Title :
Delay-dependent robust H∞ control for uncertain T-S fuzzy systems with time-varying delay
Author :
Zhang, Da-Wei ; Hao, Xing-Hua ; Jia, Xin-Chun
Author_Institution :
Sch. of Math. Sci., Shanxi Univ., Taiyuan
Abstract :
The delay-dependent robust H infin control problem for a class of nonlinear time-delay system is investigated in this paper. An uncertain Takagi-Sugeno (T-S) fuzzy model is adopted for representing a nonlinear system with time-varying delay, in which the modeling errors are absorbed in the uncertain part. The design method of delay-dependent robust H infin controller is firstly established via the parallel distributed compensation (PDC) technique. Meanwhile, a stabilization method is developed in terms of linear matrix inequalities (LMIs). Two examples are provided to prove the effectiveness of the present results.
Keywords :
Hinfin control; compensation; control system synthesis; delays; fuzzy control; fuzzy systems; linear matrix inequalities; nonlinear control systems; robust control; time-varying systems; LMI; delay-dependent robust Hinfin control design; linear matrix inequality; modeling error; nonlinear system; parallel distributed compensation; stabilization; time-varying delay; uncertain Takagi-Sugeno fuzzy system; Control systems; Delay systems; Design methodology; Fuzzy systems; Nonlinear control systems; Nonlinear systems; Robust control; Robustness; Takagi-Sugeno model; Time varying systems; Delay-dependent; LMI; Robust H∞ control; Stability; T-S fuzzy systems;
Conference_Titel :
Intelligent Control and Automation, 2008. WCICA 2008. 7th World Congress on
Conference_Location :
Chongqing
Print_ISBN :
978-1-4244-2113-8
Electronic_ISBN :
978-1-4244-2114-5
DOI :
10.1109/WCICA.2008.4593620