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Off-line detecting method for ABS wheel speed sensor

A technology of wheel speed sensor and detection method, which is applied in the testing of machine/structural components, vehicle testing, instruments, etc., which can solve the problems of complexity, cost, unfavorable popularization and use, etc., and achieve the effect of reducing costs

Inactive Publication Date: 2007-09-12
SHANGHAI AUTOMOTIVE BRAKE SYST
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Problems solved by technology

Usually this method of signal detection needs to be equipped with an expensive digital acquisition and analysis system, which is relatively complicated and expensive, and is not conducive to the promotion and use in the Chinese market.

Method used

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  • Off-line detecting method for ABS wheel speed sensor

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Embodiment Construction

[0024] The technical solution of the present invention will be further described below in conjunction with the embodiments and the accompanying drawings.

[0025] Firstly, introduce the use environment of the present invention. The present invention is used on the ECU of the ABS system. The ECU is an indispensable part of the ABS system. The present invention is based on the use of the ECU for detection. Compared with the traditional detection method, this The invention does not need to use another digital acquisition and analysis system, and only needs to use ECU to complete the detection.

[0026] Next, introduce an embodiment of the detection method of the present invention, which embodiment comprises the following steps:

[0027] a. Define the detection start speed Vmin, when the wheel speed detected by the wheel speed sensor Vwheel

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Abstract

The off-line ABS wheel speed sensor detecting process includes the following steps: a. defining detection starting speed Vmin and starting detection when the wheel speed sensor detects Vwheel B60T 17 / 22 G01M 17 / 00 1 7 3 2004 / 1 / 14 1640740 2005 / 7 / 20 100336689 2007 / 9 / 12 2007 / 9 / 12 2007 / 9 / 12 Shanghai Automobile Brake System Co., Ltd. Shanghai 201800 Wang Zhihuang Hu Guoliang Jin Haidong chen liang 31100 Shanghai Patent Agency Building 34--35, No.2650 Zhongshan North Road, Shanghai 200063

Description

technical field [0001] The invention relates to a detection method of an ABS wheel speed sensor, in particular to an off-line detection method of an ABS wheel speed sensor. Background technique [0002] Electronic control technology is widely used in modern automobiles, and a large number of electromechanical hydraulic and electromechanical integration designs controlled by microcomputers are used. The ABS system is one such system. The ABS system uses four wheel speed sensors as input signals. In order to ensure the normal operation of the ABS system, all wheel speed sensor signals must be checked before leaving the factory. Usually this method of signal detection needs to be equipped with an expensive digital acquisition and analysis system, which is relatively complicated and expensive, and is very unfavorable for popularization and use in the Chinese market. Contents of the invention [0003] The purpose of the present invention is to provide a method for offline det...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T17/22G01M17/00
Inventor 王志煌胡国亮金海东杨晓建雷晓峰
Owner SHANGHAI AUTOMOTIVE BRAKE SYST