Research of output feedback H™ switched control to dynamical positioning of a vessel

Abstract

During the research of dynamic poisoning system, the H_∞ switched controller is used to the system in this paper firstly, It designs H_∞ switched controller based on the ship model. Secondly, we prove the asymptotic stability using the Lyapunov function. Based on H_∞ stability theory, we can obtain the controller gain by solving an LMI. Finally simulations show that the controller has better control effect, can overcome the wind, wave, current interference.