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Constrained output feedbacks for singularly perturbed imperfectly known nonlinear systems

✍ Scribed by H.S. Binning; D.P. Goodall

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 222 KB
Volume: 336
Category: Article
ISSN: 0016-0032
DOI: 10.1016/s0016-0032(98)00038-6

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✦ Synopsis

Global attractors are investigated for a class of imperfectly known, singularly perturbed, nonlinear systems subject to control constraints. The uncertain systems are modelled as nonlinear perturbations to a known nonlinear idealized system. The model is represented by two time-scale systems involving a scalar singular perturbation parameter, which reduces to a system of lower order when the singular perturbation parameter is set to zero. A class of constrained static output feedback controllers is developed which guarantees global attractivity of a compact set, containing the state origin, for all values of the singular perturbation parameter less than some threshold value.

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