本研究於不完美生產系統(n+1)次配送模式,探討其最佳生產批量與最佳配送之決策。在一般存貨管理課程中之案例,都以完美生產或一次配送等單一情況做探討,考量之情況與業界差距甚大,在實際生產上一定會有不良品的產生,而配送的方式並非都以全部生產完成後進行一次配送,在不同的產品,不同的生產方式下,其配送方式就有各種不同的成本考量,故學習之案例,並無法提供實際生產情況上決策的參考。 本研究以不同於已往之配送方式,製造商在t時間生產後進行第一次配送,以滿足顧客在t1時間內之需求,再以定量方式進行n次配送,數學模式建構之考量,包含製造端與顧客端二者之存貨成本進行推導,在期望年存貨總成本最小化下,求得最佳生產批量與最佳配送次數,以實例驗証分析本研究節省成本之效益,提供業界在不同情況下,決策時有更佳之模式可供參考。
This paper explores the optimal production quantity and optimal distribution strategies based on the (n+1) distribution model of imperfection production system. Generally, the cases in the inventory management course mainly focus on either perfect production or individual situation. However, the situations we take into account are very different from those actually happen in the real business field leading to defective items from the actual production. In addition, the production is not distributed together after the production process is completely finished. There are different production methods regarding different products. The distribution methods can vary while considering a variety of cost. Therefore, those cases we have studied can not provide us the actual picture of the production. This study applies different distribution method- manufacturers will conduct first distribution after spending t time for the production in order to satisfy customer’s need within t1. Next, we will apply quantitative method to conduct n distribution. Mathematical model structure is taken into account including promoting inventory cost to both manufacturers and customers. We expect to get the optimal production quantity and optimal number of distribution with the minimum inventory cost. Therefore, cost-effectiveness from the actual cases will be analyzed to provide more options in different business situations.
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