Delay-dependent H∞filtering for nonlinear systems via T-S fuzzy model approach

Authors:
Yakun Su;Bing Chen;Chong Lin
Affiliations:
Institute of Complexity Science, Qingdao University, Qingdao and Department of Mathematics, Bohai University, Jinzhou;Institute of Complexity Science, Qingdao University, Qingdao;Institute of Complexity Science, Qingdao University, Qingdao
Venue:
CCDC'09 Proceedings of the 21st annual international conference on Chinese Control and Decision Conference
Year:
2009

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Abstract

This paper focuses on the problem of H∞ filter design for nonlinear systems with time-varying delays. A new approach of filter design is proposed. The present results may improve the existing ones due to a method to estimate the upper bound of the derivative of Lyapunov functional without ignoring some useful terms. A sufficient condition for the existence of such a filter is established by using the linear matrix inequality (LMI) approach. Finally, an example is given to demonstrate the effectiveness and the benefits of the proposed method.