Discrete-time adaptive control of output-feedback nonlinear systems

We propose a novel approach which guarantees global stability and regulation for the class of discrete-time output-feedback nonlinear systems. There are no growth conditions imposed on the nonlinearities; however, since we assume that only the output is available for measurement, the nonlinearities...

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Bibliographic Details
Published inProceedings of the 36th IEEE Conference on Decision and Control Vol. 5; pp. 4326 - 4331 vol.5
Main Authors Jiaxiang Zhao, Kanellakopoulos, I.
Format Conference Proceeding
LanguageEnglish
Published IEEE 1997
Subjects
Adaptive control
Control nonlinearities
Control systems
Ear
Force control
Linearity
Nonlinear control systems
Nonlinear systems
Parameter estimation
Stability
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ISBN0780341872
9780780341876
ISSN0191-2216
DOI10.1109/CDC.1997.649528

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Summary:We propose a novel approach which guarantees global stability and regulation for the class of discrete-time output-feedback nonlinear systems. There are no growth conditions imposed on the nonlinearities; however, since we assume that only the output is available for measurement, the nonlinearities are required to depend only on that output. Our approach represents a drastic departure from traditional "certainty-equivalence"-based schemes, since it adopts a two-part control strategy which begins with a finite-duration active identification phase followed by the actual control phase.
ISBN:0780341872
9780780341876
ISSN:0191-2216
DOI:10.1109/CDC.1997.649528