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Robust sensor fault detection and isolation for a Steer-by-Wire system based on sliding mode observer

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3 Author(s)
Dhahri, S. ; Higher Sch. of Sci. & Tech. of Tunis, Univ. of Tunis, Tunis, Tunisia ; Sellami, A. ; Ben Hmida, F.

A new approach for the design of robust H sliding mode observer for Steer-by-Wire (SBW) systems with parametric uncertainties and sensor faults is proposed based on linear matrix inequalities (LMIs). The resulting H observer guarantees asymptotic stability of the estimation error dynamics and is robust against parametric uncertainties. A sensor fault estimation scheme is presented where the estimated signal can approximate the fault signal to any accuracy. The effectiveness of the proposed approach is verified by simulations.

Published in:

Electrotechnical Conference (MELECON), 2012 16th IEEE Mediterranean

Date of Conference:

25-28 March 2012