CN107340762A - A kind of vehicle abnormal function inspection method and system - Google Patents
A kind of vehicle abnormal function inspection method and system Download PDFInfo
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- CN107340762A CN107340762A CN201611073364.8A CN201611073364A CN107340762A CN 107340762 A CN107340762 A CN 107340762A CN 201611073364 A CN201611073364 A CN 201611073364A CN 107340762 A CN107340762 A CN 107340762A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0256—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults injecting test signals and analyzing monitored process response, e.g. injecting the test signal while interrupting the normal operation of the monitored system; superimposing the test signal onto a control signal during normal operation of the monitored system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/0078—Shock-testing of vehicles
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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
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/24—Pc safety
- G05B2219/24065—Real time diagnostics
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Abstract
The invention discloses a kind of vehicle abnormal function inspection method and system, this method to include：Collect vehicle abnormal function；The test mode of each vehicle abnormal function is determined, the test mode includes：Manual operation, software simulation or complete vehicle test checking；The test case of each vehicle abnormal function is determined according to the test mode of each vehicle abnormal function and each vehicle abnormal function；Predict the vehicle reaction of the test case of each vehicle abnormal function；Tested, test result and the reaction of the vehicle of prediction are compared, if comparison result is consistent, vehicle abnormal function passes through inspection using the test case of each vehicle abnormal function.Can solve in the prior art the problem of vehicle abnormal function inspection method is imperfect, and whole abnormal function check process can not be verified fully using the present invention.
Description
Technical field
The present invention relates to technical field of electronic control, more particularly to a kind of vehicle abnormal function inspection method and system.
Background technology
Vehicle abnormal function is defined as power assembly core component hardware or the failure of software aspects is brought to whole vehicle functions
Influence.The inspection for carrying out abnormal function in the automotive development stage confirms to seek to identify in advance vehicle after various functions failure
Reaction, corresponding strategy is formulated to protect the basic function of power assembly part, so as to realize the safety of protection people.
Current automotive development the anomaly of each phase functional check is only limitted to core component in itself, such as power drive system abnormal function
The pre- measured motor of the various sensor signals in power drive system inside or the issuable mistake of miscellaneous part are first passed through headed by check process
Effect pattern, while failure mode is reported into entire car controller (Virginia Commonwealth University, VCU), electricity
The purpose of drive system abnormal function inspection is to determine that can power drive system accurately identify failure mode and accurately report
VCU, but do not check whether other associated components make correctly outside various sensors, VCU inside power drive system
Reaction；In another example the failure mode that whole-control system abnormal function check process sends for reception power assembly core component
And failure level, the reaction from the vehicle angle comprehensive descision failure to power assembly part, while predict this reaction to whole
The influence of car functional performance, then VCU formulate corresponding strategy to reach maintaining member normal function while play maximum performance
Purpose, the purpose of whole-control system abnormal function inspection is to confirm that can entire car controller accurately receive power assembly system
The various failure modes sent, while correct reaction is made, but do not check whether other associated components are made outside VCU
Go out correct reaction.Therefore, existing vehicle abnormal function inspection method is imperfect, and whole abnormal function check process can not
Fully verified, for example, the reaction from identification failure mode to final vehicle can not be verified fully.
The content of the invention
The invention provides a kind of vehicle abnormal function inspection method and system, solves vehicle abnormal function in the prior art
The problem of inspection method is imperfect, and whole abnormal function check process can not be verified fully.
The invention provides a kind of vehicle abnormal function inspection method, including：
Collect vehicle abnormal function；
The test mode of each vehicle abnormal function is determined, the test mode includes：Manual operation, software simulation or whole
Car verification experimental verification；
The survey of each vehicle abnormal function is determined according to the test mode of each vehicle abnormal function and each vehicle abnormal function
Example on probation；
Predict the vehicle reaction of the test case of each vehicle abnormal function；
Tested using the test case of each vehicle abnormal function, test result and the reaction of the vehicle of prediction are compared
Right, if comparison result is consistent, vehicle abnormal function passes through inspection.
Preferably, the vehicle abnormal function include it is following any one or more：
ABS-system fault, vehicle insulation low, complete automobile collision protection failure, warning lamp are abnormal.
Preferably, automobile is pure electric automobile, the vehicle abnormal function also include it is following any one or more：
Maloperation touching high pressure, electrokinetic cell one-level thermal run away, electrokinetic cell two level thermal run away, electrokinetic cell are put completely
Electric, lower electricity time-out.
Preferably, the test case includes：
For ABS-system fault, under vehicle power-down state, abs sensor connector is pulled out, whole vehicle state is observed after upper electricity；
High pressure is touched for maloperation, vehicle is adjusted into supreme electric " READY " state, air-conditioning is closed, pulls up high-voltage connection
High input voltage connector on box, monitor high pressure main relay state；
For electrokinetic cell one-level thermal run away, vehicle is adjusted into supreme electric " READY " state, passes through battery management system mould
Intend the operating mode that battery cell voltage in 2s decrease beyond 400mv, observe whole vehicle state；
For electrokinetic cell two level thermal run away, battery cell voltage in 2s is simulated by battery management system and decrease beyond
400mv, and monomer maximum temperature is more than 100 DEG C；
For the complete electric discharge of electrokinetic cell, vehicle is adjusted into supreme electric " READY " state, air-conditioning is opened, selects heated mould
Formula, battery cell voltage is then placed in by 2.4v by battery management system, simulated battery monomer is under-voltage, observes air-conditioning work shape
Condition；
Insulated for vehicle low, carry out experiment of paddling；
Failure is protected for complete automobile collision, carries out complete automobile collision experiment；
For lower electricity time-out, by software fault injection mode, high pressure is not cut yet after simulation VCU receives lower electric signal 3s
It is disconnected；
It is abnormal for warning lamp, including it is following any one or more：
For limiting power indicator lamp, drive vehicle and discharged to electrokinetic cell, until battery SOC is less than 15%；
For electrical fault warning lamp, the 23p connectors on PCU are pulled up under power-down state；
For VSP warning lamps, the connector of VSP loudspeaker is pulled up；
For ABS-system fault warning lamp, abs sensor connector is pulled up；
For brake fault warning lamp, abs sensor connector is pulled up；
For electric boosting steering system warning lamp, the torque signal sensor plug-in part of steering is pulled up；
For air bag warning lamp, under power-down state, the main gasbag wire harness below steering wheel loudspeaker lid is pulled up.
Preferably, the vehicle reaction of the prediction includes：
For ABS-system fault, ABS-system fault warning lamp is lighted；
High pressure is touched for maloperation, high-voltage interlocking between parts, the surfaces of the high voltage parts nothing after high-voltage interlocking
High voltage；
For electrokinetic cell one-level thermal run away, instrument prompting electrokinetic cell one-level thermal run away relevant information；
For electrokinetic cell two level thermal run away, instrument prompting electrokinetic cell two level thermal run away relevant information；
For the complete electric discharge of electrokinetic cell, after input power battery cell voltage is 2.4v information, entire car controller
Cutoff high exports immediately；
Insulated for vehicle low, when insulation resistance value is less than 500 Ω/v, report remote terminal；When insulation resistance value is less than 100
During Ω/v, report remote terminal and forbid vehicle upper electric again or charge again；
Failure is protected for complete automobile collision, central collision reaches certain limit, main air bag for copilot ejection；Central collision, side impact
When causing the air bag to pop, high-pressure system automatically cuts off output；Collide rear vehicle automatic unlocking；
For lower electricity time-out, high pressure is not cut off yet after VCU receives lower electric signal 3s, and system is by automatic broken height pressure；
Abnormal for warning lamp, each warning lamp is lighted.
Preferably, the test mode for determining each vehicle abnormal function includes：
Judge whether vehicle abnormal function to be determined can be formed by manual operation mode, if it is, using artificial behaviour
Checked as mode；
If it is not, then judge whether vehicle abnormal function to be determined can be formed by software analog form, if it is, adopting
Checked with software analog form；
If it is not, then judge whether vehicle abnormal function to be determined can be formed by complete vehicle test verification mode, if it is,
Then checked using complete vehicle test verification mode.
Correspondingly, present invention also offers a kind of vehicle abnormal function inspection system, including：
Vehicle abnormal function collector, for collecting vehicle abnormal function；
Test mode determining module, for determining the test mode of each vehicle abnormal function, the test mode includes：People
For operation, software simulation or complete vehicle test checking；
Test case determining module, it is true for the test mode according to each vehicle abnormal function and each vehicle abnormal function
The test case of fixed each vehicle abnormal function；
Prediction module, the vehicle reaction of the test case for predicting each vehicle abnormal function；
Comparing module, for being tested using the test case of each vehicle abnormal function, to test result and prediction
Vehicle reaction is compared, if comparison result is consistent, vehicle abnormal function passes through inspection.
Preferably, the vehicle abnormal function include it is following any one or more：ABS-system fault, the low, vehicle of vehicle insulation
Crash protection failure, warning lamp are abnormal；Or
Automobile is pure electric automobile, the vehicle abnormal function include it is following any one or more：ABS-system fault, vehicle
The low, complete automobile collision of insulating protection failure, maloperation touching high pressure, electrokinetic cell one-level thermal run away, electrokinetic cell two level thermal run away,
Electrokinetic cell discharges completely, lower electricity time-out.
Preferably, the system also includes：Memory module, for storing the test case, wherein, the test case
Including：
For ABS-system fault, under vehicle power-down state, abs sensor connector is pulled out, whole vehicle state is observed after upper electricity；
High pressure is touched for maloperation, vehicle is adjusted into supreme electric " READY " state, air-conditioning is closed, pulls up high-voltage connection
High input voltage connector on box, monitor high pressure main relay state；
For electrokinetic cell one-level thermal run away, vehicle is adjusted into supreme electric " READY " state, passes through battery management system mould
Intend the operating mode that battery cell voltage in 2s decrease beyond 400mv, observe whole vehicle state；
For electrokinetic cell two level thermal run away, battery cell voltage in 2s is simulated by battery management system and decrease beyond
400mv, and monomer maximum temperature is more than 100 DEG C；
For the complete electric discharge of electrokinetic cell, vehicle is adjusted into supreme electric " READY " state, air-conditioning is opened, selects heated mould
Formula, battery cell voltage is then placed in by 2.4v by battery management system, simulated battery monomer is under-voltage, observes air-conditioning work shape
Condition；
Insulated for vehicle low, carry out experiment of paddling；
Failure is protected for complete automobile collision, carries out complete automobile collision experiment；
For lower electricity time-out, by software fault injection mode, high pressure is not cut yet after simulation VCU receives lower electric signal 3s
It is disconnected；
It is abnormal for warning lamp, including it is following any one or more：
For limiting power indicator lamp, drive vehicle and discharged to electrokinetic cell, until battery SOC is less than 15%；
For electrical fault warning lamp, the 23p connectors on PCU are pulled up under power-down state；
For VSP warning lamps, the connector of VSP loudspeaker is pulled up；
For ABS-system fault warning lamp, abs sensor connector is pulled up；
For brake fault warning lamp, abs sensor connector is pulled up；
For electric boosting steering system warning lamp, the torque signal sensor plug-in part of steering is pulled up；
For air bag warning lamp, under power-down state, the main gasbag wire harness below steering wheel loudspeaker lid is pulled up.
Preferably, the memory module is additionally operable to store the vehicle reaction of the prediction, wherein, the vehicle of the prediction is anti-
It should include：
For ABS-system fault, ABS-system fault warning lamp is lighted；
High pressure is touched for maloperation, high-voltage interlocking between parts, the surfaces of the high voltage parts nothing after high-voltage interlocking
High voltage；
For electrokinetic cell one-level thermal run away, instrument prompting electrokinetic cell one-level thermal run away relevant information；
For electrokinetic cell two level thermal run away, instrument prompting electrokinetic cell two level thermal run away relevant information；
For the complete electric discharge of electrokinetic cell, after input power battery cell voltage is 2.4v information, entire car controller
Cutoff high exports immediately；
Insulated for vehicle low, when insulation resistance value is less than 500 Ω/v, report remote terminal；When insulation resistance value is less than 100
During Ω/v, report remote terminal and forbid vehicle upper electric again or charge again；
Failure is protected for complete automobile collision, central collision reaches certain limit, main air bag for copilot ejection；Central collision, side impact
When causing the air bag to pop, high-pressure system automatically cuts off output；Collide rear vehicle automatic unlocking；
For lower electricity time-out, high pressure is not cut off yet after VCU receives lower electric signal 3s, and system is by automatic broken height pressure；
Abnormal for warning lamp, each warning lamp is lighted.
A kind of vehicle abnormal function inspection method and system provided by the invention, collect vehicle abnormal function；Determine each whole
The test mode of car abnormal function, the test mode include：Manual operation, software simulation or complete vehicle test checking；According to each
The test mode of vehicle abnormal function and each vehicle abnormal function determines the test case of each vehicle abnormal function；Predict each whole
The vehicle reaction of the test case of car abnormal function；Tested using the test case of each vehicle abnormal function, test is tied
The reaction of the vehicle of fruit and prediction is compared.When being reacted due to the vehicle for the test case for predicting each vehicle abnormal function, not only
Whether correct only account for the reaction of the core component of correlation, but consider the reaction of vehicle, can effectively solve prior art
The problem of middle vehicle abnormal function inspection method is imperfect, and whole abnormal function check process can not be verified fully.This
Outside, the test mode of each vehicle abnormal function includes three kinds, therefore most suitable one can be chosen from these three test modes
Kind test mode, for example, use can realize the most simple or minimum cost test mode of the inspection of vehicle abnormal function：Artificially
The convenient degree of the convenient degree ＞ complete vehicle tests checking of the convenient degree ＞ softwares simulation of operation.It so can effectively lift the convenient of inspection
Property.
Further, present invention also offers the specific example of vehicle abnormal function in order to carry out vehicle abnormal function inspection
Look into.
Further, present invention also offers the test case of each vehicle abnormal function, each test case is all can be with
Test case most effective, that easily mode is checked vehicle abnormal function.
Further, present invention also offers the vehicle predicted corresponding with the test case of each vehicle abnormal function is anti-
Should, the vehicle reaction of these predictions not only only gives the reaction of the kernel component of correlation, gives other phases of vehicle
The reaction of parts is closed, in order to more completely checking vehicle abnormal function.
Brief description of the drawings
, below will be to institute in embodiment in order to illustrate more clearly of the embodiment of the present application or technical scheme of the prior art
The accompanying drawing needed to use is briefly described, it should be apparent that, drawings in the following description are only one described in the present invention
A little embodiments, for those of ordinary skill in the art, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart according to vehicle abnormal function inspection method provided in an embodiment of the present invention；
Fig. 2 is to be flowed according to a kind of the of method of the test mode provided in an embodiment of the present invention for determining each vehicle abnormal function
Cheng Tu；
Fig. 3 is another flow chart according to vehicle abnormal function inspection method provided in an embodiment of the present invention；
Fig. 4 is a kind of structural representation according to vehicle abnormal function inspection system provided in an embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar parameter or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
A kind of vehicle abnormal function inspection method and system provided by the invention, are determining the survey of each vehicle abnormal function
After example on probation, the vehicle reaction of the test case of each vehicle abnormal function is predicted, rather than only predicts the core component of correlation
Reaction, so vehicle abnormal function can more fully be checked.
In order to be better understood from technical scheme and technique effect, below with reference to schematic flow sheet to specific
Embodiment is described in detail.As shown in figure 1, for according to vehicle abnormal function inspection method provided in an embodiment of the present invention
A kind of flow chart, this method may comprise steps of：
Step S01, collect vehicle abnormal function.
In embodiments of the present invention, can be by artificially collecting vehicle abnormal function, such as fed back according to car owner, maintenance department
Vehicle abnormal function of feedback etc., is concluded, and obtains each vehicle abnormal function.In addition it is also possible to it is by specifically handling
Device collects vehicle abnormal function, does not limit herein.
Wherein, vehicle abnormal function can include：Walk lamely, collide, vehicle insulation is low, high-voltage safety, lower electricity time-out, battery
Temperature is too high, battery discharges completely, abnormal prompt lamp.
In a specific embodiment, the vehicle abnormal function include it is following any one or more：It is ABS-system fault, whole
Car insulation is low, complete automobile collision protection failure.When automobile is pure electric automobile, the vehicle abnormal function also includes following any one
Kind is a variety of：Maloperation touching high pressure, electrokinetic cell one-level thermal run away, electrokinetic cell discharge completely.
It should be noted that in addition to the above-mentioned vehicle abnormal function enumerated, other vehicle abnormal functions are equally applicable to
The present invention.
Step S02, determines the test mode of each vehicle abnormal function, and the test mode includes：Manual operation, software mould
Intend or complete vehicle test is verified.
In the present embodiment, after it have collected various vehicle abnormal functions, the reviewing party of each vehicle abnormal function is determined
Formula, because test case needs to be detected by specific test mode, and the survey used needed for different test modes
Example on probation is also different, therefore, it is necessary to first determine the test mode of each vehicle abnormal function, then determine the survey of each vehicle abnormal function
Example on probation.
The problem of in view of exploitativeness, efficiency and cost, different vehicle abnormal functions can be directed to from different
Test mode, test mode can include following three kinds：Manual operation, software simulation or complete vehicle test checking.Wherein, with people
Cause vehicle abnormal function most simple and convenient for the mode of operation, and cost is low, it is therefore, every to use the excellent of manual operation
First use manual operation；The convenient degree of software simulation is more weaker than the convenient degree of manual operation, but cost is equally relatively low：Need not
Destructive testing, it is thus impossible to using manual operation pay the utmost attention to software simulation by the way of；If manual operation and software mould
Plan can not all simulate some vehicle abnormal function, then by the way of complete vehicle test checking, such as collision experiment, experiment of paddling
Deng because this mode belongs to destructive test, cycle length and cost height.
As shown in Fig. 2 it is the method according to the test mode provided in an embodiment of the present invention for determining each vehicle abnormal function
A kind of flow chart, the test mode for determining each vehicle abnormal function includes：
Step S21, judges whether vehicle abnormal function to be determined can be formed by manual operation mode, if it is, adopting
Checked with artificial mode of operation.
Step S22, if it is not, then judging whether vehicle abnormal function to be determined can be formed by software analog form, such as
Fruit is then to be checked using software analog form.
Step S23, if it is not, then judging whether vehicle abnormal function to be determined can be by complete vehicle test verification mode shape
Into if it is, being checked using complete vehicle test verification mode.
Specifically, (1) manual operation：Failure for system hardware can artificially produce some events by shirtsleeve operation
Barrier, vehicle reaction is reviewed and validate, such as the connector of some sensor is pulled out, artificially producing this sensor degradation causes
Abnormal signal；(2) software is simulated：Expend substantial amounts of experiment resource, time, or experiment for some needs has one in itself
Fixed dangerous test case, related software (such as entire car controller VCU, electric machine controller PCU, battery management system can be passed through
Unite LBC) simulated test condition, review and validate vehicle and perform the result after corresponding strategies, for example, passing through battery management system
BMS simulated battery monomer temperatures are too high；(3) complete vehicle test is verified：Carry out related experiment reduction vehicle abnormality, prediction is whole
The issuable reaction of car, and corresponding strategy is performed, the difference between vehicle actual result and expected results is reviewed and validate,
Such as verify that it is whether up to standard that vehicle insulate by colliding, paddling experiment.
Step S03, determine that each vehicle is abnormal according to the test mode of each vehicle abnormal function and each vehicle abnormal function
The test case of function.
In the present embodiment, it is determined that after the test mode of each vehicle abnormal function, for the spy of each vehicle abnormal function
Point, it is determined that corresponding test case.Specifically, may comprise steps of：
1. determine the possibility object of vehicle abnormal function；2. it is determined by experiment several parts of most critical；3. analysis
The related components of each key components and parts and the influence to whole vehicle functions；4. by being verified；5. will be each after checking
The influence to related components and to whole vehicle functions of key components and parts is fabricated to decision table；6. each example of a decision table is taken out
It is used as foundation, design test case.Test case is as shown in table 1.
The test case of table 1
Step S04, predict the vehicle reaction of the test case of each vehicle abnormal function.
In the present embodiment, it can be foundation according to the step S03 decision tables provided, predict that the vehicle of test case is anti-
Should, for example, when some sensor is unplugged or thinks input error signal, reaction that related control unit should be made,
The reaction can include correctly reaction and the reaction of mistake, wherein, the reaction of mistake can also be divided into gross error
Reaction and noncritical error etc., are not limited herein.Vehicle reaction can be as shown in table 2.
The vehicle of table 2 reacts
Step S05, tested using the test case of each vehicle abnormal function, it is anti-to the vehicle of test result and prediction
It should be compared, if comparison result is consistent, vehicle abnormal function passes through inspection.
In the present embodiment, actual result with expected results comparative analysis to check vehicle abnormal function, and just
In targetedly making improvement, such as adopting remedial measures of threatening to personal safety be present.
Further, as shown in figure 3, for according to the another of vehicle abnormal function inspection method provided in an embodiment of the present invention
Kind flow chart, methods described can also comprise the following steps：
Step S36, if test result is consistent with the vehicle reaction of prediction, the checking of vehicle abnormal function is completed；
Step S37, caused if test result and the vehicle of prediction are had various reactions, whole vehicle functions strategy modified,
Until test result is consistent with the vehicle reaction of prediction.
Vehicle abnormal function inspection method provided in an embodiment of the present invention, collect vehicle abnormal function；Determine that each vehicle is different
Chang Gongneng test mode, the test mode include：Manual operation, software simulation or complete vehicle test checking；According to each vehicle
The test mode of abnormal function and each vehicle abnormal function determines the test case of each vehicle abnormal function；Predict that each vehicle is different
The vehicle reaction of Chang Gongneng test case；Tested using the test case of each vehicle abnormal function, to test result and
The vehicle reaction of prediction is compared.When being reacted due to the vehicle for the test case for predicting each vehicle abnormal function, not only examine
Whether correct the reaction of the core component of correlation is considered, but has considered the reaction of vehicle, can effectively solve whole in the prior art
The problem of car abnormal function inspection method is imperfect, and whole abnormal function check process can not be verified fully.It is in addition, each
The test mode of vehicle abnormal function includes three kinds, therefore a kind of most suitable inspection can be chosen from these three test modes
Mode, for example, use can realize the most simple or minimum cost test mode of the inspection of vehicle abnormal function：Manual operation
The convenient degree of the convenient degree ＞ complete vehicle tests checking of convenient degree ＞ softwares simulation.It so can effectively lift the convenience of inspection.
In other embodiments, present invention also offers some specific test cases.
Specifically, the test case includes：For ABS-system fault, under vehicle power-down state, by abs sensor connector
Pull out, whole vehicle state is observed after upper electricity.
High pressure is touched for maloperation, vehicle is adjusted into supreme electric " READY " state, air-conditioning is closed, pulls up high-voltage connection
High input voltage connector on box, monitor high pressure main relay state.
For electrokinetic cell one-level thermal run away, vehicle is adjusted into supreme electric " READY " state, passes through battery management system mould
Intend the operating mode that battery cell voltage in 2s decrease beyond 400mv, observe whole vehicle state.
For electrokinetic cell two level thermal run away, battery cell voltage in 2s is simulated by battery management system and decrease beyond
400mv, and monomer maximum temperature is more than 100 DEG C.
For the complete electric discharge of electrokinetic cell, vehicle is adjusted into supreme electric " READY " state, air-conditioning is opened, selects heated mould
Formula, battery cell voltage is then placed in by 2.4v by battery management system, simulated battery monomer is under-voltage, observes air-conditioning work shape
Condition.
Insulated for vehicle low, carry out experiment of paddling.
Failure is protected for complete automobile collision, carries out complete automobile collision experiment.
For lower electricity time-out, by software fault injection mode, high pressure is not cut yet after simulation VCU receives lower electric signal 3s
It is disconnected.
It is abnormal for warning lamp, including it is following any one or more：For limiting power indicator lamp, drive vehicle and give
Electrokinetic cell discharges, until battery SOC is less than 15%.
For electrical fault warning lamp, the 23p connectors on PCU are pulled up under power-down state.
For VSP warning lamps, the connector of VSP loudspeaker is pulled up.
For ABS-system fault warning lamp, abs sensor connector is pulled up.
For brake fault warning lamp, abs sensor connector is pulled up.
For electric boosting steering system warning lamp, the torque signal sensor plug-in part of steering is pulled up.
For air bag warning lamp, under power-down state, the main gasbag wire harness below steering wheel loudspeaker lid is pulled up.
The embodiments of the invention provide the test case of each vehicle abnormal function, each test case is all can be most to have
Effect, the test case that easily mode is checked vehicle abnormal function.
In another embodiment, predicted present invention also offers with the test case of each vehicle abnormal function corresponding
Vehicle reacts, and specifically, the vehicle reaction of the prediction includes：For ABS-system fault, ABS-system fault warning lamp is lighted.
High pressure is touched for maloperation, high-voltage interlocking between parts, the surfaces of the high voltage parts nothing after high-voltage interlocking
High voltage.
For electrokinetic cell one-level thermal run away, instrument prompting electrokinetic cell one-level thermal run away relevant information.
For electrokinetic cell two level thermal run away, instrument prompting electrokinetic cell two level thermal run away relevant information.
For the complete electric discharge of electrokinetic cell, after input power battery cell voltage is 2.4v information, entire car controller
Cutoff high exports immediately.This, which is due to that electrokinetic cell is minimum, allows discharge voltage to be 2.5v.
Insulated for vehicle low, when insulation resistance value is less than 500 Ω/v, report remote terminal；When insulation resistance value is less than 100
During Ω/v, report remote terminal and forbid vehicle upper electric again or charge again.
Failure is protected for complete automobile collision, central collision reaches certain limit, main air bag for copilot ejection；Central collision, side impact
When causing the air bag to pop, high-pressure system automatically cuts off output；Collide rear vehicle automatic unlocking.
For lower electricity time-out, high pressure is not cut off yet after VCU receives lower electric signal 3s, and system is by automatic broken height pressure.
Abnormal for warning lamp, each warning lamp is lighted.
The vehicle reaction of prediction corresponding with the test case of each vehicle abnormal function provided in an embodiment of the present invention, these
The vehicle reaction of prediction not only only gives the reaction of the kernel component of correlation, gives other related components of vehicle
Reaction, in order to more completely check vehicle abnormal function.
Correspondingly, present invention also offers vehicle abnormal function inspection system corresponding with the above method, as shown in figure 4,
For a kind of structural representation according to vehicle abnormal function inspection system provided in an embodiment of the present invention, including：
Vehicle abnormal function collector 401, for collecting vehicle abnormal function.
Test mode determining module 402, for determining the test mode of each vehicle abnormal function, the test mode bag
Include：Manual operation, software simulation or complete vehicle test checking.
Test case determining module 403, for the reviewing party according to each vehicle abnormal function and each vehicle abnormal function
Formula determines the test case of each vehicle abnormal function.
Prediction module 404, the vehicle reaction of the test case for predicting each vehicle abnormal function.
Comparing module 405, for being tested using the test case of each vehicle abnormal function, to test result and prediction
Vehicle reaction be compared.
In the present embodiment, the vehicle abnormal function include it is following any one or more：ABS-system fault, vehicle insulation
Low, complete automobile collision protection failure, warning lamp are abnormal；Or automobile is pure electric automobile, the vehicle abnormal function includes
Below any one or more：ABS-system fault, vehicle insulation low, complete automobile collision protection failure, maloperation touching high pressure, power electric
Pond one-level thermal run away, electrokinetic cell two level thermal run away, electrokinetic cell discharge completely, lower electricity time-out.
It should be noted that the specific embodiment that above-mentioned vehicle abnormal function is only enumerated to illustrate the invention, it is impossible to understand
For limitation of the invention.
Further, the system also includes：Memory module 406, for storing the test case, wherein, the survey
Example on probation includes：
For ABS-system fault, under vehicle power-down state, abs sensor connector is pulled out, whole vehicle state is observed after upper electricity.
High pressure is touched for maloperation, vehicle is adjusted into supreme electric " READY " state, air-conditioning is closed, pulls up high-voltage connection
High input voltage connector on box, monitor high pressure main relay state.
For electrokinetic cell one-level thermal run away, vehicle is adjusted into supreme electric " READY " state, passes through battery management system mould
Intend the operating mode that battery cell voltage in 2s decrease beyond 400mv, observe whole vehicle state.
For electrokinetic cell two level thermal run away, battery cell voltage in 2s is simulated by battery management system and decrease beyond
400mv, and monomer maximum temperature is more than 100 DEG C.
For the complete electric discharge of electrokinetic cell, vehicle is adjusted into supreme electric " READY " state, air-conditioning is opened, selects heated mould
Formula, battery cell voltage is then placed in by 2.4v by battery management system, simulated battery monomer is under-voltage, observes air-conditioning work shape
Condition.
Insulated for vehicle low, carry out experiment of paddling.
Failure is protected for complete automobile collision, carries out complete automobile collision experiment.
For lower electricity time-out, by software fault injection mode, high pressure is not cut yet after simulation VCU receives lower electric signal 3s
It is disconnected.
It is abnormal for warning lamp, including it is following any one or more.
For limiting power indicator lamp, drive vehicle and discharged to electrokinetic cell, until battery SOC is less than 15%.
For electrical fault warning lamp, the 23p connectors on PCU are pulled up under power-down state.
For VSP warning lamps, the connector of VSP loudspeaker is pulled up.
For ABS-system fault warning lamp, abs sensor connector is pulled up.
For brake fault warning lamp, abs sensor connector is pulled up.
For electric boosting steering system warning lamp, the torque signal sensor plug-in part of steering is pulled up.
For air bag warning lamp, under power-down state, the main gasbag wire harness below steering wheel loudspeaker lid is pulled up.
Certainly, the memory module 406 can be also used for storing the vehicle of the prediction and react in order to be compared, its
In, the vehicle reaction of the prediction includes：
For ABS-system fault, ABS-system fault warning lamp is lighted.
High pressure is touched for maloperation, high-voltage interlocking between parts, the surfaces of the high voltage parts nothing after high-voltage interlocking
High voltage.
For electrokinetic cell one-level thermal run away, instrument prompting electrokinetic cell one-level thermal run away relevant information.
For electrokinetic cell two level thermal run away, instrument prompting electrokinetic cell two level thermal run away relevant information.
For the complete electric discharge of electrokinetic cell, after input power battery cell voltage is 2.4v information, entire car controller
Cutoff high exports immediately.This, which is due to that electrokinetic cell is minimum, allows discharge voltage to be 2.5v.
Insulated for vehicle low, when insulation resistance value is less than 500 Ω/v, report remote terminal；When insulation resistance value is less than 100
During Ω/v, report remote terminal and forbid vehicle upper electric again or charge again.
Failure is protected for complete automobile collision, central collision reaches certain limit, main air bag for copilot ejection；Central collision, side impact
When causing the air bag to pop, high-pressure system automatically cuts off output；Collide rear vehicle automatic unlocking.
For lower electricity time-out, high pressure is not cut off yet after VCU receives lower electric signal 3s, and system is by automatic broken height pressure.
Abnormal for warning lamp, each warning lamp is lighted.
The vehicle abnormal function inspection system of the bright offer of the embodiment of the present invention, including：Vehicle abnormal function collector 401,
Test mode determining module 402, test case determining module 403, prediction module 404 and comparing module 405, due to prediction
The test case that module 404 obtains according to test case determining module 403, predict each vehicle abnormal function test case it is whole
Car reacts, rather than only predicts the reaction of the kernel component of correlation, therefore it is abnormal effectively to solve vehicle in the prior art
The problem of functional check is imperfect, and whole abnormal function check process can not be verified fully.Further, since test mode
Determining module 402 is used for the test mode for determining each vehicle abnormal function, and the test mode of each vehicle abnormal function includes three kinds,
Therefore a kind of most suitable test mode can be chosen from these three test modes, for example, use can realize vehicle exception work(
The most simple or minimum cost test mode of the inspection of energy：The convenient degree ＞ vehicles of the convenient degree ＞ softwares simulation of manual operation
The convenient degree of verification experimental verification.It so can effectively lift the convenience of inspection.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Point mutually referring to.For system embodiment, because it is substantially similar to embodiment of the method, so describing
Fairly simple, the relevent part can refer to the partial explaination of embodiments of method.System embodiment described above is only to show
Meaning property, wherein the unit illustrated as separating component can be or may not be it is physically separate, as list
The part of member display can be or may not be physical location, you can with positioned at a place, or can also be distributed to
On multiple artificial windows.Some or all of module therein can be selected to realize this embodiment scheme according to the actual needs
Purpose.Those of ordinary skill in the art are without creative efforts, you can to understand and implement.
The embodiment of the present invention is described in detail above, embodiment used herein is carried out to the present invention
Illustrate, the explanation of above example is only intended to help to understand method and system of the invention；Meanwhile for the one of this area
As technical staff, according to the thought of the present invention, there will be changes in specific embodiments and applications, to sum up institute
State, this specification content should not be construed as limiting the invention.
Claims (10)
- A kind of 1. vehicle abnormal function inspection method, it is characterised in that including：Collect vehicle abnormal function；The test mode of each vehicle abnormal function is determined, the test mode includes：Manual operation, software simulation or vehicle examination Checking；The test for determining each vehicle abnormal function according to the test mode of each vehicle abnormal function and each vehicle abnormal function is used Example；Predict the vehicle reaction of the test case of each vehicle abnormal function；Tested using the test case of each vehicle abnormal function, test result and the reaction of the vehicle of prediction be compared, If comparison result is consistent, vehicle abnormal function passes through inspection.
- 2. according to the method for claim 1, it is characterised in that the vehicle abnormal function include it is following any one or it is more Kind：ABS-system fault, vehicle insulation low, complete automobile collision protection failure, warning lamp are abnormal.
- 3. according to the method for claim 2, it is characterised in that automobile is pure electric automobile, and the vehicle abnormal function is also Including it is following any one or more：Maloperation touching high pressure, electrokinetic cell one-level thermal run away, electrokinetic cell two level thermal run away, electrokinetic cell discharge completely, under Electric time-out.
- 4. according to the method for claim 3, it is characterised in that the test case includes：For ABS-system fault, under vehicle power-down state, abs sensor connector is pulled out, whole vehicle state is observed after upper electricity；High pressure is touched for maloperation, vehicle is adjusted into supreme electric " READY " state, air-conditioning is closed, pulls up in high-voltage connecting line box High input voltage connector, monitor high pressure main relay state；For electrokinetic cell one-level thermal run away, vehicle is adjusted into supreme electric " READY " state, 2s is simulated by battery management system Interior battery cell voltage decrease beyond 400mv operating mode, observes whole vehicle state；For electrokinetic cell two level thermal run away, battery cell voltage in 2s is simulated by battery management system and decrease beyond 400mv, And monomer maximum temperature is more than 100 DEG C；For the complete electric discharge of electrokinetic cell, vehicle is adjusted into supreme electric " READY " state, air-conditioning is opened, selects heating mode, so Battery cell voltage is placed in by 2.4v by battery management system afterwards, simulated battery monomer is under-voltage, observes air conditioning condition；Insulated for vehicle low, carry out experiment of paddling；Failure is protected for complete automobile collision, carries out complete automobile collision experiment；For lower electricity time-out, by software fault injection mode, high pressure is not cut off yet after simulation VCU receives lower electric signal 3s；It is abnormal for warning lamp, including it is following any one or more：For limiting power indicator lamp, drive vehicle and discharged to electrokinetic cell, until battery SOC is less than 15%；For electrical fault warning lamp, the 23p connectors on PCU are pulled up under power-down state；For VSP warning lamps, the connector of VSP loudspeaker is pulled up；For ABS-system fault warning lamp, abs sensor connector is pulled up；For brake fault warning lamp, abs sensor connector is pulled up；For electric boosting steering system warning lamp, the torque signal sensor plug-in part of steering is pulled up；For air bag warning lamp, under power-down state, the main gasbag wire harness below steering wheel loudspeaker lid is pulled up.
- 5. according to the method for claim 4, it is characterised in that the vehicle reaction of the prediction includes：For ABS-system fault, ABS-system fault warning lamp is lighted；High pressure is touched for maloperation, high-voltage interlocking between parts, the surfaces of high voltage parts is after high-voltage interlocking without high electricity Pressure；For electrokinetic cell one-level thermal run away, instrument prompting electrokinetic cell one-level thermal run away relevant information；For electrokinetic cell two level thermal run away, instrument prompting electrokinetic cell two level thermal run away relevant information；For the complete electric discharge of electrokinetic cell, after input power battery cell voltage is 2.4v information, entire car controller is immediately Cutoff high exports；Insulated for vehicle low, when insulation resistance value is less than 500 Ω/v, report remote terminal；When insulation resistance value is less than 100 Ω/v When, report remote terminal and forbid vehicle upper electric again or charge again；Failure is protected for complete automobile collision, central collision reaches certain limit, main air bag for copilot ejection；Central collision, side impact cause When air bag pops, high-pressure system automatically cuts off output；Collide rear vehicle automatic unlocking；For lower electricity time-out, high pressure is not cut off yet after VCU receives lower electric signal 3s, and system is by automatic broken height pressure；Abnormal for warning lamp, each warning lamp is lighted.
- 6. according to the method for claim 1, it is characterised in that the test mode bag for determining each vehicle abnormal function Include：Judge whether vehicle abnormal function to be determined can be formed by manual operation mode, if it is, using manual operation side Formula is checked；If it is not, then judge whether vehicle abnormal function to be determined can be formed by software analog form, if it is, using soft Part analog form is checked；If it is not, then judge whether vehicle abnormal function to be determined can be formed by complete vehicle test verification mode, if it is, adopting Checked with complete vehicle test verification mode.
- A kind of 7. vehicle abnormal function inspection system, it is characterised in that including：Vehicle abnormal function collector, for collecting vehicle abnormal function；Test mode determining module, for determining the test mode of each vehicle abnormal function, the test mode includes：Artificial behaviour Make, software simulation or complete vehicle test are verified；Test case determining module, it is each for being determined according to the test mode of each vehicle abnormal function and each vehicle abnormal function The test case of vehicle abnormal function；Prediction module, the vehicle reaction of the test case for predicting each vehicle abnormal function；Comparing module, for being tested using the test case of each vehicle abnormal function, to test result and the vehicle of prediction Reaction is compared, if comparison result is consistent, vehicle abnormal function passes through inspection.
- 8. system according to claim 7, it is characterised in that the vehicle abnormal function include it is following any one or it is more Kind：ABS-system fault, vehicle insulation low, complete automobile collision protection failure, warning lamp are abnormal；OrAutomobile is pure electric automobile, the vehicle abnormal function include it is following any one or more：ABS-system fault, vehicle insulation Low, complete automobile collision protection failure, maloperation touching high pressure, electrokinetic cell one-level thermal run away, electrokinetic cell two level thermal run away, power Battery discharges completely, lower electricity time-out.
- 9. system according to claim 8, it is characterised in that the system also includes：Memory module, it is described for storing Test case, wherein, the test case includes：For ABS-system fault, under vehicle power-down state, abs sensor connector is pulled out, whole vehicle state is observed after upper electricity；High pressure is touched for maloperation, vehicle is adjusted into supreme electric " READY " state, air-conditioning is closed, pulls up in high-voltage connecting line box High input voltage connector, monitor high pressure main relay state；For electrokinetic cell one-level thermal run away, vehicle is adjusted into supreme electric " READY " state, 2s is simulated by battery management system Interior battery cell voltage decrease beyond 400mv operating mode, observes whole vehicle state；For electrokinetic cell two level thermal run away, battery cell voltage in 2s is simulated by battery management system and decrease beyond 400mv, And monomer maximum temperature is more than 100 DEG C；For the complete electric discharge of electrokinetic cell, vehicle is adjusted into supreme electric " READY " state, air-conditioning is opened, selects heating mode, so Battery cell voltage is placed in by 2.4v by battery management system afterwards, simulated battery monomer is under-voltage, observes air conditioning condition；Insulated for vehicle low, carry out experiment of paddling；Failure is protected for complete automobile collision, carries out complete automobile collision experiment；For lower electricity time-out, by software fault injection mode, high pressure is not cut off yet after simulation VCU receives lower electric signal 3s；It is abnormal for warning lamp, including it is following any one or more：For limiting power indicator lamp, drive vehicle and discharged to electrokinetic cell, until battery SOC is less than 15%；For electrical fault warning lamp, the 23p connectors on PCU are pulled up under power-down state；For VSP warning lamps, the connector of VSP loudspeaker is pulled up；For ABS-system fault warning lamp, abs sensor connector is pulled up；For brake fault warning lamp, abs sensor connector is pulled up；For electric boosting steering system warning lamp, the torque signal sensor plug-in part of steering is pulled up；For air bag warning lamp, under power-down state, the main gasbag wire harness below steering wheel loudspeaker lid is pulled up.
- 10. system according to claim 9, it is characterised in that the memory module is additionally operable to store the whole of the prediction Car reacts, wherein, the vehicle reaction of the prediction includes：For ABS-system fault, ABS-system fault warning lamp is lighted；High pressure is touched for maloperation, high-voltage interlocking between parts, the surfaces of high voltage parts is after high-voltage interlocking without high electricity Pressure；For electrokinetic cell one-level thermal run away, instrument prompting electrokinetic cell one-level thermal run away relevant information；For electrokinetic cell two level thermal run away, instrument prompting electrokinetic cell two level thermal run away relevant information；For the complete electric discharge of electrokinetic cell, after input power battery cell voltage is 2.4v information, entire car controller is immediately Cutoff high exports；Insulated for vehicle low, when insulation resistance value is less than 500 Ω/v, report remote terminal；When insulation resistance value is less than 100 Ω/v When, report remote terminal and forbid vehicle upper electric again or charge again；Failure is protected for complete automobile collision, central collision reaches certain limit, main air bag for copilot ejection；Central collision, side impact cause When air bag pops, high-pressure system automatically cuts off output；Collide rear vehicle automatic unlocking；For lower electricity time-out, high pressure is not cut off yet after VCU receives lower electric signal 3s, and system is by automatic broken height pressure；Abnormal for warning lamp, each warning lamp is lighted.
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| WO2021170047A1 (en) * | 2020-02-26 | 2021-09-02 | 比亚迪股份有限公司 | Electric motor control system and vehicle |
| CN114545894A (en) * | 2022-01-19 | 2022-05-27 | 东风汽车集团股份有限公司 | Whole vehicle function safety testing method and testing system |
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