2002 | OriginalPaper | Buchkapitel
Connectionist Structures of Type 2 Fuzzy Inference Systems
verfasst von : Janusz Starczewski, Leszek Rutkowski
Erschienen in: Parallel Processing and Applied Mathematics
Verlag: Springer Berlin Heidelberg
Enthalten in: Professional Book Archive
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In Fuzzy Inference Systems (FIS) the rule base consists of fuzzy relations between antecedents and consequents represented by classical fuzzy sets. Because their membership grades are exact real numbers in the unit interval [1], there is no uncertainty in this sort of specification. In many applications there is some uncertainty as to the memberships, hence they can be stated as ordinary fuzzy sets of type 1 and can constitute type 2 fuzzy sets. In the world literature exists a global model of type 2 FIS. However it consists of an enormous number of embedded subsystems of type 1 and with regard to this model it has not found any use in connectionist realizations. In this paper we derive connectionist structures of type 2 FIS.