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원료의 선택 및 혼합비율의 변경 횟수를 최소화하기 위한 정수계획법모형 및 근사해 발견 기법 : An Integer Programming Model and Heuristic Algorithm to Minimize Setups in Product Mix

An Integer Programming Model and Heuristic Algorithm to Minimize Setups in Product Mix

초록/요약

Minimizing the total number of setup changes of a machine increases the throughput and improves the stability of a production process, and as a result enhances the product quality. In this context, we consider a new product-mix problem that minimizes the total number of setup changes while producing the required quantities of a product over a given planning horizon. For this problem, we develop a mixed integer programming model. Also, we develop an efficient heuristic algorithm to find a feasible solution of good quality within reasonable time bounds. Computational results show that the developed heuristic algorithm finds a feasible solution as good as the optimal solution in most test problems.

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