供应链环境中订单分配及订购批量决策研究-管理科学与工程专业论文.docx

华 华 中 科 技 大 学 博 士 学 位 论 文 PAGE IV PAGE IV 切相关。在这一背景下，本文建立了一个连续时间的库存模型，解决了在一个有限 销售期内，公司的产品销售策略。主要目的是对于仅有传统销售方式的公司，在兼 顾产品变质率和销售价格动态调整两方面因素时，如何确定最优采购量。 随后，对于包含多个销售渠道的企业，采购单一商品，率先研究了在统一订购 前提下，如何有效满足顾客的即期和远期市场需求的最优订购策略。 最后对研究结果和创新之处进行了总结，并且讨论了今后可能的发展方向。 关键词：供应商选择 订单分配 经济订购批量 供应中断风险 模糊理论 动态定价 Abstract In 21 century ， enterprises are facing with more and more competitions and challengments. With the development of supply chain management, the pressure is no more located among enterprises, but in all supply chain. Enterprises often lower purchase costs in order to increase the competitiveness of products in the market while they face the fierce situation. Nowadays, procurement decisions are more important because of the more tremendous impact of material costs on profits. For example, in most industries the costs of raw materials and component parts constitute the main cost of a product, such that in some cases it can account for up to 70%; in America high technology firms, purchased materials and services represent up to 80% of the total product cost. The purchase decision under supply chain environment has many new characteristics comparing with traditional purchase management. Supply chain management offers wider space for decreasing purchase cost and increasing the benefit, but bringing the new challenge to enterprises’ purchase management at the same time. Two of the important areas in purchase decision that have significant practical application are order allocation and economic order quantity (EOQ). Optimazion for order allocation and EOQ reduce the cost and improve the company competitiveness. Therefore, order allocation and EOQ are the most important decision of purchasing management. On the basis of the past researches about criterias and methods of supplier selection, order allocation is considered under fuzzy information, uncertain demand, supply disrutption and price break in this paper. At the same time, reliedon both domestic and foreign research of the hi