期刊
IEEE TRANSACTIONS ON FUZZY SYSTEMS
卷 14, 期 2, 页码 287-294出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TFUZZ.2005.864078
关键词
fuzzy ranking; type-2 fuzzy numbers; type-2 fuzzy sets
Type-2 fuzzy sets are a generalization of the ordinary fuzzy sets in which each type-2 fuzzy set is characterized by a fuzzy membership function. In this paper, we consider the problem of ranking a set of type-2 fuzzy numbers. We adopt a statistical viewpoint and interpret each type-2 fuzzy number as an ensemble of ordinary fuzzy numbers. This enables us to define a type-2 fuzzy rank and a type-2 rank uncertainty for each intuitionistic fuzzy number. We show the reasonablesness of the results obtained by examining several test cases.
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