Robust stability and stabilization of discrete singular systems with interval time-varying delay and linear fractional uncertainty

Authors:
Jian-Min Jiao
Affiliations:
Department of Mathematics, Baoji University of Arts and Sciences, Baoji, PRC 721013
Venue:
International Journal of Automation and Computing
Year:
2012

Citing 4
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Abstract

The robust stability and robust stabilization problems for discrete singular systems with interval time-varying delay and linear fractional uncertainty are discussed. A new delay-dependent criterion is established for the nominal discrete singular delay systems to be regular, causal and stable by employing the linear matrix inequality (LMI) approach. It is shown that the newly proposed criterion can provide less conservative results than some existing ones. Then, with this criterion, the problems of robust stability and robust stabilization for uncertain discrete singular delay systems are solved, and the delay-dependent LMI conditions are obtained. Finally, numerical examples are given to illustrate the effectiveness of the proposed approach.