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Global robust disturbance attenuation and almost disturbance decoupling for uncertain cascaded nonlinear systems

Su, Weizhou ; Xie, Lihua ; de Souza, Carlos E.

Automatica (Oxford), 1999, Vol.35 (4), p.697-707 [Periódico revisado por pares]

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Título:
Global robust disturbance attenuation and almost disturbance decoupling for uncertain cascaded nonlinear systems
Autor: Su, Weizhou ; Xie, Lihua ; de Souza, Carlos E.
Assuntos: [formula omitted] control ; [formula omitted]-gain ; Applied sciences ; Computer science; control theory; systems ; Control system synthesis ; Control theory. Systems ; Disturbance decoupling ; Exact sciences and technology ; Nonlinear systems ; Robust control
É parte de: Automatica (Oxford), 1999, Vol.35 (4), p.697-707
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
Descrição: This paper studies the problem of global robust H ∞ disturbance attenuation for a class of non-minimum-phase nonlinear systems subject to parameter uncertainty. The problem addressed is the design of a state feedback controller such that the closed-loop system is input-to-state stable and the L 2 -gain from the disturbance input to the controlled output is not larger than a prescribed value for all admissible parameter uncertainties. A recursive Lyapunov-based design approach is developed to construct the controller explicitly. The problem of global robust H ∞ almost disturbance decoupling, where the level of disturbance attenuation can be made arbitrarily small for all allowed uncertainties, is also addressed.
Editor: Oxford: Elsevier Ltd
Idioma: Inglês

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