CN115328078A - Automatic vehicle fault identification processing method - Google Patents
Automatic vehicle fault identification processing method Download PDFInfo
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- CN115328078A CN115328078A CN202210862693.XA CN202210862693A CN115328078A CN 115328078 A CN115328078 A CN 115328078A CN 202210862693 A CN202210862693 A CN 202210862693A CN 115328078 A CN115328078 A CN 115328078A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
- G05B23/0213—Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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- Automation & Control Theory (AREA)
- Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
Abstract
The invention discloses a vehicle fault automatic identification processing method, which identifies the fault of a vehicle through MFT equipment and realizes one-key repair, stores a program library corresponding to the vehicle and a fault library and a scheme library which are mutually associated and correspond, runs programs in the program library and identifies fault information in the running programs; and acquiring and displaying the troubleshooting scheme according to the fault information, the fault library and the scheme library, and finally realizing the one-key repair of the fault. The invention improves the manual vehicle electrical appliance fault identification in the prior art to carry out electrical appliance repair into a scheme of identifying and listing vehicle faults by MFT equipment to realize one-key repair, thereby not only reducing repair time and saving production time, but also preventing quality overflow caused by manual repair errors and improving product quality.
Description
Technical Field
The invention relates to a vehicle fault automatic identification processing method, in particular to a method for automatically identifying and processing vehicle faults by using MFT equipment, and belongs to the technical field of automobile electrical appliance detection.
Background
With the high-speed development of the automobile industry, the requirements of consumers on automobiles are higher and higher, more and more ECUs are arranged on the automobiles, and the functions are more and more complex. This increases the difficulty of repairing the electric appliance during the manufacturing process, and the demand for personnel is also increased. When a field repair person repairs an electric appliance fault, the field repair person needs to know the vehicle fault, analyze the fault reason and select an electric appliance repair project; only 28 SV51 vehicle-type controllers are currently available, the general assembly electric inspection function covers the controller writing, configuration, static test, part number comparison and fault code reading, and repair personnel need to be familiar with the operation of electric inspection equipment and the electric inspection process flow. The vehicle with unqualified final assembly and the vehicle with the missing parts is repaired, so that the possibility of misoperation and operation leakage is easy to occur. The electric detection repair is automatically identified by MFT equipment through manual identification, so that the fault repair time can be saved by 20S/station, and the quality overflow caused by manual repair errors of final assembly can be avoided.
Disclosure of Invention
The invention aims to provide an automatic vehicle fault identification and processing method, which provides necessary guarantee for processing qualified products.
The invention is realized by the following technical scheme: a vehicle fault automatic identification processing method, through MFT apparatus discerns the fault of the vehicle and realizes the one-key repair, store the program library corresponding to said vehicle and correlated to each other and fault library and scheme library corresponding to each other, operate the procedure in the said program library, discern the fault information in the said procedure operated; acquiring and displaying the troubleshooting scheme according to the fault information, the fault library and the scheme library, and finally realizing one-key repair of the fault;
the MFT device is a handheld multifunctional tester, is developed based on a linux system, can run an electrical inspection program to identify faults and detect electrical equipment, is provided with an OBD interface and can communicate with a vehicle; in the fault identification process, the electric detection server can store all electric appliance detection data, the electric detection program can read historical faults from the server or read fault codes by the electric detection program, the electric detection program can also detect an error item when acquiring the historical faults, and the electric detection program can call the item for re-detection.
Further, the vehicle fault automatic identification processing method comprises the following specific steps:
step 1, combing the electric appliance detection functions, arranging electric detection items of all controllers according to electric detection specifications, sending the electric detection specifications of all controllers through a technical center, and arranging the detection items according to different requirements of all the controllers, wherein the detection items at least comprise flashing, static testing, dynamic testing, burglary prevention, part number comparison and self-learning. The controller comprises SRS, IPK, ADAS, TBOX, BCM, EPS, ATC, FICM, CLR, CLRI, PEU, SCU, CLR, TCU, HCU, EPP, ESC, ADAS, FICM, HCU, PEU, BMS, GW, GSM, EMS, IPK and VCU, and the controller is added according to the addition of a subsequent new vehicle type.
Step 2, confirming the electric detection repair process together with a repair and engineering department, arranging unqualified items of electric appliance detection related to the controller according to the electric detection specification in the step, informing the process department of verifying whether a conclusion is correct or not through field real vehicle, and if the conclusion is correct, solidifying the unqualified items and compiling the unqualified items into a repair process file;
step 3, counting the program numbers of the electric examination items, pulling out the program numbers of all the electric examination items in the server, and matching the program numbers with the test items of each ECU;
step 4, opening the electrical inspection program, corresponding the unqualified electrical inspection items to the electrical inspection detection items according to the electrical inspection repair process, simultaneously sorting the electrical inspection items of each ECU, and compiling an electrical inspection one-key repair configuration file
And 5, updating the electric detection program, compiling a new electric detection program through a computer, issuing the new electric detection program to an electric detection server, updating the electric detection server to the MFT equipment, and covering the original electric detection program.
Further, in step 1, the MFT device is connected to the vehicle to be detected through the OBD system, the diagnostic software selects different identification commands to send to the vehicle controller according to different types of the vehicle controller, the vehicle controller sends corresponding response data to the diagnostic software, the diagnostic software determines a specific model of the vehicle controller according to the number of bytes of the response data, and sets corresponding electrical inspection detection items after the diagnostic software obtains the specific model of the vehicle controller.
Further, in step 1, the diagnostic software reads the identification information, the fault information and the data stream information of the vehicle controller in sequence, and automatically saves the same in a data file in sequence.
Further, in the step 2, the user reads and obtains specific fault information of the vehicle controller according to the diagnosis software, wherein the fault information displays specific meanings of each fault code, a pin connection relation between a fault corresponding part and the vehicle controller, a fault elimination method and specification parameters of a fault part.
The system further comprises a detection terminal used for storing a program library, a fault library and a scheme library, wherein the fault library and the scheme library are mutually associated and correspond to each other, the detection terminal is used for identifying the identity information of the vehicle and operating the programs in the program library according to the identity information so as to identify the fault information in the operating programs, and the detection terminal obtains a fault elimination scheme according to the fault information, the fault library and the scheme library and displays the fault elimination scheme.
Compared with the prior art, the invention has the beneficial effects that: the invention improves the manual identification of vehicle electrical appliance faults in the prior art to repair the electrical appliance into the scheme of identifying and listing the vehicle faults by MFT equipment to realize one-key repair, thereby not only reducing the repair time and saving the production time, but also preventing the quality overflow caused by manual repair errors and improving the product quality.
Drawings
FIG. 1 is a block flow diagram of the present invention.
Detailed Description
The embodiment provides a vehicle fault automatic identification processing method, which comprises the following steps:
step 1, combing the electric appliance detection functions, and sorting the electric detection items of all controllers according to electric detection specifications;
step 2, confirming the electric detection repair process, and confirming the electric detection repair process together with the repair and engineering departments;
step 3, counting the program numbers of the electric examination items, pulling out the program numbers of all the electric examination items in the server, and matching the program numbers with the test items of each ECU;
step 4, electrical inspection program development, wherein the electrical inspection unqualified items correspond to electrical inspection detection items according to an electrical inspection repair process, meanwhile, the electrical inspection items of each ECU are sorted, and an electrical inspection one-key repair configuration file is compiled;
and 5, updating the electric detection program, and releasing the new electric detection program to the electric detection server and the MFT equipment.
After the MFT equipment is connected to the vehicle through the OBD, the repair personnel click the EOL CHECK, and the MFT equipment acquires the electric detection state of the vehicle from the electric detection server and lists all unqualified items. The Repair worker can check specific information and Repair the call after clicking each unqualified item, the Repair worker can check specific fault information by clicking 'Detail', and Repair can be performed by clicking 'Repair', so that detection items in a Repair work call-out device detection list are not required to be searched. When the missing PART is repaired, the corresponding controller is selected after the employee selects the MISS PART to enter, all the electrical appliance detection items of the ECU can be completed, and the employee does not need to search the electrical appliance detection items one by one. Meanwhile, after the repair is finished, "EOL CHECK" can be clicked to confirm the repair state. Therefore, the operation steps of repair work can be reduced, and the operation time is saved; the requirement on the quality of the repair work is also reduced, and the quality overflow caused by manual operation is prevented.
It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described above, but that various changes and modifications may be made within the scope of the present invention as hereinafter claimed.
Claims (6)
1. A vehicle fault automatic identification processing method is characterized in that: identifying faults of a vehicle and realizing one-key repair through MFT equipment, storing a program library corresponding to the vehicle and a fault library and a scheme library which are correlated and correspond to each other, operating programs in the program library, and identifying fault information in the operated programs; acquiring and displaying the troubleshooting scheme according to the fault information, the fault library and the scheme library, and finally realizing one-key repair of the fault;
the MFT equipment is developed based on a linux system, can run an electrical detection program for identifying faults and detecting electrical equipment, is provided with an OBD (on-board diagnostics) interface and can be communicated with a vehicle; in the fault identification process, the electric detection server can store all electric appliance detection data, the electric detection program can read historical faults from the server or read fault codes by the electric detection program, the electric detection program can detect items with errors when acquiring the historical faults, and the electric detection program can call the items to detect again.
2. The vehicle malfunction automatic identification processing method according to claim 1, characterized in that: the method comprises the following specific steps:
step 1, combing the electric appliance detection functions, arranging electric detection items of all controllers according to electric detection specifications, sending the electric detection specifications of all controllers through a technical center, and arranging the detection items according to different requirements of all the controllers, wherein the detection items at least comprise flashing, static testing, dynamic testing, burglary prevention, part number comparison and self-learning;
step 2, confirming the electrical inspection repair process together with a repair and engineering department, arranging unqualified items of electrical appliance detection related in the controller according to the electrical inspection standard in the step, informing the process department of verifying whether a conclusion is correct or not through on-site real vehicle, and if the conclusion is correct, solidifying the unqualified items and compiling into a repair process file;
step 3, counting the program numbers of the electric examination items, pulling out the program numbers of all the electric examination items in the server, and matching the program numbers with the test items of each ECU;
step 4, opening the electrical inspection program, corresponding the unqualified electrical inspection items to the electrical inspection detection items according to the electrical inspection repair process, simultaneously sorting the electrical inspection items of each ECU, and compiling an electrical inspection one-key repair configuration file
And 5, updating the electric detection program, compiling a new electric detection program through a computer, issuing the new electric detection program to an electric detection server, updating the electric detection server to the MFT equipment, and covering the original electric detection program.
3. The vehicle malfunction automatic identification processing method according to claim 1, characterized in that: in the step 1, the MFT device is connected to the vehicle to be detected through the OBD system, the diagnosis software selects different identification commands to send to the vehicle controller according to different types of the vehicle controller, the vehicle controller sends corresponding response data to the diagnosis software, the diagnosis software judges the specific model of the vehicle controller according to the byte number of the response data, and after the diagnosis software obtains the specific model of the vehicle controller, corresponding electric detection items are set.
4. The vehicle malfunction automatic identification processing method according to claim 3, characterized in that: in the step 1, the diagnostic software reads the identification information, the fault information and the data flow information of the vehicle controller in sequence and automatically stores the information in a data file in sequence.
5. The vehicle malfunction automatic identification processing method according to claim 2, characterized in that: in the step 2, a user reads and obtains specific fault information of the vehicle controller according to the diagnosis software, wherein the fault information displays specific meanings of each fault code, a pin connection relation between a fault corresponding part and the vehicle controller, a fault elimination method and specification parameters of a fault part.
6. The vehicle malfunction automatic identification processing method according to claim 1, characterized in that: the system comprises a detection terminal, a fault library and a scheme library, wherein the fault library and the scheme library are associated with each other and correspond to each other, the detection terminal is used for identifying identity information of a vehicle and operating a program in the program library according to the identity information so as to identify fault information in the operating program, and the detection terminal obtains a troubleshooting scheme according to the fault information, the fault library and the scheme library and displays the troubleshooting scheme.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210862693.XA CN115328078A (en) | 2022-07-21 | 2022-07-21 | Automatic vehicle fault identification processing method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210862693.XA CN115328078A (en) | 2022-07-21 | 2022-07-21 | Automatic vehicle fault identification processing method |
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| CN115328078A true CN115328078A (en) | 2022-11-11 |
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| CN202210862693.XA Pending CN115328078A (en) | 2022-07-21 | 2022-07-21 | Automatic vehicle fault identification processing method |
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- 2022-07-21 CN CN202210862693.XA patent/CN115328078A/en active Pending
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