FUZZY ECONOMIC REVIEW

Number 2, Volume VIII. November 2003


FUZZY MCDM BASED ON CONFIDENCE ANALYSIS

Wei Wang, Kim-Leng Poh

National University of Singapore

ABSTRACT

In this paper, a fuzzy multicriteria decision model is proposed based on confidence analysis by linguistic approach. Two main characteristics of this method are: (1) Triangular fuzzy numbers are used to express the uncertainties with confidence levels. The ratings of alternatives and the weights of criteria are assessed in triangular fuzzy numbers. By a-cut concept, the triangular fuzzy numbers are incorporated with confidence levels in assessments. (2) Linguistic terms are used to express decision maker's confidence attitudes, upon which con-fidence vectors are obtained to evalua-te alternatives' performances. Finally, a numerical example is given to illustrate this method.

Keywords: Multicriteria decision making (MCDM), triangular fuzzy numbers, linguistic terms.

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