Title :
Robust decentralized control for fuzzy large-scale systems using dynamic output-feedback
Author :
Geun Bum Koo ; Jin Bae Park ; Young Hoon Joo
Author_Institution :
Dept. of Electr. & Electron. Eng., Yonsei Univ., Seoul, South Korea
Abstract :
This paper presents a robust decentralized controller design problem for guaranteed cost stabilization of a class of fuzzy large-scale systems using dynamic output-feedback scheme. A Takagi-Sugeno fuzzy model is adopted for the large-scale system, which has norm-bounded uncertainties and unknown interconnection satisfying the quadratic inequality. Sufficient conditions are derived for both robust asymptotic stabilization and minimization of a given cost function and formulated in terms of linear matrix inequalities. Finally, a numerical example is provided to verify the effectiveness of the proposed technique.
Keywords :
asymptotic stability; control system synthesis; decentralised control; feedback; fuzzy control; large-scale systems; linear matrix inequalities; robust control; uncertain systems; Takagi-Sugeno fuzzy model; cost function minimization; cost stabilization; dynamic output-feedback scheme; fuzzy large-scale system; linear matrix inequalities; norm-bounded uncertainty; quadratic inequality; robust asymptotic stabilization; robust decentralized controller design problem; Cost function; Decentralized control; Large-scale systems; Linear matrix inequalities; Robustness; Uncertainty; Upper bound;
Conference_Titel :
American Control Conference (ACC), 2013
Conference_Location :
Washington, DC
Print_ISBN :
978-1-4799-0177-7
DOI :
10.1109/ACC.2013.6580844