CN106453480A - Module level function test and fault diagnosis method for vehicle information system - Google Patents
Module level function test and fault diagnosis method for vehicle information system Download PDFInfo
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- CN106453480A CN106453480A CN201610629517.6A CN201610629517A CN106453480A CN 106453480 A CN106453480 A CN 106453480A CN 201610629517 A CN201610629517 A CN 201610629517A CN 106453480 A CN106453480 A CN 106453480A
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- information system
- vehicle information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0631—Management of faults, events, alarms or notifications using root cause analysis; using analysis of correlation between notifications, alarms or events based on decision criteria, e.g. hierarchy, tree or time analysis
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/06—Management of faults, events, alarms or notifications
- H04L41/0677—Localisation of faults
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L43/00—Arrangements for monitoring or testing data switching networks
- H04L43/08—Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Testing And Monitoring For Control Systems (AREA)
Abstract
The invention provides a module level function test and fault diagnosis method for a vehicle information system. The method comprises the steps of: presetting test information and abnormal information in the vehicle information system; generating a test instruction by the vehicle information system; performing detection or data acquisition on a corresponding sub-module by the vehicle information system according to the test instruction; and judging whether the sub-module runs normally by the vehicle information system. The vehicle information system performs automatic detection or data acquisition on each function in each sub-module, analyzes abnormal information and forwards the abnormal information to an external terminal, so that the test process is accurate and quick, wastes of manpower and time are avoided, the production efficiency is improved, and fault sources of sub-modules are provided for backend client support.
Description
Technical field
The present invention relates to automatic test and fault diagnosis field, more particularly, to a kind of inter-vehicle information system module level function
Test and method for diagnosing faults.
Background technology
Inter-vehicle information system comprises multiple subsystem module such as radio reception, EQ, bluetooth, media play and navigation at present, for
The test of these submodules mainly includes parameter testing and Basic function testing.The parameter testing of inter-vehicle information system is primarily referred to as
The test of the parameter index (such as signal to noise ratio) of each submodule, due to its complexity, at present based on manual testing；On-vehicle information
Basic function (such as Bluetooth pairing) test of system, then be whether the basic function testing each submodule can normally be run, mesh
Front also based on manual testing.Aborning the basic function of these submodules to be carried out test to spend larger manpower and
Time, reduce production efficiency, and the result of manual test is inaccurate.So, when producing in enormous quantities, it is necessary for introducing certainly
Dynamicization test and fault detect, realizing on-line automaticization testing process enables the basic function of each submodule to obtain effectively
Test and reduce time and the manpower of test, improve production efficiency；And enable the fault detect of client, quick position therefore
Barrier, improves the efficiency of solve problem.
Content of the invention
The technical problem to be solved is, provides a kind of inter-vehicle information system module level functional test and fault
Diagnostic method, can carry out automatic test to each submodule of inter-vehicle information system.
Inter-vehicle information system module level functional test and fault diagnosis
In order to solve above-mentioned technical problem, the invention provides a kind of inter-vehicle information system module level functional test and fault
Diagnostic method, specifically includes：
Test information and abnormal information is pre-set in inter-vehicle information system；
Inter-vehicle information system produces test instruction；
Described inter-vehicle information system is detected or data acquisition to corresponding submodule according to described test instruction；
Described inter-vehicle information system judges whether described submodule normally runs.
Specifically, described inter-vehicle information system is detected to corresponding submodule according to test instruction or data acquisition
Step includes：
Described inter-vehicle information system extracts default test information according to described test instruction；
Described inter-vehicle information system submodule according to described test information-driven；
Described submodule responds described test information.
Specifically, carried out data transmission by UART between described inter-vehicle information system and submodule.
Specifically, described inter-vehicle information system judge described submodule whether normally run including step：
When being judged as YES, submodule generates status information, and when being judged as NO, submodule generates abnormal information, and will be described
Status information or abnormal information are shown.
Further, described inter-vehicle information system also includes after judging the step whether described submodule normally runs：
The abnormal information that submodule sends is forwarded to exterior terminal by inter-vehicle information system.
Specifically, exterior terminal includes PC, mobile terminal, failed server etc..
Specifically, described inter-vehicle information system and exterior terminal are set up by UART and/or controller local area network's mode
Connect.
Further, described inter-vehicle information system by the abnormal information that submodule sends be forwarded to exterior terminal step it
Also include afterwards：Described exterior terminal is analyzed to abnormal information, carries out according to the described abnormal information frequency or exception level
The alarm of different stage.
Specifically, described alert levels and the described abnormal information frequency or exception level are realized by following relational expression：
L=L0*e(n+k-2)
Wherein, n represents the abnormal information frequency, n >=1；K represents exception level, k >=1；L0Represent n=1, report during k=1
Alert grade.
The beneficial effects of the present invention is：By pre-setting test information and abnormal information in inter-vehicle information system,
Inter-vehicle information system can extract corresponding test information according to test instruction, directly each function in each submodule is carried out respectively
Aulomatizeted Detect or data acquisition, and analyze abnormal information, without external test arrangements (as controlled PC), make vehicle-mounted letter
Breath system can accurately and rapidly complete the automated function test of each submodule in production procedure, it is to avoid manpower, time
Waste, improve production efficiency.Meanwhile, abnormal information is forwarded to exterior terminal by inter-vehicle information system, is that the client of rear end props up
Hold the source of failure providing submodule, improve the efficiency of customer support.
Specific embodiment
Lower mask body illustrates embodiments of the present invention.
Embodiments of the invention provide a kind of inter-vehicle information system module level functional test and method for diagnosing faults, including：
S101. test information and abnormal information are pre-set in inter-vehicle information system.
In the specific implementation, be preset with abnormal information in inter-vehicle information system, can according to practical application to Exception Type and
Abnormal information is configured.
For example, abnormal information " REQ_ERR_DIAL " expression " phone cannot be transferred to "；Abnormal information " REQ_ERR_
LOADCORE " represents " bluetooth middleware loads unsuccessfully "；Abnormal information " REQ_ERR_DOWNLOAD_PHONEBOOK " expression " under
Carry phone directory error ".
S102. inter-vehicle information system produces test instruction.
In the specific implementation, described test instruction can be configured according to the submodule that inter-vehicle information system possesses.Example
As, if inter-vehicle information system only has radio reception, bluetooth submodule, test instruction only comprises radio reception, bluetooth submodule；If
When inter-vehicle information system includes radio reception, bluetooth, media play submodule, then test instruction comprises radio reception, bluetooth, media play
Module, and so on.For the concrete test event of each submodule, can be write according to the actual requirements.For example, for
Bluetooth module, can include the projects such as electrical testing in bluetooth, Bluetooth pairing test, phone directory download, telephone call.
S103. described inter-vehicle information system is detected to corresponding submodule according to described test instruction or data is adopted
Collection.
Specifically, described submodule includes radio module, bluetooth module, media player module, navigation module.
Specifically, described step S103 includes：
S1031. described inter-vehicle information system extracts default test information according to described test instruction.
In the specific implementation, import test information in inter-vehicle information system in advance, described test information includes testing code,
Make inter-vehicle information system can complete automatic test.
Correspondingly, the difference in functionality in the different corresponding submodules of test instruction, meanwhile, different test instructions also corresponds to
Different test information.By the extractable specific test information of specific test instruction, realize to specific in specific submodule
Function tested or data acquisition.
S1032. described inter-vehicle information system submodule according to described test information-driven.
For example, when inter-vehicle information system receives the test instruction of " electricity in bluetooth ", then need to extract electricity in relevant bluetooth
Test information, and pass through the extracted upper Electricity Functional of test information-driven bluetooth submodule operation, to realize Electricity Functional in bluetooth
Detection.
S1033. described submodule responds described test information.
Specifically, carried out data transmission by UART between described inter-vehicle information system and submodule.
S104. described inter-vehicle information system judges whether described submodule normally runs, and when being judged as YES, submodule generates
Status information, when being judged as NO, submodule generates abnormal information, and described status information or abnormal information are shown,
And/or carry out voice message.
In the specific implementation, inter-vehicle information system is detected to described submodule or during data acquisition, can be according to detection
Or whether the judging submodule such as produced intermediate data, final data is normally run in gatherer process.
For example, to when in bluetooth submodule, " download phone directory " function detects：
Return value according to generated in detection process is judged, if judge that return value is normal, bluetooth submodule
Block returns current status information (normal)；If judge that return value is abnormal, bluetooth submodule returns abnormality code " REQ_
ERR_DOWNLOAD_PHONEBOOK”.
For example, to when in bluetooth submodule, " bluetooth middleware loading " function detects：
Inter-vehicle information system produces " bluetooth middleware loading " test instruction；
Inter-vehicle information system extracts the test information related to " bluetooth middleware loading " test instruction；
Described inter-vehicle information system according to extracted test information-driven bluetooth submodule；
The described test information of bluetooth submodule response loads middleware BTCORE, and the return value by CreateProcess
Send to test judge module；
By the return value of CreateProcess, test judge module judges whether loading middleware BTCORE is successful.
From the foregoing, it will be observed that inter-vehicle information system directly can be carried out to each function in each submodule certainly respectively according to test instruction
Dynamicization detection or data acquisition, without external test arrangements (as controlled PC), make inter-vehicle information system in production procedure
The functional test of each submodule can accurately and rapidly be completed, it is to avoid manpower, waste of time, improve production efficiency.
In another embodiment of the present invention, also include after described step S104：
S105. abnormal information is forwarded to exterior terminal by inter-vehicle information system.
Specifically, exterior terminal includes PC, mobile terminal, failed server etc..
Specifically, described inter-vehicle information system and exterior terminal are set up by UART and/or controller local area network's mode
Connect.
In the specific implementation, described inter-vehicle information system comprises following message when uploading abnormal information：Produce abnormal
The UUID of inter-vehicle information system or built-in bar code, Exception Type, exception level.
UUID (Universally Unique Identifier, general unique identifier) refers to raw on a machine
The numeral becoming, it is ensured that being all unique to aerial all machines when same, if there are network interface card, typically from network interface card MAC
Address obtains, and does not have network interface card then otherwise to obtain.By producing the UUID of abnormal inter-vehicle information system or built-in bar
Code, can review to abnormal information source, convenient positioning.
In another embodiment of the present invention, also include after described step S105：
S106. described exterior terminal is analyzed to abnormal information, according to the described abnormal information frequency or exception level
Carry out the alarm of different stage.
Specifically, described alert levels and the described abnormal information frequency or exception level are realized by following relational expression：
L=L0*e(n+k-2)
Wherein, n represents the abnormal information frequency, n >=1；K represents exception level, k >=1；L0Represent n=1, report during k=1
Alert grade.
The above disclosed presently preferred embodiments of the present invention that is only is it is impossible to limit the rights protection model of the present invention with this
Enclose, the equivalent variations therefore made according to scope of the present invention patent, still belong to the scope that the present invention is covered.
Claims (8)
1. a kind of inter-vehicle information system module level functional test and method for diagnosing faults are it is characterised in that include：
Test information and abnormal information is pre-set in inter-vehicle information system；
Inter-vehicle information system produces test instruction；
Inter-vehicle information system is detected or data acquisition to corresponding submodule according to described test instruction；
Inter-vehicle information system judges whether described submodule normally runs.
2. inter-vehicle information system module level functional test as claimed in claim 1 and method for diagnosing faults are it is characterised in that car
Carry information system and judge that the whether normal operating procedure of described submodule includes：When being judged as YES, submodule generates status information, sentences
Break for no when, submodule generates abnormal information, and described status information or abnormal information is shown, and/or carries out language
Sound is pointed out.
3. inter-vehicle information system module level functional test as claimed in claim 1 and method for diagnosing faults are it is characterised in that car
Carry and carried out data transmission by UART between information system and submodule.
4. inter-vehicle information system module level functional test as claimed in claim 1 and method for diagnosing faults are it is characterised in that institute
Instruction is detected to corresponding submodule or the step of data acquisition includes according to testing to state inter-vehicle information system：
Described inter-vehicle information system extracts default test information according to described test instruction；
Described inter-vehicle information system submodule according to described test information-driven；
Described submodule responds described test information.
5. inter-vehicle information system module level functional test as claimed in claim 1 and method for diagnosing faults it is characterised in that
Described inter-vehicle information system also includes after judging the step whether described submodule normally runs：Inter-vehicle information system will be abnormal
Information is forwarded to exterior terminal.
6. inter-vehicle information system module level functional test as claimed in claim 5 and method for diagnosing faults are it is characterised in that institute
State inter-vehicle information system to set up and be connected by UART and/or controller local area network's mode with exterior terminal.
7. inter-vehicle information system module level functional test as claimed in claim 5 and method for diagnosing faults are it is characterised in that institute
Also include after stating the step that abnormal information is forwarded to exterior terminal by inter-vehicle information system：
Described exterior terminal is analyzed to abnormal information, carries out not at the same level according to the described abnormal information frequency or exception level
Other alarm.
8. inter-vehicle information system module level functional test as claimed in claim 7 and method for diagnosing faults are it is characterised in that institute
State alert levels to realize by following relational expression with the described abnormal information frequency or exception level：
L=L0*e(n+k-2)
Wherein, n represents the abnormal information frequency, n >=1；K represents exception level, k >=1；L0Represent n=1, warning during k=1 etc.
Level.
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| CN201610629517.6A CN106453480A (en) | 2016-08-01 | 2016-08-01 | Module level function test and fault diagnosis method for vehicle information system |
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Cited By (1)
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| CN112015144A (en) * | 2019-05-28 | 2020-12-01 | 中车唐山机车车辆有限公司 | Vehicle-mounted passenger information system testing device and testing method |
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