CN102681532A - Simulating test system for BCM (body control module) - Google Patents
Simulating test system for BCM (body control module) Download PDFInfo
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- CN102681532A CN102681532A CN2012101474947A CN201210147494A CN102681532A CN 102681532 A CN102681532 A CN 102681532A CN 2012101474947 A CN2012101474947 A CN 2012101474947A CN 201210147494 A CN201210147494 A CN 201210147494A CN 102681532 A CN102681532 A CN 102681532A
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Abstract
The invention discloses a simulating test system for BCM (body control module), which comprises an analogue load, a status signal conditioning circuit, a simulating test host, a command signal conditioning circuit and a fault analogue module, wherein the status signal conditioning circuit is connected with the analogue load; the simulating test host is connected with the status signal conditioning circuit; the command signal conditioning circuit is connected with the simulating test host; and the fault analogue module is connected with the command signal conditioning circuit. The simulating test system can be used for testing different types of BCM quickly, accurately and efficiently. The simulating test system has the advantages of strong generality, simple circuit structure, small size and low cost, the full-function test on one BCM can be finished within a short time, the development period of BCM is shortened, and the BCM developing expenditure is lowered.
Description
Technical field
The invention belongs to automobile control test development technical field, be specifically related to the emulation test system of a kind of BCM.
Background technology
(Body control module BCM) is one of most important control module in the automobile to car body controller; It is used to control the vehicle body equipment commonly used that does not need nonshared control unit, comprises the control of vehicle window, car mirror, car door lock, car light, seat, windscreen wiper even load.
In order to satisfy the user to the security of automobile and improving constantly of comfortableness requirement, along with the continuous development of automotive electronic technology, the function that BCM realizes is more and more simultaneously, and steering logic also becomes increasingly complex.Correctness and reliability how to guarantee BCM software on stream become the BCM research and development and produce in one of subject matter facing, this also has been related to the various aspects such as construction cycle, development cost of BCM.
Various functions and performance index to BCM are tested repeatedly, and revise the design of hardware and software of BCM according to test result, make it satisfy the car load technical requirement, just become a difficult problem; In design process, how to verify BCM each item performance and functional parameter conformance with standard, be a quite complicated and engineering consuming time; Even if in the batch production process of BCM, the online detection instrument of production line often can not quick test performance of products and functional completeness.The problems referred to above are related to various aspects such as the construction cycle, research and development expense, cost control, product reliability, production efficiency of BCM.
BCM is because input signal is many, drive many, control function (comprising steering logic and the sequential) complicacy of load, and therefore in its performance history, work is the test to steering logic and sequential greatly.China also is in the starting stage to the exploitation of BCM, so the testing apparatus production technology of present stage is comparatively backward, mostly all based on experimental stand and manual test; Because the complicacy of control function and the restriction of personnel operation, manual test length consuming time, efficient is low, repeatability is poor, and some special control logics and sequential can't test, and this will cause the BCM that is developed to have potential safety hazard.
At present, though some test macros and testing tool chain are arranged abroad, expensive, system complex and versatility are not strong, and different producers can carry out different BCM functional definitions according to self different vehicle usually, is difficult to directly use for reference external ready-made technology.Thereby, need find a kind of effective, more common, the method for handled easily to BCM carry out accurately, test fast and efficiently, for the research and development and the production of car body controller provides support.
Summary of the invention
To the above-mentioned technological deficiency of existing in prior technology, the invention provides the emulation test system of a kind of BCM, can carry out accurately BCM, test fast and efficiently, shorten the construction cycle of BCM.
The emulation test system of a kind of BCM comprises fictitious load, status signal modulate circuit, command signal modulate circuit, fault simulation module and emulation testing main frame; One end of fictitious load links to each other with the input end of status signal modulate circuit with BCM; The input end of the input end of the output terminal of status signal modulate circuit, command signal modulate circuit and fault simulation module all links to each other with the emulation testing main frame; The output terminal of command signal modulate circuit links to each other with the control end of fault simulation module, and the output terminal of fault simulation module links to each other with BCM.
Fictitious load is used to receive the control signal of BCM output, and produces status signal;
The status signal modulate circuit is used to gather described status signal, and status signal is nursed one's health back output;
The emulation testing main frame is used for the status signal after the conditioning is carried out test analysis, and generates test result; It receives user's input instruction, output instruction signal and fault mode simultaneously;
The command signal modulate circuit is used for described command signal is nursed one's health back output;
The fault simulation module is used for constructing fault-signal and it being delivered to BCM according to command signal and fault mode after the conditioning; Described BCM receives described fault-signal, it is carried out logic determines handle the corresponding control signal of back output.
Preferably, described emulation testing main frame links to each other with the status signal modulate circuit through PCI integrated circuit board and instruction signal conditioning circuit, and described PCI integrated circuit board comprises PCI-I/O integrated circuit board, PCI-PWM integrated circuit board, PCI-CAN integrated circuit board and PCI-LIN integrated circuit board; PCI integrated circuit board product is ripe, and easy to use, signal is reliable, and has abundant Driver Library, is convenient to carry out secondary development.
Described emulation testing main frame links to each other with the fault simulation module through the USB-CAN interface.
Preferably, described status signal modulate circuit is connected with real load through loading interfaces, and described real load links to each other with BCM through loading interfaces; Real load is used to receive the control signal of BCM output, and produces status signal; Can make things convenient for the user between real load and fictitious load, to choose at random.
Preferably, described status signal modulate circuit is connected with indicating circuit; The user can see the result of test event more intuitively.
Preferably, described command signal modulate circuit is connected with CS; Can make the user that more directly real operating experience is arranged, BCM sent steering order through true automotive controls.
Described fault simulation module links to each other with fictitious load; For the control signal of BCM output, need carry out fault simulation to it, so that the troubleshooting capability of test b CM.
Preferably, described emulation testing main frame is equipped with Simulink software, Labview software and Veristand software; Wherein, Simulink software is used to build the model of BCM and the driver of PCI allocation integrated circuit board; Labview software is used to build the graphic user interface of BCM and test, and preserves test process and test result with the form of figure, data, log file, simultaneously test result is analyzed, and generates test report; Veristand software is used for disposing each port and the corresponding relation between the Labview software graphic user interface under the Simulink software.The graphic programming of Labview, easy to operate, rich interface can be carried out seamless link with Veristand.
Preferably, described emulation testing main frame has man-machine interface; The user can pass through the man-machine interface input instruction, and simultaneity factor can show test results with various forms through man-machine interface; Can make things convenient for the user that system is operated, and have more hommization.
Useful technique effect of the present invention is:
(1) circuit structure of the present invention is simple, and volume is little, and cost is low.
(2) the present invention can carry out accurately different BCM, test highly versatile fast and efficiently.
(3) the present invention can accomplish the global function test of a BCM in a short period of time, shortens the construction cycle of BCM, reduces the research and development expense of BCM.
Description of drawings
Fig. 1 is the structural representation of emulation test system of the present invention.
Fig. 2 is the inner software and hardware structure synoptic diagram of emulation testing main frame.
Fig. 3 is the testing process synoptic diagram of emulation testing main frame.
Embodiment
In order to describe the present invention more particularly, technical scheme of the present invention is elaborated below in conjunction with accompanying drawing and embodiment.
As shown in Figure 1, the emulation test system of a kind of BCM comprises: fictitious load, status signal modulate circuit, emulation testing main frame, command signal modulate circuit, fault simulation module and indicating circuit; Wherein:
Fictitious load one end links to each other other end ground connection with BCM with the status signal modulate circuit; It is used to receive the control signal of BCM output, and produces status signal; In this embodiment, fictitious load is resistive load (resistance).
The status signal modulate circuit links to each other with fictitious load, and connects real load (real load receives the control signal of BCM output through loading interfaces, and produces status signal) through loading interfaces; It is used for the acquisition state signal, and status signal is nursed one's health back output;
Indicating circuit links to each other with the status signal modulate circuit, the status signal that its accepting state signal conditioning circuit collects, and carry out corresponding state demonstration;
The emulation testing main frame links to each other with the status signal modulate circuit through PCI integrated circuit board (PCI-I/O integrated circuit board, PCI-PWM integrated circuit board, PCI-CAN integrated circuit board and PCI-LIN integrated circuit board) and instruction signal conditioning circuit; The emulation testing main frame is used for the status signal after the conditioning is carried out test analysis, and generates test result; It receives user's input instruction, output instruction signal and fault mode simultaneously;
The command signal modulate circuit is connected with CS, and the user can directly send steering order through CS to BCM; The command signal modulate circuit is nursed one's health back output to the command signal of emulation testing main frame output or through the command signal that CS produces;
Fault simulation module and instruction signal conditioning circuit links to each other with fictitious load, and is connected with the emulation testing main frame through the USB-CAN interface; It is used for exporting the fault mode that provides according to command signal after the conditioning and emulation testing main frame, constructs fault-signal and it is delivered to BCM;
After the fault simulation module receives the command signal after the conditioning; Carry out four kinds of faults to the sensor signal input pin of BCM and inject (open circuit, to power supply short circuit, short circuit between short circuit, pin over the ground); BCM receives fault-signal; And fault-signal is carried out logic determines handle the corresponding control signal of back output, BCM links to each other with fictitious load with fault simulation module, PCI integrated circuit board, loading interfaces through the wire harness interface.
As shown in Figure 2, the emulation testing main frame has man-machine interface, and Simulink software, Labview software and Veristand software are installed; Wherein, Simulink software is used to build the model of BCM and the driver of PCI allocation integrated circuit board; Labview software is used to build the graphic user interface of BCM and test, and preserves test process and test result with the form of figure, data, log file, simultaneously test result is analyzed, and generates test report; Veristand software is used for disposing each port and the corresponding relation between the Labview software graphic user interface under the Simulink software; Man-machine interface is except showing test process and the test result under the Labview, can also make the user pass through control knob on the interface to the BCM output order.
The test process step of this embodiment is following:
(1) on the emulation testing main frame, builds the simulink realistic model of measurand BCM; Integrated circuit board characteristic with reference to PCI integrated circuit board producer provides is write all kinds of PCI integrated circuit board drivers under the windows, and the PCI integrated circuit board that uses in this example grinds the integrated circuit board that magnificent company produces as Taiwan; Under the Labview environment, build testing software host computer and test data and handle the backstage; Simultaneously, utilize NI/Veristand that each port under the Simulink and the interface under the Labview are shone upon one by one.
(2) dispose PCI-I/O, PCI-PWM, PCI-CAN, PCI-LIN integrated circuit board in the slot of emulation testing main frame; The output instruction signal of integrated circuit board links to each other with command signal modulate circuit in the system; Through the fault simulation module, link to each other with measurand BCM through the wire harness interface again; BCM is to the response of command signal, is connected in the system on the fictitious load through the fault simulation module through a wire harness interface part, and another part response signal is directly connected on the fictitious load or true electric appliance load.BCM need collect the response data of emulation testing main frame as BCM to the control signal of load simultaneously, and preserves, shows and handle.
(3) the fault simulation module is for the response process of emulation testing BCM to all kinds of faults, also is the part of BCM functional test, and in this embodiment, the fault simulation module is to be connected to the emulation testing main frame through USB-CAN, directly controlled by main frame; The fault simulation module mainly be provided with the BCM pin to short circuit, to power supply short circuit, open circuit and pin between short trouble etc.
(4) send command signal through button on the emulation testing main frame man-machine interface or the CS button in the system to BCM, initial, as shown in Figure 3 as what test; BCM receives command signal and makes response, and system feeds back to control signal and execution result signals collecting in the emulation testing main frame.The emulation testing main frame is preserved whole test process get off with the form of chart, data and is handled it and analyze, and generates the test report of customized type.
Claims (9)
1. the emulation test system of a BCM is characterized in that, comprises fictitious load, status signal modulate circuit, command signal modulate circuit, fault simulation module and emulation testing main frame; Fictitious load links to each other with the input end of status signal modulate circuit with BCM; The input end of the input end of the output terminal of status signal modulate circuit, command signal modulate circuit and fault simulation module all links to each other with the emulation testing main frame; The output terminal of command signal modulate circuit links to each other with the control end of fault simulation module, and the output terminal of fault simulation module links to each other with BCM.
2. the emulation test system of BCM according to claim 1; It is characterized in that: described emulation testing main frame links to each other with the status signal modulate circuit through PCI integrated circuit board and instruction signal conditioning circuit, and described PCI integrated circuit board comprises PCI-I/O integrated circuit board, PCI-PWM integrated circuit board, PCI-CAN integrated circuit board and PCI-LIN integrated circuit board.
3. the emulation test system of BCM according to claim 1 is characterized in that: described emulation testing main frame links to each other with the fault simulation module through the USB-CAN interface.
4. the emulation test system of BCM according to claim 1, it is characterized in that: described status signal modulate circuit is connected with real load through loading interfaces; Described real load links to each other with BCM through loading interfaces.
5. the emulation test system of BCM according to claim 1, it is characterized in that: described status signal modulate circuit is connected with indicating circuit.
6. the emulation test system of BCM according to claim 1, it is characterized in that: described command signal modulate circuit is connected with CS.
7. the emulation test system of BCM according to claim 1, it is characterized in that: described emulation testing main frame is equipped with Simulink software, Labview software and Veristand software; Wherein, Simulink software is used to build the model of BCM and the driver of PCI allocation integrated circuit board; Labview software is used to build the graphic user interface of BCM and test, and preserves test process and test result with the form of figure, data, log file, simultaneously test result is analyzed, and generates test report; Veristand software is used for disposing each port and the corresponding relation between the Labview software graphic user interface under the Simulink software.
8. the emulation test system of BCM according to claim 1, it is characterized in that: described emulation testing main frame has man-machine interface.
9. the emulation test system of BCM according to claim 1, it is characterized in that: described fault simulation module links to each other with fictitious load.
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102681536A (en) * | 2012-05-17 | 2012-09-19 | 杭州奥腾电子有限公司 | Car body control system simulation test system based on controller area network (CAN) bus |
| CN102981503A (en) * | 2012-12-14 | 2013-03-20 | 山东省科学院自动化研究所 | Black box testing method and system for functions of electronic body control module of automobile |
| CN103197667A (en) * | 2013-03-28 | 2013-07-10 | 湖南大学 | Device and method of simulation and testing of finished car controller of hybrid power car |
| CN103592938A (en) * | 2013-11-16 | 2014-02-19 | 埃泰克汽车电子(芜湖)有限公司 | Body controller output circuit production test system and method |
| CN104571069A (en) * | 2013-10-09 | 2015-04-29 | 上海通用汽车有限公司 | Simulation testing system for automobile body controller |
| CN106502236A (en) * | 2016-10-27 | 2017-03-15 | 武汉奥泽电子有限公司 | BCM multimachines automatization test system and method |
| CN106647690A (en) * | 2016-10-31 | 2017-05-10 | 中国第汽车股份有限公司 | Network communication signal automatic testing system for body control module |
| CN106815144A (en) * | 2016-12-08 | 2017-06-09 | 中国北方发动机研究所(天津) | A kind of diesel engine electric control system automatic testing arrangement for softwares and method |
| CN106933217A (en) * | 2017-04-05 | 2017-07-07 | 武汉南斗六星系统集成有限公司 | A kind of automatic checkout equipment of central vehicle control unit |
| CN107966977A (en) * | 2017-12-23 | 2018-04-27 | 埃泰克汽车电子(芜湖)有限公司 | A kind of signal process box |
| CN108152702A (en) * | 2016-12-06 | 2018-06-12 | 英业达科技有限公司 | The test system of NGFF slots suitable for extension circuit plate |
| CN109426140A (en) * | 2017-08-25 | 2019-03-05 | 南京理工大学 | Load simulator parameter Impact analysis method based on SIMULINK |
| CN110928530A (en) * | 2019-11-18 | 2020-03-27 | 厦门博电电子有限公司 | Labview-based automatic detection tool for vehicle body controller and automatic analysis method thereof |
| CN111399480A (en) * | 2020-03-30 | 2020-07-10 | 上海汽车集团股份有限公司 | Hardware-in-loop test system of intelligent driving controller |
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Cited By (21)
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| CN102681536B (en) * | 2012-05-17 | 2015-04-15 | 杭州奥腾电子有限公司 | Car body control system simulation test system based on controller area network (CAN) bus |
| CN102681536A (en) * | 2012-05-17 | 2012-09-19 | 杭州奥腾电子有限公司 | Car body control system simulation test system based on controller area network (CAN) bus |
| CN102981503A (en) * | 2012-12-14 | 2013-03-20 | 山东省科学院自动化研究所 | Black box testing method and system for functions of electronic body control module of automobile |
| CN102981503B (en) * | 2012-12-14 | 2014-12-10 | 山东省科学院自动化研究所 | Black box testing method and system for functions of electronic body control module of automobile |
| CN103197667A (en) * | 2013-03-28 | 2013-07-10 | 湖南大学 | Device and method of simulation and testing of finished car controller of hybrid power car |
| CN103197667B (en) * | 2013-03-28 | 2015-06-03 | 湖南大学 | Device and method of simulation and testing of finished car controller of hybrid power car |
| CN104571069A (en) * | 2013-10-09 | 2015-04-29 | 上海通用汽车有限公司 | Simulation testing system for automobile body controller |
| CN103592938A (en) * | 2013-11-16 | 2014-02-19 | 埃泰克汽车电子(芜湖)有限公司 | Body controller output circuit production test system and method |
| CN103592938B (en) * | 2013-11-16 | 2017-04-05 | 埃泰克汽车电子(芜湖)有限公司 | Based on car audio controller output circuit production test system and method |
| CN106502236B (en) * | 2016-10-27 | 2019-03-15 | 武汉奥泽电子有限公司 | BCM multimachine automatization test system and method |
| CN106502236A (en) * | 2016-10-27 | 2017-03-15 | 武汉奥泽电子有限公司 | BCM multimachines automatization test system and method |
| CN106647690A (en) * | 2016-10-31 | 2017-05-10 | 中国第汽车股份有限公司 | Network communication signal automatic testing system for body control module |
| CN108152702A (en) * | 2016-12-06 | 2018-06-12 | 英业达科技有限公司 | The test system of NGFF slots suitable for extension circuit plate |
| CN106815144A (en) * | 2016-12-08 | 2017-06-09 | 中国北方发动机研究所(天津) | A kind of diesel engine electric control system automatic testing arrangement for softwares and method |
| CN106933217A (en) * | 2017-04-05 | 2017-07-07 | 武汉南斗六星系统集成有限公司 | A kind of automatic checkout equipment of central vehicle control unit |
| CN109426140A (en) * | 2017-08-25 | 2019-03-05 | 南京理工大学 | Load simulator parameter Impact analysis method based on SIMULINK |
| CN109426140B (en) * | 2017-08-25 | 2022-02-01 | 南京理工大学 | SIMULINK-based load simulator parameter influence degree analysis method |
| CN107966977A (en) * | 2017-12-23 | 2018-04-27 | 埃泰克汽车电子(芜湖)有限公司 | A kind of signal process box |
| CN110928530A (en) * | 2019-11-18 | 2020-03-27 | 厦门博电电子有限公司 | Labview-based automatic detection tool for vehicle body controller and automatic analysis method thereof |
| CN111399480A (en) * | 2020-03-30 | 2020-07-10 | 上海汽车集团股份有限公司 | Hardware-in-loop test system of intelligent driving controller |
| CN111399480B (en) * | 2020-03-30 | 2021-11-05 | 上海汽车集团股份有限公司 | Hardware-in-loop test system of intelligent driving controller |
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