Turkish Journal of Electrical Engineering and Computer Sciences

Stability of a Set of Matrices with Applications to Automatic Control




The concepts of asymptotic stability of a set matrices are defined and investigated. Asymptotic stability of a set of matrices requires that all infinite products of matrices from that set tend to zero. Asymptotic stabilizatibility of a set matrices, however, requires that there is at least one such sequence in the set. The upper and lower spectral radius of a set defined to aid in the analysis. Necessary and sufficient conditions for asymptotic stability and stabilizatibility are provided leading to some methods using Lyapunov theory and linear matrix inequalities. Finally some problems from different areas of control are considered including hybrid systems. It is shown that the theory of matrix sets is helpful in analysis and design of certain classes of control systems.

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