CN112180764A - Controller with multiple fault diagnosis and display functions - Google Patents
Controller with multiple fault diagnosis and display functions Download PDFInfo
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- CN112180764A CN112180764A CN201911387949.0A CN201911387949A CN112180764A CN 112180764 A CN112180764 A CN 112180764A CN 201911387949 A CN201911387949 A CN 201911387949A CN 112180764 A CN112180764 A CN 112180764A
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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
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/28—Testing of electronic circuits, e.g. by signal tracer
- G01R31/316—Testing of analog circuits
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Abstract
The invention discloses a controller with multiple fault diagnosis and display functions, which comprises a control system and a control method of the controller, wherein the control system comprises: a data transmission module; the parameter control module is used for providing a circuit parameter report to the receiving module; the receiving module is used for collecting the response data corresponding to the fault diagnosis request sent by the electronic control unit while receiving the response data, and analyzing to obtain a fault code corresponding to the response data; and the generating module is used for judging whether the fault code is consistent with the fault code and the fault state preset in the fault injection table. The control system of the controller provided by the invention can carry out fault diagnosis, realize an automatic fault test process, finally generate a fault diagnosis result, and directly display the diagnosis result on the display screen, thereby improving the efficiency of fault test.
Description
Technical Field
The present invention relates to the field of controller technology, and more particularly, to a controller with multiple fault diagnosis and display functions.
Background
With the rapid development of modern industrial and scientific technology and the continuous innovation of electronic technology, the structure and system of modern equipment become more and more complex. Fault analysis for any large complex system and equipment is associated with extensive property and personnel safety, and therefore circuit fault diagnosis becomes particularly important. Although the digital circuit exceeds 80% in the electronic device, the test time of the analog circuit accounts for 80% -90% of the test time of the whole hybrid circuit, and the situation that a single fault occurs in the analog circuit accounts for 70% -80% of the total fault type of the system. The progress of analog circuit fault diagnosis has been relatively slow compared to digital circuits, and therefore fault diagnosis of analog circuits is a research subject with a wide application prospect.
The existing method for diagnosing the circuit fault by the controller needs a user to have comprehensive circuit knowledge, manually screens circuit data according to different circuit characteristics, is complex in diagnosis process, only gives a fault result, ignores analysis of circuit fault information and is opaque.
Disclosure of Invention
The invention aims to provide a controller with multiple fault diagnosis and display functions.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows: a controller with multiple fault diagnosis and display functions comprises a control system and a control method of the controller, wherein the control system comprises:
the data sending module is used for sending a fault diagnosis request to the tested electronic unit;
the judging module is used for establishing a circuit parameter report according to whether the response data is abnormal data or not when receiving the response data corresponding to the fault diagnosis request returned by the tested electronic unit;
the parameter control module is used for providing a circuit parameter report to the receiving module, and the circuit parameters comprise: the device comprises analog circuit component parameters, input parameters of a real analog circuit and a fault injection module, wherein the fault injection module is used for inputting fault diagnosis request parameters and storing a fault injection table;
the receiving module is used for generating the response data according to the circuit parameters and the report;
the acquisition module is used for acquiring the response data corresponding to the fault diagnosis request sent by the electronic control unit and analyzing the response data to obtain a fault code corresponding to the response data;
the generating module is used for judging whether the fault code is consistent with the fault code and the fault state preset in the fault injection table, if so, the fault diagnosis request is proved to pass the corresponding fault test, and a fault diagnosis result is generated;
the display unit is used for displaying the fault result of the data of the generation module on the display unit, and the fault result comprises: circuit data, fault diagnosis results and matching rules.
Preferably, the judging module further comprises a setting module and a comparing module, the setting module is used for setting a threshold value of the frequency of the received response data, the code storage module is used for storing fault codes, and different frequencies of the response data correspond to different fault codes;
and the comparison module is used for determining the frequency of the response data received by the electronic unit, comparing the frequency with the threshold value of the set frequency of the received response data, extracting the frequency data and the corresponding fault code when the frequency is determined to be less than the threshold value of the set frequency of the received response data, and sending the fault code through the acquisition module.
Preferably, the system further comprises a setup module, the setup module comprising:
the acquisition unit is used for acquiring a circuit parameter report;
and the setting unit is used for setting the injection type of the circuit parameter report and setting the environment variable related to the type of the circuit parameter report.
Preferably, the system further comprises:
the first storage module is used for creating a storage model and storing the fault diagnosis request according to a storage format preset in the storage model;
a second storage module, configured to store response data corresponding to the fault diagnosis request according to a storage format preset in the storage model:
and the clearing module is used for clearing the fault code after the fault test is finished.
The control method comprises the following steps:
sending a fault diagnosis request to the tested electronic unit;
when response data corresponding to the fault diagnosis request returned by the tested electronic unit is received, establishing a circuit parameter report according to whether the response data is abnormal data or not, if so, establishing a circuit parameter report;
providing a circuit parameter report to a receiving module;
acquiring response data corresponding to the fault diagnosis request sent by the electronic control unit while receiving the response data, and analyzing to obtain a fault code corresponding to the response data;
judging whether the fault code is consistent with the fault code and the fault state of the circuit parameter report, if so, proving that the fault diagnosis request passes the corresponding fault test, and generating a fault diagnosis result;
the fault diagnosis result is displayed on a display unit of the controller.
Compared with the prior art, the invention has the advantages that:
the control system of the controller provided by the invention can carry out fault diagnosis, realize an automatic fault test process, finally generate a fault diagnosis result, and directly display the diagnosis result on the display screen, thereby improving the efficiency of fault test.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a system block diagram of a controller with multiple fault diagnosis and display functions in accordance with the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention will be more clearly and clearly defined.
Referring to fig. 1, the present invention provides a controller with multiple fault diagnosis and display functions, including a control system and a control method of the controller, wherein the control system includes:
the data sending module 1 is used for sending a fault diagnosis request to the tested electronic unit;
the judging module 2 is used for establishing a circuit parameter report according to whether the response data is abnormal data or not when receiving the response data corresponding to the fault diagnosis request returned by the tested electronic unit, and if so, establishing a circuit parameter report;
the parameter control module 3 is used for providing a circuit parameter report to the receiving module, and the circuit parameters comprise: the device comprises analog circuit component parameters, input parameters of a real analog circuit and a fault injection module, wherein the fault injection module is used for inputting fault diagnosis request parameters and storing fault injection;
the receiving module 4 is used for generating response data according to the circuit parameters and the report;
the acquisition module 5 is used for acquiring response data while receiving the response data corresponding to the fault diagnosis request sent by the electronic control unit, and analyzing and acquiring a fault code corresponding to the response data;
the generating module 6 is used for judging whether the fault code is consistent with the fault code and the fault state preset in the fault injection table, if so, the fault diagnosis request is proved to pass the corresponding fault test, and a fault diagnosis result is generated;
a display unit 7, configured to display a failure result on the display unit according to the data of the generating module 6, where the failure result includes: circuit data, fault diagnosis results and matching rules, and the display unit 7 is a display screen installed in a controller or a designated location.
In this embodiment, the determining module further includes a setting module and a comparing module, the setting module is configured to set a threshold value of the frequency of receiving the response data, the code storage module is configured to store the fault code, and different frequencies of the response data correspond to different fault codes;
and the comparison module is used for determining the frequency of the response data received by the electronic unit, comparing the frequency with the threshold value of the frequency of the set received response data, extracting the frequency data and the corresponding fault code when the frequency is determined to be less than the threshold value of the frequency of the set received response data, and sending the fault code through the acquisition module.
In this embodiment, the system further includes a setting module, and the setting module includes:
the acquisition unit is used for acquiring a circuit parameter report; and the setting unit is used for setting the injection type of the circuit parameter report and setting the environment variable related to the type of the circuit parameter report.
In this embodiment, the system further includes:
the first storage module is used for creating a storage model and storing the fault diagnosis request according to a storage format preset in the storage model; the second storage module is used for storing the response data corresponding to the fault diagnosis request according to a storage format preset in the storage model:
and the clearing module is used for clearing the fault code after the fault test is finished, so that the fault code is prevented from influencing the detection of the next fault.
The control method comprises the following steps:
sending a fault diagnosis request to the tested electronic unit; when response data corresponding to the fault diagnosis request returned by the tested electronic unit is received, establishing a circuit parameter report according to whether the response data is abnormal data or not, if so, establishing a circuit parameter report; providing a circuit parameter report to a receiving module; acquiring response data while receiving the response data corresponding to the fault diagnosis request sent by the electronic control unit, and analyzing to obtain a fault code corresponding to the response data; judging whether the fault code is consistent with the fault code and the fault state of the circuit parameter report, if so, proving that the fault diagnosis request passes the corresponding fault test, and generating a fault diagnosis result; the fault diagnosis result is displayed on a display unit of the controller.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, various changes or modifications may be made by the patentees within the scope of the appended claims, and within the scope of the invention, as long as they do not exceed the scope of the invention described in the claims.
Claims (5)
1. A controller with multiple fault diagnosis and display functions comprises a control system and a control method of the controller, and is characterized in that the control system comprises:
the data sending module is used for sending a fault diagnosis request to the tested electronic unit;
the judging module is used for being connected with the tested electronic unit, and when response data corresponding to the fault diagnosis request is received, a circuit parameter report is created according to whether the response data is abnormal data or not, and if the response data is abnormal data;
the parameter control module is used for providing a circuit parameter report to the receiving module, and the circuit parameters comprise: the device comprises analog circuit component parameters, input parameters of a real analog circuit and a fault injection module, wherein the fault injection module is used for inputting fault diagnosis request parameters and storing a fault injection table;
the receiving module is used for generating the response data according to the circuit parameters and the report;
the acquisition module is used for acquiring the response data corresponding to the fault diagnosis request sent by the electronic unit while receiving the response data, and analyzing to obtain a fault code corresponding to the response data;
the generating module is used for judging whether the fault code is consistent with the fault code and the fault state preset in the fault injection table, if so, the fault diagnosis request is proved to pass the corresponding fault test, and a fault diagnosis result is generated;
the display unit is used for displaying the fault result of the data of the generation module on the display unit, and the fault result comprises: circuit data, fault diagnosis results and matching rules.
2. The control system of claim 1, wherein: the judging module also comprises a setting module and a comparison module, wherein the setting module is used for setting a threshold value of the frequency of the received response data, and the code storage module is used for storing fault codes, and different response data frequencies correspond to different fault codes;
and the comparison module is used for determining the frequency of the response data received by the electronic unit, comparing the frequency with the threshold value of the set frequency of the received response data, extracting the frequency data and the corresponding fault code when the frequency is determined to be less than the threshold value of the set frequency of the received response data, and sending the fault code through the acquisition module.
3. The control system of claim 1, further comprising a setup module, the setup module comprising:
the acquisition unit is used for acquiring a circuit parameter report;
and the setting unit is used for setting the injection type of the circuit parameter report and setting the environment variable related to the type of the circuit parameter report.
4. The control system of claim 1, further comprising:
the first storage module is used for creating a storage model and storing the fault diagnosis request according to a storage format preset in the storage model;
a second storage module, configured to store response data corresponding to the fault diagnosis request according to a storage format preset in the storage model:
and the clearing module is used for clearing the fault code after the fault test is finished.
5. The control method according to claim 1, characterized by comprising the steps of:
sending a fault diagnosis request to the tested electronic unit;
when response data corresponding to the fault diagnosis request returned by the tested electronic unit is received, establishing a circuit parameter report according to whether the response data is abnormal data or not, if so, establishing a circuit parameter report;
providing a circuit parameter report to a receiving module;
acquiring response data corresponding to the fault diagnosis request sent by the electronic control unit while receiving the response data, and analyzing to obtain a fault code corresponding to the response data;
judging whether the fault code is consistent with the fault code and the fault state of the circuit parameter report, if so, proving that the fault diagnosis request passes the corresponding fault test, and generating a fault diagnosis result;
the fault diagnosis result is displayed on a display unit of the controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911387949.0A CN112180764A (en) | 2019-12-30 | 2019-12-30 | Controller with multiple fault diagnosis and display functions |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911387949.0A CN112180764A (en) | 2019-12-30 | 2019-12-30 | Controller with multiple fault diagnosis and display functions |
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| CN112180764A true CN112180764A (en) | 2021-01-05 |
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| CN201911387949.0A Withdrawn CN112180764A (en) | 2019-12-30 | 2019-12-30 | Controller with multiple fault diagnosis and display functions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113434504A (en) * | 2021-06-28 | 2021-09-24 | 青岛海尔科技有限公司 | Method and device for storing death medical certificate list, storage medium and electronic device |
| CN114018323A (en) * | 2021-10-31 | 2022-02-08 | 东风商用车有限公司 | Multi-gas-cylinder liquid level and pressure display control strategy, system, storage medium and vehicle |
| CN115201596A (en) * | 2022-06-24 | 2022-10-18 | 盐城市质量技术监督综合检验检测中心(盐城市产品质量监督检验所) | Electric product detection device and control method |
-
2019
- 2019-12-30 CN CN201911387949.0A patent/CN112180764A/en not_active Withdrawn
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113434504A (en) * | 2021-06-28 | 2021-09-24 | 青岛海尔科技有限公司 | Method and device for storing death medical certificate list, storage medium and electronic device |
| CN113434504B (en) * | 2021-06-28 | 2023-10-24 | 青岛海尔科技有限公司 | Method and device for storing death medical evidence table, storage medium and electronic device |
| CN114018323A (en) * | 2021-10-31 | 2022-02-08 | 东风商用车有限公司 | Multi-gas-cylinder liquid level and pressure display control strategy, system, storage medium and vehicle |
| CN114018323B (en) * | 2021-10-31 | 2024-05-03 | 东风商用车有限公司 | Multi-cylinder liquid level and pressure display control strategy, system, storage medium and vehicle |
| CN115201596A (en) * | 2022-06-24 | 2022-10-18 | 盐城市质量技术监督综合检验检测中心(盐城市产品质量监督检验所) | Electric product detection device and control method |
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