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Order relation for Type-2 fuzzy values

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3 Author(s)
Lee, Seungsoo ; Department of Electrical Engineering and Computer Science, KAIST, 373-1 Guseong-dong Yuseong-gu, Daejeon 305-701, Republic of Korea ; Lee, Kwang H. ; Lee, Doheon

In this paper an order relation and a ranking method for type-2 fuzzy values are proposed. In order to compare type-2 fuzzy sets, the concepts of satisfaction function for continuous fuzzy values, h-Ievel type-2 fuzzy values and strong order relation are introduced. The proposed method is an approach based on the possibility theory, and it generates a ranking sequence with the greatest possibility. Some properties of the proposed method are also analyzed.

Published in:

Tsinghua Science and Technology  (Volume:8 ,  Issue: 1 )