期刊
EXPERT SYSTEMS WITH APPLICATIONS
卷 39, 期 7, 页码 6320-6334出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eswa.2011.12.004
关键词
Fuzzy risk analysis; Generalized fuzzy numbers; Left heights; Ranking order; Ranking scores; Right heights
类别
资金
- National Science Council, Republic of China [NSC 97-2221-E-011-107-MY3]
In this paper, we present a new method for fuzzy risk analysis based on the proposed new fuzzy ranking method for ranking generalized fuzzy numbers with different left heights and right heights. First, we present a fuzzy ranking method for ranking generalized fuzzy numbers with different left heights and right heights. The proposed method considers the areas of the positive side, the areas of the negative side and the centroid values of generalized fuzzy numbers as the factors for calculating the ranking scores of generalized fuzzy numbers with different left heights and right heights. It can overcome the drawbacks of the existing fuzzy ranking methods. Then, we propose a new method for fuzzy risk analysis based on the proposed fuzzy ranking method, where the evaluating values are represented by generalized fuzzy numbers. The proposed fuzzy risk analysis method provides us with a useful way for fuzzy risk analysis based on generalized fuzzy numbers with different left heights and right heights. (C) 2011 Elsevier Ltd. All rights reserved.
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