The Estimation of Ambiguous Change in 4WS Control  System Using Failure Detection Filter

Hiroyuki Yamaguchi; Masataka Osawa; Norio Iwama; Masaki Yamamoto

doi:10.20965/jrm.1995.p0312

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JRM Vol.7 No.4 pp. 312-318

doi: 10.20965/jrm.1995.p0312

(1995)

Paper:

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The Estimation of Ambiguous Change in 4WS Control System Using Failure Detection Filter

Hiroyuki Yamaguchi^, Masataka Osawa^, Norio Iwama^*
and Masaki Yamamoto^**

^*Toyota Central Research & Development Laboratories, Inc., 41-1, Yokomichi, Oaza, Nagakute, Nagakute-cho, Aichi-gun, Aichi-ken, 480-11 Japan

^**Toyota Motor Corporation, 1200, Mishuku, Susono-shi, Shizuoka, 410-11 Japan

Received:

June 19, 1995

Accepted:

June 30, 1995

Published:

August 20, 1995

Keywords:

Automotive, Observer, Sensor, Actuator, Diagnostics

Abstract

This paper presents a new method for estimating the ambiguous change in a 4WS control system using failure detection filter. This filter is designed to discriminate ambiguous failure modes in the control system by processing output errors between sensors and an observer. The result of the experiments using a 4WS vehicle revealed that the filter can estimate the failures of the sensors and the actuator with high accuracy. The effects of lateral wind and other disturbances on the filter were also clarified.

Cite this article as:

Hiroyuki Yamaguchi, Masataka Osawa, and Norio Iwama
and Masaki Yamamoto, “The Estimation of Ambiguous Change in 4WS Control System Using Failure Detection Filter,” J. Robot. Mechatron., Vol.7, No.4, pp. 312-318, 1995.

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This article is published under a Creative Commons Attribution-NoDerivatives 4.0 International License.

The Estimation of Ambiguous Change in 4WS Control System Using Failure Detection Filter

Hiroyuki Yamaguchi*, Masataka Osawa*, Norio Iwama* and Masaki Yamamoto**

Hiroyuki Yamaguchi^, Masataka Osawa^, Norio Iwama^*
and Masaki Yamamoto^**