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   modeling a multi-period transportation system for supplier selection and orders allocation problem (case study: parchsaz company)  
نویسنده nouhi tehrani shadi ,bozorgi-amiri ali
منبع international journal of railway research - 2018 - دوره : 5 - شماره : 1 - صفحه:27 -37
چکیده    the combination of transportation costs is very important for supplier decision making. suppliers play a key role in the efficiency and effectiveness of the organization in reducing costs, quality, profitability, and flexibility. with increasing competition in the world of trade, how to supply and choose suppliers of raw materials in the supply chain is an important challenge for many organizations. therefore, in this research, it is tried to analyze the effective measures on the assessment of the quality of suppliers by using the opinions and experiences of the experts, analyzing the relations between them and using the method of network analysis to rank the criteria and suppliers. 39 risk-based supply indicators for the case of study are identified. based on the experts’ assessment, 10 indicators are selected as the final indicators. according to the existing supply chain, five existing suppliers of the company are evaluated and ranked. using the mixed linear programming model, the allocation of raw materials to each of the ranked suppliers is determined.
کلیدواژه transportation ,supplier selection ,supply allocation ,fuzzy anp ranking ,routing problem
آدرس islamic azad university, south tehran branch, school of industrial engineering, iran, university of tehran, school of industrial engineering, college of engineering, iran
پست الکترونیکی alibozorgi@ut.ac.ir

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