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題名 | Deterministic Inventory Lot-Size Models with Time-Varying Demand and Cost under Generalized Holding Costs |
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作者姓名(外文) | Teng, Jinn-Tsair; Yang, Hui-Ling; | 書刊名 | International Journal of Information and Management Sciences |
卷期 | 18:2 2007.06[民96.06] |
頁次 | 頁113-125 |
分類號 | 494.578 |
關鍵詞 | Inventory; Lot-size; Fluctuating demand; Fluctuating cost; Shortages; |
語文 | 英文(English) |
英文摘要 | In this paper, we generalize the EOQ model by Khouja and Park [6] to allow for not only time-varying demand but also unequal cycle time. We prove that there exists a unique optimal replenishment schedule and show that the total relevant cost is a convex function of the number of replenishments, which simplifies the search for the optimal number of replenishments to find a local minimum. Therefore, a simple iterative algorithm to obtain the optimal replenishment number and time scheduling is provided. In addition, an easy and simple heuristic algorithm to obtain the optimal solution for the lot-sizing model by Khouja and Park [6] is also proposed. Finally, numerical examples for illustrating the model are provided. |
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