Title :
Robust stabilization for continuous fuzzy systems with time varying delay
Author :
Latrach, Chedia ; Kchaou, Mourad ; Toumi, Ahmed ; El Hajjaji, A.
Author_Institution :
Nat. Sch. of Eng. of Sfax, Univ. of Sfax, Sfax, Tunisia
Abstract :
This paper focuses on the problem of robust control for Takagi-Sugeno (T-S) fuzzy systems with time-delay. The less conservative conditions are developed by considering a parameter dependent Lyapunov-Krasovskii functional and slack matrix variables. The design conditions are formulated as an LMI (linear matrix inequality) feasibility problem, that can be efficiently solved using convex optimization numerical techniques. Numerical examples are presented to illustrate the effectiveness of the proposed approach with the comparisons to other conditions from the literature.
Keywords :
Lyapunov methods; control system synthesis; convex programming; delays; fuzzy systems; linear matrix inequalities; robust control; time-varying systems; LMI; Lyapunov-Krasovskii functional; Takagi-Sugeno fuzzy systems; continuous fuzzy systems; convex optimization numerical techniques; linear matrix inequality; robust control; robust stabilization; slack matrix variables; time varying delay; Delay; Delay effects; Fuzzy systems; Linear matrix inequalities; Nonlinear systems; Stability analysis; Uncertainty; Fuzzy Lyapunov-Krasovskii function(LKF); Linear Matrix Inequalities (LMIs); Stability; Stabilization; Takagi-Sugeno (T-S);
Conference_Titel :
Fuzzy Systems (FUZZ), 2011 IEEE International Conference on
Conference_Location :
Taipei
Print_ISBN :
978-1-4244-7315-1
Electronic_ISBN :
1098-7584
DOI :
10.1109/FUZZY.2011.6007696