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Output feedback stabilization of polytopic-type uncertain discrete systems with interval-like time-varying state and input delays
conference contributionposted on 06.12.2017, 00:00 by Xiao Hua GeXiao Hua Ge, Xiefu JiangXiefu Jiang, Qing-Long HanQing-Long Han
The output feedback stabilization of polytopic-type uncertain discrete systems with interval-like time-varying state and input delays is studied. Based on a new bounding inequality technique, combining a parameter-dependent Lyapunov functional, a stability criterion is firstly presented in terms of a set of simple convex feasibility tests. Then, the output feedback stabilization conditions are formulated in the form of non-convex matrix inequalities, of which a feasible solution can be obtained by solving an LMI-based minimization problem. The newly proposed inequality lies in the partitioning idea of the varying interval and shows its more tightness over some existing bounding techniques. No free weighting matrix is involved. Two illustrative examples are finally given to verify the advantage and effectiveness of the proposed method.