Robust Schur stability and robust /spl Hscr//sub 2/ performance for uncertain systems with nonlinear parametric uncertainties

The problems of robust stability and robust /spl Hscr//sub 2/ performance for uncertain discrete time systems with nonlinear parametric uncertainties are addressed. Two fairly general families of state space models depending nonlinearly on one or two uncertain parameters are considered. For these tw...

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Bibliographic Details
Published inProceedings of 35th IEEE Conference on Decision and Control Vol. 1; pp. 327 - 332 vol.1
Main Authors Ke-You Zhao, Stoustrup, J.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1996
Subjects
Control systems
Eigenvalues and eigenfunctions
Performance analysis
Robust control
Robust stability
Stacking
Uncertain systems
Vectors
White noise
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Summary:The problems of robust stability and robust /spl Hscr//sub 2/ performance for uncertain discrete time systems with nonlinear parametric uncertainties are addressed. Two fairly general families of state space models depending nonlinearly on one or two uncertain parameters are considered. For these two families explicit expressions for the Schur stability radius and for the /spl Hscr//sub 2/ robust performance radius in the case of uncertainties with a single parameter are obtained, and a line search algorithm for the two problems in case of two parameters is provided. For both problems explicit necessary and sufficient conditions are derived. An illustrative example demonstrates the algorithms.
ISBN:9780780335905
0780335902
ISSN:0191-2216
DOI:10.1109/CDC.1996.574328