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Journal of Korean Society for Quality Management 1988;16(1): 78-. |
| 수량할인하(數量割引下)의 통합생산재고(統合生産在庫)모델에 관(關)한 연구(硏究) |
| 한영섭, 이상용 |
| 건국대학교 산업공학과 |
| A Study on the Integrated Production-Inventory Model Under Quantity Discount |
| Yeong-Seop Han, Sang-Yong Lee |
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| ABSTRACT |
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The purpose of this study is to develop the algorithm applicable to the integrated production inventory model under quantity discount. To achieve this purpose, the integrated production inventory model which unifies the inventory problem of raw materials and the finished product for a single product manufacturing system is considered. The product is manufactured in batches and the raw materials are obtained from outside suppliers but some of the raw materials are discounted according to the purchasing quantity. The intergrated production inventory problem considered in this study is formulated by the non-linear mixed integer programming model, and the optimal solution is obtained by using the algorithm developed by Goyal. Then, the algorithm developed by this study is applied to the quantity discount problem, and the optimal solution is revised by this results. The quantity discount algorithm of the integrated production inventory model developed by this study gives a systematic procedure to obtain the optimum policy to minimize the total cost in any case. The numerical example involving 20 raw materials and 5 raw materials among them are discounted according to the purchasing quantity is given to verify the mathematical model and the algorithm developed in this study. |
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