An improvement on observer-based H∞control of fuzzy systems

Authors:
Shih-Wei Kau;Xin-Yuan Huang;Sheng-Yu Shiu;Chun-Hsiung Fang
Affiliations:
Department of Electrical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan;Department of Electrical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan;Department of Electrical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan;Department of Electrical Engineering, National Kaohsiung University of Applied Sciences, Kaohsiung, Taiwan
Venue:
CCDC'09 Proceedings of the 21st annual international conference on Chinese Control and Decision Conference
Year:
2009

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Abstract

The paper solves the observer-based H∞ control problems of T-S fuzzy systems. Two conditions that guarantee the existence of H∞ controller based on fuzzy observers are developed. The conditions are more relaxed than the existing one and ensure the designed fuzzy controller achieving a better H∞ control performance. A numerical example is given to demonstrate the validity and applicability of the proposed approach in the control of a nonlinear system.