Automatica (Journal of IFAC)
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Based on the guaranteed cost control theories and other related theories about switched systems, this paper studies the guaranteed cost control for a class of uncertain switched singular systems. First by using the common Lyapunov functions method, a sufficient condition on the existence of state feedback guaranteed cost controller is derived under arbitrary switching laws. Then given a guaranteed cost controller design method which is express in the form of linear matrix inequality (LMI). A numerical example demonstrates the validity of the proposed design approach.