Local and global bifurcations in simple Takagi-Sugeno fuzzy systems |
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Authors: | Cuesta F. Ponce E. Aracil J. |
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Affiliation: | Escuela Superior de Ingenieros, Univ. de Sevilla ; |
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Abstract: | The relevance of bifurcation analysis in Takagi-Sugeno (T-S) fuzzy systems is emphasized mainly through examples. It is demonstrated that even the most simple cases can show a great variety of behaviors. To understand the richness of asymptotic dynamics one can find in T-S systems, a methodology is proposed by invoking bifurcation theory. Several local and global bifurcations (some of them, degenerate) are detected and summarized in the corresponding bifurcation diagrams. It is claimed,that this kind of careful analysis could help to cope with some criticism raised regarding the blind use of fuzzy systems |
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