Transactions of the Institute of Systems, Control and Information Engineers
Online ISSN : 2185-811X
Print ISSN : 1342-5668
ISSN-L : 1342-5668
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Fault-Tolerant Control Based on Hybrid Redundancy
Taro TakagiMasanori Takahashi
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2011 Volume 24 Issue 8 Pages 185-192

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Abstract

This paper presents a new fault-tolerant control system (FTCS) against actuator failures. The proposed FTCS is based on a hybrid of static and dynamic redundancies. The redundancy-mode is selected appropriately by only a switching logic which is designed from the control performance. Hence, no fault detector is utilized. For all switched modes, a unity high-gain feedback controller with a parallel feedforward compensator is introduced to attain the stabilization and the asymptotic tracking. Because the controller has high robustness with respect to uncertainties, the FTCS can cope with variations in dynamics that is caused by the failure. In this paper, several simulation results for the connected vehicles are shown to confirm the effectiveness of the FTCS.

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© 2011 The Institute of Systems, Control and Information Engineers
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