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Structure identification in complete rule-based fuzzy systems

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4 Author(s)
H. Pomares ; Dept. of Comput. Arquitecture & Comput. Technol., Granada Univ., Spain ; I. Rojas ; J. Gonzalez ; A. Prieto

The identification of a model is one of the key issues in the field of fuzzy system modeling and function approximation theory. There are numerous approaches to the issue of parameter optimization within a fixed fuzzy system structure but no reliable method to obtain the optimal topology of the fuzzy system from a set of input-output data. This paper presents a reliable method to obtain the structure of a complete rule-based fuzzy system for a specific approximation accuracy of the training data, i.e., it can decide which input variables must be taken into account in the fuzzy system and how many membership functions (MFs) are needed in every selected input variable in order to reach the approximation target with the minimum number of parameters

Published in:

IEEE Transactions on Fuzzy Systems  (Volume:10 ,  Issue: 3 )