New time-varying fuzzy sets based on a PSO midpoint of the universe of discourse |
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Authors: | Ziani Salim |
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Affiliation: | Salim Ziani;Automatic and Robotics Laboratory, Department of Electronics, University of Constantine 1; |
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Abstract: | The paper presents a robust parallel distributed compensation (PDC) fuzzy controller for a nonlinear and certain system in continuous time described by the Takagi-Sugeno (T-S) fuzzy model. This controller is based on a new type of time-varying fuzzy sets (TVFS). These fuzzy sets are characterized by displacement of the kernels to the right or left of the universe of discourse, and they are directed by a well-defined criterion. In this work, we only focused on the movement of midpoint of the universe. The movements of this midpoint are optimized by particle swarm optimization (PSO) approach. |
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