A multi-objective decision making model for the vendor selection problem in a bifuzzy environment |
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| Authors: | Jiuping Xu Fang Yan |
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| Affiliation: | 1. State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, Chengdu 610064, PR China;2. Uncertainty Decision-Making Laboratory, Sichuan University, Chengdu 610064, PR China;1. National Research Institute of Astronomy and Geophysics (NRIAG), Egypt;2. Ministry of Education, Egypt;1. Department of Applied Science and Humanities, ABES Engineering College, Ghaziabad India;2. Department of Applied Science and Humanities, Tula’s Institute, Dehradun, India;1. Business and Management Department, Open University of Catalonia, Av. Tibidabo, 39-43, 08035 Barcelona, Spain;2. Department of Business Management, Rovira i Virgili University, Av. Universitat, 1, 43204 Reus, Spain |
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| Abstract: | In this paper, we focus on the vendor selection problem (VSP) for material supply in large-scale water conservancy and hydropower construction projects, and establish a corresponding model to solve this problem. After stating the problem, we introduce some basic knowledge of level-2 fuzzy sets and the way to transform them to normal fuzzy sets. Then we use the CCP model to handle the bifuzzy objective functions and constraints, based on a series of preparations, we transform the multi-objective integer model under bifuzzy environment into a deterministic model, then use particle swarm optimization (PSO) to solve this problem. The model is illustrated with an actual application to construction material supply. |
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