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Type: Artigo de periódico
Title: Hierarchical fuzzy relational models: Linguistic interpretation and universal approximation
Author: Campello, RJGB
do Amaral, WC
Abstract: Hierarchical fuzzy structures composed of a series of sub-models connected in cascade have been found to be effective tools for dealing with the dimensionality problem in fuzzy systems. This paper addresses both the issues of linguistic interpretation and universal approximation of systems using hierarchical fuzzy models. Fuzzy relational equations are used to implement the sub-models of a hierarchical structure that has two very important properties: i) it can be converted into a completely equivalent nonhierarchical model, which in turn allows the extraction of linguistic knowledge in the form of consistent fuzzy IF-THEN rules; and ii) it is a universal approximator. These properties are analytically derived and the proposed model is illustrated by means of an example.
Subject: dimensionality reduction
fuzzy relational structures
hierarchical fuzzy models
linguistic interpretation
universal approximation
Country: EUA
Editor: Ieee-inst Electrical Electronics Engineers Inc
Citation: Ieee Transactions On Fuzzy Systems. Ieee-inst Electrical Electronics Engineers Inc, v. 14, n. 3, n. 446, n. 453, 2006.
Rights: fechado
Identifier DOI: 10.1109/TFUZZ.2006.876365
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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