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		Tianshi CHEN,Jie HUANG.[en_title][J].Control Theory and Technology,2010,8(3):262~270.[Copy]

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TianshiCHEN,JieHUANG
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DOI：10.1007/s00442-005-0050-3

Received:January 18, 2010Revised:January 18, 2010

基金项目:This work was supported by a grant from the Research Grants Council of the Hong Kong Special Administration Region (Project 412006).

Global robust stabilization of feedforward systems with uncertainties

Tianshi CHEN,Jie HUANG

(Department of Electrical Engineering, Linkoping University;Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong)

Abstract:

This paper studies the global robust stabilization problem for a class of feedforward systems that is subject to both dynamic and time-varying static uncertainties. A small gain theorem-based bottom-up recursive design is developed for constructing a nested saturation control law. At each recursion, two versions of small gain theorem with restrictions are employed to establish the global attractiveness and local stability of the closed-loop system at the equilibrium point, respectively.

Key words: Robust control Nonlinear systems Asymptotic stabilization