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Research on Inventory Models of the Supply Chain with Stock-dependent Demand

Author: ZhangXuWan
Tutor: ZhongBo
School: Chongqing University
Course: Operational Research and Cybernetics
Keywords: Supply Chain Stock-Dependent-Demand Inventory Coordinated Models
CLC: O227
Type: Master's thesis
Year: 2007
Downloads: 457
Quote: 4
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Abstract


With the rapid development of global integrity in the world, supply chain and supply chain management has been paying more and more attention and widely applying in more and more enterprises and corporations. It extends the scope and content of applied subjects, such as optimization, storage, Game theory and graph theory and so on. On the other hand, supply chain has been gradually the focus and hotspot in recent years. What is more important, it is of practical and academic significance to study the storage modeling holding biggish proportion of the cost of enterprises and to provide sustaining techniques for the decision-making of storage by quantitative analysis.This dissertation is concerned about a new storages coordinator model of supply chain based on the existing storage model, in which the demand is regarded as exogenous variable, meanwhile, the fact that storage governors can adopt corresponding measures to affect market demand is often ignored. Even more, in supply chain management, each branch only pay attention to its own benefit and it lacks effective coordinators in the whole process. In the dissertation, the author provides a new model, which is based on price discount and stock-dependent-demand. The model is classified into two categories: one is the determinate type, and another is stochastic type. Each category has two types, one is the demand affected by original storage and another is the demand affected by instant storage.As for the determinate type, the author first puts forward a kind of effective concerted mechanism by comparing the profit quantity of supply chain when in decentralization decision and concentrated decision. Then the author sets up two storage coordinator modeling affected by the demand affected by the original storage and by the instant storage respectively. The next step is that production cycle and batch of the supply will be adjusted to optimize the modeling more. At last, supply chain extended by a producer and many salesmen will be discussed later and the author also provides Nash’s probative explanation of the exclusive symmetry of the modeling.As for the stochastic model, the author sets up the supply chain inventory coordinated model based on the price discount by the analysis of the rational hypothesis of the requisite function affected by the original storage. Then, the author also deduces the probability density function in the stable state in the replenishment stochastic time through LCT theory so as to figure the expectation volume of storage cost out. The merit of this model is to overcome the deficiency that in traditional model, only over plus production cost is calculated and to set up the corresponding supply chain storage coordinator modeling. As for the supplement, the impediment function algorithm about above model has also been provided.

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CLC: > Mathematical sciences and chemical > Mathematics > Operations Research > Inventory theory
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