Robust - Filtering for Discrete-Time Delay Systems

Chengming Yang, Zhandong Yu, Pinchao Wang, Zhen Yu, Hamid Reza Karimi and Zhiguang Feng

Mathematical Problems in Engineering, 2013, vol. 2013, 1-10

Abstract:

The problem of robust - filtering for discrete-time system with interval time-varying delay and uncertainty is investigated, where the time delay and uncertainty considered are varying in a given interval and norm-bounded, respectively. The filtering problem based on the - performance is to design a filter such that the filtering error system is asymptotically stable with minimizing the peak value of the estimation error for all possible bounded energy disturbances. Firstly, sufficient - performance analysis condition is established in terms of linear matrix inequalities (LMIs) for discrete-time delay systems by utilizing reciprocally convex approach. Then a less conservative result is obtained by introducing some variables to decouple the Lyapunov matrices and the filtering error system matrices. Moreover, the robust - filter is designed for systems with time-varying delay and uncertainty. Finally, a numerical example is given to demonstrate the effectiveness of the filter design method.

Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:408941

DOI: 10.1155/2013/408941

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