As fresh agricultural products are perishable and vulnerable,reducing inventory cost is a strategic target for supply chain enterprises.How to design a reliable multi-echelon inventory control policy is still a great ...As fresh agricultural products are perishable and vulnerable,reducing inventory cost is a strategic target for supply chain enterprises.How to design a reliable multi-echelon inventory control policy is still a great challenge.Therefore,the inventory cost of a three-level fresh agricultural products inventory system was firstly mathematically analyzed.Then,the simulation-based optimization model of the multi-echelon inventory system for fresh agricultural products was proposed by using the Flexsim simulation software and the improved particle swarm optimization algorithm.Finally,the multi-echelon inventory system is simulated based on a large number of survey data.Simulation results demonstrate that the proposed simulation-based optimization model of multi-echelon inventory system for fresh agricultural products can provide decision-making and technical support for the formulation of inventory control policy,and also it shows that the modeling of system simulation is an effective method to solve the problem of complex system.展开更多
B2C(Business to Customer)电子商务迅速发展,很多企业开始在传统零售渠道之外开展网上直销,为此双渠道分销系统日益受到工业界和学术界重视。本文研究一类两层双渠道供应链的库存系统优化与协调问题。制造商通过直销和零售两个渠道销...B2C(Business to Customer)电子商务迅速发展,很多企业开始在传统零售渠道之外开展网上直销,为此双渠道分销系统日益受到工业界和学术界重视。本文研究一类两层双渠道供应链的库存系统优化与协调问题。制造商通过直销和零售两个渠道销售产品,需求是相互独立的Poisson流。制造商和零售商都使用one-for-one库存策略。给出了制造商和零售商的单位产品的平均成本和系统单位时间平均成本的计算方法。提出一种分散控制下的库存决策协调机制,给出了优化控制变量——制造商的缺货等待成本参数的计算公式。展开更多
The multi echelon inventory system theory (MEIST) ,which is an important branch of inventory theory, is applied mainly in solving the problem of a multi echelon inventory and supply system. In this paper, a brief re...The multi echelon inventory system theory (MEIST) ,which is an important branch of inventory theory, is applied mainly in solving the problem of a multi echelon inventory and supply system. In this paper, a brief review of MEIST is given and its main points are summarized. An application is made to the decision of spares stock levels in maintenance management. The result shows that it can reduce costs of spares by using MEIST in the case of a multi echelon maintenance system.展开更多
基金We acknowledge that this work was supported by the science and technology innovation fund of Henan Agricultural University,No.KJCX2016A04Henan province institution of higher learning youth backbone teachers training program,No.2016GGJS-036Henan Provincial Department of Science and Technology Research Project under Grant 192102110205.
文摘As fresh agricultural products are perishable and vulnerable,reducing inventory cost is a strategic target for supply chain enterprises.How to design a reliable multi-echelon inventory control policy is still a great challenge.Therefore,the inventory cost of a three-level fresh agricultural products inventory system was firstly mathematically analyzed.Then,the simulation-based optimization model of the multi-echelon inventory system for fresh agricultural products was proposed by using the Flexsim simulation software and the improved particle swarm optimization algorithm.Finally,the multi-echelon inventory system is simulated based on a large number of survey data.Simulation results demonstrate that the proposed simulation-based optimization model of multi-echelon inventory system for fresh agricultural products can provide decision-making and technical support for the formulation of inventory control policy,and also it shows that the modeling of system simulation is an effective method to solve the problem of complex system.
文摘B2C(Business to Customer)电子商务迅速发展,很多企业开始在传统零售渠道之外开展网上直销,为此双渠道分销系统日益受到工业界和学术界重视。本文研究一类两层双渠道供应链的库存系统优化与协调问题。制造商通过直销和零售两个渠道销售产品,需求是相互独立的Poisson流。制造商和零售商都使用one-for-one库存策略。给出了制造商和零售商的单位产品的平均成本和系统单位时间平均成本的计算方法。提出一种分散控制下的库存决策协调机制,给出了优化控制变量——制造商的缺货等待成本参数的计算公式。
文摘The multi echelon inventory system theory (MEIST) ,which is an important branch of inventory theory, is applied mainly in solving the problem of a multi echelon inventory and supply system. In this paper, a brief review of MEIST is given and its main points are summarized. An application is made to the decision of spares stock levels in maintenance management. The result shows that it can reduce costs of spares by using MEIST in the case of a multi echelon maintenance system.