CN102200777B - Performance monitoring method for new energy vehicle controller verification test - Google Patents
Performance monitoring method for new energy vehicle controller verification test Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 55
- 238000012360 testing method Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title claims abstract description 33
- 238000012795 verification Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims abstract description 44
- 238000012790 confirmation Methods 0.000 claims abstract description 11
- 238000005070 sampling Methods 0.000 claims abstract description 8
- 238000004088 simulation Methods 0.000 claims description 8
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- 230000007613 environmental effect Effects 0.000 description 4
- 230000001351 cycling effect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
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Abstract
The invention discloses a performance monitoring method for new energy vehicle controller verification test. The technical scheme of the invention is as follows: a control box controller by a host computer controls a resource distribution box to monitor the performance of a plurality of detected samples to realize polling sampling, monitoring, recording and storage; the polling sampling and monitoring comprises the following steps: when carrying out performance monitoring, the host computer controls the module in the control box, connects the corresponding channel change over switch in the resource distribution box and the channels of a first detected sample through outputting corresponding digital quantity, and emits communication to read the state of the channels of the first detected sample to complete determination and confirmation; the host computer repeats the above step to complete the connection of each channel of the first detected sample in order and completes the corresponding determination and confirmation; the host computer repeats the above step to complete the monitoring of a second detected sample until the completion of the monitoring of m detected sample; in the process of polling monitoring, the record and storage of the data is realized through the automatic control of the host computer.
Description
Technical field
The present invention relates to a kind of performance monitoring method of entire car controller demonstration test of new-energy city bus, relate in particular to the performance monitoring method of the entire car controller exploitation demonstration test of a kind of pure electric coach, super capacitor passenger vehicle, fuel battery passenger car and hybrid power passenger car.
Background technology
The new forms of energy scheme of passenger vehicle mainly contains alternate fuel scheme, pure electric automobile (EV) scheme, FC-EV (FCEV) scheme and hybrid power scheme at present, and new forms of energy vehicle is many, corresponding entire car controller development task weight.The exploitation of new energy vehicle controller is a very complicated process, in the process of exploitation, need to experience various environmental test checkings, as temperature cycling test, temperature shock test, temperature/humidity test, hot test, vibration test etc., in verification experimental verification process, need entire car controller to carry out whole process supervision, so that the performance of the performance to entire car controller in whole demonstration test process is assessed, to reach the object of entire car controller demonstration test, improve product reliability.
In new energy vehicle controller performance history, prior art has two kinds of ways for the performance monitoring method in demonstration test process.Way is conventionally the sample in demonstration test process not to be carried out to a performance monitoring, and is only to carry out Performance Detection to testing forward and backward sample; For long demonstration test project, there is very large risk in this way, because a lot of, lost efficacy and occurred in demonstration test process discontinuous, and in the forward and backward performance of testing not out; As in vibratory test process, easily there is the intermittent loose contact of connector, and test during forward and backward detection without any inefficacy.
Another kind of way is, in demonstration test process, sample is carried out to real-time performance monitoring, and each sample needs a set of monitoring equipment, comprises host computer, control enclosure, load box etc., because each environmental test project need to be tested a plurality of samples (being generally six or more) conventionally, therefore, complete a pilot project, the test of all samples can be carried out to serial arrangement, first finish the test of a sample, again another sample is carried out to same test, the result of doing is like this all samples to be completed to a test need to expend long time and resource, because test was collected the charges according to the time, as: endurancing needs the time of one and a half months conventionally, if six sample serials are tested, approximately need the time of nine months, another kind of way is that all samples are tested simultaneously, and carry out parallel monitoring, but need to prepare many cover monitoring equipments simultaneously, the result of doing is like this that the expense of monitoring equipment is very high, simultaneously because many cover monitoring equipments are worked simultaneously, also very high to the SITE AND SPACE REQUIREMENTS of test.
Summary of the invention
The object of the present invention is to provide a kind of performance monitoring method for new energy vehicle controller verification test, this monitoring method can allow all samples share a set of demonstration test performance monitoring system, thus the object that reaches saving resource, reduces costs.
To achieve these goals, the present invention adopts following technical scheme:
A performance monitoring method for new energy vehicle controller verification test, described monitoring method is by PC control control enclosure, control enclosure is controlled resource distributor disk the performance of several samples is monitored, and can realize poll sampling, monitoring, record storage;
Described control enclosure is comprised of a plurality of control modules, comprises analog quantity generation module, pwm signal generation module, digital quantity input module, digital output module, communication module, and communication module comprises CAN module and 485 modules;
Described resource distributor disk is comprised of a plurality of passage change-over switches, comprises digital high input channel change-over switch, digital low input channel change-over switch, digital high output channel change-over switch, digital low output channel change-over switch, PWM input channel change-over switch, PWM output channel change-over switch, communication port switch, simulates high output channel change-over switch, simulates low output channel change-over switch;
Each sample has a plurality of dissimilar inputs, output channel, and the passage of the first sample comprises: the high input of numeral, digital low input, the high output of numeral, the low output of numeral, PWM input channel, PWM output channel, communication port, the high output of simulation, simulates low output; Second input of sample to a m sample is, the type of output channel is identical with the first sample with number;
The described step that realizes poll sampling, monitors is as follows:
When carrying out performance monitoring, first, digital quantity input module in PC control control enclosure, by exporting corresponding digital quantity, 1 passage of the high input channel change-over switch of numeral of resource distributor disk and the high input channel of numeral (IH1) of the first sample are connected, host computer sends the high input channel 1(IH1 of numeral that the first sample is read in communication) state, and complete judgement and confirm;
The second, repeating step one, completes successively to the high input channel n(IHn of the numeral of the first sample) state, and complete corresponding judgement and confirmation;
The 3rd, digital quantity input module in PC control control enclosure, by exporting corresponding digital quantity, 1 passage of the low input channel change-over switch of numeral of resource distributor disk and the low input channel of numeral (IL1) of the first sample are connected, host computer sends the low input channel 1(IL1 of numeral that the first sample is read in communication) state, and complete judgement and confirm;
The 4th, repeating step three, completes successively to the low input channel n(ILn of the numeral of the first sample) state, and complete corresponding judgement and confirmation;
The 5th, repeating step three, step 4, digital output module in PC control control enclosure, pwm signal generation module, CAN communication module, analog quantity generation module, by exporting corresponding digital quantity, make the high output channel change-over switch of numeral of resource distributor disk, the low output channel change-over switch of numeral, PWM input channel change-over switch, PWM output channel change-over switch, communication port switch, simulate high output channel change-over switch, 1 to the n passage of simulating low output channel change-over switch respectively successively with the high output of the numeral (OH1 of the first sample of correspondence, OH2 ... OHn), low output (the OL1 of numeral, OL2 ... OLn), PWM input channel, PWM output channel, communication port (COM1, COM2 ... COMn), the high output of simulation (MH1, MH2 ... MHn), simulate low output (ML1, ML2, MLn) connect, host computer sends the state that the respective channel of the first sample is read in communication, complete corresponding judgement and confirmation, thereby complete the monitoring to the first sample,
The 6th, repeating step one is to step 5, to the second sample, the 3rd sample until m sample monitored; Complete one-period;
The 7th, again carry out poll and monitor first sample to a m sample, constantly repeated next cycle;
In poll observation process, by the automatic control of host computer, realize record and the storage of data.
In described control enclosure, also comprise GPIB module, direct supply provides power supply for resource distributor disk, sample and load box; In described step 5, host computer is controlled direct supply by the GPIB module of controlling in control enclosure, and desk-top multimeter is sampled to direct supply by GPIB module, thereby completes the monitoring to sample.
Described host computer sends the channel status that sample is read in communication, complete judgement and be confirmed to be and realize by desk-top multimeter, that is: the module in PC control control enclosure, by exporting corresponding digital quantity, the respective channel change-over switch of resource distributor disk and the passage of sample are connected, host computer sends communication, make sample input corresponding level signal, desk-top multimeter is connected on tested passage by passage change-over switch, carrys out the level of recording channel; Meanwhile, host computer completes checking by reading the level state of the passage of sample.
The mode that the present invention is sampled, monitored by poll allows all samples share a set of tester for verification test of new energy whole vehicle controller performance monitoring system, and in poll observation process, by the automatic control of host computer, realize record and the storage of data, thereby the object that reach saving resource, reduces costs, is particularly useful for the pilot project that environmental test etc. need to longer test period.
Performance monitoring method for new energy vehicle controller verification test of the present invention can monitoring of environmental be tested, as: the performance of the middle test specimen of temperature cycling test, temperature shock test, temperature/humidity test, hot test, vibration test etc., can carry out poll performance monitoring and record actual test mode a plurality of samples, by helping slip-stick artist judge the success or failure of test and improve targetedly to the data analysis of record, avoid the generation of quality accident.
Accompanying drawing explanation
Fig. 1 is the performance monitoring system structural representation of performance monitoring method for new energy vehicle controller verification test of the present invention;
Fig. 2 is that performance monitoring method for new energy vehicle controller verification test of the present invention is controlled schematic diagram.
In figure: the high input channel change-over switch of A numeral, the low input channel change-over switch of B numeral, the high output channel change-over switch of C numeral, the low output channel change-over switch of D numeral, E PWM input channel change-over switch, F PWM output channel change-over switch, G communication port switch, H simulates high output channel change-over switch, and I simulates low output channel change-over switch.
Embodiment
Below in conjunction with the drawings and specific embodiments, the invention will be further described.
Referring to Fig. 1, Fig. 2, a kind of performance monitoring method for new energy vehicle controller verification test, is by PC control control enclosure, and control enclosure is controlled resource distributor disk the performance of different samples is monitored, and can realize poll sampling, monitoring, record storage.
A kind of tester for verification test of new energy whole vehicle controller performance monitoring system is comprised of host computer, control enclosure, resource distributor disk, load box, direct supply and desk-top multimeter, can support a plurality of samples to carry out performance monitoring simultaneously.
Described control enclosure is comprised of a plurality of control modules, comprise analog quantity generation module, pwm signal generation module, digital quantity input module, digital output module, communication module, GPIB(General Purpose Interfaced Bus general purpose interface bus) module, communication module comprises CAN module and 485 modules;
Described resource distributor disk is comprised of a plurality of passage change-over switches, comprise digital high input channel change-over switch A, digital low input channel change-over switch B, digital high output channel change-over switch C, digital low output channel change-over switch D, PWM input channel change-over switch E, PWM output channel change-over switch F, communication port switch G, simulates high output channel change-over switch H, simulates low output channel change-over switch I.Digital output control relay circuit shown in Fig. 1 comprises digital high output channel change-over switch C and digital low output channel change-over switch D, digital quantity input relay control circuit comprises digital high input channel change-over switch A and digital low input channel change-over switch B, PWM I/O control relay circuit comprises PWM input channel change-over switch E and PWM output channel change-over switch F, analog input/output relay control circuit comprises the high output channel change-over switch H of simulation and the low output channel change-over switch I of simulation, communication port control relay circuit comprises communication port switch G.
Each sample has a plurality of dissimilar inputs, output channel, and the passage of the first sample comprises: the high input of numeral (IH1, IH2 ... IHn), the low input of numeral (IL1, IL2 ... ILn), the high output of numeral (OH1, OH2 ... OHn), digital low output (OL1, OL2 ... OLn), PWM input channel, PWM output channel, communication port (COM1, COM2 ... COMn), the high output of simulation (MH1, MH2 ... MHn), simulate low output (ML1, ML2 ... MLn); The input of six samples of the second sample to the, the type of output channel are identical with the first sample with number.
The described step that realizes poll sampling, monitors is as follows:
When carrying out performance monitoring, first, digital quantity input module in PC control control enclosure, by exporting corresponding digital quantity, 1 passage of the high input channel change-over switch of numeral A of resource distributor disk and the high input channel of numeral (IH1) of the first sample are connected, host computer sends the high input channel 1(IH1 of numeral that the first sample is read in communication) state, and complete judgement and confirm;
The second, repeating step one, completes successively to the high input channel n(IHn of the numeral of the first sample) state, and complete corresponding judgement and confirmation;
The 3rd, digital quantity input module in PC control control enclosure, by exporting corresponding digital quantity, 1 passage of the low input channel change-over switch of numeral B of resource distributor disk and the low input channel of numeral (IL1) of the first sample are connected, host computer sends the low input channel 1(IL1 of numeral that the first sample is read in communication) state, and complete judgement and confirm;
The 4th, repeating step three, completes successively to the low input channel n(ILn of the numeral of the first sample) state, and complete corresponding judgement and confirmation;
The 5th, repeating step three, step 4, digital output module in PC control control enclosure, pwm signal generation module, analog quantity generation module, by exporting corresponding digital quantity, make the high output channel change-over switch of the numeral C of resource distributor disk, the low output channel change-over switch D of numeral, PWM input channel change-over switch E, PWM output channel change-over switch F, simulate high output channel change-over switch H, 1 to the n passage of simulating low output channel change-over switch I respectively successively with the high output of the numeral (OH1 of the first sample of correspondence, OH2 ... OHn), low output (the OL1 of numeral, OL2 ... OLn), PWM input channel, PWM output channel, the high output of simulation (MH1, MH2 ... MHn), simulate low output (ML1, ML2, MLn) connect, host computer sends the state that the respective channel of the first sample is read in communication, complete corresponding judgement and confirmation,
For communication module, comprise CAN module and 485 modules, digital output module and communication module in PC control control enclosure, by exporting successively corresponding digital quantity, make the communication port (COM1 of the communication port switch G of resource distributor disk and the first sample of correspondence, COM2 ... COMn) connect, host computer sends the state that communication port that communication reads the first sample is connected, and completes judgement and confirm, i.e. diagnosis communication;
Direct supply provides power supply for resource distributor disk, sample and load box, and host computer is controlled direct supply by the GPIB module of controlling in control enclosure, and desk-top multimeter is sampled to direct supply by GPIB module; Thereby complete the monitoring to the first sample.
The 6th, repeating step one is to step 5, to the second sample, the 3rd sample until the 6th sample monitored; Complete one-period;
The 7th, again carry out poll and monitor the first sample to the six samples, constantly repeated next cycle.
Monitoring time very short (a few tens of milliseconds) due to each measured sample input, output channel, therefore the spent total monitoring time of all input, the output channel of all samples is about several seconds, that is to say that each is inputted, average several seconds kinds of output channel will be monitored once, this monitoring frequency is very of short duration for common needs several days, the pilot project of even tens days, can think Real-Time Monitoring.
In observation process, record and memory function are that the automatic control by host computer realizes.
Described host computer sends the channel status that the first sample is read in communication, complete judgement and be confirmed to be and realize by desk-top multimeter, as, digital quantity input module in PC control control enclosure, connects the numeral high input channel change-over switch A of resource distributor disk and the high input channel of numeral (IH) of the first sample by exporting corresponding digital quantity; Host computer sends communication, make sample input corresponding level signal, desk-top multimeter is connected on tested passage (being digital high input channel) by the high input channel change-over switch of numeral A, record the level of input channel, meanwhile, host computer completes checking by reading the level state of the high input channel of numeral of the first sample.
In the present embodiment, tester for verification test of new energy whole vehicle controller performance monitoring system both can connecting analog load box to reduce experimentation cost, also can connect real hardware load.Monitoring system can be matched band UPS uninterruptible power system, to guarantee test figure validity.
These are only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention, therefore, all any modifications of doing within the spirit and principles in the present invention, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. a performance monitoring method for new energy vehicle controller verification test, is characterized in that:
Described monitoring method is by PC control control enclosure, and control enclosure is controlled resource distributor disk the performance of several samples is monitored, and can realize poll sampling, monitoring, record storage;
Described control enclosure is comprised of a plurality of control modules, comprises analog quantity generation module, pwm signal generation module, digital quantity input module, digital output module, communication module, and communication module comprises CAN module and 485 modules;
Described resource distributor disk is comprised of a plurality of passage change-over switches, comprises digital high input channel change-over switch (A), digital low input channel change-over switch (B), digital high output channel change-over switch (C), digital low output channel change-over switch (D), PWM input channel change-over switch (E), PWM output channel change-over switch (F), communication port switch (G), simulates high output channel change-over switch (H), simulates low output channel change-over switch (I);
Each sample has a plurality of dissimilar inputs, output channel, and the passage of the first sample comprises: the high input of numeral (IH1, IH2 ... IHn), the low input of numeral (IL1, IL2 ... ILn), the high output of numeral (OH1, OH2 ... OHn), digital low output (OL1, OL2 ... OLn), PWM input channel, PWM output channel, communication port (COM1, COM2 ... COMn), the high output of simulation (MH1, MH2 ... MHn), simulate low output (ML1, ML2 ... MLn); Second input of sample to a m sample is, the type of output channel is identical with the first sample with number;
The described step that realizes poll sampling, monitors is as follows:
When carrying out performance monitoring, first, digital quantity input module in PC control control enclosure, by exporting corresponding digital quantity, 1 passage of the high input channel change-over switch of numeral (A) of resource distributor disk and the IH1 passage of the high input of the numeral of the first sample are connected, host computer sends the state of the IH1 passage of the high input of numeral that communication reads the first sample, and completes judgement and confirm;
The second, repeating step one, completes successively the state to the IHn passage of the high input of the numeral of the first sample, and completes corresponding judgement and confirmation;
The 3rd, digital quantity input module in PC control control enclosure, by exporting corresponding digital quantity, 1 passage of the low input channel change-over switch of numeral (B) of resource distributor disk and the IL1 passage of the low input of numeral of the first sample are connected, host computer sends the state of IL1 passage that the low input of numeral of the first sample is read in communication, and completes judgement and confirm;
The 4th, repeating step three, completes the state to the ILn passage of the low input of numeral of the first sample successively, and completes corresponding judgement and confirmation;
The 5th, repeating step three, step 4, digital output module in PC control control enclosure, pwm signal generation module, CAN communication module, analog quantity generation module, by exporting corresponding digital quantity, make the high output channel change-over switch of numeral (C) of resource distributor disk, numeral low output channel change-over switch (D), PWM input channel change-over switch (E), PWM output channel change-over switch (F), communication port switch (G), simulate high output channel change-over switch (H), 1 to the n passage of simulating low output channel change-over switch (I) respectively successively with the OH1 of the high output of numeral of the first sample of correspondence, OH2 ... OHn passage, the OL1 of the low output of numeral, OL2 ... OLn passage, PWM input channel, PWM output channel, the COM1 of communication port, COM2 ... COMn passage, the MH1 of the high output of simulation, MH2 ... MHn passage, simulate the ML1 of low output, ML2, MLn passage is connected, host computer sends the state that the respective channel of the first sample is read in communication, complete corresponding judgement and confirmation, thereby complete the monitoring to the first sample,
The 6th, repeating step one is to step 5, to the second sample, the 3rd sample until m sample monitored; Complete one-period;
The 7th, again carry out poll and monitor first sample to a m sample, constantly repeated next cycle;
In poll observation process, by the automatic control of host computer, realize record and the storage of data.
2. performance monitoring method for new energy vehicle controller verification test according to claim 1, it is characterized in that: in described control enclosure, also comprise GPIB module, direct supply provides power supply for resource distributor disk, sample and load box, in described step 5, host computer is controlled direct supply by the GPIB module of controlling in control enclosure, desk-top multimeter is sampled to direct supply by GPIB module, thereby completes the monitoring to sample.
3. performance monitoring method for new energy vehicle controller verification test according to claim 1 and 2, it is characterized in that: described host computer sends the channel status that sample is read in communication, complete judgement and be confirmed to be and realize by desk-top multimeter, that is: the module in PC control control enclosure, by exporting corresponding digital quantity, the respective channel change-over switch of resource distributor disk and the passage of sample are connected, host computer sends communication, make sample input corresponding level signal, desk-top multimeter is connected on tested passage by passage change-over switch, carry out the level of recording channel, meanwhile, host computer completes checking by reading the level state of the passage of sample.
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| CN110597225A (en) * | 2019-09-12 | 2019-12-20 | 中汽研（天津）汽车工程研究院有限公司 | CAN bus-based vehicle body controller product offline detection equipment and test method |
| CN112198868B (en) * | 2020-10-10 | 2023-04-25 | 武汉洋葱云网技术有限公司 | Detection method for input and output signals of electric vehicle controller |
| CN112732510A (en) * | 2021-04-06 | 2021-04-30 | 新石器慧通（北京）科技有限公司 | Testing device for unmanned vehicle computing platform |
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