Practical tracking for a class of p-norm switched nonlinear systems via sampled-data control

Abstract

This paper addresses the practical tracking problem for a class of p-norm switched nonlinear systems via sampled-data control. Firstly, a continuous-time output feedback controller is designed for the nominal system. Then, a reduced-order observer with sampling information is constructed to estimate the unmeasurable states. Finally, by discretizing the continuous-time output feedback controller with proper sampling period, a sampled-data output feedback controller is obtained to ensure that all the states of the closed-loop system are globally bounded and the tracking error can be arbitrarily small after a finite time.