H infinity control of T-S fuzzy systems using Piecewise Lyapunov Function based Switching Fuzzy Controller

Abstract

In this study, the piecewise Lyapunov function based switching fuzzy controller is proposed to get a relaxed criterion for the H-infinity control of continuous T-S fuzzy systems. The particle swarm optimization (PSO) algorithm, which is useful for nonlinear optimization problem, is utilized with the LMI tool to get the optimal H-infinity performance due to that some conditions of the criterion are bilinear with the s-procedure parameters. The simulation results have shown the validity of the proposed H-infinity control method.