Output tracking control of switched nonlinear systems with multiple time-varying delays

L. Susana Ramya, R. Sakthivel, A. Leelamani, P. Dhanalakshmi and N. Sakthivel

International Journal of Systems Science, 2018, vol. 49, issue 11, 2373-2384

Abstract: In this paper, the output tracking control problem for a class of switched nonlinear systems with multiple time-varying delays is studied based on equivalent-input-disturbance (EID) approach. More precisely, with the use of suitable Lyapunov-Krasovskii functional together with average dwell-time technique, an output feedback tracking controller is designed which makes that the states of resulting system can asymptotically track the desired trajectory. Further, the EID estimator is implemented to reject both matched and unmatched disturbances effectively without requiring any prior knowledge of the disturbances. Simulation results are presented to illustrate the effectiveness and potential of the developed EID-based output tracking control design technique. The results reveal the fact that the tracking controller based on EID provides a better tracking performance than the feedback controller based on sliding mode technique.

Date: 2018
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DOI: 10.1080/00207721.2018.1501831

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