CN104914845B - A kind of car body controller fault testing method and system based on industrial personal computer - Google Patents
A kind of car body controller fault testing method and system based on industrial personal computer Download PDFInfo
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- CN104914845B CN104914845B CN201410093859.1A CN201410093859A CN104914845B CN 104914845 B CN104914845 B CN 104914845B CN 201410093859 A CN201410093859 A CN 201410093859A CN 104914845 B CN104914845 B CN 104914845B
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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
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
Abstract
The invention discloses the fault testing methods and system of a kind of car body controller based on industrial personal computer.The system comprises industrial personal computer (100), with car body controller (200), programmable power supply (300), the data transmission device (103) of interface card (400).When the industrial personal computer (100) is for receiving car body controller fault test instruction, simulation generates one group of input signal of the fault test for the car body controller (200).The data transmission device (103) is used to this group of input signal being input to the car body controller (200) by the interface card (400).The data transmission device (103), which is also used to receive, passes through one group of output signal that interface card (400) export by the car body controller (200), and this group of output signal is input to the industrial personal computer (100).The industrial personal computer (100) is also used to obtain the failure measure of the car body controller (200) by carrying out wave f orm analysis to this group of output signal.
Description
Technical field
The present invention relates to the fault test technical fields of car body controller, are based on industrial personal computer more specifically to one kind
Car body controller fault testing method and system.
Background technique
The various control functions of the car body controller of automobile are simultaneously non-fully realized by hardware circuit, existing Body Control
Device automatic test technology is to hardware requirement height, and reliability and flexibility are poor, and testing efficiency is low, and time-consuming for test process, and
Fault model can not be established.The use of the car body controller automatic test technology is not only difficult to meet the needs of users, and returns use
Family causes inconvenience.Currently, car body controller automatic test technology need to be improved to cater to user demand.How to develop
One kind can reduce hardware requirement, save system cost, and can be shortened the testing time, improve the car body controller event of testing efficiency
Barrier test method has become urgent problem to be solved.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of based on industrial personal computer
Car body controller fault testing method and system.
The technical solution adopted by the present invention to solve the technical problems is: constructing a kind of car body controller based on industrial personal computer
Fault testing method includes the following steps:
S1 car body controller fault test instruction) is such as received, then generates one of the fault test for car body controller
Group input signal, and multiple input channels that this group of input signal is made up of data transmission device and interface card are simultaneously
Row is input to car body controller；
S2) reception is made up of the car body controller the interface card and the data transmission device more
One group of output signal of a output channel parallel output, and wave f orm analysis is carried out to obtain the vehicle to this group of output signal
The failure measure of body controller.
In the above-mentioned car body controller fault testing method based on industrial personal computer of the present invention, also wrapped before the step S1
Include following steps:
It S0) will include the car body controller simulation test number of one group of input information and corresponding one group of standard output waveform
The first memory of industrial personal computer is arrived according to storage.
In the above-mentioned car body controller fault testing method based on industrial personal computer of the present invention, by described in the step S1
The step of industrial personal computer simulation generates one group of input signal for the fault test of the car body controller includes: to read described the
One memory storage car body controller simulation test data, by the car body controller simulation test data included it is defeated
Enter information and generates one group of input signal, and the multiple inputs being made up of the data transmission device and the interface card
This group of input signal is input to the car body controller by channel.
In the above-mentioned car body controller fault testing method based on industrial personal computer of the present invention, industry control described in the step S3
The step of machine carries out wave f orm analysis to this group of output signal includes: by each of this group of output signal output signal
Wave character is compared with corresponding standard output waveform in the one group of standard output waveform prestored；
In wave character and this group of standard output waveform as judged any one of this group of output signal output signal
The wave character of corresponding standard output waveform is not inconsistent, it is determined that the car body controller breaks down, and generates corresponding
Car body controller testing journal sheet；
As judge the wave character of each of this group of output signal output signal in this group of standard output waveform with
The wave character of corresponding standard output waveform be consistent, it is determined that the car body controller normal operation, and generating corresponding
Car body controller testing journal sheet.
In the above-mentioned car body controller fault testing method based on industrial personal computer of the present invention, the number as described in the step S1
It is CAN card according to transmitting device, then the step S1 to the step S2 is accordingly adjusted are as follows:
S1 ') send industrial personal computer based on the transmission of CAN data under car body controller fault test interface to car body controller
The control information of agreement；
S2 ') it is clamped by CAN and receives the control information, and the control information is input to the vehicle by interface card
Body controller；
S3 ') failure measure of the car body controller obtained according to the feedback operation of the car body controller；
Such as car body controller execution and the control signal corresponding operation, then the industrial personal computer determines the vehicle body
Controller is in normal working condition；If the car body controller does not execute any operation, then described in the industrial personal computer determination
Car body controller breaks down.
In the above-mentioned car body controller fault testing method based on industrial personal computer of the present invention, also wrapped after the step S2
Include the step of following car body controller fault type is screened:
S3) signal transmission passage is established between the industrial personal computer and specified car body controller；
S4) industrial personal computer receives fault test instruction under car body controller fault test interface, repeats above-mentioned
Step S1 to step S2, obtains the failure measure of the specified car body controller；
S5 fault type) is determined according to the failure measure of the specified car body controller.
The present invention also constructs a kind of car body controller fault test system based on industrial personal computer, including industrial personal computer, vehicle body control
Device processed further includes the interface card being connected between the industrial personal computer and the car body controller, is connected to the industrial personal computer
Programmable power supply and one end between the interface card connect the mainboard of the industrial personal computer, described in other end connection
The data transmission device of interface card；
The industrial personal computer under car body controller fault test interface for receiving car body controller fault test instruction
When, generate one group of input signal of the fault test for the car body controller；
The data transmission device is used to this group of input signal being input to the vehicle parallel by the interface card
Body controller；
The data transmission device, which is also used to receive, passes through the one of interface card parallel output by the car body controller
Group output signal, and this group of output signal is input to the industrial personal computer；
The industrial personal computer is also used to obtain the event of car body controller by carrying out wave f orm analysis to this group of output signal
Hinder test result.
In the above-mentioned car body controller fault test system based on industrial personal computer of the present invention, the industrial personal computer includes for holding
First CPU of driving body controller fault test, it is electrically connected with the first CPU, for storing comprising one group of input letter
Breath and corresponding one group of standard output waveform car body controller simulation test data first memory, for showing vehicle body control
Display screen, mainboard and the integrated data transmission device on the main board of device failure measure processed；
The data transmission device includes data collecting card and CAN card, and the data collecting card includes multiple first outputs
Port DOWith multiple second input port AI；
The interface card includes for connecting the multiple first output port DOMultiple input modules, Yi Jiyong
In the multiple second input port A of connectionIMultiple output modules；
The car body controller includes multiple first input port D for being separately connected the multiple input moduleI, use
In the 2nd CPU handled one group of input signal and for being separately connected the multiple of the multiple output module
Second output terminal mouth AO；
Each first output port DOAnd with first output port DOCorresponding input module, first input port
DIConstitute an independent input channel, each second output terminal mouth AOAnd with second output terminal mouth AOCorresponding output
Module, the second input port AIConstitute an independent output channel.
In the above-mentioned car body controller fault test system based on industrial personal computer of the present invention, each first output port DO
It include two first lead-out terminal DO1And DO2；Each input module includes resistance R1, resistance R2, the first photoelectric coupling
Device, the second photoelectrical coupler, resistance R3, resistance R4；Each first input port DIIt include two first input end DI1With
DI2；
First pin of first photoelectrical coupler passes through resistance R1Connect first lead-out terminal DO1, first photoelectricity
The second pin of coupler and the 4th pin are grounded, and the third pin of first photoelectrical coupler passes through resistance R2Connection can
Program power supply；
First pin of second photoelectrical coupler passes through resistance R3Connect first lead-out terminal DO2, second photoelectricity
The second pin of coupler is grounded, and the third pin of second photoelectrical coupler connects programmable power supply, second photoelectricity
4th pin of coupler passes through resistance R4Ground connection.
In the above-mentioned car body controller fault test system based on industrial personal computer of the present invention, each second output terminal mouth AO
It include two sub- A of second output terminalO1And AO2；Each output module includes resistance R5, resistance R6, resistance R7；Each
Second input port AIIt include two the second input terminal AI1And AI2；
Wherein, the second input terminal AI1It is connected to resistance R5With resistance R6Between, resistance R5The other end connection second output
Terminal AO1, resistance R6The other end ground connection；The sub- A of second output terminalO2With the second input terminal AI2It is all connected to resistance R7, resistance R7
The other end connect programmable power supply.
Since the present invention is based on the fault test systems of the car body controller of industrial personal computer to use on the mainboard of industrial personal computer
Grafting data collecting card and CAN card, and data collecting card and CAN card are linked into car body controller by interface card, with
The technical solution of parallel transmission channels is established between industrial personal computer, data collecting card and CAN card, car body controller, so overcoming
Car body controller Auto-Test System in the prior art is to hardware requirement height, flexibility and poor reliability, test process consumption
The defect of duration, realizing reduces the hardware cost of car body controller fault test system, shortens car body controller fault detection
The beneficial effect of the flexibility of time and raising car body controller fault test.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is the structural frames for the car body controller fault test system based on industrial personal computer that present pre-ferred embodiments provide
Figure；
Fig. 2 is the industrial personal computer and car body controller of the car body controller fault test system shown in FIG. 1 based on industrial personal computer
Structural block diagram；
Fig. 3 is the schematic diagram at the car body controller fault test interface that present pre-ferred embodiments provide；
Fig. 4 is industrial personal computer, interface circuit in the car body controller fault test system shown in FIG. 1 based on industrial personal computer
The circuit connection diagram of any input channel for multiple input channels that plate, car body controller are constituted；
Fig. 5 is industrial personal computer, interface circuit in the car body controller fault test system shown in FIG. 1 based on industrial personal computer
The circuit connection diagram of any output channel for multiple output channels that plate, car body controller are constituted；
Fig. 6 is the first-class of the car body controller fault testing method based on industrial personal computer that present pre-ferred embodiments provide
Cheng Tu；
Fig. 7 is the second for the car body controller fault testing method based on industrial personal computer that present pre-ferred embodiments provide
Cheng Tu；
Fig. 8 is the flow chart for the car body controller fault type discriminating method that present pre-ferred embodiments provide.
Specific embodiment
It is at high cost and vehicle body control can not be established in order to solve car body controller Auto-Test System existing in the prior art
The defect of device fault model processed, main innovation point of the invention are: 1) industrial personal computer 100 being external to car body controller 200
Interface card 400, and pass through 100 simulation output fault test signal of industrial personal computer；2) in industrial personal computer 100 and car body controller
Parallel data transmission mode is used between 200；3) pass through industrial personal computer 100 for the wave of one group of output signal of car body controller 200
Shape feature is compared to judge whether car body controller 200 event occurs with the wave character of the one group of standard output waveform prestored
Barrier.
Due to present invention employs by external industrial personal computer 100 to car body controller 200 carry out fault test and
The design that data parallel transmission plan is used between industrial personal computer 100 and car body controller 200, so solving in the prior art
Cost of testing system is high, poor reliability, fault test low efficiency, fault test the technical issues of time-consuming, realizes raising vehicle
The testing efficiency of the fault test of body controller 200 reduces the purpose of system cost.
In order to which the purpose of the present invention is more clearly understood, with reference to the accompanying drawings and embodiments, the present invention is carried out into one
Step is described in detail.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit this hair
It is bright.
As shown in Figure 1, including industrial personal computer 100 and work the present invention is based on the car body controller fault test system of industrial personal computer
The car body controller 200 and be electrically connected with industrial personal computer 100 and car body controller that control machine 100 is electrically connected, for being Body Control
The programmable power supply 300 that device 200 is powered.The programmable power supply 300 is connected to the USB interface and vehicle body of industrial personal computer 100 simultaneously
The Aviation Connector of controller 200.
The industrial personal computer 100 shows vehicle body control for running 200 fault testing procedure of car body controller on the display screen
Device fault test processed interface, and for receiving user under the car body controller fault test interface test instruction when,
Generate one group of input signal.
Data transmission device 103 is plugged on the mainboard 102 of the industrial personal computer 100.The data transmission device 103 is used for work
One group of input signal that control machine 100 generates is input to car body controller 200 through interface card 400.
The car body controller 200 is handled this group of input signal, and will be through locating for receiving this group of input signal
This group of input signal of reason is exported by interface card 400.
The data transmission device 103 is also used to receive the one group of output signal exported from interface card 400, and by the group
Output signal is input to industrial personal computer 100.
The industrial personal computer 100 is also used to be analyzed by the wave character to this group of output signal to obtain car body controller
200 failure measure.
The present invention is based on the car body controller fault test systems of industrial personal computer to complete vehicle body under the auxiliary of industrial personal computer 100
The fault test of controller 200, operation is extremely convenient, and test result is accurate and reliable.
As shown in Fig. 2, the industrial personal computer 100 includes the data transmission device that mainboard 102 and mainboard 102 are electrically connected
103, the first CPU101, first memory 105 and display screen 104.Data transmission device 103 further comprises data collecting card
1031 and CAN card 1032.Data collecting card 1031 and CAN card 1032 are plugged into mainboard 102.The car body controller 200 includes
Interface card 400, the 2nd CPU being electrically connected with interface card 400.It is prestored in memory including corresponding one group two-by-two
Input the 200 simulation test data of car body controller of information and one group of standard output waveform.First CPU101 is for detecting work
When the start-up operation of 200 test software of car body controller of 100 system of control machine, 200 fault testing procedure of car body controller is run,
Car body controller fault test interface is shown on the display screen.First CPU101 is also used in the car body controller failure
When receiving test instruction under test interface, the 200 simulation test data of car body controller stored in memory are read, according to this
One group of input information of 200 simulation test data of car body controller generates one group of input signal.Data collecting card 1031 is for connecing
Above-mentioned one group of input signal is received, and this group of input signal is input to car body controller 200 by interface card 400.The number
It is also used to receive according to capture card 1031 and carries out the one group of output signal for handling and exporting through interface card 400 through the 2nd CPU, it will
This group of output signal is input to industrial personal computer 100.First CPU101 is also used to the wave character of this group of output signal and storage
The wave character for the standard output waveform that device prestores is compared.
As the first CPU101 judges the wave character of any one of this group of output signal output signal and prestores
The wave character of corresponding standard output waveform is not inconsistent in multiple standard output waveforms, then the first CPU101 obtains the vehicle
The test result that body controller 200 breaks down.Such as the first CPU101 judges each of this group of output signal output letter
Number wave character be consistent with the wave character of standard output waveform corresponding in the multiple standard output waveforms prestored,
Then obtain the test result of 200 normal operation of car body controller.First CPU101 is also used to according to 200 event of car body controller
Hinder test result and generate 200 fault test report of car body controller, and the 200 fault test report storage of car body controller is arrived
Memory, in order to which fault condition of the user to car body controller 200 understands.
Fig. 3 is the schematic diagram at car body controller fault test of the present invention interface.Test interface is divided into test item column, test
As a result, test item waveform diagram, Fail waveform diagram.Test item includes light part, windscreen wiper washing part, middle control remote control part
And CAN communication part.
As shown in figure 4, data collecting card 1031 includes multiple first output port D0With multiple second input port AI.Often
One input port D0It include two input terminal DO1And DO2.Car body controller 200 includes multiple first input port DIWith
Multiple second input port AO.Each first input port DIIt include two first input end DI1And DI2, each
Two output port AOIt include two sub- A of second output terminalO1And AO2.Interface card 400 includes being respectively used to connect multiple the
One output port DOMultiple input modules 401 and be respectively used to connect multiple second input port AIMultiple output modules
402。
Each first output port DOAnd with first output port DOCorresponding input module 401, first input end
Mouth DIConstitute an independent signal input channel, each second output terminal mouth AOAnd with second output terminal mouth AOIt is corresponding
Output module 402, the second input port AIConstitute an independent signal output channels.In better embodiment of the present invention
In, establishing between data collecting card 1031 and car body controller 200 has the independent signal input channel in 48 tunnels and 32 roads independent
Signal output channels.
Each input module 401 of interface card 400 includes resistance R1, resistance R2, the first photoelectrical coupler
4011, the second photoelectrical coupler 4012, resistance R3, resistance R4；Each first input port DIIt include two first input ends
Sub- DI1And DI2；
Wherein, the first pin 1 of the first photoelectrical coupler 4011 passes through resistance R1Connect first lead-out terminal DO1, described
The second pin 2 of one photoelectrical coupler 4011 and the 4th pin 4 are grounded, and the third pin 3 of the first photoelectrical coupler 4011 is logical
Cross resistance R2Connect programmable power supply 300；
First pin 5 of the second photoelectrical coupler 4012 passes through resistance R3Connect first lead-out terminal DO2, the second photoelectricity coupling
The second pin 6 of clutch 4012 is grounded, and the third pin 7 of the second photoelectrical coupler 4012 connects programmable power supply 300, the second light
4th pin 8 of electric coupler 4012 passes through resistance R4Ground connection.
The third pin 3 of first photoelectrical coupler 4011 connects first input end DI1；
4th pin 8 of the second photoelectrical coupler 4012 connects first input end DI2。
As shown in figure 5, each output module 402 of interface card 400 includes resistance R5, resistance R6, resistance R7；
Each second input port AIIt include two the second input terminal AI1And AI2.Wherein, the second input terminal AI1It is connected to electricity
Hinder R5With resistance R6Between, resistance R5The other end connect the sub- A of second output terminalO1, resistance R6The other end ground connection；Second output
Terminal DO2With the second input terminal AI2It is all connected to resistance R7, resistance R7The other end connect programmable power supply 300.
Since present invention employs pass through multiple groups photoelectrical coupler between data collecting card 1031 and car body controller 200
The mode for carrying out signal transmission avoids data collecting card 1031 and contacts with the direct of car body controller 200, to a certain extent
Reduce interference of the environmental factor to the input signal of industrial personal computer 100.
Below by by taking first better embodiment of the invention as an example, to the present invention is based on be plugged with data collecting card
The vehicle body fault testing method of 1031 industrial personal computer 100 is illustrated:
As shown in fig. 6, in the step s 100, user can will include one group of input information and its corresponding one group of standard in advance
The 200 simulation test data of car body controller of output waveform are stored into the memory of industrial personal computer 100, in order to car body controller
200 fault test work.
In step s 200, industrial personal computer 100 runs 200 fault testing procedure of car body controller by the first CPU101,
Car body controller fault test interface is shown on display screen 104.First CPU101 is at the car body controller fault test interface
Under when receiving test instruction, the simulation test data that store in memory are read, according to one group in the simulation test data
It inputs information and generates one group of input signal for being used for 200 fault test of car body controller.This group of input signal is through industrial personal computer 100
Mainboard 102 is input to data collecting card 1031.
In step S300, after data collecting card 1031 receives this group of input signal, for the every of this group of input signal
One input signal selects different input channels respectively, this group of input signal is passed through its selection in a manner of parallel transmission
Input channel is input to car body controller 200.
In step S400, car body controller 200 passes through multiple second input port DIThis group of input signal is received respectively,
This group of input signal is amplified and be filtered respectively by signal conditioning circuit.The car body controller 200 is also directed to warp
Each of this group of input signal of processing signal selects different output channels respectively, by the group in a manner of parallel transmission
Signal is output to data collecting card 1031.
In step S500, data collecting card 1031 receives car body controller 200 and passes through interface card 400 exports one
Group output signal, and this group of output signal is input to industrial personal computer 100 by mainboard 102.
In step S600, industrial personal computer 100 passes through the first CPU101 for all waveforms and memory of this group of output signal
The one group of standardized output waveform prestored is compared, to judge whether the two wave character is consistent.
In step S700, wave of the industrial personal computer 100 through at least one output signal in this group of output signal of multilevel iudge
Shape feature is not inconsistent with wave character corresponding in the standardized output waveform of the group, and obtaining industrial personal computer 100, there are failures
200 failure measure of car body controller, and generate relevant 200 fault test of car body controller report.
In step S800, all wave characters of the industrial personal computer 100 through this group of output signal of multilevel iudge and this group of standard
Corresponding wave character is not inconsistent in the output waveform of change, obtains the failure measure of 200 normal operation of car body controller,
And generate relevant 200 fault test of car body controller report.
Below by by taking second better embodiment of the invention as an example, to the present invention is based on be plugged with CAN card 1032
200 fault testing method of car body controller of industrial personal computer 100 is illustrated:
As shown in fig. 7, user will control 200 simulation test of car body controller of information comprising CAN in step S100 '
Memory module of the data pre-storage to industrial personal computer 100.
In step S200 ', industrial personal computer 100 shows car body controller fault test interface on the display screen.Industrial personal computer
100 receive the test instruction of user, read 200 simulation test of car body controller stored in memory by the first CPU101
The CAN data of data generate the control signal for carrying the CAN data.
In step S300 ', the CAN card 1032 being plugged on mainboard 102 receives the control signal comprising CAN data
Afterwards, which is input to car body controller 200 by interface card 400.
In step S400 ', the 2nd CPU of car body controller 200 receives the control signal, makes car body controller according to this
It controls signal and executes corresponding feedback operation.User can judge car body controller by the feedback operation of car body controller 200
Whether 200 break down.Assuming that the CAN data packet contains hypervelocity information, the 2nd CPU judges that the CAN data were included works as
Preceding vehicle speed information issues car door locking instruction when meeting or exceeding the speed threshold value of second memory storage, make the car door of vehicle certainly
Dynamic locking.In 200 fault testing method of car body controller of the present invention, user can be carried out by the switch state to Vehicular door
Identification, obtains the failure measure of car body controller 200.
In the present invention, car body controller fault test operator can lead in the first memory 105 to industrial personal computer 100
Enter associated vehicle body controller simulation test data, to meet the test request of the car body controller 200 of a variety of models, or to this
The relevant parameter of car body controller simulation test data is adjusted, and makes that it is suitable for 200 fault test softwares of car body controller
Upgraded version.First embodiment and second embodiment through the invention is it is found that the present invention is based on the Body Controls of industrial personal computer
Device fault testing method is simplified the low car body controller fault test operation of script poor reliability, testing efficiency,
Fault test efficiency is improved, so that car body controller fault test operation becomes simple and easy.
In the first embodiment of the present invention and second embodiment, by being adopted between industrial personal computer 100 and car body controller 200
With parallel data transmission mode, message transmission rate between the two is accelerated, shortens 200 fault test institute of car body controller
Time-consuming.
In the first embodiment of the present invention and second embodiment, user can also be by following failure discriminating method to vehicle
The failure that body controller 200 occurs is further analysed, with determine car body controller 200 fault type (hardware fault or
Software fault).The 200 failure discriminating method of car body controller the following steps are included:
S100 ") car body controller 200 of failure is replaced, and it is specified to be linked into the industrial personal computer 100
Car body controller 200 (i.e. the new car body controller 200 through exfactory inspection, or it is accredited as the vehicle body of sustainable normal work
Controller 200)；
S200 ") industrial personal computer 100 receives fault test instruction under open car body controller fault test interface,
Obtain the failure measure of the specified car body controller 200；
S300 ") the former vehicle body control replaced by it is determined according to the failure measure of the specified car body controller 200
The fault type of device 200 processed.
If the industrial personal computer 100 judges that the specified car body controller 200 is without failure, then the industrial personal computer 100 will
The fault type of former car body controller 200 is defined as hardware fault.
If the industrial personal computer 100 judges that the specified car body controller 200 breaks down, then the industrial personal computer 100 will be former
The fault type of car body controller 200 is defined as software fault.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (6)
1. a kind of car body controller fault testing method based on industrial personal computer, which comprises the steps of:
S1) industrial personal computer (100) such as receives car body controller fault test instruction, then generates and survey for the failure of car body controller
One group of input signal of examination, and this group of input signal is made up of data transmission device (103) and interface card (400)
Multiple input channels be input to car body controller (200) parallel；
S2) industrial personal computer (100), which is received, passes through the interface card (400) and the data by the car body controller (200)
One group of output signal of multiple output channel parallel outputs that transmitting device (103) is constituted, and this group of output signal is carried out
Wave f orm analysis is to obtain the failure measure of the car body controller (200)；
Further include following steps before the step S1:
It S0) will include car body controller (200) simulation test of one group of input information and corresponding one group of standard output waveform
Data store the first memory (105) to industrial personal computer (100)；
The fault test for being used for the car body controller (200) is generated in the step S1 by the industrial personal computer (100) simulation
One group of input signal the step of include: the car body controller simulation test data for reading the first memory (105) storage,
One group of input signal is generated by the input information that the car body controller simulation test data are included, and passes through the data
This group of input signal is input to institute by multiple input channels that transmitting device (103) and the interface card (400) are constituted
State car body controller (200).
2. the car body controller fault testing method according to claim 1 based on industrial personal computer, which is characterized in that the step
The step of industrial personal computer (100) described in rapid S2 carries out wave f orm analysis to this group of output signal includes: by this group of output signal
Each of the wave character of output signal carried out with standard output waveform corresponding in the one group of standard output waveform prestored
Compare；
In wave character and this group of standard output waveform as judged any one of this group of output signal output signal therewith
The wave character of corresponding standard output waveform is not inconsistent, it is determined that the car body controller (200) is broken down, and generates corresponding
Car body controller testing journal sheet；
As judged the wave character of each of this group of output signal output signal and phase therewith in this group of standard output waveform
The wave character for the standard output waveform answered is consistent, it is determined that car body controller (200) normal operation, and generate corresponding
Car body controller testing journal sheet.
3. the car body controller fault testing method according to claim 1 based on industrial personal computer, which is characterized in that described
Further include the steps that following car body controller (200) fault type is screened after step S2:
S3) signal transmission passage is established between the industrial personal computer (100) and specified car body controller (200)；
S4) industrial personal computer (100) receives fault test instruction under car body controller fault test interface, repeats above-mentioned
Step S1 to step S2 obtains the failure measure of the specified car body controller (200)；
S5 fault type) is determined according to the failure measure of the specified car body controller (200).
4. a kind of car body controller fault test system based on industrial personal computer, including industrial personal computer (100), car body controller (200),
It is characterized in that, further including the interface card being connected between the industrial personal computer (100) and the car body controller (200)
(400), programmable power supply (300), the Yi Jiyi being connected between the industrial personal computer (100) and the interface card (400)
End connects the mainboard (102) of the industrial personal computer (100), and the other end connects the data transmission device of the interface card (400)
(103)；
The industrial personal computer (100) under car body controller fault test interface for receiving car body controller fault test instruction
When, generate one group of input signal of the fault test for the car body controller (200)；
The data transmission device (103) is used to for this group of input signal being input to parallel by the interface card (400)
The car body controller (200)；
The data transmission device (103), which is also used to receive, passes through interface card (400) simultaneously by the car body controller (200)
One group of output signal of row output, and this group of output signal is input to the industrial personal computer (100)；
The industrial personal computer (100) is also used to obtain car body controller by carrying out wave f orm analysis to this group of output signal
(200) failure measure；
The industrial personal computer (100) further includes for executing the first CPU (101) of car body controller fault test and described first
CPU (101) is electrically connected, for storing the Body Control comprising one group of input information and corresponding one group of standard output waveform
The first memory (105) of device simulation test data, the display screen (104) for showing car body controller failure measure；
The data transmission device (103) includes data collecting card (1031) and CAN card (1032), the data collecting card
It (1031) include multiple first output port (DO) and multiple second input port (AI)；
The interface card (400) includes for connecting the multiple first output port (DO) multiple input modules
(401) and for connecting the multiple second input port (AI) multiple output modules (402)；
The car body controller (200) includes multiple first input ends for being separately connected the multiple input module (401)
Mouth (DI), the 2nd CPU for being handled one group of input signal and for being separately connected the multiple output mould
Multiple second output terminal mouth (A of block (402)O)；
Each first output port (DO) and with first output port (DO) corresponding input module (401), the first input
Port (DI) constitutes an independent input channel, each second output terminal mouth (AO) and with the second output terminal mouth (AO)
Corresponding output module (402), the second input port (AI) constitute an independent output channel.
5. the car body controller fault test system according to claim 4 based on industrial personal computer, which is characterized in that each
First output port (DO) it include two first lead-out terminal (DO1) and (DO2)；Each input module (401) includes electricity
Hinder (R1), resistance (R2), the first photoelectrical coupler (4011), the second photoelectrical coupler (4012), resistance (R3), resistance (R4)；Often
One first input port (DI) it include two first input end (DI1) and (DI2)；
The first pin (1) of first photoelectrical coupler (4011) passes through resistance (R1) connection first lead-out terminal (DO1), institute
The second pin (2) and the 4th pin (4) for stating the first photoelectrical coupler (4011) are grounded, first photoelectrical coupler
(4011) third pin (3) passes through resistance (R2) connection programmable power supply (300)；
The first pin (5) of second photoelectrical coupler (4012) passes through resistance (R3) connection first lead-out terminal (DO2), institute
State second pin (6) ground connection of the second photoelectrical coupler (4012), the third pin (7) of second photoelectrical coupler (4012)
It connects programmable power supply (300), the 4th pin (8) of second photoelectrical coupler (4012) passes through resistance (R4) ground connection；
The third pin (3) of first photoelectrical coupler (4011) connects first input end (DI1)；
4th pin (8) of the second photoelectrical coupler (4012) connects first input end (DI2)。
6. the car body controller fault test system according to claim 5 based on industrial personal computer, which is characterized in that each
Second output terminal mouth (AO) it include two second output terminal (AO1) and (AO2)；Each output module (402) includes electricity
Hinder (R5), resistance (R6), resistance (R7)；Each second input port (AI) it include two the second input terminal (AI1) and
(AI2)；
Wherein, the second input terminal (AI1) it is connected to resistance (R5) and resistance (R6) between, resistance (R5) the other end connection second
Output terminal (AO1), resistance (R6) the other end ground connection；Second output terminal (AO2) and the second input terminal (AI2) be all connected to
Resistance (R7), resistance (R7) the other end connect programmable power supply (300).
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| CN106802642A (en) * | 2015-11-26 | 2017-06-06 | 深圳市赛格导航科技股份有限公司 | A kind of test system and method for testing of BCM car body controllers |
| CN105676683A (en) * | 2015-12-31 | 2016-06-15 | 广船国际有限公司 | Controller and bending machine using same |
| CN107831756A (en) * | 2017-11-14 | 2018-03-23 | 湖北文理学院 | Controller test apparatus and system |
| CN108646703B (en) * | 2018-04-09 | 2021-04-13 | 河南工业大学 | Online detection method and device for vehicle body control module |
| CN108983074A (en) * | 2018-08-09 | 2018-12-11 | 珠海格力智能装备有限公司 | The detection method and device of circuit board |
| CN110888414B (en) * | 2019-11-25 | 2021-03-23 | 一汽解放汽车有限公司 | Test method for upgrading vehicle controller |
| CN112073259A (en) * | 2020-08-11 | 2020-12-11 | 上海麦腾物联网技术有限公司 | Communication test method for batch Can controllers |
| CN112039728B (en) * | 2020-08-27 | 2021-05-18 | 中国科学院地质与地球物理研究所 | Port communication test method and port communication test box |
| CN112099473B (en) * | 2020-09-08 | 2021-11-09 | 中国第一汽车股份有限公司 | Test method, device, equipment and storage medium |
| CN112486054A (en) * | 2020-10-29 | 2021-03-12 | 惠州市德赛西威汽车电子股份有限公司 | Device and method for controlling on-off of signal |
| CN114610004B (en) * | 2022-05-10 | 2022-08-12 | 深圳市星卡软件技术开发有限公司 | Method and device for testing circuit fault of automobile and computer equipment |
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