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确定性需求条件下的库存模型研究

Study on the Inventory Models under Deterministic Demand

【作者】 朱彦利

【导师】 莫降涛;

【作者基本信息】 广西大学 , 运筹学与控制论, 2007, 硕士

【摘要】 库存管理是供应链管理的重要组成部分,是供应链上各节点企业实现合作以及供应链实现集成管理的关键所在.随着全球经济一体化的发展和技术进步,形成了以买方为主导的市场,企业必须在快速有效地满足顾客需求的基础止实现低成本运营,而这正是众多企业面临的难题。因此,研究产品的库存问题,对于降低企业库存成本,提高企业整体效率有重要的意义。本文对确定性需求条件下的库存问题进行研究,主要内容如下:第一章主要介绍供应链库存管理的基本概念、研究成果及本文研究的目的和意义。第二章研究一类采用预订销售且在预订期间允许顾客取消预订的库存一销售问题,在需求率是价格的函数、允许缺货且缺货部分延迟的条件下,采用动态价格策略,并考虑货币时间价值的影响,建立相应的库存一销售模型。给出一种确定最优销售价格、订购量和最大净利润的近似方法,通过数值例子验证模型和方法的有效性。第三章研究允许延期付款的销售商库存问题。在需求随价格变化、变质率与时间相关的环境下,探讨了销售商利用延期付款策略优化利润的问题,建立了优化补货周期和商品价格的模型,证明了模型的解的存在性,并给出了一种近似求解方法,最后给出了一些数值实例。第四章研究仓库容量有一定限制的生产销售库存问题.在线性需求和服务水平约束的假设下,建立相应的库存模型,综合考虑装配费、存贮费、缺货损失费、延期交货费,确定最优生产周期和生产批量,可以根据问题的实际情况选择是否租借仓库,数值例子说明模型对于是否租借仓库问题是有效的。最后对本文研究内容进行总结,并提出进一步研究的方向。

【Abstract】 Inventory management is an important part of the supply chainmanagement, which is the key both to exert collaboration and to perform theintegrated management. With the development of economic globalization andtechnological progress, buyer’s market has been formed, enterprise must realizelow cost operation based on the satisfaction of customers rapidly and effectively,and this is exactly the difficult problem that numerous enterprises face.Therefore, it is important to study the inventory for enterprises to reduce theinventory cost and improve the whole efficiency.This thesis does further research to the inventory problems underdeterministic demand, its main contents as follows:In Chapter 1, we firstly introduce the basic concept of supply chainmanagement. Then, we give the results of existed literatures and the purpose andsignificance of this thesis.In Chapter 2, the inventory-sate problem is considered, in whichreservation sale and reservations may cancel advance orders are included. Underthe assumptions that product demand is price-dependent and partialbackordering., the inventory and sale model is established by dynamic pricingapproach, in which time value of money is included. An approximate method isderived to find the optimal pricing, ordering quantity and maximize net profit.Numerical examples are presented. In Chapter 3, we study the inventory problem base on permissible delay inpayments. Base on price-depending demand and time-varying deterioration, thispaper studies the optimization of the buyer’s profit by using strategy of delay inpayment. The model for optimizing the-cycle time and price is established andthe existence of its solution is analyzed. An approximate method is presented.Finally, several numerical examples are included.In Chapter 4, we study the production-sale inventory problem under limitedstorage capacity. The inventory model is established under the assumptions thatthe demand is linear and the-service level is restricted. The assemble cost,storage cost, shortage cost and postpone cost are considered, the optimal periodand production quantity can be determined and whether or not to lease thewarehouse can be choose according the actual situations. Numerical examplesare presented.Finally, the contents of the thesis are concluded and the further researchesare presented.

  • 【网络出版投稿人】 广西大学
  • 【网络出版年期】2007年 05期
  • 【分类号】O227
  • 【被引频次】4
  • 【下载频次】512
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