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A new robust D-stability condition for real convex polytopic uncertainty. (English) Zbl 0977.93067
Summary: The problem of robust D-stability analysis with respect to real convex polytopic uncertainties is tackled. A new LMI-based sufficient condition for the existence of parameter-dependent Lyapunov functions is proposed. This condition generalises previously published conditions. Numerical comparisons with quadratic stability results as well as previous results based on parameter-dependent Lyapunov functions illustrate the relevance of this new condition. Finally, this result appears to be promising for robust multi-objective performance analysis and control synthesis purposes.

MSC:
93D09 Robust stability
93D30 Lyapunov and storage functions
15A39 Linear inequalities of matrices
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