AHPを基盤としたファジィ多目的意思決定の一手法

概要

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This paper presents a new fuzzy decision-making method for the multiple-criteria problem, utilizing the eigenvector technique developed in AHP (Analytic Hierarchy Process). The matrix based on a series of linguistic paired-comparisons is transformed into a fuzzy matrix by a hyperbolic-type membership function. The resulting fuzzy entries are additive-type, and thus can easily have numerical consistency. A vector of priorities is obtained from the fuzzy matrix.In the proposed method, the perfect "forced consistency" technique is repeatedly used. Then, a way of choosing the independent entries is also discussed by employing the graph theory. The repetition of that technique is useful to extract the decision maker's potential sense of values or ambiguity.A score of an alternative is calculated by fuzzy connectives. To show the availability of the method, examples are also given.