Title :
H∞ output feedback control designs for T-S fuzzy dynamic systems via LMI
Author :
Liu Yiaodong ; Qingling, Zhang
Author_Institution :
Dept. of Math. & Phys., Dalian Maritime Univ., China
Abstract :
In this paper, the problems of relaxed quadratic stability conditions and H∞ output feedback control designs for T-S fuzzy systems have been studied. First new quadratic stability conditions are obtained by relaxing the stability conditions derived in previous papers. Secondly it presents H∞ output feedback control designs of complex nonlinear systems which can be represented by T-S fuzzy dynamic systems. Based on a common Lyapunov function, new output feedback H∞ fuzzy control design methods are developed. New method considers the interactions among all fuzzy subsystems. The output feedback H∞ controllers can be obtained by solving a set of suitable linear matrix inequalities.
Keywords :
H∞ control; Lyapunov methods; control system synthesis; feedback; fuzzy control; fuzzy systems; linear matrix inequalities; H∞ output feedback control; Lyapunov function; linear matrix inequalities; nonlinear systems; quadratic stability; Control design; Design methodology; Fuzzy control; Fuzzy systems; Linear feedback control systems; Linear matrix inequalities; Lyapunov method; Nonlinear systems; Output feedback; Stability;
Conference_Titel :
Decision and Control, 2002, Proceedings of the 41st IEEE Conference on
Print_ISBN :
0-7803-7516-5
DOI :
10.1109/CDC.2002.1184850
