A Supplier Evaluation Based on the Closeness Degree of Triangular Fuzzy Number Research

In order to effectively evaluate the technical level, management ability, service level and operating environment of suppliers, this paper introduces a closeness degree to evaluate the supplier based on triangular fuzzy number. Initialized a supplier evaluation index system and the supplier evaluation language set, this paper establishes a triangular fuzzy complementary judgment matrix of supplier evaluation index using fuzzy analytic hierarchy process. Though the accuracy of matrix, then the index weight could be determined. This paper cites the concept of closeness degree. After obtained the closeness degree of the evaluation index of unevaluated suppliers and ideal suppliers, it creates the order of the suppliers´ comprehensive ability. Finally, the paper gives simulation examples to verify the effectiveness of this proposed method.