CN105302113A - Configurable and extensible automobile diagnosis system and diagnosis method - Google Patents
Configurable and extensible automobile diagnosis system and diagnosis method Download PDFInfo
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- CN105302113A CN105302113A CN201510715837.9A CN201510715837A CN105302113A CN 105302113 A CN105302113 A CN 105302113A CN 201510715837 A CN201510715837 A CN 201510715837A CN 105302113 A CN105302113 A CN 105302113A
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- 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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Abstract
The invention discloses a configurable and extensible automobile diagnosis system and a diagnosis method. The invention provides an ECU diagnosis instrument development and diagnosis platform separation technology. According to the development technology, software engineers develop a piece of common platform software, a common communication protocol module, a common diagnosis protocol module and a common diagnosis instrument configuration tool, and develop an ECU-dedicated test service function module, an ECU-dedicated data service function module and an ECU-dedicated expert service function module in order to be compatible with the characteristics of ECUs of different models; automobile engineers use the common diagnosis instrument configuration tool to configure an ECU diagnosis instrument, wherein the configuration content includes configuring a communication module and parameters, configuring a diagnosis module and parameters, configuring diagnosis data and configuring an ECU-dedicated function module; and an ECU diagnosis data packet is formed and released to a common diagnosis platform.
Description
Technical field
The present invention relates to automobile diagnosis technique field, particularly relate to a kind of configurableization and extendible automotive diagnostic system and diagnostic method.
Background technology
At present, existing Auto analyzer software development flow is, automobile engineer works out the diagnosis document of ECU (ElectronicControlUnit) electronic control unit, software engineer reads this document and confirms its diagnosis attribute, automobile engineer and software engineer develop communication protocol module and diagnosing protocol module cooperatively, typing also resolves display ECU diagnostic data, comprise ECU identification data, failure-description data, measuring-signal data, and development function test routine (Routine).
Problems of the prior art are, software engineer has skilled programming skill but lacks the technical background in vehicle diagnosis field, and automobile engineer has abundant vehicle diagnosis experience but computer programming technical ability is comparatively weak.Cause in Auto analyzer performance history like this, automobile engineer knows how to carry out vehicle diagnosis, but do not know how programming realization, software engineer knows how to programme, but does not know how to carry out vehicle diagnosis, there is professional communication disorders between automobile engineer and software engineer, cause in diagnostic equipment software development process and constantly revise adjustment, diagnostic equipment software quality is difficult to control, and development efficiency is low, and the construction cycle is very long.
In prior art, simultaneous problem is, the ECU of different model has highly similar diagnosis attribute, but software engineer needs independently to develop for the ECU of each style number, so just cause the communication protocol module of software engineer's overlapping development diagnostic software, diagnosing protocol module, software interface, simultaneously because diagnostic data is by software engineer's typing, cause in software development process and follow-up ECU diagnostic function upgrades and needs the common participation of automobile engineer and software engineer all the time, and then cause software development difficulty large, ECU diagnose attribute occur change or when needing newly-increased ECU to diagnose, diagnostic software updating maintenance complexity is high, waste of human resource is very large.
Summary of the invention
In order to overcome the defect of above-mentioned background technology, the invention provides a kind of configurableization and extendible automotive diagnostic system and diagnostic method.
In order to solve the problems of the technologies described above of the present invention adopted technical scheme be:
A kind of configurableization and extendible automotive diagnostic system, comprise: communication protocol programming module, for communication facilities unlatching, transmit and receive data, communication facilities close interface parameters and programming call, make the ECU of different model have general communication function; Diagnosing protocol programming module, for diagnosing protocol initialization, reads ECU identification data, read failure data, remove fault data, read measuring-signal data, interface parameters and the programming of exiting diagnosing protocol are called, and make the ECU of different model have general diagnostic function; Special function programming module, the programming started for special function is called and return parameters content, makes the special test service of different model ECU, data, services, expert service function have general Starting mode.
In technique scheme, diagnosing protocol programming module comprises: diagnostic data file unit, for describing the analysis mode of ECU identification data, and the analysis mode of fault data, the analysis mode of measuring-signal, makes the ECU of different model have general diagnostic data and describes; Diagnosis report file unit, for describing the diagnosis of ECU, makes the ECU of different model have general diagnosis report content; Diagnosis engineering file unit, for describing the organising content of ECU diagnostic data bag.
In technique scheme, the organising content of described ECU diagnostic data bag comprises: the communication protocol module file used, diagnosing protocol module file, diagnostic data file, ECU or vehicle photo files, breakdown maintenance offer document and accommodation function module file, makes the ECU of different model have abstract consistent Engineering describing.
In technique scheme, also comprise diagnostic equipment engineering configuration module, for creating ECU diagnosis engineering, configuration ECU identification information, reading ECU failure message mode, removing failure message mode, measuring-signal data, communication protocol module, diagnosing protocol module, ECU special test service module function, ECU exclusive data service module function and the special expert service functional module of ECU.
In technique scheme, also comprise the diagnostic equipment software interface of standard, realize diagnostic equipment user and check that ECU identifies, check failure message, remove failure message, check measurement data, the test of operation function difference, produces the function of diagnosis report.
The present invention also provides a kind of configurableization and extendible vehicle diagnosis method, comprising: step 1, sets up and defines the diagnosis engineering file layout of standard; Step 2, loads communication protocol module file, diagnosing protocol module file, ECU diagnostic data file and extended function module file; Step 3, the standard universal DLL (dynamic link library) of calling communication protocol module carries out communication initialization, and the standard universal DLL (dynamic link library) calling diagnosing protocol module carries out diagnosing protocol initialization, display translation ECU photo in kind and diagnostic function option; Step 4, the standard universal DLL (dynamic link library) calling diagnosing protocol module reads ECU identification information, and the standard universal DLL (dynamic link library) calling diagnosing protocol module completes the mutual of communication data; Step 5, the standard universal DLL (dynamic link library) calling diagnosing protocol module reads ECU failure message, and the standard universal DLL (dynamic link library) calling diagnosing protocol module completes the mutual of communication data, and resolve fault information, formation phenomenon of the failure describe; Step 6, the standard programming interface calling diagnosing protocol module removes ECU failure message, and diagnosing protocol module is called standard universal DLL (dynamic link library) and completed the mutual of communication data; Step 7, the standard programming interface calling diagnosing protocol module reads ECU measurement data, and diagnosing protocol module is called standard universal DLL (dynamic link library) and completed the mutual of communication data; Step 8, the standard universal DLL (dynamic link library) of invoke extensions functional module starts expanded function, and independent operating after expanded function starts, comprises testing service, data, services, expert service.
In technique scheme, in described step 1, diagnosis engineering file layout comprises the ECU photo files in kind associated by diagnosis engineering, communication protocol module file, diagnosing protocol module file, diagnostic data file; In described step 3, diagnostic function option comprises reading identification information, read failure information, removes failure message, measures testing service, data, services and expert service; Described step 5 phenomenon of the failure describes the content comprising Vehicular data recording when fault produces, breakdown maintenance description.
In technique scheme, in described step 5, before calling the standard universal DLL (dynamic link library) reading ECU failure message of diagnosing protocol module, vehicle diagnosis expert uses diagnosis engineering configuration tool to develop ECU diagnosis engineering further, and is distributed to diagnostic equipment.
In technique scheme, the step that configurableization and extendible automotive diagnostic system are developed also was comprised: analyze ECU diagnostic requirements before described step 1, confirm communication protocol type and the correlation parameter of ECU, confirm diagnosing protocol type and the correlation parameter of ECU, confirm ECU diagnostic data, confirm ECU expanded function, obtain ECU photo in kind, use configuration tool to create diagnosis engineering, form diagnosis engineering constituent act; Develop the communication protocol module of ECU, diagnosing protocol module and extended function module, and use configuration tool to be added into diagnosis engineering; Use diagnosis engineering configuration tool typing ECU identification information, ECU failure message and ECU measurement data to diagnosis engineering, be stored in diagnostic data file; Use diagnosis engineering configuration tool to preserve Current Diagnostic engineering, issue diagnosis engineering ECU diagnostic data bag collection.
In technique scheme, also comprise: step 9 after described step 8, diagnostic equipment user uses diagnostic equipment to connect vehicle and diagnoses, and completes diagnostic test.
Beneficial effect of the present invention is: the invention provides the technology that the exploitation of ECU diagnostic equipment is separated with diagnostic platform.In this development technique, software engineer develops general-purpose platform software, exploitation common communication protocol module, exploitation universal diagnostic protocol module, the configuration tool of exploitation universal diagnostic instrument, in order to the characteristic of compatible different model ECU, exploitation ECU special test service module function, exploitation ECU exclusive data service module function, the special expert service functional module of exploitation ECU; Automobile engineer uses the configuration tool of universal diagnostic instrument to configure ECU diagnostic equipment, deploy content comprises: configuration communication module and parameter, configuration diagnostics module and parameter, configuration diagnostics data, configuration ECU accommodation function module, forms ECU diagnostic data bag and is distributed to universal diagnostic platform.
Based on this development technique, under unified software platform, general communication protocol module, general diagnosing protocol module, general diagnostic equipment interface can be reused, considerably reduce the overlapping development work of software engineer; Under the help of diagnostic equipment configuration tool, automobile engineer just can develop diagnostic equipment independently without the need to possessing programming skill.Due to the method adopting ECU diagnostic equipment to be separated with diagnostic platform, automobile engineer only need be absorbed in vehicle diagnosis, software engineer only need be absorbed in software development, after Development of Software Platform completes, software engineer is without the need to participating in the performance history of diagnostic equipment, and so greatly abbreviation diagnostic equipment development, ensure that diagnostic equipment software quality, improve development efficiency, save human resources.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention's configurableization and extendible automotive diagnostic system;
Fig. 2 is the schematic flow sheet of the present invention's configurableization and extendible vehicle diagnosis method;
Fig. 3 is the schematic flow sheet to the step that configurableization and extendible automotive diagnostic system are developed in the present invention;
Fig. 4 is the schematic diagram using the automobile engineer of the present invention's configurableization and extendible vehicle diagnosis method, software engineer and diagnostic equipment user mutual relationship;
Fig. 5 is that interface selected by diagnostic software of the present invention bag;
Fig. 6 is that diagnostic function of the present invention selects interface.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described further.
See Fig. 1, the present invention's configurableization and extendible automotive diagnostic system, comprising:
Communication protocol programming module, for communication facilities unlatching, transmit and receive data, communication facilities close interface parameters and programming call, make the ECU of different model have general communication function;
Diagnosing protocol programming module, for diagnosing protocol initialization, reads ECU identification data, read failure data, remove fault data, read measuring-signal data, interface parameters and the programming of exiting diagnosing protocol are called, and make the ECU of different model have general diagnostic function;
Special function programming module, the programming started for special function is called and return parameters content, makes the special test service of different model ECU, data, services, expert service function have general Starting mode;
See Fig. 5, diagnostic equipment engineering configuration module, for creating ECU diagnosis engineering, configuration ECU identification information, reading ECU failure message mode, removing failure message mode, measuring-signal data, communication protocol module, diagnosing protocol module, ECU special test service module function, ECU exclusive data service module function and the special expert service functional module of ECU;
See Fig. 6, the diagnostic equipment software interface of standard, realizes diagnostic equipment user and checks that ECU identifies, check failure message, removes failure message, checks measurement data, and the test of operation function difference, produces the function of diagnosis report.
Wherein, diagnosing protocol programming module comprises:
Diagnostic data file unit, for describing the analysis mode of ECU identification data, the analysis mode of fault data, the analysis mode of measuring-signal, makes the ECU of different model have general diagnostic data and describes;
Diagnosis report file unit, for describing the diagnosis of ECU, makes the ECU of different model have general diagnosis report content;
Diagnosis engineering file unit, for describing the organising content of ECU diagnostic data bag, in the present embodiment, the organising content of described ECU diagnostic data bag comprises: the communication protocol module file used, diagnosing protocol module file, diagnostic data file, ECU or vehicle photo files, breakdown maintenance offer document and accommodation function module file, makes the ECU of different model have abstract consistent Engineering describing.
See Fig. 2 and Fig. 4, the present invention also comprises configurableization and extendible vehicle diagnosis method, it is characterized in that: comprising:
Step 1, sets up and defines the diagnosis engineering file layout of standard, and described diagnosis engineering file layout comprises the ECU photo files in kind associated by diagnosis engineering, communication protocol module file, diagnosing protocol module file, diagnostic data file, and load project file at platform software and produce preview;
Step 2, loads communication protocol module file, diagnosing protocol module file, ECU diagnostic data file and extended function module file, completes the real-time assembling of the functional module of the diagnostic equipment of this model ECU at platform software according to diagnosis engineering file;
Step 3, the standard universal DLL (dynamic link library) of calling communication protocol module carries out communication initialization, the standard universal DLL (dynamic link library) calling diagnosing protocol module carries out diagnosing protocol initialization, display translation ECU photo in kind and diagnostic function option, described diagnostic function option comprises reading identification information, read failure information, removes failure message, measures testing service, data, services and expert service;
Step 4, the standard universal DLL (dynamic link library) calling diagnosing protocol module reads ECU identification information, and the standard universal DLL (dynamic link library) calling diagnosing protocol module completes the mutual of communication data, and ECU identification data is presented at software interface in the form of a list;
Step 5, vehicle diagnosis expert uses diagnosis engineering configuration tool to develop ECU diagnosis engineering further, and be distributed to diagnostic equipment, the standard universal DLL (dynamic link library) calling diagnosing protocol module reads ECU failure message, the standard universal DLL (dynamic link library) calling diagnosing protocol module completes the mutual of communication data, resolve fault information, formation phenomenon of the failure describes, described phenomenon of the failure describes and comprises Vehicular data recording when fault produces, the content that breakdown maintenance describes, the content that breakdown maintenance describes is shown at software interface, described diagnostic equipment is by diagnostic platform hardware, diagnostic platform software and ECU diagnosis engineering composition,
Step 6, the standard programming interface calling diagnosing protocol module removes ECU failure message, and diagnosing protocol module is called standard universal DLL (dynamic link library) and completed the mutual of communication data, and the execution result removing ECU failure message is shown at platform software interface;
Step 7, the standard programming interface calling diagnosing protocol module reads ECU measurement data, and diagnosing protocol module is called standard universal DLL (dynamic link library) and completed the mutual of communication data, and the measurement data read can record, is shown at interface;
Step 8, the standard universal DLL (dynamic link library) of invoke extensions functional module starts expanded function, and independent operating after expanded function starts, comprises testing service, data, services, expert service;
Step 9, diagnostic equipment user uses diagnostic equipment to connect vehicle and diagnoses, and completes diagnostic test.
See Fig. 3, before described step 1, also comprise the step that configurableization and extendible automotive diagnostic system are developed:
Analyze ECU diagnostic requirements, confirm communication protocol type and the correlation parameter of ECU, confirm diagnosing protocol type and the correlation parameter of ECU, confirm ECU diagnostic data, confirm ECU expanded function, obtain ECU photo in kind, use configuration tool to create diagnosis engineering, form diagnosis engineering constituent act;
Developing the communication protocol module of ECU, diagnosing protocol module and extended function module, if these three module files exist, then without the need to again developing, and using configuration tool to be added into diagnosis engineering;
Use diagnosis engineering configuration tool typing ECU identification information, ECU failure message and ECU measurement data to diagnosis engineering, be stored in diagnostic data file;
Use diagnosis engineering configuration tool to preserve Current Diagnostic engineering, issue diagnosis engineering ECU diagnostic data bag collection.
Set up and define the diagnostic equipment user operation flow process with standard, flow process comprises: select a ECU diagnostic data bag, read ECU mark, read failure information, removes failure message, checks measurement data, use testing service, usage data is served, and uses expert service, generates the function of diagnosis report.
Particularly, to set up and to define the software systems application flow of configurable and extendible automobile diagnostic software Platform Designing as follows:
Load all configuration ECU diagnosis engineering files, preview ECU diagnostic data bag, comprises preview ECU or vehicle photo;
Select ECU diagnostic data bag, load the project file of selected diagnostic data bag, ECU or vehicle photo, communication protocol module, diagnosing protocol module, diagnostic data file, failure-description file, breakdown maintenance offer document, testing service module, data service module, expert service module;
Original communication protocol, initialization diagnosing protocol, display current selected ECU or vehicle photo, display diagnostic function project;
Call the unified general diagnostic function interface of ECU by interface, read ECU identification information, software interface shows;
Call the unified general diagnostic function interface of ECU by interface, read ECU failure message, resolve fault information, relevant fault maintenance offer document, software interface shows;
Call the unified general diagnostic function interface of ECU by interface, read ECU measuring-signal data, software interface shows;
Call the unified general special function interface of ECU by interface, start ECU special test service function, ECU exclusive data is served, and the special expert service of ECU, software interface shows;
Call ECU by interface and unify general extension functional interface, start expanded function, software shows;
Especially, to set up and to define the software systems ECU diagnostic equipment development process of configurable and extendible automobile diagnostic software Platform Designing as follows:
Analysis and arrangement is carried out to ECU diagnostic requirements, uses configuration tool to create diagnosis engineering;
Communication protocol is developed and is used configuration tool to configure and adds, and as general in communication protocol and existence then directly configures and adds;
Diagnosing protocol is developed and is used configuration tool to configure and adds, and as general in diagnosing protocol and existence then directly configures and adds;
ECU special function is developed and is used configuration tool to configure and adds, and as general in ECU special function and existence then directly configures and adds;
ECU identification information uses configuration tool typing;
ECU failure message configuration tool typing, typing content comprises fault reading manner and fault clearance mode;
ECU measuring-signal configuration tool typing;
ECU preserves and uses configuration tool to issue ECU diagnostic data bag to software platform.
Should be understood that, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.
Claims (10)
1. configurableization and an extendible automotive diagnostic system, is characterized in that: comprising:
Communication protocol programming module, for communication facilities unlatching, transmit and receive data, communication facilities close interface parameters and programming call, make the ECU of different model have general communication function;
Diagnosing protocol programming module, for diagnosing protocol initialization, reads ECU identification data, read failure data, remove fault data, read measuring-signal data, interface parameters and the programming of exiting diagnosing protocol are called, and make the ECU of different model have general diagnostic function;
Special function programming module, the programming started for special function is called and return parameters content, makes the special test service of different model ECU, data, services, expert service function have general Starting mode.
2. one configurableization according to claim 1 and extendible automotive diagnostic system, is characterized in that: diagnosing protocol programming module comprises:
Diagnostic data file unit, for describing the analysis mode of ECU identification data, the analysis mode of fault data, the analysis mode of measuring-signal, makes the ECU of different model have general diagnostic data and describes;
Diagnosis report file unit, for describing the diagnosis of ECU, makes the ECU of different model have general diagnosis report content;
Diagnosis engineering file unit, for describing the organising content of ECU diagnostic data bag.
3. one configurableization according to claim 2 and extendible automotive diagnostic system, it is characterized in that: the organising content of described ECU diagnostic data bag comprises: the communication protocol module file used, diagnosing protocol module file, diagnostic data file, ECU or vehicle photo files, breakdown maintenance offer document and accommodation function module file, make the ECU of different model have abstract consistent Engineering describing.
4. one configurableization according to claim 1 and extendible automotive diagnostic system, it is characterized in that: also comprise diagnostic equipment engineering configuration module, for creating ECU diagnosis engineering, configuration ECU identification information, reading ECU failure message mode, removing failure message mode, measuring-signal data, communication protocol module, diagnosing protocol module, ECU special test service module function, ECU exclusive data service module function and the special expert service functional module of ECU.
5. one configurableization according to claim 1 and extendible automotive diagnostic system, it is characterized in that: the diagnostic equipment software interface also comprising standard, realize diagnostic equipment user and check that ECU identifies, check failure message, remove failure message, check measurement data, the test of operation function difference, produces the function of diagnosis report.
6. configurableization and an extendible vehicle diagnosis method, is characterized in that: comprising:
Step 1, sets up and defines the diagnosis engineering file layout of standard;
Step 2, loads communication protocol module file, diagnosing protocol module file, ECU diagnostic data file and extended function module file;
Step 3, the standard universal DLL (dynamic link library) of calling communication protocol module carries out communication initialization, and the standard universal DLL (dynamic link library) calling diagnosing protocol module carries out diagnosing protocol initialization, display translation ECU photo in kind and diagnostic function option;
Step 4, the standard universal DLL (dynamic link library) calling diagnosing protocol module reads ECU identification information, and the standard universal DLL (dynamic link library) calling diagnosing protocol module completes the mutual of communication data;
Step 5, the standard universal DLL (dynamic link library) calling diagnosing protocol module reads ECU failure message, and the standard universal DLL (dynamic link library) calling diagnosing protocol module completes the mutual of communication data, and resolve fault information, formation phenomenon of the failure describe;
Step 6, the standard programming interface calling diagnosing protocol module removes ECU failure message, and diagnosing protocol module is called standard universal DLL (dynamic link library) and completed the mutual of communication data;
Step 7, the standard programming interface calling diagnosing protocol module reads ECU measurement data, and diagnosing protocol module is called standard universal DLL (dynamic link library) and completed the mutual of communication data;
Step 8, the standard universal DLL (dynamic link library) of invoke extensions functional module starts expanded function, and independent operating after expanded function starts, comprises testing service, data, services, expert service.
7. one configurableization according to claim 6 and extendible vehicle diagnosis method, is characterized in that:
In described step 1, diagnosis engineering file layout comprises the ECU photo files in kind associated by diagnosis engineering, communication protocol module file, diagnosing protocol module file, diagnostic data file;
In described step 3, diagnostic function option comprises reading identification information, read failure information, removes failure message, measures testing service, data, services and expert service;
Described step 5 phenomenon of the failure describes the content comprising Vehicular data recording when fault produces, breakdown maintenance description.
8. one configurableization according to claim 6 and extendible vehicle diagnosis method, it is characterized in that: in described step 5, before calling the standard universal DLL (dynamic link library) reading ECU failure message of diagnosing protocol module, vehicle diagnosis expert uses diagnosis engineering configuration tool to develop ECU diagnosis engineering further, and is distributed to diagnostic equipment.
9. one configurableization according to claim 6 and extendible vehicle diagnosis method, is characterized in that: before described step 1, also comprise the step of developing configurableization and extendible automotive diagnostic system:
Analyze ECU diagnostic requirements, confirm communication protocol type and the correlation parameter of ECU, confirm diagnosing protocol type and the correlation parameter of ECU, confirm ECU diagnostic data, confirm ECU expanded function, obtain ECU photo in kind, use configuration tool to create diagnosis engineering, form diagnosis engineering constituent act;
Develop the communication protocol module of ECU, diagnosing protocol module and extended function module, and use configuration tool to be added into diagnosis engineering;
Use diagnosis engineering configuration tool typing ECU identification information, ECU failure message and ECU measurement data to diagnosis engineering, be stored in diagnostic data file;
Use diagnosis engineering configuration tool to preserve Current Diagnostic engineering, issue diagnosis engineering ECU diagnostic data bag collection.
10. one configurableization according to claim 6 or 7 and extendible vehicle diagnosis method, is characterized in that: also comprise after described step 8:
Step 9, diagnostic equipment user uses diagnostic equipment to connect vehicle and diagnoses, and completes diagnostic test.
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