NDLI: Diagnosis and actuator fault tolerant control in vehicle active suspension

Content Provider	IEEE Xplore Digital Library
Author	Yetendje, A. Seron, M. De Dona, J.
Copyright Year	2007
Description	Author affiliation: ARC Centre of Excellence for Complex Dynamic Syst. & Control, Newcastle Univ., Callaghan, NSW (Yetendje, A.; Seron, M.; De Dona, J.)
Abstract	This paper presents an application of a diagnosis and a fault tolerant control method for an active suspension system. This method detects and identifies an actuator fault and reconfigures the controller in order to maintain the ride comfort and vehicle performance in the presence of road disturbances. The proposed scheme consists of a diagnosis module and a controller reconfiguration module. The diagnosis module is based on the Unknown Input Observer approach to detect and identify actuator faults. A bank of observers is designed to generate residual signals such that each of them matches the system in a defined actuator fault mode. The controller reconfiguration module consists of a bank of controllers, each corresponding to a fault mode of the system. The module then changes the control law after the detection and the identification of an actuator fault. Simulation results show the effectiveness of the scheme applied to the active suspension system, which keeps its properties under the occurrence of severe faults.
Starting Page	153
Ending Page	158
File Size	1181416
Page Count	6
File Format	PDF
ISBN	9781424418992
DOI	10.1109/ICIAFS.2007.4544795
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-12-04
Publisher Place	Australia
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Actuators unknown input observer vehicle active suspension detection fault tolerance actuator fault Control systems Fault diagnosis Fault tolerance identification Fault detection Vehicle detection Fault tolerant systems Road vehicles Signal generators Signal design
Content Type	Text
Resource Type	Article

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