CN110703731A - Intelligent diagnosis system for automobile faults - Google Patents
Intelligent diagnosis system for automobile faults Download PDFInfo
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- CN110703731A CN110703731A CN201911000346.0A CN201911000346A CN110703731A CN 110703731 A CN110703731 A CN 110703731A CN 201911000346 A CN201911000346 A CN 201911000346A CN 110703731 A CN110703731 A CN 110703731A
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- 238000003745 diagnosis Methods 0.000 title claims abstract description 23
- 238000004891 communication Methods 0.000 claims abstract description 35
- 238000012545 processing Methods 0.000 claims abstract description 17
- 238000004088 simulation Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 4
- 238000012423 maintenance Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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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
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
Abstract
The invention relates to the technical field of automobile maintenance and discloses an intelligent diagnosis system for automobile faults, which comprises a processor, an electric control unit, a fault comparison module, a fault reasoning module, a database, a data acquisition module, an automobile modeling module, an alarm module, a wireless communication module and a fault processing module, wherein the processor is used for processing the fault diagnosis result of the fault reasoning module; and the electronic control unit is in communication connection with the processor and is used for checking the sensors and the execution elements in the automobile and judging whether the sensors and the execution elements in the automobile are normal or not. The intelligent diagnosis system for the automobile faults checks all sensors and execution elements on the automobile through the electric control unit, and if the transmission signals and the feedback signals received by the electric control unit fluctuate, fault information is processed by the fault comparison module and the fault reasoning module and is connected with the database as reference, so that the reasons and the positions of faults are found out.
Description
Technical Field
The invention relates to the technical field of automobile maintenance, in particular to an intelligent diagnosis system for automobile faults.
Background
In recent years, with the application of advanced technologies in the subject fields of computers, electronics and the like to automobiles, automobile structures are increasingly complex, automobile functions are increasingly expanded, electronic modules are increasingly applied, and the difficulty of automobile fault diagnosis is also increasingly high.
The fault diagnosis system is also called an expert consultation system, is an intelligent system, and is a system capable of solving difficult and complex practical problems like human experts.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an intelligent diagnosis system for automobile faults, which solves the problem that the fault diagnosis system cannot distinguish the specific position of the fault and judge the fault type.
The invention provides the following technical scheme: an intelligent diagnosis system for automobile faults comprises a processor, an electric control unit, a fault comparison module, a fault reasoning module, a database, a data acquisition module, an automobile modeling module, an alarm module, a wireless communication module and a fault processing module;
the electronic control unit is in communication connection with the processor and is used for checking the sensor and the executive component in the automobile and judging whether the sensor and the executive component in the automobile are normal or not;
the fault comparison module and the fault reasoning module are in communication connection with the processor, the database is in communication connection with the fault comparison module and the fault reasoning module respectively, data transmitted by the electronic control unit are transferred to the fault comparison module and the fault reasoning module, and the fault reason and the fault position are judged and various fault possible types are listed through comparison of data stored in the database;
the data acquisition module is in communication connection with the processor and is used for inputting faults occurring before the same vehicle type, and the faults can be collected by the system or uploaded by a user;
the automobile modeling module is in communication connection with the processor, presents a vehicle abstract picture on a display screen, and flashes a red dot prompt at a position where a fault occurs;
the wireless communication module is in communication connection with the processor and used for remotely receiving or transmitting vehicle information and conveniently remotely detecting vehicle faults, and the fault processing module is in communication connection with the processor and provides a detailed solution for solving the fault record or a road rescue contact way at the place.
Preferably, the electric control unit is an electric control element for transmitting signals by the sensor, the electric control unit transmits signals to the actuator and feeds back the signals by the actuator, and any one of the three problems can cause a fault.
Preferably, the automobile modeling module comprises an automobile model input unit, an automobile model simulation unit and a storage unit, all automobile model information is stored in the storage unit, the automobile model input unit is used for inputting the automobile model information and is convenient to search, and the automobile model simulation unit simulates an automobile abstract picture and flashes red point prompt at a fault position.
Preferably, a large amount of vehicle type fault data are recorded in the database, and corresponding processing procedures are recorded.
The operation flow of the intelligent diagnosis system is as follows:
s1, the electric control unit checks signals of various sensors and actuators, compares the signals with data recorded inside, and if the signals come in and go out, the signals are led into a processor for analysis;
s2, the processor transmits the received information to the fault comparison module and the fault inference module for processing, and the fault comparison module and the fault inference module refer to the information in the database to draw a conclusion and present the reason and the position of the automobile fault on the display screen;
and S3, modeling by the automobile modeling module according to the data in the S2, and marking the position where the fault possibly occurs.
And S4, providing a corresponding solution or providing a road rescue connection according to the information in the storage unit by the fault processing module.
Preferably, in S2, if the vehicle has a fault, the alarm module lights up the corresponding indicator light, so that the driver can determine whether the vehicle can run normally.
Preferably, in S4, the data about the vehicle can be transmitted via the wireless communication module, and analyzed by a professional to check the fault.
Compared with the prior art, the invention has the following beneficial effects:
this automobile fault intelligent diagnosis system, examine through all sensors and the executive component on the automatically controlled unit to the vehicle, if the conveying signal and the feedback signal that the automatically controlled unit received show undulant, then utilize trouble contrast module and trouble reasoning module to process fault information, and be connected with the database, as the reference, so find out the reason and the position that the trouble took place, and show through the mode of modeling, make things convenient for the driver to look over, and cooperate the fault handling module, provide detailed solution, so facilitate the use and improved the security of driving.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure of the electronic control unit according to the present invention;
FIG. 3 is a schematic structural diagram of an automotive modeling module of the present invention.
In the figure: 1. a processor; 2. an electronic control unit; 3. a fault comparison module; 4. a fault reasoning module; 5. a database; 6. a data acquisition module; 7. an automobile modeling module; 8. an alarm module; 9. a wireless communication module; 10. and a fault processing module.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described below clearly and completely with reference to the accompanying drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect.
To maintain the following description of the embodiments of the present disclosure clear and concise, detailed descriptions of known functions and known components are omitted so as to not unnecessarily obscure the concepts of the present disclosure.
Referring to fig. 1-3, an intelligent diagnosis system for vehicle failure comprises a processor 1, an electronic control unit 2, a failure comparison module 3, a failure inference module 4, a database 5, a data acquisition module 6, a vehicle modeling module 7, an alarm module 8, a wireless communication module 9, and a failure processing module 10.
The electronic control unit 2 is in communication connection with the processor 1 and is used for checking the sensors and the execution elements in the automobile and judging whether the sensors and the execution elements in the automobile are normal or not.
The fault comparison module 3 and the fault reasoning module 4 are in communication connection with the processor 1, the database 5 is in communication connection with the fault comparison module 3 and the fault reasoning module 4 respectively, data transmitted by the electronic control unit 2 are transferred to the fault comparison module 3 and the fault reasoning module 4, comparison is carried out through data stored in the database 5, the fault reason and the fault position are judged, and the possible types of the fault are listed.
The data acquisition module 6 is in communication connection with the processor 1, is used for recording various faults occurring before the same vehicle type, and can be collected by a system or uploaded by a user.
The automobile modeling module 7 is in communication connection with the processor 1, presents a vehicle abstract picture on a display screen, and flashes a red dot prompt at a position where a fault occurs.
The alarm module 8 is in communication connection with the processor 1 and used for prompting the occurrence of a vehicle fault, the wireless communication module 9 is in communication connection with the processor 1 and used for remotely receiving or transmitting vehicle information so as to conveniently and remotely detect the vehicle fault, and the fault processing module 10 is in communication connection with the processor 1 and provides a detailed solution for solving the fault record or a road rescue contact way.
In an alternative embodiment, the electronic control unit 2 is an electronic control element for transmitting signals by a sensor, and the electronic control unit 2 transmits signals to the actuator and feeds back signals by the actuator, and any one of the three has a problem, which can cause a fault.
In an optional embodiment, the automobile modeling module 7 includes an automobile model input unit, an automobile model simulation unit and a storage unit, all the automobile model information is stored in the storage unit, the automobile model input unit is used for inputting the automobile model information and is convenient to search, and the automobile model simulation unit simulates an automobile abstract drawing and flashes red point prompt at a fault position.
In an alternative embodiment, a large amount of vehicle model fault data is recorded in the database 5, and corresponding processing procedures are recorded.
The intelligent diagnosis system has the following operation flow:
s1, the electric control unit 2 checks signals of various sensors and actuators, compares the signals with data recorded inside, and if the signals come in and go out, the data are led into the processor 1 to be analyzed;
s2, the processor 1 transmits the received information to the fault comparison module 3 and the fault inference module 4 for processing, and the fault comparison module 3 and the fault inference module 4 refer to the information in the database 5 to draw a conclusion and present the reason and the part of the automobile with the fault on the display screen;
and S3, the automobile modeling module 7 carries out modeling according to the data in the S2 and marks the position where the fault possibly occurs.
S4, the fault handling module 10 provides corresponding solutions or road rescue links according to the information in the storage unit.
In an alternative embodiment, in S2, if the vehicle has a fault, the alarm module 8 lights up the corresponding indicator light, so that the driver can determine whether the vehicle can run normally.
In an alternative embodiment, in S4, the data specific to the vehicle may also be transmitted via the wireless communication module 9, and analyzed by a professional to troubleshoot the fault.
The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the scope of the present invention is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present invention, and such modifications and equivalents should also be considered as falling within the scope of the present invention.
Claims (7)
1. The utility model provides an automobile fault intelligent diagnosis system which characterized in that: the system comprises a processor (1), an electric control unit (2), a fault comparison module (3), a fault reasoning module (4), a database (5), a data acquisition module (6), an automobile modeling module (7), an alarm module (8), a wireless communication module (9) and a fault processing module (10);
the electronic control unit (2) is in communication connection with the processor (1) and is used for checking the sensors and the execution elements in the automobile and judging whether the sensors and the execution elements in the automobile are normal or not;
the fault comparison module (3) and the fault reasoning module (4) are in communication connection with the processor (1), the database (5) is in communication connection with the fault comparison module (3) and the fault reasoning module (4) respectively, data transmitted by the electronic control unit (2) are transferred to the fault comparison module (3) and the fault reasoning module (4), and the fault reason and the fault position are judged and various fault possible types are enumerated through comparison of data stored in the database (5);
the data acquisition module (6) is in communication connection with the processor (1) and is used for recording faults occurring before the same vehicle type, and the faults can be collected by a system or uploaded by a user;
the automobile modeling module (7) is in communication connection with the processor (1), presents a vehicle abstract picture on a display screen, and flashes a red dot prompt at a position where a fault occurs;
the alarm module (8) is in communication connection with the processor (1) and used for prompting that a vehicle breaks down, the wireless communication module (9) is in communication connection with the processor (1) and used for remotely receiving or transmitting vehicle information and conveniently remotely detecting vehicle faults, and the fault processing module (10) is in communication connection with the processor (1) and provides a detailed solution for solving the fault record or a road rescue contact way.
2. The intelligent diagnosis system for vehicle faults as claimed in claim 1, wherein: the electric control unit (2) is an electric control element for transmitting signals by the sensor, the electric control unit (2) transmits signals to the actuator and feeds back signals by the actuator, and any one of the electric control unit, the electric control unit and the actuator can cause faults when a problem occurs.
3. The intelligent diagnosis system for vehicle faults as claimed in claim 1, wherein: the automobile modeling module (7) comprises an automobile model input unit, an automobile model simulation unit and a storage unit, all automobile model information is stored in the storage unit, the automobile model input unit is used for inputting the automobile model information and is convenient to search, and the automobile model simulation unit simulates an automobile abstract picture and flashes red point prompt at a fault position.
4. The intelligent diagnosis system for vehicle faults as claimed in claim 1, wherein: and a large amount of vehicle type fault data are recorded in the database (5), and corresponding processing procedures are recorded.
5. The intelligent diagnosis system for vehicle faults as claimed in claim 1, wherein: the operation flow of the intelligent diagnosis system is as follows:
s1, the electric control unit (2) checks signals of various sensors and actuators, compares the signals with data recorded inside, and if the signals enter or exit, the data are led into the processor (1) for analysis;
s2, the processor (1) transmits the received information to the fault comparison module (3) and the fault reasoning module (4) for processing, the fault comparison module (3) and the fault reasoning module (4) refer to the information in the database (5) to draw a conclusion, and the reason and the part of the automobile with the fault are displayed on the display screen;
s3, the automobile modeling module (7) models according to the data in the S2 and marks the position where the fault possibly occurs;
s4, the fault processing module (10) provides corresponding solution or road rescue connection according to the information in the storage unit.
6. The intelligent diagnosis system for vehicle failure according to claim 5, wherein: in S2, if the vehicle has a fault, the alarm module (8) lights up the corresponding indicator lamp, thus allowing the person to determine whether the vehicle can run normally.
7. The intelligent diagnosis system for vehicle failure according to claim 5, wherein: in S4, the data of the vehicle can be transmitted via the wireless communication module (9) and analyzed by professional to check the fault.
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| CN201911000346.0A CN110703731A (en) | 2019-10-21 | 2019-10-21 | Intelligent diagnosis system for automobile faults |
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| CN201911000346.0A CN110703731A (en) | 2019-10-21 | 2019-10-21 | Intelligent diagnosis system for automobile faults |
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Cited By (5)
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| CN111976499A (en) * | 2020-08-10 | 2020-11-24 | 合肥哈工路波机器人科技有限公司 | Track control system of high-speed magnetic suspension hovercar |
| CN113093158A (en) * | 2021-04-06 | 2021-07-09 | 吉林大学 | Intelligent automobile sensor data correction method for safety monitoring |
| CN113888856A (en) * | 2021-09-30 | 2022-01-04 | 江苏久智环境科技服务有限公司 | Monitoring system for providing operation for sprinkler based on road traffic fault judgment model |
| CN116382244A (en) * | 2023-04-28 | 2023-07-04 | 润芯微科技(江苏)有限公司 | Intelligent automobile online monitoring and diagnosing system and method based on embedded intelligent automobile online monitoring and diagnosing system |
| CN116605163A (en) * | 2023-07-21 | 2023-08-18 | 深圳市蓝鲸智联科技有限公司 | Automobile organic solvent detection prompt system |
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