CN1912565A - Vehicle anti-block brake system and detection device and method for performance of its controller - Google Patents
Vehicle anti-block brake system and detection device and method for performance of its controller Download PDFInfo
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- CN1912565A CN1912565A CNA2005100358525A CN200510035852A CN1912565A CN 1912565 A CN1912565 A CN 1912565A CN A2005100358525 A CNA2005100358525 A CN A2005100358525A CN 200510035852 A CN200510035852 A CN 200510035852A CN 1912565 A CN1912565 A CN 1912565A
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Abstract
A sticking-on proof brake system of automobile is prepared as connecting microprocessor to monolithic computer (MC) through serial communication module and output end of MC to input end of ABS wheel speed signal analog module, connecting output end of said analog module to controller of sticking-on proof brake system, collecting regulator control signal by ABS valve-control signal collection module and sending data to microprocessor, connecting input end of ABS data sampling module to said controller and connecting output end of said sampling module to input end of microprocessor.
Description
1, technical field:
The present invention is the device for detecting performance and the detection method of a kind of anti-lock braking system in automobiles (ABS) and controller (ECU) thereof, belongs to the device for detecting performance of anti-lock braking system in automobiles and controller thereof and the innovative technology of detection method.
2, background technology:
At present China automobile main frame maker and automobile ABS factory method that the automobile ABS of batch process is carried out Performance Detection mainly contains two kinds of actual road test and Static Detection, the former is assemblied in the ABS parts on the automobile, on the special purpose vehicle testing track, carry out brake test, with the driver feel judge whether the work of ABS normal.Such actual road test can more truly reflect the implementation status of automobile ABS, but because the construction cost height of testing track, test needs the automobile test run person of specialty, thus the testing expenses height, and have certain test danger.The latter carries out static test by instrument to the element of ABS, but the element static characteristics is out of question, can not guarantee that the function of ABS is normal.Therefore, in the industry for the detection of dispatching from the factory of automobile ABS product lot quantity production, need a kind of quick indoor checkout equipment of the actual braking situation of vehicle that can reflect judge whether the function of ABS is normal, with the anti-lock braking system in automobiles (ABS) of the quality of evaluation ABS performance and the device for detecting performance and the detection method of controller (ECU) thereof.
3, summary of the invention:
The objective of the invention is to overcome above-mentioned shortcoming and a kind of realize vehicle and road analogy and braking procedure emulation are provided, can carry out the indoor detection of efficient quick to anti-lock braking system in automobiles controller product, and the anti-lock braking system in automobiles that vehicle-mounted ABS system tests can be to vehicle operating time the and the device for detecting performance of controller thereof.The present invention can be used as the means that the ABS product quality detects, and also can be used as the aid of anti-lock braking system in automobiles controller exploitation.
Another object of the present invention is to provide a kind of intuitive good, convenient and practical detection method.
Structural representation of the present invention as shown in drawings, include abs valve control signal acquisition module (2), ABS wheel speed signal analog module (3), Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6), serial communication module (5), power regulator module (7), power supply (8), microcomputer (9), wherein microcomputer (9) is connected with Single Chip Microcomputer (SCM) system (4) by serial communication module (5), the output terminal of Single Chip Microcomputer (SCM) system (4) be used to receive wheel speed value that microcomputer (9) sends and the input end that this value converts the ABS wheel speed signal analog module (3) of ABS wheel speed sensors signal to be connected, the output terminal of ABS wheel speed signal analog module (3) is connected with anti-lock braking system in automobiles controller (1); Abs valve control signal acquisition module (2) is gathered the pressure governor control signal that anti-lock braking system in automobiles controller (1) sends, and these data are sent to microcomputer (9) by serial communication module (5); The input end of ABS data sampling module (6) is connected with anti-lock braking system in automobiles controller (1) by communication port, and the output terminal of ABS data sampling module (6) is connected with the input end of microcomputer (9).
Above-mentioned abs valve control signal acquisition module (2), ABS wheel speed signal analog module (3), Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6) and serial communication module (5) all are integrated on the block I/O interface board.
Above-mentioned abs valve control signal acquisition module (2) includes gating switch S1, current-limiting resistance P1, photoelectrical coupler U1, U2 and pull-up resistor P2, the end of gating switch S1 is connected with anti-lock braking system in automobiles controller (1) by Interface Terminal J1, the other end of gating switch S1 is connected with the input end of photoelectrical coupler U1, U2 by current-limiting resistance P1, and the output terminal of photoelectrical coupler U1, U2 is connected with Single Chip Microcomputer (SCM) system (4) by pull-up resistor P2.
Above-mentioned ABS wheel speed signal analog module (3) includes photoelectrical coupler U4, variable resistor R14-R18, speed light D9-D12, gating switch S2, S6, capacitance C6, C9, C12,15, current-limiting resistance R13, R17, R22, R27, the variable resistor R14-R18 that regulates photoelectrical coupler U4 output voltage is connected the delivery outlet of photoelectrical coupler U4, and the delivery outlet of photoelectrical coupler U4 is by gating switch S2, S6 with by capacitance C6, C9, C12, C15, current-limiting resistance R13, R17, R22, the mimic channel with the speed pickup equivalence that R27 constitutes is connected.
Above-mentioned ABS data sampling module (6) includes sampling switch S5, current-limiting resistance R32, diode D14, polar capacitor C21, serial line interface J3, communication terminal interface J4, the end of sampling switch S5 joins by the communication terminal of communication terminal interface J4 and anti-lock braking system in automobiles controller (1), the other end of sampling switch S5 is connected with positive pole and the serial line interface J3 of polar capacitor C21, the negative pole of polar capacitor C21 is connected with the end of current-limiting resistance R32 and the positive pole of diode D14, the negative pole of the other end of current-limiting resistance R32 and diode D14 is connected with serial line interface J3, and serial line interface J3 is connected with microcomputer (9).
Above-mentioned I/O interface board also is integrated with power regulator module (7); Above-mentioned Single Chip Microcomputer (SCM) system (4) is 51 series monolithics.
The indoor detection method of anti-lock braking system in automobiles controller of the present invention (1) is:
ABS performance test software in the microcomputer (9) is issued Single Chip Microcomputer (SCM) system (4) on the I/O interface board with a speed initial value by serial ports, convert this speed initial value to the pulse signal identical by the ABS wheel speed signal analog module (3) on the interface board again with the wheel speed sensors frequency of operation, and send to anti-lock braking system in automobiles controller (1), after handling by the internal software pulse signals, sends by anti-lock braking system in automobiles controller (1) the valve control signal of pressure governor, the valve control signal of this pressure governor that the abs valve control signal acquisition module (2) on the interface board will collect sends to Single Chip Microcomputer (SCM) system (4) again, Single Chip Microcomputer (SCM) system (4) is issued this signal by serial ports the ABS test macro of microcomputer (9), circulation according to this, microcomputer (9) and I/O interface hardware and anti-lock braking system in automobiles controller (1) have constituted the closed-loop simulation detection system of anti-lock braking system in automobiles controller.
The man-machine interface of the online detection module of the ABS Performance Detection software of above-mentioned microcomputer (9) can realize the drafting to the speed of a motor vehicle, wheel speed, wheel acceleration, slip rate, pressure curve in the testing process, and evaluation indexes such as the braking distance in the braking procedure, time, stability factor, slip rate average, slip rate variance, adhesion coefficient utilization and adhesion coefficient utilization variance are carried out the numerical value demonstration.
The detection method of the present invention vehicle-mounted ABS system during to vehicle operating is: during detection, vehicle is in travels down, when car brakeing, the sampling switch of opening ABS data sampling module (6) carries out data sampling, close the sampling switch of ABS data sampling module (6) after vehicle stops, preserving data.
The man-machine interface of the data sampling module of the ABS Performance Detection software of above-mentioned microcomputer (9) can realize the speed of a motor vehicle in the testing process, wheel speed, wheel acceleration, slip rate curve are drawn and shown evaluation result.
The device for detecting performance of anti-lock braking system in automobiles of the present invention and controller thereof adopts the structure that comprises microcomputer, I/O interface board, power supply three parts, wherein operation ABS Performance Detection software in the microcomputer has been set up auto model, wheel model, brake system model and performance evaluation model in this software.The I/O interface board partly is to be core with the single-chip microcomputer, and collection data acquisition, signal take place and data transmission is the system of one, comprise abs valve control signal acquisition module, ABS wheel speed signal analog module, ABS data sampling module and serial communication module.The anti-lock braking system in automobiles controller is an object to be detected.Power supply of the present invention adopts direct current 24V stabilized voltage supply, for system and anti-lock braking system in automobiles controller provide working power.The present invention can realize vehicle and road analogy and braking procedure emulation, can carry out the indoor detection of efficient quick to anti-lock braking system in automobiles controller product, and vehicle-mounted ABS system tests can be to vehicle operating the time.The present invention can be used as the means that the ABS product quality detects, and also can be used as the aid of anti-lock braking system in automobiles controller exploitation.Detection method intuitive of the present invention is good, convenient and practical.
4, description of drawings:
Fig. 1 is the schematic diagram of anti-lock braking system in automobiles of the present invention and controller performance pick-up unit thereof.
Fig. 2 is the circuit diagram of abs valve control signal acquisition module of the present invention (2).
Fig. 3 is the circuit diagram of ABS wheel speed signal analog module of the present invention (3).
Fig. 4 is the circuit diagram of ABS data sampling module of the present invention (6).
Fig. 5 is that abs valve control signal acquisition module of the present invention (2), ABS wheel speed signal analog module (3), 51 Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6) and serial communication module (5) are integrated in the circuit diagram on the block I/O interface board.
5, embodiment:
Embodiment:
Structural representation of the present invention as shown in Figure 1, include abs valve control signal acquisition module (2), ABS wheel speed signal analog module (3), Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6), serial communication module (5), power regulator module (7), power supply (8), microcomputer (9), wherein microcomputer (9) is connected with Single Chip Microcomputer (SCM) system (4) by serial communication module (5), the output terminal of Single Chip Microcomputer (SCM) system (4) be used to receive wheel speed value that microcomputer (9) sends and the input end that this value converts the ABS wheel speed signal analog module (3) of ABS wheel speed sensors signal to be connected, the output terminal of ABS wheel speed signal analog module (3) is connected with anti-lock braking system in automobiles controller (1); Abs valve control signal acquisition module (2) is gathered the pressure governor control signal that anti-lock braking system in automobiles controller (1) sends, and these data are sent to microcomputer (9) by serial communication module (5); The input end of ABS data sampling module (6) is connected with anti-lock braking system in automobiles controller (1) by communication port, and the output terminal of ABS data sampling module (6) is connected with the input end of microcomputer (9).
Above-mentioned abs valve control signal acquisition module (2), ABS wheel speed signal analog module (3), Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6) and serial communication module (5) all are integrated on the block I/O interface board, as shown in Figure 5.
The circuit diagram of above-mentioned abs valve control signal acquisition module (2) as shown in Figure 2, include gating switch S1, current-limiting resistance P1, photoelectrical coupler U1, U2 and pull-up resistor P2, the end of gating switch S1 is connected with anti-lock braking system in automobiles controller (1) by Interface Terminal J1, the other end of gating switch S1 is connected with the input end of photoelectrical coupler U1, U2 by current-limiting resistance P1, and the output terminal of photoelectrical coupler U1, U2 is connected with Single Chip Microcomputer (SCM) system (4) by pull-up resistor P2.In the present embodiment, the valve control signal of anti-lock braking system in automobiles controller (1) is by the 1-8 road input of Interface Terminal J1, S1 controls the break-make of certain road signal, when certain way solenoid valve coil electricity, the input end of U1/U2 is exactly a high level, and the P1 mouth of output terminal and single-chip microcomputer joins, and at this moment corresponding positions is a low level just, be high level during no power, just know the duty of pressure governor like this by more same pressure governor two way solenoid valve signals.The signal condition that collects is issued microcomputer by serial communication module, just realized the valve control signal of ABS is gathered in real time.
The circuit diagram of above-mentioned ABS wheel speed signal analog module (3) as shown in Figure 3, include photoelectrical coupler U4, variable resistor R14-R18, speed light D9-D12, gating switch S2, S6, capacitance C6, C9, C12,15, current-limiting resistance R13, R17, R22, R27, the variable resistor R14-R18 that regulates photoelectrical coupler U4 output voltage is connected the delivery outlet of photoelectrical coupler U4, and the delivery outlet of photoelectrical coupler U4 is by gating switch S2, S6 with by capacitance C6, C9, C12, C15, current-limiting resistance R13, R17, R22, the mimic channel with the speed pickup equivalence that R27 constitutes is connected.In the present embodiment, variable resistor makes the voltage of delivery outlet 10-13 at 3-5V, the output break-make of S2/S6 control rate signal, and capacitance and current-limiting resistance constitute the mimic channel with the speed pickup equivalence.When single-chip microcomputer carries out negate to the position of P0.0, P0.2, P0.4, P0.6, can send the pulse signal consistent at delivery outlet 10,11,12,13, in order to drive the anti-lock braking system in automobiles controller with the ABS speed pickup.
The circuit diagram of above-mentioned ABS data sampling module (6) as shown in Figure 4, include sampling switch S5, current-limiting resistance R32, diode D14, polar capacitor C21, serial line interface J3, communication terminal interface J4, the end of sampling switch S5 joins by the communication terminal of communication terminal interface J4 and anti-lock braking system in automobiles controller (1), the other end of sampling switch S5 is connected with positive pole and the serial line interface J3 of polar capacitor C21, the negative pole of polar capacitor C21 is connected with the end of current-limiting resistance R32 and the positive pole of diode D14, and the negative pole of the other end of current-limiting resistance R32 and diode D14 is connected with serial line interface J3, and serial line interface J3 is connected with microcomputer (9).In the present embodiment, serial line interface J3 is 9 pin serial line interfaces, and when pressing sampling switch S5, the data that ECU can be sent send to microcomputer (9) by serial port.
Above-mentioned I/O interface board also is integrated with power regulator module (7); Above-mentioned Single Chip Microcomputer (SCM) system (4) is 51 series monolithics.
The indoor detection method of anti-lock braking system in automobiles controller of the present invention (1) is:
ABS performance test software in the microcomputer (9) is issued Single Chip Microcomputer (SCM) system (4) on the I/O interface board with a speed initial value by serial ports, convert this speed initial value to the pulse signal identical by the ABS wheel speed signal analog module (3) on the interface board again with the wheel speed sensors frequency of operation, and send to anti-lock braking system in automobiles controller (1), after handling by the internal software pulse signals, sends by anti-lock braking system in automobiles controller (1) the valve control signal of pressure governor, the valve control signal of this pressure governor that the abs valve control signal acquisition module (2) on the interface board will collect sends to Single Chip Microcomputer (SCM) system (4) again, Single Chip Microcomputer (SCM) system (4) is issued this signal by serial ports the ABS test macro of microcomputer (9), circulation according to this, microcomputer (9) and I/O interface hardware and anti-lock braking system in automobiles controller (1) have constituted the closed-loop simulation detection system of anti-lock braking system in automobiles controller.
The man-machine interface of the online detection module of the ABS Performance Detection software of above-mentioned microcomputer (9) can realize the drafting to the speed of a motor vehicle, wheel speed, wheel acceleration, slip rate, pressure curve in the testing process, and evaluation indexes such as the braking distance in the braking procedure, time, stability factor, slip rate average, slip rate variance, adhesion coefficient utilization and adhesion coefficient utilization variance are carried out the numerical value demonstration.
The detection method of the present invention vehicle-mounted ABS system during to vehicle operating is: during detection, vehicle is in travels down, when car brakeing, the sampling switch of opening ABS data sampling module (6) carries out data sampling, close the sampling switch of ABS data sampling module (6) after vehicle stops, preserving data.
The man-machine interface of the data sampling module of the ABS Performance Detection software of above-mentioned microcomputer (9) can realize the speed of a motor vehicle in the testing process, wheel speed, wheel acceleration, slip rate curve are drawn and shown evaluation result.
Claims (10)
1, the device for detecting performance of a kind of anti-lock braking system in automobiles and controller thereof, it is characterized in that including abs valve control signal acquisition module (2), ABS wheel speed signal analog module (3), Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6), serial communication module (5), power regulator module (7), power supply (8), microcomputer (9), wherein microcomputer (9) is connected with Single Chip Microcomputer (SCM) system (4) by serial communication module (5), the output terminal of Single Chip Microcomputer (SCM) system (4) be used to receive wheel speed value that microcomputer (9) sends and the input end that this value converts the ABS wheel speed signal analog module (3) of ABS wheel speed sensors signal to be connected, the output terminal of ABS wheel speed signal analog module (3) is connected with anti-lock braking system in automobiles controller (1); Abs valve control signal acquisition module (2) is gathered the pressure governor control signal that anti-lock braking system in automobiles controller (1) sends, and these data are sent to microcomputer (9) by serial communication module (5); The input end of ABS data sampling module (6) is connected with anti-lock braking system in automobiles controller (1) by communication port, and the output terminal of ABS data sampling module (6) is connected with the input end of microcomputer (9).
2, the device for detecting performance of anti-lock braking system in automobiles according to claim 1 and controller thereof is characterized in that above-mentioned abs valve control signal acquisition module (2), ABS wheel speed signal analog module (3), 51 Single Chip Microcomputer (SCM) system (4), ABS data sampling module (6) and serial communication module (5) all are integrated on the block I/O interface board.
3, the device for detecting performance of anti-lock braking system in automobiles according to claim 1 and controller thereof, it is characterized in that above-mentioned abs valve control signal acquisition module (2) includes gating switch S1, current-limiting resistance P1, photoelectrical coupler U1, U2 and pull-up resistor P2, the end of gating switch S1 is connected with anti-lock braking system in automobiles controller (1) by Interface Terminal J1, the other end of gating switch S1 is by current-limiting resistance P1 and photoelectrical coupler U1, the input end of U2 connects, photoelectrical coupler U1, the output terminal of U2 is connected with Single Chip Microcomputer (SCM) system (4) by pull-up resistor P2.
4, the device for detecting performance of anti-lock braking system in automobiles according to claim 1 and controller thereof, it is characterized in that above-mentioned ABS wheel speed signal analog module (3) includes photoelectrical coupler U4, variable resistor R14-R18, speed light D9-D12, gating switch S2, S6, capacitance C6, C9, C12,15, current-limiting resistance R13, R17, R22, R27, the variable resistor R14-R18 that regulates photoelectrical coupler U4 output voltage is connected the delivery outlet of photoelectrical coupler U4, and the delivery outlet of photoelectrical coupler U4 is by gating switch S2, S6 with by capacitance C6, C9, C12, C15, current-limiting resistance R13, R17, R22, the mimic channel with the speed pickup equivalence that R27 constitutes is connected.
5, the device for detecting performance of anti-lock braking system in automobiles according to claim 1 and controller thereof, it is characterized in that above-mentioned ABS data sampling module (6) includes sampling switch S5, current-limiting resistance R32, diode D14, polar capacitor C21, serial line interface J3, communication terminal interface J4, the end of sampling switch S5 joins by the communication terminal of communication terminal interface J4 and anti-lock braking system in automobiles controller (1), the other end of sampling switch S5 is connected with positive pole and the serial line interface J3 of polar capacitor C21, the negative pole of polar capacitor C21 is connected with the end of current-limiting resistance R32 and the positive pole of diode D14, the negative pole of the other end of current-limiting resistance R32 and diode D14 is connected with serial line interface J3, and serial line interface J3 is connected with microcomputer (9).
6,, it is characterized in that above-mentioned I/O interface board also is integrated with power regulator module (7) according to the device for detecting performance of each described anti-lock braking system in automobiles of claim 1 to 5 and controller thereof; Above-mentioned Single Chip Microcomputer (SCM) system (4) is 51 series monolithics.
7, the detection method of the device for detecting performance of anti-lock braking system in automobiles according to claim 1 and controller thereof is characterized in that the indoor detection method of anti-lock braking system in automobiles controller (1) is:
ABS performance test software in the microcomputer (9) is issued Single Chip Microcomputer (SCM) system (4) on the I/O interface board with a speed initial value by serial ports, convert this speed initial value to the pulse signal identical by the ABS wheel speed signal analog module (3) on the interface board again with the wheel speed sensors frequency of operation, and send to anti-lock braking system in automobiles controller (1), after handling by the internal software pulse signals, sends by anti-lock braking system in automobiles controller (1) the valve control signal of pressure governor, the valve control signal of this pressure governor that the abs valve control signal acquisition module (2) on the interface board will collect sends to Single Chip Microcomputer (SCM) system (4) again, Single Chip Microcomputer (SCM) system (4) is issued this signal by serial ports the ABS test macro of microcomputer (9), circulation according to this, microcomputer (9) and I/O interface hardware and anti-lock braking system in automobiles controller (1) have constituted the closed-loop simulation detection system of anti-lock braking system in automobiles controller.
8, the detection method of the device for detecting performance of anti-lock braking system in automobiles according to claim 7 and controller thereof, the man-machine interface of online detection module that it is characterized in that the ABS Performance Detection software of above-mentioned microcomputer (9) can realize the drafting to the speed of a motor vehicle, wheel speed, wheel acceleration, slip rate, pressure curve in the testing process, and evaluation indexes such as the braking distance in the braking procedure, time, stability factor, slip rate average, slip rate variance, adhesion coefficient utilization and adhesion coefficient utilization variance are carried out numerical value shows.
9, the detection method of the device for detecting performance of anti-lock braking system in automobiles according to claim 1 and controller thereof, the detection method of vehicle-mounted ABS system is when it is characterized in that vehicle operating: during detection, vehicle is in travels down, when car brakeing, the sampling switch of opening ABS data sampling module (6) carries out data sampling, close the sampling switch of ABS data sampling module (6) after vehicle stops, preserving data.
10, the detection method of the device for detecting performance of anti-lock braking system in automobiles according to claim 9 and controller thereof, the man-machine interface of data sampling module that it is characterized in that the ABS Performance Detection software of microcomputer (9) can realize the speed of a motor vehicle in the testing process, wheel speed, wheel acceleration, slip rate curve are drawn and shown evaluation result.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100358525A CN100494948C (en) | 2005-07-13 | 2005-07-13 | Vehicle anti-block brake system and detection device and method for performance of its controller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100358525A CN100494948C (en) | 2005-07-13 | 2005-07-13 | Vehicle anti-block brake system and detection device and method for performance of its controller |
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| CN1912565A true CN1912565A (en) | 2007-02-14 |
| CN100494948C CN100494948C (en) | 2009-06-03 |
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| CN102043406A (en) * | 2010-09-15 | 2011-05-04 | 苏州凌创电子***有限公司 | Function detection equipment for anti-lock braking system (ABS) control module |
| CN102135775A (en) * | 2010-12-28 | 2011-07-27 | 江西洪都航空工业集团有限责任公司 | Test method and tester for electronic skid control box of airplane |
| CN102353543A (en) * | 2011-06-09 | 2012-02-15 | 华南理工大学 | Testing method for monitoring automotive ABS (Antilock Braking System) performance based on hub type intelligent sensing self-adaptive variable-frequency sampling |
| CN102495624A (en) * | 2011-12-02 | 2012-06-13 | 湖南大学 | Automatic ABSECU detection device |
| CN103513652A (en) * | 2013-10-14 | 2014-01-15 | 万向钱潮股份有限公司 | Novel device and method simulating ABS wheel speed failure |
| CN104880321A (en) * | 2015-05-18 | 2015-09-02 | 京西重工（上海）有限公司 | Environment simulator used for testing anti-lock brake system |
| CN106289802A (en) * | 2016-08-12 | 2017-01-04 | 南京理工大学 | A kind of portable vehicle wheel speed signal generating means |
| CN108871807A (en) * | 2018-09-21 | 2018-11-23 | 南京众控电子科技有限公司 | A kind of automobile ABS simulated testing system |
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| CN102135775A (en) * | 2010-12-28 | 2011-07-27 | 江西洪都航空工业集团有限责任公司 | Test method and tester for electronic skid control box of airplane |
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| CN102353543B (en) * | 2011-06-09 | 2014-01-15 | 华南理工大学 | Testing method for monitoring automotive ABS (Antilock Braking System) performance based on hub type intelligent sensing self-adaptive variable-frequency sampling |
| CN102495624A (en) * | 2011-12-02 | 2012-06-13 | 湖南大学 | Automatic ABSECU detection device |
| CN103513652A (en) * | 2013-10-14 | 2014-01-15 | 万向钱潮股份有限公司 | Novel device and method simulating ABS wheel speed failure |
| CN103513652B (en) * | 2013-10-14 | 2017-04-19 | 万向钱潮股份有限公司 | Novel device and method simulating ABS wheel speed failure |
| CN104880321A (en) * | 2015-05-18 | 2015-09-02 | 京西重工（上海）有限公司 | Environment simulator used for testing anti-lock brake system |
| CN104880321B (en) * | 2015-05-18 | 2018-02-06 | 京西重工（上海）有限公司 | For testing the environment simulator of anti-lock braking system |
| CN106289802A (en) * | 2016-08-12 | 2017-01-04 | 南京理工大学 | A kind of portable vehicle wheel speed signal generating means |
| CN108871807A (en) * | 2018-09-21 | 2018-11-23 | 南京众控电子科技有限公司 | A kind of automobile ABS simulated testing system |
| CN108871808A (en) * | 2018-09-21 | 2018-11-23 | 南京众控电子科技有限公司 | A kind of wheel speed sensors simulator |
| CN109406171A (en) * | 2018-10-31 | 2019-03-01 | 北京华奥汽车服务股份有限公司 | A kind of quiet dynamic fault sunykatuib analysis instrument of motor vehicle braking system and its detection method |
| CN109406171B (en) * | 2018-10-31 | 2024-01-09 | 华奥安心技术服务(集团)股份有限公司 | Static and dynamic fault simulation analyzer of vehicle braking system and detection method thereof |
| CN110456770A (en) * | 2019-08-08 | 2019-11-15 | 中国汽车技术研究中心有限公司 | A kind of automobile electronic control unit circuit pulse failure simulation device |
| CN113485155A (en) * | 2021-06-04 | 2021-10-08 | 浙江亚太机电股份有限公司 | Universal wheel speed simulator and method |
| CN113485155B (en) * | 2021-06-04 | 2024-05-10 | 浙江亚太机电股份有限公司 | Universal wheel speed simulator and method |
| CN114608842A (en) * | 2022-03-24 | 2022-06-10 | 重庆长安汽车股份有限公司 | Electric control brake test bench |
| CN116223835A (en) * | 2023-03-08 | 2023-06-06 | 浙江汉博汽车传感器有限公司 | Wheel speed monitoring system and wheel speed sensor |
| CN116223835B (en) * | 2023-03-08 | 2023-09-22 | 浙江汉博汽车传感器有限公司 | Wheel speed monitoring system and wheel speed sensor |
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