DocumentCode :
3421437
Title :
Piecewise fuzzy Lyapunov function based optimal guaranteed cost control law design way
Author :
Yanxia, Shen ; Zhicheng, Ji
Author_Institution :
Inst. of Electr. Autom., Jiangnan Univ., Wuxi, China
Volume :
3
fYear :
2010
fDate :
25-27 June 2010
Abstract :
This paper investigates the stability analysis and the design of optimal guaranteed cost control law for a class of Takagi-Sugeno (T-S) fuzzy systems. Based on the structure information of the premise rule base, a novel Lyapunov function called piecewise fuzzy Lyapunov function (PFLF) approach is developed by combining the fuzzy Lyapunov function (FLF) approach with the piecewise quadratic Lyapunov function (PQLF) approach. A new parallel distributed compensation (PDC) controller is also presented. Via the PFLF approach presented, the stability analysis and the design way of optimal guaranteed cost control law are derived in the form of linear inequality matrix (LMI). The designed method in this paper inherits the advantage of FLF and PQLF and ensures the resulting system is asymptotically stable while an upper bound of the closed-loop cost function is minimized. Two numerical examples are supplied to demonstrate the effectiveness of the designed control law.
Keywords :
Lyapunov methods; asymptotic stability; closed loop systems; control system synthesis; fuzzy control; linear matrix inequalities; optimal control; Takagi-Sugeno fuzzy systems; asymptotic stability; closed-loop cost function; control law design; linear inequality matrix; optimal guaranteed cost control; parallel distributed compensation control; piecewise fuzzy Lyapunov function; piecewise quadratic Lyapunov function; stability analysis; Control systems; Cost function; Distributed control; Fuzzy control; Fuzzy systems; Linear matrix inequalities; Lyapunov method; Optimal control; Stability analysis; Takagi-Sugeno model; Takagi-Sugeno (T-S) fuzzy system; linear inequality matrix (LMI); optimal guaranteed cost control; parallel distributed compensation (PDC); piecewise fuzzy Lyapunov function (PFLF);
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Computer Design and Applications (ICCDA), 2010 International Conference on
Conference_Location :
Qinhuangdao
Print_ISBN :
978-1-4244-7164-5
Electronic_ISBN :
978-1-4244-7164-5
Type :
conf
DOI :
10.1109/ICCDA.2010.5541006
Filename :
5541006
Link To Document :
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