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Journal of Korean Society for Quality Management 1989;17(1): 116-. |
| 특급비용을 고려한 진부화 제품의 동적 생산-재고 모형 |
| 최영진1, 김만식2 |
1동의공업전문대학 공업경영과
2한양대학교 산업공학과 |
| Dynamic Production-Inventory Scheduling Model for Deteriorating Items with Expediting Cost |
| Yeong-Jin Choe1, Man-Sik Kim2 |
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| ABSTRACT |
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A multi-period production-inventory scheduling model, which extends the customary dynamic lot sizing model to the one for deteriorating items, is developed. The amount of deterioration during a period is assumed to be proportional to the on-hand inventory at the end of the period. It is futher assumed that the deterioration rates vary from period to period. In addtion, an expediting cost due to the delay of outstanding order is included and it is allowed to offset the order release date in advance, instead, in order to avoid incurring the cost. Finally, a quasi-WW algorithm corresponding to the Wagar-Whitin algorithm is proposed to obtain the optimal production-inventory schedules. |
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