CN109596927A - Test method and test macro for battery management system BMS - Google Patents
Test method and test macro for battery management system BMS Download PDFInfo
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- CN109596927A CN109596927A CN201811646938.5A CN201811646938A CN109596927A CN 109596927 A CN109596927 A CN 109596927A CN 201811646938 A CN201811646938 A CN 201811646938A CN 109596927 A CN109596927 A CN 109596927A
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- 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
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Abstract
The present invention relates to the field of test technology, a kind of test method and test macro for battery management system BMS is provided, the test method for battery management system BMS includes: the system requirements for obtaining and testing in relation to the battery management system BMS, and the system requirements include test parameter and test request；User instruction is obtained, and generates test case according to the user instruction and the system requirements, the user instruction includes generating the test case condition, and the test case includes test input, executes condition and expected results；And analog signal is generated according to test input and the execution condition, and the analog signal is delivered to the battery management system BMS to execute the test case.Test method of the present invention for battery management system BMS can automatically generate test case according to system requirements and the user instruction comprising generating test case condition, can effectively improve testing efficiency, reduce cost of labor.
Description
Technical field
The present invention relates to the field of test technology, in particular to a kind of test method and use for battery management system BMS
In the test macro of battery management system BMS.
Background technique
With the promotion of various countries' energy-saving and emission-reduction, New-energy electric vehicle becomes the new developing direction of current motor-dom.Electricity
Electrical automobile is related to the research and development of the most key battery technology, designs a performance and stablizes, and the service life battery of length is automobile engineering
The ultimate aim of teacher.
For battery biggish for capacity, the circuit system of two-stage or two-stage or more is typically necessary to realize to battery
Management, rudimentary circuit system is generally used to the basic information collections such as voltage, electric current and temperature of detection battery, advanced
Circuit system be responsible for the accuracy of diagnostic message and the information exchange of whole-control system.As shown in Figure 1, shown in Fig. 1
Rudimentary circuit system is the state of the battery out of plate CMC, available each mould group, and advanced circuit system is battery management
System BMS.
Battery management system BMS has voltage measurements, communication, SoC estimation, SoH estimation, abnormality warnings, abnormal protection, equal
Weighing apparatus (including passive balanced or active equalization), other control circuits (such as cell circuit relay controls), measuring temp, electric current are surveyed
The functions such as amount and diagnosis.Therefore its influence for vehicle is undoubtedly great.Therefore it is formally used in battery management system BMS
Before, it needs first to test it, could formally be enabled in the case where determining the function-stable of battery management system BMS.
It is existing when testing battery management system BMS, it is all raw to write script according to demand by engineer
At test case, result is obtained according to step operation and is analyzed, export test report.
However present inventor has found, it is existing that script is write to generate the working efficiency of test case by engineer
It is lower, and test accuracy, reliability and comprehensive very high want all is suffered to the experience of Test Engineer and operation
It asks, is unfavorable for improving the stability of testing efficiency and test result.
Summary of the invention
In view of this, the present invention is directed to propose a kind of for the test method of battery management system BMS and for cell tube
The test macro of reason system BMS generates test case to solve that script can only be write manually by engineer in the prior art
The problem of.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of test method for battery management system BMS, the test method packet for battery management system BMS
It includes: obtaining the system requirements tested in relation to the battery management system BMS, the system requirements include that test parameter and test are wanted
It asks；User instruction is obtained, and test case is generated according to the user instruction and the system requirements, the user instruction includes
The test case condition is generated, the test case includes test input, executes condition and expected results；And according to institute
It states test input and the execution condition generates analog signal, and the analog signal is delivered to the battery management system
BMS is to execute the test case.
Further, the test method for battery management system BMS further include: the battery management system
BMS reads the analog signal, and outputs test result；The test result is compared with the expected results；And note
Record the comparison result of the test result Yu the expected results.
Further, the test method for battery management system BMS further include: the determining and test result pair
The quantity for the implementation of test cases answered；And according to the quantity of the implementation of test cases and whole test cases of generation
Quantity determine the coverage between the test result and the test case.
Further, the test method for battery management system BMS further include: executing the test case
When, monitor the implementation procedure of the test case；There is skip test use-case or test case execution time beyond default
When the time, determines and break down during executing the test case；And record the failure.
Further, the test method for battery management system BMS further include: determine that the test of specific project is used
The quantity of example accounts for the quantitative proportion of the test case of whole projects, and the quantity of the test case of the specific project is accounted for whole items
Coverage of the quantitative proportion of purpose test case as the test case of the specific project.
Compared with the existing technology, the test method of the present invention for battery management system BMS has the advantage that
(1) test method of the present invention for battery management system BMS according to system requirements and can include life
Test case can be automatically generated at the user instruction of test case condition, is used without engineer for each test
Example writes script, can effectively improve testing efficiency, reduces cost of labor.
(2) test method of the present invention for battery management system BMS can also be in the mistake of implementation of test cases
The implementation procedure of test case is monitored and recorded in journey, so that engineer observes the implementation procedure of test case, and can be work
The test completeness that Cheng Shi evaluates a certain project provides reference, convenient for the improvement of subsequent test item.
It is existing to solve another object of the present invention is to propose a kind of test macro for battery management system BMS
Script can only be write manually in technology by engineer come the problem of generating test case.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of test macro for battery management system BMS, the test macro packet for battery management system BMS
It includes: system requirements module, for obtaining the system requirements in relation to battery management system BMS test, the system requirements packet
Include test parameter and test request；Module is obtained, it is described for instructing including generating test case for obtaining user instruction
Condition；Test cases technology module, it is described for generating the test case according to the user instruction and the system requirements
Test case includes test input, executes condition and expected results；And analog signal generation module, for according to the survey
Examination input and the execution condition generate analog signal, and by the analog signal be delivered to the battery management system BMS with
Execute the test case.
Further, the test macro for battery management system BMS further include: output module, for described
After battery management system BMS reads the analog signal, output test result；Comparison module, for by the test result and
The expected results compare；And memory module, for recording the comparison result of the test result Yu the expected results.
Further, the test macro for battery management system BMS further include: implementation of test cases coverage
Detection module, the coverage detection module of implementation of test cases corresponding with the test result have executed survey for determining
The quantity of example on probation；And institute is determined according to the quantity of whole test cases of the quantity and generation of the implementation of test cases
State the coverage between test result and the test case.
Further, the test macro for battery management system BMS further include: monitoring modular is surveyed for monitoring
The implementation procedure of example on probation, and when there is skip test use-case or test case executes the time beyond preset time, it determines
It breaks down during executing the test case；And record the failure.
Further, the test macro for battery management system BMS further include: test case coverage detects mould
Block will be described specific for determining that the quantity of test case of specific project accounts for the quantitative proportion of the test case of whole projects
The quantity of the test case of project accounts for the quantitative proportions of whole project testing use-cases as the test case of the specific project
Coverage.
The detection system for battery management system BMS and the above-mentioned detection method for battery management system BMS
Possessed advantage is identical compared with the existing technology, and details are not described herein.
Other features and advantages of the present invention will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies mode and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
In the accompanying drawings:
Fig. 1 is the structural schematic diagram of battery testing system；
Fig. 2 is the flow chart described in embodiment of the present invention for the detection method of battery management system BMS；
Fig. 3 is the structural schematic diagram described in embodiment of the present invention for the detection system of battery management system BMS.
Description of symbols:
10 system requirements modules 20 obtain module
30 Test cases technology module, 40 analog signal generation module
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can
To be combined with each other.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Fig. 1 is the test method provided in an embodiment of the present invention for battery management system BMS.As shown in Figure 1, the use
It may include: to obtain the related battery management system BMS in step S110 and survey in the test method of battery management system BMS
The system requirements of examination；In step S120, user instruction is obtained, and test is generated according to the user instruction and the system requirements
Use-case, the test case include test input, execute condition and expected results；It is defeated according to the test in step S130
Enter and generate analog signal with the execution condition, and the analog signal is delivered to the battery management system BMS to execute
The test case.
Wherein, the system requirements include test parameter and test request.For example, battery management system BMS has detection
The function of voltage, a certain project are to test the ability of battery management system BMS detection voltage, then system requirements include at least following
Data: belong to the temperature range of test parameter and the range of voltage value corresponding with the temperature range, belong to test request
Ambient temperature deviation and voltage detecting precision.
Condition comprising generation test case in the user instruction, and the quantity of the test case generated is by above-mentioned life
Decision is integrated at the test parameter in the condition and system requirements of test case.For example, Range of measuring temp be -40 DEG C extremely
At 85 DEG C, it is first group of test case that the condition that generation test case can be set, which is with the lowest temperature angle value in temperature range,
Every increase by 5 DEG C of increases, one group of test case, or when test voltage value range is 50V to 500V, generation test can be set
The condition of use-case is that two endpoint values chosen in range of voltage values are two groups of test cases, in addition to two voltage endpoint values
Data in choose 8 voltage values again according to certain rule and generate eight groups of test cases, or other than generating positive example, and also
Counter-example can be generated according to user instructions, such as choosing the temperature value beyond 10 DEG C of the temperature range is two groups of test cases etc.
Deng.
Test input, execution condition and expected results can be included in the test case of the generation.For example, the execution
Condition can be temperature and voltage, and test input is the specific value of the parameter determined according to the execution condition, such as a certain survey
It can be temperature, voltage comprising execution condition in example on probation, test input is specific temperature value and specific voltage value, it is contemplated that knot
Fruit is that (this correctly exports result by above-mentioned specific to correct output result of the battery management system BMS when function is normal
Test request in temperature value, specific voltage value and the system requirements determines).
The technical solution that this embodiment of the invention provides, can be when obtaining the system requirements about disparity items, root
One or more groups of test cases are automatically generated according to the user instruction of acquisition, the automatic test of Lai Shixian battery management system BMS, and
It does not need engineer and writes specific test script manually, testing efficiency can be effectively improved, reduce cost of labor.
Furthermore, it is contemplated that when carrying out the test of battery management system BMS, the basic numeric type data of test parameter,
And the numerical value of the data is a range, therefore general user instruction can be set, and the user instruction is applied
In the various test items that test parameter is numerical value, the frequency of input user instruction can be reduced in this way, is used for described in raising
The degree of automation of the test method of battery management system BMS.
Wherein, after generating and sending analog signal, battery management system BMS can pass through CAN bus or its other party
Formula after receiving and reading the analog signal, outputs test result, by the test case expected results and the survey
Test result compares, and determines according to comparison result the execution of the performance indexes and each function of battery management system BMS
Ability.
Further, in order to improve the reliability of the detection method provided by the present invention for battery management system BMS, also
Can during implementation of test cases test case described in real-time monitoring implementation procedure, can find and remember in time in this way
Record the BUG occurred during implementation of test cases.For example, being skipped or the execution of test case there is test case
When time exceeds preset time, there is failure during determining implementation of test cases.
Specifically, during use-case being executed, when the test case or execution for being skipped and being not carried out that will test
Between recorded beyond the test case of preset time, so as to the subsequent tracking of engineer, consult and improve.
Preferably, when there is serious failure during implementation of test cases, should issue in time standby signal or
Person's warning signal improves testing efficiency to remind engineer to need priority processing failure.Wherein, the judgement of the catastrophe failure
Condition can be by engineer's sets itself, for example, if can determine that appearance is tight when occurring continuously skipping multiple groups test case
Weight failure, or be not performed yet at the appointed time in test case, it can also be determined to be serious failure, needed
It is repaired in time.
Further, one accurately understands for the ease of test completeness of the engineer to a certain test item, this
The test method for battery management system BMS that inventive embodiments provide further include: determine held corresponding with test result
The quantity of capable test case, and according to the quantity of the test case executed and according to user instructions and system requirements generate
The quantity of whole test cases determines the coverage between test result and test case.
When coverage between test result and test case is lower, indicate that multiple groups test case is not performed, because
This engineer needs to searching and orienting the test case being not carried out or the reason of test case is not performed, so as to this
The test process of project makes further improvement.
The technical solution that this embodiment of the invention provides can determine the executive condition of test case, so as to engineer according to
The executive condition of the test case determines the completeness of the project testing.
Further, it is contemplated that the significance level of different test items is different, therefore skill provided in an embodiment of the present invention
Art scheme can also determine the coverage of the test case of fc-specific test FC project, and improve accordingly for the fc-specific test FC item
The process of purpose generation test case.In the test method for battery management system BMS that this embodiment of the invention provides
Specific project refers to the test item that engineer selectes, and can be any one in whole test items.
Specifically, the test method for battery management system BMS further include: executed all test items with
Afterwards, the ratio-dependent specific project of the quantity of the test case of whole projects is occupied according to the quantity of the test case of specific project
Test case coverage.According to the coverage of the test case of the specific project, the specific project can be determined complete
Specific gravity in portion's test item, if the specific gravity does not meet expection, engineer can reset user instruction again, described
The meeting of test method for battery management system BMS generates new test case according to new user instruction and system requirements,
And execute the test case of generation.
In addition, after the test case of the test case for having executed a project or whole projects, it can be according to prison
The test case implementation procedure of survey generates a journal file, and the journal file is preferably the mode that picture and text combine, and in this way may be used
More intuitively to show the implementation procedure and test result of test case, the problem of carrying out next time so as to engineer, and is at repetition measurement
The changed test etc. of system demand.
The embodiment offer of the present invention among the above explains technology provided by the invention as specific example using voltage tester
Scheme, but technical solution provided in an embodiment of the present invention is not limited to only carry out related voltage term purpose test, can be also used for
The test of sundry item, such as the test of electric current project, the test of battery charging and discharging number accumulation purpose, insulating monitoring project
Test etc..
To sum up, the test method provided in an embodiment of the present invention for battery management system BMS has the advantage that (1)
Test case can be automatically generated according to system requirements and the user instruction comprising generating test case condition, without
Engineer is wanted for each test case to write script, can effectively improve testing efficiency；It (2) can be according to test case
The number such as implementation procedure, coverage between the coverage of the test case of specific project and test result and the test case
According to adjusting or improve the test method for being used for battery management system BMS, with improve this method the degree of automation and can
By property.
Fig. 2 is the structural schematic diagram of the test macro provided in an embodiment of the present invention for battery management system BMS.Such as figure
Shown in 2, the shown test macro for battery management system BMS includes: system requirements module 10, for obtaining the related electricity
The system requirements of pond management system BMS test, the system requirements include test parameter and test request；Module 20 is obtained, is used
In obtaining user instruction, the user instruction includes the condition for generating test case；Test cases technology module 30 is used for basis
The user instruction and the system requirements generate the test case, and the test case includes test input, execute condition
And expected results；And analog signal generation module 40, for generating mould according to test input and the execution condition
Quasi- signal, and the analog signal is delivered to the battery management system BMS to execute the test case.
Further, described to be used for battery management system after the battery management system BMS implementation of test cases
The test macro of BMS can also include output module, be used for after the battery management system BMS reads the analog signal,
Output test result；Comparison module, for the test result to compare with the expected results；And memory module, it uses
In the comparison result for recording the test result Yu the expected results.
Further, the test macro for battery management system BMS further includes implementation of test cases coverage
Detection module, after having executed a test item or whole test items, the coverage of the implementation of test cases inspection
The quantity that module first determines implementation of test cases corresponding with test result is surveyed, further according to the quantity of the test case executed
And the quantity of whole test cases of generation determines the coverage between test result and test case.Engineer can be according to institute
The coverage between test result and test case is stated to determine the completeness of the test case of the project.
Further, the test macro for battery management system BMS further includes monitoring modular, is used for monitoring and test
The implementation procedure of use-case is determined and is executed when there is skip test use-case or test case executes the time beyond preset time
It breaks down during the test case, and records the failure.Or the quantity in the continuous skip test use-case of determination
Excessively, test case stopping be performed or test case execute overlong time when, determine that failure ratio is more serious, can stop at this time
Only implementation of test cases and to engineer issue standby signal.
Further, the test macro for battery management system BMS further includes example coverage detection module on probation,
For determining that the quantity of the test case of specific project accounts for the quantitative proportion of the test case of whole projects, by the specific project
The quantity of test case account for the covering of test case of the quantitative proportion of whole project testing use-cases as the specific project
Degree.Engineer can adjust the user instruction of input according to the coverage of the test case of the specific project.
The concrete operating principle and benefit of test macro provided in an embodiment of the present invention for battery management system BMS with
The concrete operating principle and benefit for the test method for battery management system BMS that the embodiments of the present invention provide are similar,
Here it will not be described in great detail.
The foregoing is merely better embodiments of the invention, are not intended to limit the invention, all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of test method for battery management system BMS, which is characterized in that described for battery management system BMS's
Test method includes:
The system requirements tested in relation to the battery management system BMS are obtained, the system requirements include test parameter and test
It is required that；
User instruction is obtained, and test case, the user instruction packet are generated according to the user instruction and the system requirements
The test case condition that generates is included, the test case includes test input, executes condition and expected results；And
Analog signal is generated according to test input and the execution condition, and the analog signal is delivered to the battery
Management system BMS is to execute the test case.
2. the test method according to claim 1 for battery management system BMS, which is characterized in that described for electricity
The test method of pond management system BMS further include:
The battery management system BMS reads the analog signal, and outputs test result；
The test result is compared with the expected results；And
Record the comparison result of the test result Yu the expected results.
3. the test method according to claim 2 for battery management system BMS, which is characterized in that described for electricity
The test method of pond management system BMS further include:
Determine the quantity of implementation of test cases corresponding with the test result；And
According to the quantity of the quantity of the implementation of test cases and whole test cases of generation determine the test result with
Coverage between the test case.
4. the test method according to claim 1 for battery management system BMS, which is characterized in that described for electricity
The test method of pond management system BMS further include:
When executing the test case, the implementation procedure of the test case is monitored；
When there is skip test use-case or test case executes the time beyond preset time, determines and execute the test case
During break down；And
Record the failure.
5. the test method according to claim 1 for battery management system BMS, which is characterized in that described for electricity
The test method of pond management system BMS further include:
Determine that the quantity of the test case of specific project accounts for the quantitative proportion of the test case of whole projects, by the specific project
The quantitative proportion of the quantity test case that accounts for whole projects of test case covered as the test case of the specific project
Cover degree.
6. a kind of test macro for battery management system BMS, which is characterized in that described for battery management system BMS's
Test macro includes:
System requirements module, for obtaining the system requirements in relation to battery management system BMS test, the system requirements packet
Include test parameter and test request；
Module is obtained, it is described for instructing the condition including generating test case for obtaining user instruction；
Test cases technology module, it is described for generating the test case according to the user instruction and the system requirements
Test case includes test input, executes condition and expected results；And
Analog signal generation module, for generating analog signal according to test input and the execution condition, and will be described
Analog signal is delivered to the battery management system BMS to execute the test case.
7. the test macro according to claim 6 for battery management system BMS, which is characterized in that described for electricity
The test macro of pond management system BMS further include:
Output module, for outputing test result after the battery management system BMS reads the analog signal；
Comparison module, for the test result to compare with the expected results；And
Memory module, for recording the comparison result of the test result Yu the expected results.
8. the test macro according to claim 7 for battery management system BMS, which is characterized in that described for electricity
The test macro of pond management system BMS further include:
Implementation of test cases coverage detection module, the coverage detection module of implementation of test cases is for determining and institute
State the quantity of the corresponding implementation of test cases of test result；And quantity and generation according to the implementation of test cases
The quantity of whole test cases determines the coverage between the test result and the test case.
9. the test macro according to claim 6 for battery management system BMS, which is characterized in that described for electricity
The test macro of pond management system BMS further include:
For the implementation procedure of monitoring and test use-case, and is there is skip test use-case or test case execution in monitoring modular
When time exceeds preset time, determines and break down during executing the test case；And record the failure.
10. the test macro according to claim 6 for battery management system BMS, which is characterized in that described for electricity
The test macro of pond management system BMS further include:
Test case coverage detection module, for determining that the quantity of test case of specific project accounts for the test use of whole projects
The quantitative proportion of example, accounts for the quantitative proportion of whole project testing use-cases as institute for the quantity of the test case of the specific project
State the coverage of the test case of specific project.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111060765A (en) * | 2019-12-26 | 2020-04-24 | 国网智能科技股份有限公司 | Detection method, device and system for electric vehicle charging equipment |
| CN113030753A (en) * | 2021-02-02 | 2021-06-25 | 智光研究院(广州)有限公司 | Test method, device and test system for battery management system BMS |
| CN113590482A (en) * | 2021-07-29 | 2021-11-02 | 深圳市超思维电子股份有限公司 | Test method and test system for battery management system BMS |
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| CN111060765B (en) * | 2019-12-26 | 2022-06-14 | 山东鲁软数字科技有限公司智慧能源分公司 | Detection method, device and system for electric vehicle charging equipment |
| CN113030753A (en) * | 2021-02-02 | 2021-06-25 | 智光研究院(广州)有限公司 | Test method, device and test system for battery management system BMS |
| CN113590482A (en) * | 2021-07-29 | 2021-11-02 | 深圳市超思维电子股份有限公司 | Test method and test system for battery management system BMS |
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