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Fault detection for linear discrete time-varying systems

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3 Author(s)
Xiaobo Li ; Inst. for Aerosp. Studies, Univ. of Toronto, Toronto, ON, Canada ; Song-Feng Mo ; Kemin Zhou

Several robust fault detection problems for linear discrete time-varying systems have been given in this paper. It is shown that the optimal robust detection filters for those well-recognized robust fault detection problems, such as ℋ-/ℋ, ℋ2/ℋ and ℋ/ℋ problems, have the same observer structure, whose gain can be obtained by solving a standard difference Riccati equation. Furthermore, the solution is also extended to the case when the initial state is nonzero. Finally, an example is used to illustrate our results.

Published in:

Decision and Control (CDC), 2010 49th IEEE Conference on

Date of Conference:

15-17 Dec. 2010