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Dynamic supplier selection through optimal ranking under two-echelon system

BENCHMARKING-AN INTERNATIONAL JOURNAL 2019年第8期26卷 2574-2607页

作者： Ahmad, Md Tanweer Mondal, Sandeep OP Jindal Univ Sch Management Raigarh India Indian Sch Mines Indian Inst Technol Dept Management Studies Dhanbad Bihar India

Purpose With the increasing competition among the industries, they remain under pressure as how to select the best set of suppliers for the competitive edge. Often, it has been challenging to develop an effective set of suppliers due to varied and asymmetric mode of criteria. The purpose of this paper is to develop a responsive chain under original equipment manufacturer (OEM). design/methodology/approach This study proposes a responsive chain under a two-echelon system (TES) of OEM, which needs to collaborate with a set of suppliers at each echelon through an integrated methodology of AHP and TOPSIS. According to the OEM's criteria, demands and suppliers' capacity vary with time, therefore they are not static for a longer period. Hence, supplier selection (SS) problem possesses dynamicity in real practice. For this, MILP is used for finding optimal order quantities based on the optimal ranking at each echelon in the multi-period scenario. Subsequently, sensitivity analysis (SA) is conducted through taguchi method of parameter design (TMPD) to achieve an optimal ranking in the TES. Findings This study suggests optimal criteria's weight, percentage contribution, and flexibility for the suppliers and manufacturers involving through maximum demand strategy at each echelon of OEM. It also provides robust group of suppliers and manufacturers in the TES through optimal ranking and simultaneously in the order allocations. Furthermore, it restricts the number of suppliers and manufactures at each echelon through proposed methodology to obtain the solution in a very short running time. Originality/value To validate this model, a real data set for the case of chain conveyor company is used. This adopted methodology can suggest the organization that how the approach should be implemented.

关键词： AHP and TOPSIS Dynamic supplier selection Mixed-integer linear programming taguchi method of parameter design Two-echelon system

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