CN106502236B - BCM multimachine automatization test system and method - Google Patents
BCM multimachine automatization test system and method Download PDFInfo
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- CN106502236B CN106502236B CN201610954523.9A CN201610954523A CN106502236B CN 106502236 B CN106502236 B CN 106502236B CN 201610954523 A CN201610954523 A CN 201610954523A CN 106502236 B CN106502236 B CN 106502236B
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
Abstract
A kind of BCM multimachine automatization test system, comprising: power supply, controller module, electronic control module and indicating module, CAN module, I/O test module, load blocks, RF test module, USB/CAN tool, host computer；Controller module distributes to test product for powering to test product in BCM, by the address products C AN of host computer transmission, product IDs；Electronic control module and indicating module are for controlling test product power on/off and instruction test result in BCM；CAN module is used to transmit CAN formatted data by CAN bus；I/O test module is for testing the I/O interface of test product in BCM；Load blocks are used to test the port driving load of test product in BCM；RF test module is for testing the reception of the high frequency section data of test product and demodulation function in BCM；USB/CAN tool is for mutually converting CAN formatted data and mechanized data.
Description
Technical field
The present invention relates to the test macro technical field of automobile function, in particular to a kind of BCM multimachine automatic test system
System and method.
Background technique
Body control system (BCM) is for realizing the hommization to vehicle body electrical appliance, comfort and Partial security control
The system of system is related to vehicle anti-theft, indoor lamp, power windows, glass defrosting, scrapes water, central controlled lock, remote control, turn signal, front and back group
Close the control of lamp, front and back fog lamp, loudspeaker, skylight, seat, rearview mirror, CAN and LIN network communication etc..
The method that current some companies are surveyed certainly using manual testing and computer.Time-consuming for the method for manual testing, to skilled
Degree also requires, and accuracy and quality cannot be guaranteed.Computer increases from the method surveyed, accuracy than manual test, but
It is the test for being all based on single product.
Summary of the invention
Therefore, it is necessary to provide a kind of measuring accuracy height, the BCM multimachine automatization test system that simple multimachine is write with a brush dipped in Chinese ink is realized
And method.
A kind of BCM multimachine automatization test system comprising such as lower component:
Power supply, controller module, electronic control module and indicating module, CAN module, I/O test module, load blocks, RF are surveyed
Die trial block, USB/CAN tool, host computer；
Controller module is surveyed with CAN module, I/O test module, electronic control module and indicating module, load blocks, RF simultaneously
Die trial block, power electric connection；I/O test module is connected with the I/O interface of all test products of BCM；Load blocks and BCM's
The output interface of all test products is connected；CAN module while the CAN interface with all test products of BCM, USB/CAN work
Tool is connected；USB/CAN tool is connected with host computer simultaneously；
Power supply is used to power to controller module, electronic control module and indicating module；
Controller module is for powering to test product in BCM, by the address products C AN of host computer transmission, product IDs point
Dispensing test product；
Electronic control module and indicating module are for controlling test product power on/off and instruction test result in BCM；
CAN module is used to transmit CAN formatted data by CAN bus；
I/O test module is for testing the I/O interface of test product in BCM；
Load blocks are used to test the port driving load of test product in BCM；
RF test module is for testing the reception of the high frequency section data of test product and demodulation function in BCM；
USB/CAN tool is for mutually converting CAN formatted data and mechanized data；
Host computer is used to distribute the address products C AN, the product IDs of test product in BCM, for control CAN module allow or
Forbid receiving and dispatching message, for controlling I/O test module, RF test module, load blocks starting test, is also used to read, record
It analyzes and shows test result.
The present invention also provides a kind of BCM multimachine automated testing methods, pass through above-mentioned BCM multimachine automatic test system
System is realized, which comprises the steps of:
S1, power supply are powered to controller module, electronic control module and indicating module；
S2, controller module are powered by electronic control module and indicating module to test product in BCM, and to all tested productions
Product distribute the address products C AN, product IDs；
S3, I/O test, load testing, RF test are carried out to test product in BCM, and anti-to host computer by CAN bus
Test result is presented, the test mode of each product is recorded and analyzed and shown by host computer.
In BCM multimachine automated testing method of the present invention,
The step S2 includes:
S201, controller module by electronic control module and indicating module to first product power supply in BCM, host computer and the
One product carries out CAN communication, if communicated successfully, distributes the address CAN, product IDs to first product；If communication
Failure time-out then stops powering to first product, and indicates this product failure；
S202, it powers to next product, such as communicates successfully, distribute the address CAN, product IDs to the product, otherwise
Stop powering to the product, and indicate the product failure, until all product distribution addresses finish；
S203, when first product obtains the product IDs of current CAN, host computer can send Communication Control order, allow to connect
It receives CAN formatted data but forbids sending CAN formatted data；Hereafter, it powers to next product, and distributes product IDs, when it
After ID is allocated successfully, Communication Control order equally can be also sent, in this way until all product IDs are allocated successfully；All products
ID is different；
S204, all products ID be allocated successfully after, hereafter host computer send Communication Control order, allow receive and send out
Send CAN formatted data.
In BCM multimachine automated testing method of the present invention, controller module passes through automatically controlled in the step S2
Module and indicating module carry out CAN communication with first product to first product power supply, host computer in BCM, if communicate at
Function distributes the address CAN to first product；If communication failure is overtime, stop powering to first product, and indicate
This product failure includes:
S21, controller module are by electronic control module and indicating module to first product power supply in BCM；
S22, host computer send the communication test data of CAN format to first product；
S23, host computer and the response data for judging whether to receive first product, step S24 is jumped to when receiving；?
S28 is jumped to when not receiving；
S24, access test pattern；
S25, judge whether access succeeds, in success, jump to step S26；When failed, step S29 is jumped to；
S26, one address CAN of distribution, product IDs give first product；
S27, judge whether to be allocated successfully, jump to S211 in success；Step S210 is jumped to when failed；
S28, count pick up device add 1, judge whether count pick up device is more than that default first numerical value is jumped when being less than
To step S22；Step S212 is jumped to when being more than；
S29, access counter add 1, judge whether access counter is more than default second value, when being less than, is jumped
To step S26；Step S212 is jumped to when being more than；
S210, distribution counting device add 1, judge whether distribution counting device is more than default third value, when being less than, is jumped
To step S211；Step S212 is jumped to when being more than；
S211, step S202 is jumped to；
S212, first product is powered off, and failure is indicated by LED light in electronic control module and indicating module.
In BCM multimachine automated testing method of the present invention,
Carrying out I/O test to test product in BCM in the step S3 includes:
S31a, I/O test module issue a trigger pulse, host computer to first port I/O of all test products
Whether the output electric current for sending first port I/O that product is read in order is normal；When output electric current is normal, step is jumped to
S32a jumps to step S33a when output electric current is abnormal；
S32a, the test data and comparative analysis data for reading product, judge whether data are normal, jump to when normal
S36a carries out indicating fault by electronic control module and indicating module when abnormal and powers off；
S33a, all products are powered off, first product is powered later, into single machine test mode；
Whether S34a, analysis test data are normal, and step S35a is jumped to when normal；Pass through automatically controlled mould when abnormal
Block and indicating module carry out indicating fault and power off；
S35a, next product is powered, into single machine test mode and repeats step S34a until all
Product test finishes, and jumps to step S36a after testing；
S36a, next I/O port test is carried out.
In BCM multimachine automated testing method of the present invention,
Carrying out load testing to test product in BCM in the step S3 includes:
S31b, first product is powered；
S32b, into single machine load drive mode, before reading product for the driving of first load driving test item
With size of current data after driving, and judge whether driving current is normal, step S33b is jumped to when normal；When abnormal
Indicating fault is carried out by electronic control module and indicating module and is powered off；
S33b, step S32b is repeated until all load terms are completed, and jump to step S34b；
S34b, next product is powered, and repeats step S32b, S33b until all product tests are complete
Finish.
In BCM multimachine automated testing method of the present invention,
Carrying out RF test to test product in BCM in the step S3 includes:
RF test module sends high-frequency signal to each test product；
Host computer sends the signal data, high frequency signal data order after reading demodulation, and each test product passes through CAN bus to host computer
Return to the signal data, high frequency signal data of demodulation；
Each product of upper computer software comparative analysis returns to the signal data, high frequency signal data after demodulation, if the number that a certain product returns
According to problematic, stop powering to the product, and carry out LED failure instruction by electronic control module and indicating module, and in host computer
Software shows the unqualified result of corresponding project testing.
Implement BCM multimachine automatization test system provided by the invention and method have compared with prior art it is beneficial below
Effect: the present invention can be realized 1. 1 test macros and test multiple products；2. the survey that each product assigns different CAN
Try ID；3. the information of the program containing test is issued each product by CAN bus, test is completed；4. product will be to test letter
The result of breath feeds back to host computer by CAN；5. the test mode (OK, NG) of each product record and analyze aobvious by host computer
Show.
Detailed description of the invention
Fig. 1 is the structural block diagram of the BCM multimachine automatization test system of the embodiment of the present invention.
Specific embodiment
As shown in Figure 1, a kind of BCM multimachine automatization test system comprising such as lower component:
Power supply, controller module, electronic control module and indicating module, CAN module, I/O test module, load blocks, RF are surveyed
Die trial block, USB/CAN tool, host computer；
Controller module is surveyed with CAN module, I/O test module, electronic control module and indicating module, load blocks, RF simultaneously
Die trial block, power electric connection；I/O test module is connected with the I/O interface of all test products of BCM；Load blocks and BCM's
The output interface of all test products is connected；CAN module while the CAN interface with all test products of BCM, USB/CAN work
Tool is connected；USB/CAN tool is connected with host computer simultaneously；
Power supply is used to power to controller module, electronic control module and indicating module；
Controller module is for powering to test product in BCM, by the address products C AN of host computer transmission, product IDs point
Dispensing test product；
Electronic control module and indicating module are for controlling test product power on/off and instruction test result in BCM；
CAN module is used to transmit CAN formatted data by CAN bus；
I/O test module is for testing the I/O interface of test product in BCM；
Load blocks are used to test the port driving load of test product in BCM；
RF test module is for testing the reception of the high frequency section data of test product and demodulation function in BCM；
USB/CAN tool is for mutually converting CAN formatted data and mechanized data；
Host computer is used to distribute the address products C AN, the product IDs of test product in BCM, for control CAN module allow or
Forbid receiving and dispatching message, for controlling I/O test module, RF test module, load blocks starting test, is also used to read, record
It analyzes and shows test result.
The present invention also provides a kind of BCM multimachine automated testing methods, pass through above-mentioned BCM multimachine automatic test system
System is realized, which comprises the steps of:
S1, power supply are powered to controller module, electronic control module and indicating module；
S2, controller module are powered by electronic control module and indicating module to test product in BCM, and to all tested productions
Product distribute the address products C AN, product IDs；
S3, I/O test, load testing, RF test are carried out to test product in BCM, and anti-to host computer by CAN bus
Test result is presented, the test mode of each product is recorded and analyzed and shown by host computer.
In BCM multimachine automated testing method of the present invention,
The step S2 includes:
S201, controller module by electronic control module and indicating module to first product power supply in BCM, host computer and the
One product carries out CAN communication, if communicated successfully, distributes the address CAN, product IDs to first product；If communication
Failure time-out then stops powering to first product, and indicates this product failure；
S202, it powers to next product, such as communicates successfully, distribute the address CAN, product IDs to the product, otherwise
Stop powering to the product, and indicate the product failure, until all product distribution addresses finish；
S203, when first product obtains the product IDs of current CAN, host computer can send Communication Control order, allow to connect
It receives CAN formatted data but forbids sending CAN formatted data；Hereafter, it powers to next product, and distributes product IDs, when it
After ID is allocated successfully, Communication Control order equally can be also sent, in this way until all product IDs are allocated successfully；All products
ID is different；
S204, all products ID be allocated successfully after, hereafter host computer send Communication Control order, allow receive and send out
Send CAN formatted data.
In BCM multimachine automated testing method of the present invention, controller module passes through automatically controlled in the step S2
Module and indicating module carry out CAN communication with first product to first product power supply, host computer in BCM, if communicate at
Function distributes the address CAN to first product；If communication failure is overtime, stop powering to first product, and indicate
This product failure includes:
S21, controller module are by electronic control module and indicating module to first product power supply in BCM；
S22, host computer send the communication test data of CAN format to first product；
S23, host computer and the response data for judging whether to receive first product, step S24 is jumped to when receiving；?
S28 is jumped to when not receiving；
S24, access test pattern；
S25, judge whether access succeeds, in success, jump to step S26；When failed, step S29 is jumped to；
S26, one address CAN of distribution, product IDs give first product；
S27, judge whether to be allocated successfully, jump to S211 in success；Step S210 is jumped to when failed；
S28, count pick up device add 1, judge whether count pick up device is more than that default first numerical value is jumped when being less than
To step S22；Step S212 is jumped to when being more than；
S29, access counter add 1, judge whether access counter is more than default second value, when being less than, is jumped
To step S26；Step S212 is jumped to when being more than；
S210, distribution counting device add 1, judge whether distribution counting device is more than default third value, when being less than, is jumped
To step S211；Step S212 is jumped to when being more than；
S211, step S202 is jumped to；
S212, first product is powered off, and failure is indicated by LED light in electronic control module and indicating module.
In BCM multimachine automated testing method of the present invention,
Carrying out I/O test to test product in BCM in the step S3 includes:
S31a, I/O test module issue a trigger pulse, host computer to first port I/O of all test products
Whether the output electric current for sending first port I/O that product is read in order is normal；When output electric current is normal, step is jumped to
S32a jumps to step S33a when output electric current is abnormal；
S32a, the test data and comparative analysis data for reading product, judge whether data are normal, jump to when normal
S36a carries out indicating fault by electronic control module and indicating module when abnormal and powers off；
S33a, all products are powered off, first product is powered later, into single machine test mode；
Whether S34a, analysis test data are normal, and step S35a is jumped to when normal；Pass through automatically controlled mould when abnormal
Block and indicating module carry out indicating fault and power off；
S35a, next product is powered, into single machine test mode and repeats step S34a until all
Product test finishes, and jumps to step S36a after testing；
S36a, next I/O port test is carried out.
When certain Single port of test product, since this port of all products is connected with together, I/O is needed
Test module gives a trigger pulse in this port, and the test result of product feedback is then read by CAN.
1, I/O test module gives a trigger pulse.
2, host computer sends the test result that all products are read in order.
3, before all products by CAN return to test data as a result, wherein test data result includes triggering, when triggering and
Trigger the state that rear port is read.
4, upper computer software analyzes each product and returns to test data as a result, if before triggering, when triggering and after triggering
If state is the same, then show that this port is problematic, upper computer software can send and cease and desist order, which can break
Electricity, LED failure instruction, and upper computer software is shown above in which test crash.
If 5, there is a short circuit phenomenon in some port of one of product, I/O test module to trigger pulse when
It waits, while also diagnosing this part output circuit, when the phenomenon that discovery has short circuit current excessive, can stop exporting.Hereafter, institute is disconnected
There is the power supply of product, into product single machine test mode.Under single machine test mode, individually to product 1 power, product 1 this
After port test, it can power and be tested to product 2, successively be powered in this way, this port test finishes until all products.
In BCM multimachine automated testing method of the present invention,
Carrying out load testing to test product in BCM in the step S3 includes:
S31b, first product is powered；
S32b, into single machine load drive mode, before reading product for the driving of first load driving test item
With size of current data after driving, and judge whether driving current is normal, step S33b is jumped to when normal；When abnormal
Indicating fault is carried out by electronic control module and indicating module and is powered off；
S33b, step S32b is repeated until all load terms are completed, and jump to step S34b；
S34b, next product is powered, and repeats step S32b, S33b until all product tests are complete
Finish.
When certain Single port of test product drives load, since this port of all products is connected with together
, need each product that load is operated alone, automatization test system reads the preceding size of current with after driving of driving.
1, product 1 is powered, and other products are not powered, and product 1 enters single machine load drive mode.
2, test macro read product 1 drive before and driving after size of current, if size of current normally if produced
The test of the next load terms of product 1；If size of current is abnormal, stop the power supply of product 1, LED failure indicates, and in host computer
Software shows that corresponding project testing is unqualified, starts to power to product 2.
3, it after all load testings of product 1, will power to product 2, product 2 enters single machine load drive mode.
If 2 a certain load testings of fruit product are unqualified, then stop the power supply of product 2, LED failure instruction, and show in upper computer software
Corresponding project testing is unqualified, starts to power to product 3.
4, until the load testing of all products finishes, the product of test failure can stop power supply and indicating fault.
In BCM multimachine automated testing method of the present invention,
Carrying out RF test to test product in BCM in the step S3 includes:
RF test module sends high-frequency signal to each test product；
Host computer sends the signal data, high frequency signal data order after reading demodulation, and each test product passes through CAN bus to host computer
Return to the signal data, high frequency signal data of demodulation；
Each product of upper computer software comparative analysis returns to the signal data, high frequency signal data after demodulation, if the number that a certain product returns
According to problematic, stop powering to the product, and carry out LED failure instruction by electronic control module and indicating module, and in host computer
Software shows the unqualified result of corresponding project testing.
The high frequency section of BCM product is generally responsible for reception and demodulation to data, does not send data externally.Therefore it automates
Test macro only needs to send a high-frequency signal, then reads the data of product demodulation.
The RF test module of automatization test system sends high-frequency signal.
Host computer sends the high-frequency data order after reading demodulation, and each product returns to the number of the high frequency of demodulation to CAN bus
According to.
Each product of upper computer software comparative analysis returns to the data after demodulation, if the data that a certain product returns are asked
Topic stops product power supply, LED failure instruction, and shows that corresponding project testing is unqualified in upper computer software.
Implement BCM multimachine automatization test system provided by the invention and method have compared with prior art it is beneficial below
Effect: the present invention can be realized 1. 1 test macros and test multiple products；2. the survey that each product assigns different CAN
Try ID；3. the information of the program containing test is issued each product by CAN bus, test is completed；4. product will be to test letter
The result of breath feeds back to host computer by CAN；5. the test mode (OK, NG) of each product record and analyze aobvious by host computer
Show.
It is understood that for those of ordinary skill in the art, can do in accordance with the technical idea of the present invention
Various other changes and modifications out, and all these changes and deformation all should belong to the protection model of the claims in the present invention
It encloses.
Claims (5)
1. a kind of BCM multimachine automatization test system, which is characterized in that it includes such as lower component:
Power supply, controller module, electronic control module and indicating module, CAN module, I/O test module, load blocks, RF test mould
Block, USB/CAN tool, host computer；
Controller module tests mould with CAN module, I/O test module, electronic control module and indicating module, load blocks, RF simultaneously
Block, power electric connection；I/O test module is connected with the I/O interface of all test products of BCM；Load blocks and BCM's is all
The output interface of test product is connected；CAN module while the CAN interface with all test products of BCM, USB/CAN tool phase
Even；USB/CAN tool is connected with host computer simultaneously；
Power supply is used to power to controller module, electronic control module and indicating module；
Controller module distributes to the address products C AN of host computer transmission, product IDs for powering to test product in BCM
Test product；
Electronic control module and indicating module are for controlling test product power on/off and instruction test result in BCM；
CAN module is used to transmit CAN formatted data by CAN bus；
I/O test module is for testing the I/O interface of test product in BCM；
Load blocks are used to test the port driving load of test product in BCM；
RF test module is for testing the reception of the high frequency section data of test product and demodulation function in BCM；
USB/CAN tool is for mutually converting CAN formatted data and mechanized data；
Host computer is used to distribute the address products C AN, the product IDs of test product in BCM, for controlling CAN module permission or forbidding
Message is received and dispatched, for controlling I/O test module, RF test module, load blocks starting test, is also used to read, record and analyze
And show test result；
The testing procedure of the BCM multimachine automatization test system is as follows:
S1, power supply are powered to controller module, electronic control module and indicating module；
S2, controller module are powered by electronic control module and indicating module to test product in BCM, and to all test products point
With the address products C AN, product IDs；
S3, I/O test, load testing, RF test are carried out to test product in BCM, and fed back and surveyed to host computer by CAN bus
The test mode of each product is recorded and analyzed and is shown by test result, host computer；
Wherein, the step S2 includes:
S201, controller module by electronic control module and indicating module to first product power supply in BCM, host computer and first
Product carries out CAN communication, if communicated successfully, distributes the address CAN, product IDs to first product；If communication failure
Time-out then stops powering to first product, and indicates this product failure；
S202, it powers to next product, such as communicates successfully, distribute the address CAN, product IDs to the product, otherwise stop
It powers to the product, and indicates the product failure, until all product distribution addresses finish；
S203, when first product obtains the product IDs of current CAN, host computer can send Communication Control order, allow receive CAN
Formatted data still forbids sending CAN formatted data；Hereafter, it powers to next product, and distributes product IDs, when its ID is distributed
After success, Communication Control order equally can be also sent, in this way until all product IDs are allocated successfully；The ID of all products is not
Together；
S204, all products ID be allocated successfully after, hereafter host computer send Communication Control order, allow to send and receive
CAN formatted data；
Controller module is by electronic control module and indicating module to first product power supply, host computer in BCM in the step S2
CAN communication is carried out with first product, if communicated successfully, distributes the address CAN to first product；If communication failure
Time-out then stops powering to first product, and indicates that this product failure includes:
S21, controller module are by electronic control module and indicating module to first product power supply in BCM；
S22, host computer send the communication test data of CAN format to first product；
S23, host computer and the response data for judging whether to receive first product, step S24 is jumped to when receiving；It is not receiving
Then jump to S28；
S24, access test pattern；
S25, judge whether access succeeds, in success, jump to step S26；When failed, step S29 is jumped to；
S26, one address CAN of distribution, product IDs give first product；
S27, judge whether to be allocated successfully, jump to S211 in success；Step S210 is jumped to when failed；
S28, count pick up device add 1, judge whether count pick up device is more than default first numerical value, when being less than, jumps to step
Rapid S22；Step S212 is jumped to when being more than；
S29, access counter add 1, judge whether access counter is more than default second value, when being less than, jump to step
Rapid S26；Step S212 is jumped to when being more than；
S210, distribution counting device add 1, judge whether distribution counting device is more than default third value, when being less than, jump to step
Rapid S211；Step S212 is jumped to when being more than；
S211, step S202 is jumped to；
S212, first product is powered off, and failure is indicated by LED light in electronic control module and indicating module.
2. a kind of BCM multimachine automated testing method passes through BCM multimachine automatization test system as described in claim 1
It realizes, which comprises the steps of:
S1, power supply are powered to controller module, electronic control module and indicating module；
S2, controller module are powered by electronic control module and indicating module to test product in BCM, and to all test products point
With the address products C AN, product IDs；
S3, I/O test, load testing, RF test are carried out to test product in BCM, and fed back and surveyed to host computer by CAN bus
The test mode of each product is recorded and analyzed and is shown by test result, host computer；
Wherein, the step S2 includes:
S201, controller module by electronic control module and indicating module to first product power supply in BCM, host computer and first
Product carries out CAN communication, if communicated successfully, distributes the address CAN, product IDs to first product；If communication failure
Time-out then stops powering to first product, and indicates this product failure；
S202, it powers to next product, such as communicates successfully, distribute the address CAN, product IDs to the product, otherwise stop
It powers to the product, and indicates the product failure, until all product distribution addresses finish；
S203, when first product obtains the product IDs of current CAN, host computer can send Communication Control order, allow receive CAN
Formatted data still forbids sending CAN formatted data；Hereafter, it powers to next product, and distributes product IDs, when its ID is distributed
After success, Communication Control order equally can be also sent, in this way until all product IDs are allocated successfully；The ID of all products is not
Together；
S204, all products ID be allocated successfully after, hereafter host computer send Communication Control order, allow to send and receive
CAN formatted data；
Controller module is by electronic control module and indicating module to first product power supply, host computer in BCM in the step S2
CAN communication is carried out with first product, if communicated successfully, distributes the address CAN to first product；If communication failure
Time-out then stops powering to first product, and indicates that this product failure includes:
S21, controller module are by electronic control module and indicating module to first product power supply in BCM；
S22, host computer send the communication test data of CAN format to first product；
S23, host computer and the response data for judging whether to receive first product, step S24 is jumped to when receiving；It is not receiving
Then jump to S28；
S24, access test pattern；
S25, judge whether access succeeds, in success, jump to step S26；When failed, step S29 is jumped to；
S26, one address CAN of distribution, product IDs give first product；
S27, judge whether to be allocated successfully, jump to S211 in success；Step S210 is jumped to when failed；
S28, count pick up device add 1, judge whether count pick up device is more than default first numerical value, when being less than, jumps to step
Rapid S22；Step S212 is jumped to when being more than；
S29, access counter add 1, judge whether access counter is more than default second value, when being less than, jump to step
Rapid S26；Step S212 is jumped to when being more than；
S210, distribution counting device add 1, judge whether distribution counting device is more than default third value, when being less than, jump to step
Rapid S211；Step S212 is jumped to when being more than；
S211, step S202 is jumped to；
S212, first product is powered off, and failure is indicated by LED light in electronic control module and indicating module.
3. BCM multimachine automated testing method as claimed in claim 2, which is characterized in that
Carrying out I/O test to test product in BCM in the step S3 includes:
S31a, I/O test module issue a trigger pulse to first port I/O of all test products, and host computer is sent
Whether the output electric current that first port I/O of product is read in order is normal；When output electric current is normal, step is jumped to
S32a jumps to step S33a when output electric current is abnormal；
S32a, the test data and comparative analysis data for reading product, judge whether data are normal, jump to when normal
S36a carries out indicating fault by electronic control module and indicating module when abnormal and powers off；
S33a, all products are powered off, first product is powered later, into single machine test mode；
Whether S34a, analysis test data are normal, and step S35a is jumped to when normal；When abnormal by electronic control module and
Indicating module carries out indicating fault and powers off；
S35a, next product is powered, into single machine test mode and repeats step S34a until all products
It is completed, jumps to step S36a after testing；
S36a, next I/O port test is carried out.
4. BCM multimachine automated testing method as claimed in claim 2, which is characterized in that
Carrying out load testing to test product in BCM in the step S3 includes:
S31b, first product is powered；
S32b, into single machine load drive mode, read product for before the driving of first load driving test item with drive
Size of current data after dynamic, and judge whether driving current is normal, step S33b is jumped to when normal；Pass through when abnormal
Electronic control module and indicating module carry out indicating fault and power off；
S33b, step S32b is repeated until all load terms are completed, and jump to step S34b；
S34b, next product is powered, and repeats step S32b, S33b until all product tests finish.
5. BCM multimachine automated testing method as claimed in claim 2, which is characterized in that
Carrying out RF test to test product in BCM in the step S3 includes:
RF test module sends high-frequency signal to each test product；
Host computer sends the signal data, high frequency signal data order after reading demodulation, and each test product is returned by CAN bus to host computer
The signal data, high frequency signal data of demodulation；
Each product of upper computer software comparative analysis returns to the signal data, high frequency signal data after demodulation, if the data that a certain product returns have
Problem stops powering to the product, and carries out LED failure instruction by electronic control module and indicating module, and in upper computer software
Show the unqualified result of corresponding project testing.
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| CN107452237A (en) * | 2017-06-15 | 2017-12-08 | 上海工程技术大学 | A kind of car body controller module experimental platform based on shared cloud |
| CN109342867A (en) * | 2018-09-03 | 2019-02-15 | 惠州市德赛西威智能交通技术研究院有限公司 | On-off electric test device |
| CN108924014B (en) * | 2018-09-11 | 2023-09-26 | 山东电工电气集团新能科技有限公司 | Test method of 4G wireless module test device of power system |
| CN112947354B (en) * | 2020-07-22 | 2022-10-18 | 青岛胶州海尔智控电子有限公司 | Universal test system and test method |
| CN113434850A (en) * | 2021-07-22 | 2021-09-24 | 重庆金康赛力斯新能源汽车设计院有限公司 | Anti-theft authentication method and system |
| CN114374631A (en) * | 2022-01-05 | 2022-04-19 | 安波福电子(苏州)有限公司 | Test system for testing a plurality of devices under test |
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Address after: 430090 No. 499, Xingcheng Avenue, Shamao street, Wuhan Economic Development Zone (Hannan District), Hubei Province Patentee after: WUHAN AOZE ELECTRONICS CO.,LTD. Address before: 430090 No. 52, Baishazhou dihou street, Wuchang District, Wuhan City, Hubei Province (Building 2, Wuchang science and technology entrepreneurship center) Patentee before: WUHAN AOZE ELECTRONICS CO.,LTD. |