Theoretical Analysis for a Design of Delay-Dependent Fuzzy Control System with Input Saturation

This paper takes the fuzzy control approach to dealing with stability analysis and control design for a class of time delay-dependent nonlinear systems with input saturation. First, T-S fuzzy model with time delay is transformed into a linear nominal plant with a lumped system disturbance in order to give a way to relax the conservative LMI condition in the general T-S fuzzy model control system. Then, in order to deal with the lumped system disturbance, the concept of matching condition is used. Finally, theoretical analysis for the controller design shows that the sate of the closed-loop system under the linear feedback controller with input saturation is quadratically stable.