verification system according to claim 9 is characterized in that, said communication interface is CAN bus (301).
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| CN103439961A (en) * | 2013-08-02 | 2013-12-11 | 浙江吉利汽车研究院有限公司 | Automobile electronic control unit diagnostic function test method and system |
| CN103513651A (en) * | 2013-09-27 | 2014-01-15 | 潍柴动力股份有限公司 | ECU data detecting method and device |
| CN104340143A (en) * | 2013-07-30 | 2015-02-11 | 马涅蒂-马瑞利公司 | Asil b-compliant implementation of automotive safety-related functions by means of high diagnosability, quality managed-compliant integrated circuit |
| CN105446314A (en) * | 2014-09-23 | 2016-03-30 | 英飞凌科技股份有限公司 | Sensor system using safety mechanism |
| CN106200618A (en) * | 2016-08-03 | 2016-12-07 | 北京汽车股份有限公司 | The method of testing of Vehicle Electronic Control modular diagnostic function and system |
| CN106407066A (en) * | 2016-09-26 | 2017-02-15 | 北京经纬恒润科技有限公司 | An end of line detection method and system for electronic products |
| CN113886165A (en) * | 2021-09-23 | 2022-01-04 | 苏州浪潮智能科技有限公司 | Verification method, device, equipment and readable medium for firmware diagnosis function |
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| CN106200618B (en) * | 2016-08-03 | 2019-02-01 | 北京汽车股份有限公司 | The test method and system of Vehicle Electronic Control modular diagnostic function |
| CN106407066A (en) * | 2016-09-26 | 2017-02-15 | 北京经纬恒润科技有限公司 | An end of line detection method and system for electronic products |
| CN113886165A (en) * | 2021-09-23 | 2022-01-04 | 苏州浪潮智能科技有限公司 | Verification method, device, equipment and readable medium for firmware diagnosis function |
| CN113886165B (en) * | 2021-09-23 | 2023-08-11 | 苏州浪潮智能科技有限公司 | Verification method, device and equipment for firmware diagnosis function and readable medium |
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Application publication date: 20121003 |