Non-smooth state feedback prescribed performance control for interconnected nonlinear systems with unmodelled dynamics

Changchun Hua, Lili Wu, Yu Zhang and Yafeng Li

International Journal of Systems Science, 2018, vol. 49, issue 14, 2888-2899

Abstract: This paper investigates the problem of non-smooth state feedback control for a group of high-order p-normal form interconnected nonlinear systems with prescribed performance. Each subsystem is in the form of triangular structure with the unmodelled dynamics. With the help of appropriate Lyapunov function, a state feedback controller is constructed via backstepping method. It is strictly proved that the closed-loop system is asymptotically stable and both transient and steady-state performances of the outputs are preserved. Finally, simulation results are presented to illustrate the effectiveness of proposed method.

Date: 2018
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DOI: 10.1080/00207721.2018.1512678

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