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Asynchronous fault detection filter design approach for disc
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Автор:  san [ 27 вересня 2014, 19:09 ]
Тема повідомлення:  Asynchronous fault detection filter design approach for disc

Asynchronous fault detection filter design approach for discrete-time switched linear systems
посилання
Цитата:
This paper is concerned with the problem of the fault detection filter design for discrete-time switched linear systems with average dwell-time. The designed fault detection filters are also switched systems, which are assumed to be asynchronously switched with the original switched systems. Improved results on the weighted l2 performance and the H −  performance are first given, and the multiple Lyaounov-like functions during matched period and unmatched period for the running time of one subsystem are used. By the aid of multiple Lyapunov-like functions combined with Projection Lemma, the FD filters are designed such that the augmented systems under asynchronous switching are exponentially stable, and the residual signal generated by the filters achieves the weighted l2-gain for disturbances and guarantees the H −  performance for faults. Sufficient conditions are formulated by linear matrix inequalities, and the filter gains are characterized in terms of the solution of a convex optimization problem. Finally, examples are provided to demonstrate the effectiveness of the proposed design method. Copyright © 2012 John Wiley & Sons, Ltd.

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