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Semi-global output regulation for linear systems with input saturation by output feedback CNF control

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2 Author(s)
Xiao Yu ; Dept. of Autom., Xiamen Univ., Xiamen, China ; Weiyao Lan

This paper proposes an output feedback composite nonlinear feedback (CNF) control method for semi-global output regulation problem of linear systems with input saturation. Based on the state feedback CNF control law for the semi-global output regulation problem, an observer is designed to construct an output feedback CNF control law that also solves the semi-global output regulation problem. A sufficient solvability condition for semi-global output regulation problem is established in the paper. It is shown that the solvability condition of the semi-global output regulation problem by output feedback CNF control is the same as that of the semi-global output regulation problem by output feedback linear control. Thus, the CNF control technique can be applied to improve the transient performance for the semi-global output regulation problem. The improvement of the transient performance is illustrated by a regulation problem of a benchmark translational oscillator with rotational actuator system.

Published in:

Control and Decision Conference (CCDC), 2012 24th Chinese

Date of Conference:

23-25 May 2012