Fault Tolerant Control Strategy for Four Wheel Steer-by-Wire Systems

Seonghun Noh; Baek-soon Kwon

doi:10.22680/kasa2023.15.2.013

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2023 Vol.15, Issue 2 Preview Page Next Page

Fault Tolerant Control Strategy for Four Wheel Steer-by-Wire Systems 4륜 조향을 이용한 Steer-by-Wire 시스템의 고장 허용 제어 전략

30 June 2023. pp. 13-20

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Abstract

This paper presents a fault tolerant control strategy for Steer-by-Wire (SbW) systems. Among many problems to be solved before commercialization of SbW systems, maintaining reliability and fault tolerance in such systems are the most pressing issues. In most previous studies, dual steering motors are used to achieve actuation redundancy. However, relatively few studies have been conducted to introduce fault tolerant control strategies using rear wheel steering system. In this work, an actuator fault in front wheel steering is compensated by active rear wheel steering. The proposed fault tolerant control algorithm consists of disturbance observer and sliding mode control. The fault tolerant control performance of the proposed approach is validated via computer simulation studies with Carsim vehicle dynamics software and MATLAB/Simulink.

Keywords

Fault tolerant control

Four Wheel Steering

Steer-by-Wire

Disturbance observer

Sliding mode control

키워드

고장 허용 제어

4륜 조향

전자제어 조향 시스템

외란 관측기

슬라이딩 모드 제어

References

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Information

Publisher :Korean Auto-vehicle Safety Association
Publisher(Ko) :한국자동차안전학회
Journal Title :Journal of Auto-vehicle Safety Association
Journal Title(Ko) :자동차안전학회지
Volume : 15
No :2
Pages :13-20
Received Date : 2022-04-13
Revised Date : 2023-06-19
Accepted Date : 2023-06-20
DOI :https://doi.org/10.22680/kasa2023.15.2.013

Journal of Auto-vehicle Safety Association 자동차안전학회지 ISSN:2005-9396(Print)

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