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Composite disturbance-observer-based control and H control for time-delay systems with nonlinear perturbations

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3 Author(s)
Yan Peng ; Coll. of Sci., China Three Gorges Univ., Yichang, China ; Shen Yanjun ; Jiao Jian

This paper considers the problem of composite disturbance-observer-based control (DOBC) and H control for time-delay systems with nonlinear perturbations. The external disturbance is supposed to be generated by an exogenous system with time delay. After designing the corresponding disturbance observer and controller, we obtain a complex closed-loop time-delay system. Based on the LMI technologies and Lyapunov stability theory, we ensure the asymptotical stability and a prescribed H level of the obtained closed-loop system, which means the disturbance rejection and guarantees asymptotical stability and a prescribed H level of the considered time-delay system with nonlinear perturbations. Finally, simulation illustrates the effectiveness of the proposed methods.

Published in:

Control Conference (CCC), 2010 29th Chinese

Date of Conference:

29-31 July 2010