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This paper presents an output feedback robust H∞ control problem for a class of uncertain fuzzy dynamic systems with time-varying delayed state. The Takagi-Sugeno fuzzy model is employed to represent an uncertain nonlinear systems with time-varying delayed state. Using a single quadratic Lyapunov function, the globally exponential stability and disturbance attenuation of the closed-loop fuzzy control system are discussed. Sufficient conditions for the existence of robust H∞ controllers are given in terms of matrix inequalities. Constructive algorithm for design of robust H ∞ controller is also developed. The resulting controller is nonlinear and automatically tuned based on fuzzy operation
Published in:
Fuzzy Systems, IEEE Transactions on
(Volume:8
,
Issue:
6
)
Date of Publication: Dec 2000
- Page(s):
- 657 - 664
- ISSN :
- 1063-6706
- INSPEC Accession Number:
- 6802769
- Digital Object Identifier :
- 10.1109/91.890325
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- Dec 2000
- Sponsored by :
- IEEE Computational Intelligence Society
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