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Stabilizing controller design for uncertain nonlinear systems using fuzzy models

delete1999-04-01
delete477
PRE
AI
M
Marcelo Carvalho Minhoto Teixeira *
S
Stanisław H. Żak
DOI:10.1109/91.755395delete
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Abstract

Abstract

En 中文
A Lyapunov-based stabilizing control design method for uncertain nonlinear dynamical systems using fuzzy models is proposed. The controller is constructed using a design model of the dynamical process to be controlled. The design model is obtained from the truth model using a fuzzy modeling approach. The truth model represents a detailed description of the process dynamics. The truth model is used in a simulation experiment to evaluate the performance of the controller design. A method for generating local models that constitute the design model is proposed. Sufficient conditions for stability and stabilizability of fuzzy models using fuzzy state-feedback controllers are given. The results obtained are illustrated with a numerical example involving a four-dimensional nonlinear model of a stick balancer.
Keywords:
fuzzy modeling
Lyapunov's method
stability
uncertain systems

Journal

IEEE Transactions on Fuzzy Systems cover
IEEE Transactions on Fuzzy Systems
IF:
11.9
Papers:
4.9K
Citations:
2.9W

Organization

No organization information available