CN106444723A - Testing system and testing method for electronic brake control unit - Google Patents

Testing system and testing method for electronic brake control unit Download PDF

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Publication number
CN106444723A
CN106444723A CN201611048092.6A CN201611048092A CN106444723A CN 106444723 A CN106444723 A CN 106444723A CN 201611048092 A CN201611048092 A CN 201611048092A CN 106444723 A CN106444723 A CN 106444723A
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CN
China
Prior art keywords
test
module
control unit
electronic brake
brake control
Prior art date
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Granted
Application number
CN201611048092.6A
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Chinese (zh)
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CN106444723B (en
Inventor
胡波
赵欣
马春浩
刘澳
孙全涛
王鹏
王成程
王玉波
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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CRRC Qingdao Sifang Rolling Stock Research Institute Co Ltd
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Priority to CN201611048092.6A priority Critical patent/CN106444723B/en
Publication of CN106444723A publication Critical patent/CN106444723A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00Testing or monitoring of control systems or parts thereof
    • G05B23/02Electric testing or monitoring
    • G05B23/0205Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0208Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
    • G05B23/0213Modular or universal configuration of the monitoring system, e.g. monitoring system having modules that may be combined to build monitoring program; monitoring system that can be applied to legacy systems; adaptable monitoring system; using different communication protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. local area networks [LAN], wide area networks [WAN]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. local area networks [LAN], wide area networks [WAN]
    • H04L12/40Bus networks
    • H04L2012/40208Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215Controller Area Network CAN

Abstract

The invention provides a testing system and a testing method for an electronic brake control unit. The testing system is externally connected with an upper computer which can be used for monitoring operation of the testing system, and comprises a power supply module which is used for providing electric energy to the testing system, and an interface testing module, a control testing module and a communication testing module which are electrically connected with the power supply module, wherein the interface testing module is arranged corresponding to an interface module of an electronic brake control unit; the control testing module is arranged corresponding to a control module of the electronic brake control unit; the communication testing module is arranged corresponding to a communication module of the electronic brake control unit; and the interface testing module, the control testing module and the communication testing module are connected through CAN bus. The testing system can realize overall port coverage, and the testing method is simple and convenient to operate and quick and complete in testing.

Description

The test system of electronic brake control unit and its method of testing
Technical field
The invention belongs to electronic brake control unit in rail vehicle, specifically, it is related to a kind of deceleration of electrons and controls list The test system of unit.
Background technology
Electronic brake control unit (EBCU) is the core of rail vehicle braking system, defeated including power module, switching value Enter output module, frequency input/output module, analog input and output module, PWM input/output module, power driver module, Breakdown judge module and communication module etc., it is capable of the functions such as brake management, Stress control, signals collecting, communication, its Reliability and security have tremendous influence to traffic safety, and the therefore test to it is also particularly important.
Existing EBCU testing stand mainly by industrial computer, data collecting card, signal conditioner, pressure sensor, PLC, continue The equipment such as electrical equipment form, and need professional to be operated, it is preferred that emphasis is the test to EBCU performance, such as retardation test, slow Solution test, skid resistance test, response time etc., once can only test one.For batch production, carry out routine test in batches For EBCU, testing stand high cost, volume are big, efficiency is low, port covering is not comprehensive.
Content of the invention
In order to solve the above problems, the invention provides a kind of test system of electronic brake control unit and its test side Method, its test system is capable of port all standing, and its method of testing is easy and simple to handle, test is quickly comprehensive.
In order to achieve the above object, the technical solution used in the present invention is:
A kind of test system of electronic brake control unit, outer company can monitor test system operation host computer, including for Test system provide electric energy power module, and all electrically connect with power module interface testing module, control test module With communication test module, wherein interface testing module is corresponding to the interface module setting of electronic brake control unit, control test Module corresponds to the control module setting of electronic brake control unit, and communication test module corresponds to electronic brake control unit Communication module is arranged;All connected by CAN between interface testing module, control test module and communication test module.
As the optimization further of the present invention, CAN, interface testing module, control test module and communication test mould Block is arranged on backboard, and wherein, interface testing module, control test module and communication test module are arranged for lamination.
As the optimization further of the present invention, interface testing module includes opening corresponding to interface in electronic brake control unit The interface switch that input/output module setting is measured in pass measures examination output input circuit, corresponding to interface in electronic brake control unit The interface frequency test output input circuit of frequency input/output module setting, corresponding to interface in electronic brake control unit The interface PWM test output input circuit of PWM input/output module setting, and corresponding to interface in electronic brake control unit The interface analog output input circuit of analog input and output module setting.
As the optimization further of the present invention, test module is controlled to include controlling frequently corresponding in electronic brake control unit The control rate-adaptive pacemaker input circuit of rate input/output module, defeated corresponding to controlling analog input in electronic brake control unit Go out the control analog output input circuit of module, corresponding to the controlling switch of power driver module in electronic brake control unit Amount input circuit, and the controlling switch amount output circuit corresponding to breakdown judge module in electronic brake control unit.
As the optimization further of the present invention, communication test module is included corresponding to communication mould in electronic brake control unit The MVB communicating circuit of block, corresponding to the RS485 communicating circuit of communication module in electronic brake control unit, corresponding to electronics system The CAN communication circuit of communication module in dynamic control unit, the electric current loop corresponding to communication module in electronic brake control unit leads to News circuit, and the Ethernet communication circuit corresponding to communication module in electronic brake control unit.
As the optimization further of the present invention, power module includes EMC protection circuitry, excess temperature overvoltage crowbar and power supply Change-over circuit, to provide stable power supply for test system.
As the optimization further of the present invention, test system be connected to side by side by CAN multiple on host computer, Each test system corresponds to an electronic brake control unit.
A kind of method of testing of electronic brake control unit, using the test system of above-mentioned electronic brake control unit, wraps Include following steps:
Test system self-inspection:Test system be energized, start test system in selftest module, to the module in test system, Configuration information, port information and test program version inspection;
Select test item:Run the monitoring system of host computer, by the optional test item of monitoring system configuration display, test Item includes individual event test, multinomial test and system test;
Compare whether port mates:Host computer obtain test system in selftest module self-inspection information, and with host computer in Configuration information compare, to confirm whether port mates:As port match, then carry out next step;If it does not match, stopping test And point out error message, damaged with the port that the mismatch preventing test-types causes;
Send test instruction:Host computer passes through CAN module and sends test to test system and electronic brake control unit Instruction, test system and electronic brake control unit make according to test instruction to be had in test system and electronic brake control unit The port of this test function corresponds, and starts to test;
Test result is exported and feeds back to host computer by test system and electronic brake control unit, and host computer shows, remembers Record and export this test result.
As the optimization further of the present invention, instruct in step sending test, specifically:When the test sending instructs it is During self-checking command, test system is not responding to, and electronic brake control unit is according to test instruction self-inspection;When the test sending instructs it is Mutually during inspection instruction, first judge the direction of current test port according to test instruction, if input, then test system is according to survey Examination instruction exports corresponding test data, by electronic brake control unit, data is tested, if output end, then electronics Brak control unit exports corresponding test data according to test instruction, by test system, data is tested, surveys the most at last Test result is compared with predetermined threshold value in test instruction, and then judges the function of electronic brake control unit.
Compared with prior art, advantages of the present invention and good effect are:
1st, the electronic brake control unit test system of the present invention, it is one-to-one with module each in EBCU that it passes through setting Test module, test system and EBCU realize point-to-point connection, and comprehensive and line is simple so that port is covered;
2nd, the test system of the present invention has self-inspection and defencive function, can prevent test module from mismatching with module to be measured and make The port becoming is damaged;
3rd, the electronic brake control unit method of testing of the present invention, only needs in test to carry out configuration operation and examination test As a result, need not intervene in test process, realize test, fault automatically and automatically record, convenient and swift;
4th, the test system of the present invention adopts 3U structure design, small volume, lightweight, can as portable set, and Configuration variation, can be adapted to the EBCU of different model, effective reduces cost;
5th, the test system of the present invention, in parallel multiple test systems can multiple stage EBCU be tested simultaneously, improve Testing efficiency.
Brief description
Fig. 1 is the schematic diagram of electronic brake control unit test system of the present invention;
Fig. 2 is the schematic diagram of multiple stage test system of the present invention;
Fig. 3 is the flow chart of electronic brake control unit method of testing of the present invention.
Specific embodiment
Below, by exemplary embodiment, the present invention is specifically described.It should be appreciated, however, that not entering one In the case of step narration, the element in an embodiment, structure and features can also be advantageously incorporated into other embodiment In.
Referring to Fig. 1, it is the schematic diagram of electronic brake control unit test system in the present invention.As shown in figure 1, the present invention is electric The test system of sub- brak control unit, connects the host computer that can monitor test system operation, including for testing by CAN module System provide electric energy power module, and all electrically connect with power module interface testing module, control test module and lead to News test module, wherein interface testing module correspond to the interface module setting of electronic brake control unit, control test module Corresponding to the control module setting of electronic brake control unit, communication test module corresponds to the communication of electronic brake control unit Module is arranged;All connected by CAN between interface testing module, control test module and communication test module.The present invention Test system and electronic brake control unit in the one-to-one connection of each module, realize all standing test of port, CAN module Realize CAN and turn Ethernet/USB/RS232, be connected with host computer, host computer is provided with monitoring software, there is provided test execution, prison Control and the man-machine interface of record.
Certainly, in the present invention, electronic brake control unit is different according to project, and it is different that module type and quantity have an institute, and And the interface quantity of same type module and function are also not quite similar, but the port one of test system and electronic brake control unit One corresponds to it is achieved that all standing of port, and the test system of the present invention is also using modularized design simultaneously;And it is applied to the present invention Cabinet adopt standard 3U structure design, for the different test modules of different electronic brake control unit insertions, each module Between connected by CAN, go back preformed groove position be available for extend.
Continue as shown in figure 1, CAN of the present invention, interface testing module, control test module and communication test module are equal It is arranged on backboard, wherein, interface testing module, control test module and communication test module are arranged for lamination.Specifically, survey Other such as general-purpose devices such as CPU, CAN, isolation circuit, connector in die trial block all may be provided on base plate, and interface testing Function, control test function and communication test function are arranged on daughter board, can configure different daughter boards for same type module, Interface quantity and function can be adjusted flexibly.
Further, interface testing module is included corresponding to interface switch amount input and output mould in electronic brake control unit The interface switch of block setting measures examination output input circuit, corresponding to interface frequency input and output mould in electronic brake control unit The interface frequency test output input circuit of block setting, corresponding to interface PWM input/output module in electronic brake control unit The interface PWM test output input circuit of setting, and corresponding to interface analog input and output in electronic brake control unit The interface analog output input circuit of module setting;Test module is controlled to include controlling corresponding in electronic brake control unit The control rate-adaptive pacemaker input circuit of frequency input/output module, corresponding to control analog input in electronic brake control unit The control analog output input circuit of output module, the control corresponding to power driver module in electronic brake control unit is opened Input circuit, and the controlling switch amount output circuit corresponding to breakdown judge module in electronic brake control unit are measured in pass;Logical News test module includes the MVB communicating circuit corresponding to communication module in electronic brake control unit, corresponding to deceleration of electrons control RS485 (HDLC) communicating circuit of communication module in unit processed, the CAN corresponding to communication module in electronic brake control unit leads to News circuit, corresponding to the current-loop communication circuit of communication module in electronic brake control unit, and corresponds to deceleration of electrons control The Ethernet communication circuit of communication module in unit processed.
For above-mentioned, illustrated with an embodiment:As shown in figure 1, the present embodiment include 1 block power supply module, 3 pieces connect Mouth test module (respectively first interface test module, second interface test module and the 3rd interface testing module), 2 pieces of controls And 2 pieces of communication test modules are (respectively for test module (respectively first controls test module and the second control test module) First communication test module and the second communication test module).
Wherein, power module includes EMC protection circuitry, excess temperature overvoltage crowbar and power-switching circuit, by backboard There is provided stable power supply to each test module.
First interface test module includes 6 road interface switches and measures examination output circuit, 2 tunnel interface frequency test output electricity Road, 8 road interface switches measure in examination input circuits and 2 tunnel interface frequency test input circuits, with electronic brake control unit the 6 road interface switch amount input circuits of one interface module, 2 tunnel interface frequency input circuits, 8 road interface switch amount output circuits and 2 tunnel interface frequency output circuits correspond.
Second interface test module includes 16 road interface switches and measures examination output circuit and 4 tunnel interface frequency test output electricity 16 road interface switch amount input circuits of second interface module and 4 tunnel interface frequency inputs in road, with electronic brake control unit Circuit corresponds.
3rd interface testing module includes 2 road interface analog quantity test output circuits, 2 road interface analog quantity test input electricity In road, 2 road interface PWM test output circuits and 2 road interface PWM test input circuit, with electronic brake control unit, the 3rd connects 2 road interface simulated measurement input circuits of mouth module, 2 road interface analogue quantity output circuits, 2 road interface PWM input circuits and 2 tunnels connect Mouth PWM output circuit corresponds.
First control test module includes 4 tunnels and controls frequency output circuitry, 4 tunnels to control analogue quantity output circuit, and 8 tunnels control Switching value input circuit and 8 way control switch amount output circuits, the 4 tunnel controls with the first control module in electronic brake control unit Frequency input circuit processed, 4 tunnels control simulated measurement input circuits, 8 road power driving circuits and 8 road fault judging circuits one a pair Should.
Second control test module includes 4 tunnels and controls frequency output circuitry, 4 tunnels to control analogue quantity output circuit, and 8 tunnels control Switching value input circuit and 8 way control switch amount output circuits, the 4 tunnel controls with the second control module in electronic brake control unit Frequency input circuit processed, 4 tunnels control simulated measurement input circuits, 8 road power driving circuits and 8 road fault judging circuits one a pair Should.
It is CAN communication between first communication module in first communication test module and electronic brake control unit.
It is MVB communication between the second communication module in second communication test module and electronic brake control unit.
Need it is further noted that the power module in the present invention includes EMC protection circuitry, excess temperature overvoltage crowbar And power-switching circuit, to provide stable power supply for test system.
Referring to Fig. 2, it is the schematic diagram of multiple stage test system in the present invention.As shown in Fig. 2 the test system in the present invention can Multiple for be set up in parallel, it is connected to side by side on host computer by CAN, each test system corresponds to a deceleration of electrons Control unit;By can achieve electronic brake control unit different for each test system correspondence to multiple deceleration of electrons controls Unit processed realizes synchronism detection.
Present invention also offers a kind of method of testing of electronic brake control unit, this method of testing is using above-mentioned electronics system The test system of dynamic control unit, as shown in figure 3, this method of testing comprises the following steps:
Test system self-inspection:Test system be energized, start test system in selftest module, to the module in test system, Configuration information, port information and test program version inspection;
Select test item:Run the monitoring system of host computer, by the optional test item of monitoring system configuration display, test Item includes individual event test, multinomial test and system test;
Compare whether port mates:Host computer obtain test system in selftest module self-inspection information, and with host computer in Configuration information compare, to confirm whether port mates:As port match, then carry out next step;If it does not match, stopping test And point out error message, damaged with the port that the mismatch preventing test-types causes;
Send test instruction:Host computer passes through CAN module and sends test to test system and electronic brake control unit Instruction, test system and electronic brake control unit make according to test instruction to be had in test system and electronic brake control unit The port of this test function corresponds, and starts to test;
Test result is exported and feeds back to host computer by test system and electronic brake control unit, and host computer shows, remembers Record and export this test result.
Further, test in instruction step in above-mentioned transmission, specifically:When the test sending instructs as self-checking command When, test system is not responding to, and electronic brake control unit is according to test instruction self-inspection;When the test sending instructs as mutual inspection instruction When, first judge the direction of current test port according to test instruction, if input, then test system is defeated according to test instruction Go out corresponding test data, by electronic brake control unit, data is tested, if output end, then deceleration of electrons controls Unit according to test instruction export corresponding test data, by test system, data is tested, the most at last test result with In test instruction, predetermined threshold value is compared, and then judges the function of electronic brake control unit.
For being specifically unfolded as follows of above-mentioned test instruction:Test instruction includes On-off signal output test instruction, mould The instruction of analog quantity input/output test, the instruction of frequency quantity input/output test, the instruction of PWM input/output test, power drive test Instruction, fault test instruction, CAN communication test instruction, the instruction of MVB communication test, external storage test instruction, outer watchdog Test instruction.Test instruction includes test module ID, test data and level threshold value, specifically retouches below for each test instruction State its test process:
(1) On-off signal output test:Monitor Computer Control System passes through CAN module to test system and deceleration of electrons control Unit processed sends switching value test instruction, meets the test module of ID and module to be measured first judges to input or export, if It is input, then according to instruction output high level or low level, module to be measured carries out the collection of switching value to test module, and will gather Result is compared with predetermined threshold value, instructs as low and adopt as low or instruct as high and adopt as height, module to be measured is normal, Otherwise fault;If output is then conversely, module to be measured exports, test module gathers and judges whether module to be measured is normal.
(2) analog input and output test:Monitor Computer Control System passes through CAN module to test system and deceleration of electrons control Unit processed sends analog quantity test instruction, meets the test module of ID and module to be measured first judges to input or export, if It is input, then test module is according to instruction output voltage or electric current, the collection of module simulation amount to be measured, and by collection result Compare with predetermined threshold value, if within the range of permission, module to be measured is normal, otherwise fault;If output then conversely, Module output to be measured, test module gathers and judges whether module to be measured is normal.
(3) frequency quantity input/output test:Monitor Computer Control System passes through CAN module to test system and deceleration of electrons control Unit transmission frequency processed measures examination instruction, meets the test module of ID and module to be measured first judges to input or export, if It is input, then test module is exported according to the frequency in instruction and dutycycle, and frequency is divided into high frequency or low frequency, dutycycle Divide size, module to be measured carries out the collection of frequency quantity, and collection result is compared with predetermined threshold value, if frequency and dutycycle All within the scope of error allows, module to be measured is normal, otherwise fault;If output, then conversely, module to be measured output, is surveyed Die trial block gathers and judges whether module to be measured is normal.
(3) PWM input/output test:Monitor Computer Control System passes through CAN module and controls to test system and deceleration of electrons Unit sends PWM test instruction, meets the test module of ID and module to be measured first judges to input or export, if defeated Enter, then test module is exported according to the frequency in instruction and dutycycle, and frequency is divided into high frequency or low frequency, and dutycycle is also divided greatly Little, module to be measured carries out the collection of PWM, and collection result is compared with predetermined threshold value, if frequency and dutycycle are all by mistake Within the scope of difference allows, module to be measured is normal, otherwise fault;If output is then conversely, module to be measured exports, test module Gather and judge whether module to be measured is normal.
(4) power drive test instruction:Monitor Computer Control System passes through CAN module and controls to test system and deceleration of electrons Unit transmit power drives test instruction, and the module to be measured meeting ID carries out power output according to instruction, and test module is passed through to open Pass amount passage is acquired, and instructs as low and adopt as low or instruct as high and adopt as height, module to be measured is normal, otherwise therefore Barrier.
(5) fault test instruction:Monitor Computer Control System passes through CAN module to test system and electronic brake control unit Send fault test instruction, the test module meeting ID simulates open circuit or short trouble, mould to be measured according to instruction by relay The breakdown judge result of block is normal with the consistent module then to be measured of instruction, otherwise fault.
(6) CAN communication test:Monitor Computer Control System passes through CAN module to test system and electronic brake control unit Send CAN communication test instruction, the communication test module meeting ID passes through CAN to the default fixed data of module to be measured transmission, treats After survey module receives this data, it is iterated processing, and result is sent to test module, test module evidence by CAN This judges whether the communication of CAN is normal.
(7) MVB communication test:Monitor Computer Control System passes through CAN module to test system and electronic brake control unit Send the instruction of MVB communication test, meet the communication test module simulation of ID and module to be measured is communicated, by MVB to it Send default fixed data, after module to be measured receives this data, be iterated processing, and result is sent to survey by MVB Die trial block, test module judges whether the communication of MVB is normal accordingly.
(8) external storage test:Monitor Computer Control System passes through CAN module to test system and electronic brake control unit Send external storage test instruction, test system do not respond, the module to be measured meeting ID carries out the sector of external storage and writes place Reason, then carries out sector reading process again, and the data of the result read and write is compared, completely the same then normal, otherwise Fault.
(9) outer watchdog test:Monitor Computer Control System passes through CAN module and controls list to test system and deceleration of electrons Unit sends outer watchdog test instruction, and test system does not respond, and the module to be measured meeting ID stops feeding dog, reads after restarting Special function register, checks whether and there occurs watchdog reset.

Claims (9)

1. a kind of test system of electronic brake control unit, outer company can monitor the host computer of test system operation, and its feature exists In:Including for test system provide electric energy power module, and all electrically connect with power module interface testing module, control The interface module that test module and communication test module, wherein interface testing module correspond to electronic brake control unit is arranged, Test module is controlled to correspond to the control module setting of electronic brake control unit, communication test module corresponds to deceleration of electrons control The communication module setting of unit processed;All by CAN between interface testing module, control test module and communication test module Connect.
2. according to claim 1 electronic brake control unit test system it is characterised in that:CAN, interface testing Module, control test module and communication test module are arranged on backboard, wherein, interface testing module, control test module Arrange for lamination with communication test module.
3. electronic brake control unit according to claim 1 or claim 2 test system it is characterised in that:Interface testing module Measure examination output including the interface switch corresponding to interface switch amount input/output module setting in electronic brake control unit defeated Enter circuit, corresponding to the interface frequency test output input of interface frequency input/output module setting in electronic brake control unit Circuit, corresponding to the interface PWM test output input electricity of interface PWM input/output module setting in electronic brake control unit Road, and the interface analog output input corresponding to interface analog input and output module setting in electronic brake control unit Circuit.
4. electronic brake control unit according to claim 1 or claim 2 test system it is characterised in that:Control test module Including corresponding to the control rate-adaptive pacemaker input circuit controlling frequency input/output module in electronic brake control unit, correspond to Control the control analog output input circuit of analog input and output module, corresponding to electronics system in electronic brake control unit The controlling switch amount input circuit of power driver module in dynamic control unit, and corresponding to fault in electronic brake control unit The controlling switch amount output circuit of judge module.
5. electronic brake control unit according to claim 1 or claim 2 test system it is characterised in that:Communication test module Including the MVB communicating circuit corresponding to communication module in electronic brake control unit, corresponding to logical in electronic brake control unit The RS485 communicating circuit of news module, corresponding to the CAN communication circuit of communication module in electronic brake control unit, corresponding to electricity The current-loop communication circuit of communication module in sub- brak control unit, and corresponding to communication module in electronic brake control unit Ethernet communication circuit.
6. electronic brake control unit according to claim 1 or claim 2 test system it is characterised in that:Power module includes EMC protection circuitry, excess temperature overvoltage crowbar and power-switching circuit, to provide stable power supply for test system.
7. according to claim 1 electronic brake control unit test system it is characterised in that:Test system is to pass through CAN be connected to side by side multiple on host computer, each test system correspond to an electronic brake control unit.
8. a kind of method of testing of electronic brake control unit, usage right requires the deceleration of electrons control any one of 1-7 The test system of unit processed it is characterised in that:Comprise the following steps:
Test system self-inspection:Test system is energized, and starts selftest module in test system, to the module in test system, configuration Information, port information and test program version inspection;
Select test item:Run the monitoring system of host computer, by the optional test item of monitoring system configuration display, test item bag Include individual event test, multinomial test and system test;
Compare whether port mates:Host computer obtain test system in selftest module self-inspection information, and with host computer in join Confidence breath compares, to confirm whether port mates:As port match, then carry out next step;If it does not match, stopping testing and carrying Show error message, damaged with the port that the mismatch preventing test-types causes;
Send test instruction:Host computer passes through CAN module and sends test instruction to test system and electronic brake control unit, Test system makes there is this survey in test system and electronic brake control unit with electronic brake control unit according to test instruction The port of examination function corresponds, and starts to test;
Test result is exported and feeds back to host computer by test system and electronic brake control unit, host computer shows, record and Export this test result.
9. according to claim 8 electronic brake control unit method of testing it is characterised in that:Sending test instruction step In rapid, specifically:When send test instruct as self-checking command when, test system is not responding to, electronic brake control unit according to Test instruction self-inspection;When the test sending instructs as mutual inspection instruction, first judge the side of current test port according to test instruction To if input, then test system exports corresponding test data according to test instruction, by electronic brake control unit pair Data is tested, if output end, then electronic brake control unit exports corresponding test data according to test instruction, by Test system is tested to data, and test result and predetermined threshold value in test instruction are compared the most at last, and then judge electricity The function of sub- brak control unit.
CN201611048092.6A 2016-11-21 2016-11-21 The test macro and its test method of electronic brake control unit Active CN106444723B (en)

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CN107101838A (en) * 2017-03-27 2017-08-29 中车青岛四方机车车辆股份有限公司 Retardation test system and retardation test method
CN109002034A (en) * 2018-10-19 2018-12-14 中车青岛四方车辆研究所有限公司 The pilot system and test method of city rail vehicle frame control autocontrol system
CN110456763A (en) * 2019-07-26 2019-11-15 中国第一汽车股份有限公司 The test macro and method of intelligent driving controller
CN110673584A (en) * 2019-10-14 2020-01-10 上海拿森汽车电子有限公司 Reliability detection method and device for electric power-assisted brake system

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