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Robust fault detection observer for discrete LTI uncertain systems

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2 Author(s)
Xiukun Wei ; Delft Center for Syst. & Control, Delft Univ. of Technol., Delft, Netherlands ; Lihua Liu

This paper addresses the robust fault detection observer design for discrete LTI systems with additive model uncertainties. The observer design is investigated under the Hinfin/H- index framework in the finite frequency domain where the generalized KYP lemma is used. The threshold design and the worst undetectable fault size estimation are also considered in this paper. A practical application example is given to illustrate the effectiveness of the algorithm obtained in the paper.

Published in:

Industrial Electronics and Applications, 2009. ICIEA 2009. 4th IEEE Conference on

Date of Conference:

25-27 May 2009