| Weibull变质率和短缺量拖后的易变质物品EOQ模型 |
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| 引用本文： | 王道平,于俊娣,李向阳.Weibull变质率和短缺量拖后的易变质物品EOQ模型[J].数学的实践与认识,2011,41(7). |
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| 作者姓名： | 王道平 于俊娣 李向阳 |
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| 作者单位： | 1. 北京科技大学,经济管理学院,北京,100083
2. 中国石油工程设计有限公司,北京分公司,北京,100085 |
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| 基金项目： | 国家自然科学基金，北京市哲学社会科学"十一五"规划项目 |
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| 摘 要： | 基于需求和采购价格均为时变的EOQ模型,考虑物品的变质率呈更符合现实情况的三参数Weibull分布,同时考虑短缺量拖后和资金时值对易变质物品库存管理的影响,构建了相应的EOQ模型.应用数学软件Matlab对该库存模型进行仿真计算和主要影响参数的灵敏度分析.结果表明,该模型存在最优解,且各主要影响参数对最优库存控制各有不同程度的影响,资金时值对库存总成本净现值的影响程度要甚于短缺量拖后的影响,故在制定科学的库存策略时资金时值需要更加关注.
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| 关 键 词： | 易变质物品 短缺量拖后 Weibull分布 资金时值 |
EOQ Model for Items with Weibull Distribution Rate and Partial Backlogging |
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| WANG Dao-ping,YU Jun-di,LI Xiang-yang.EOQ Model for Items with Weibull Distribution Rate and Partial Backlogging[J].Mathematics in Practice and Theory,2011,41(7). |
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| Authors: | WANG Dao-ping YU Jun-di LI Xiang-yang |
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| Institution: | WANG Dao-ping~1,YU Jun-di~1,LI Xiang-yang~2 (1.School of Economics and Management,University of Science and Technology Beijing,Beijing 100083,China) (2.China Petroleum Engineering Co.,Ltd Beijing Company,Beijing 100085,China) |
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| Abstract: | For deteriorating items,the deterioration rate can be described by Weibull distribution that is reality-oriented.Basing on this assumption,a new economic order quantity (EOQ)model with time-varying demand and purchase price and partial backlogging and time-value of system cost is developed to analyze the effect of deteriorating items on inventory management.With this model,numerical analysis and parameter sensitivity analysis are done.It shows that an optimum solution for this problem exists and different p... |
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| Keywords: | deterioration items partial backlogging Weibull distribution time-value of system cost |
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