本文主要研究生产、库存、配送一体化复杂系统(Integrated Production Inventory Distribution System,PID),系统中存在一个供应商和多个下游厂商,供应商生产若干种不同类型的产品,并通过第三方物流(3PL)对下游厂商进行配送。研究的目...本文主要研究生产、库存、配送一体化复杂系统(Integrated Production Inventory Distribution System,PID),系统中存在一个供应商和多个下游厂商,供应商生产若干种不同类型的产品,并通过第三方物流(3PL)对下游厂商进行配送。研究的目的在于决定供应商的生产计划以及配送计划,从而使得系统总费用最低。借助于禁忌搜索法,本文提出了求解问题的算法,并且给出了PID与按照订单生产模式的仿真结果的对比,从结果可以看出,PID在一定程度上确实能够降低系统总费用。展开更多
Any potential damage may be severe once an accident occurs involving hazardous materials.It is therefore important to consider the risk factor concerning hazardous material supply chains,in order to make the best inve...Any potential damage may be severe once an accident occurs involving hazardous materials.It is therefore important to consider the risk factor concerning hazardous material supply chains,in order to make the best inventory routing decisions.This paper addresses the problem of hazardous material multi-period inventory routing with the assumption of a limited production capacity of a given manufacturer.The goal is to achieve the manufacturer's production plan,the retailer's supply schedule and the transportation routes within a fixed period.As the distribution of hazardous materials over a certain period is essentially a multiple travelling salesmen problem,the authors formulate a loadingdependent risk model for multiple-vehicle transportation and present an integer programming model to maximize the supply chain profit.An improved genetic algorithm considering two dimensions of chromosomes that cover the aforementioned period and supply quantity is devised to handle the integer programming model.Numerical experiments carried out demonstrate that using the proposed multiperiod joint decision-making can significantly increase the overall profit of the supply chain as compared to the use of single period decision repeatedly,while effectively reducing its risk.展开更多
文摘本文主要研究生产、库存、配送一体化复杂系统(Integrated Production Inventory Distribution System,PID),系统中存在一个供应商和多个下游厂商,供应商生产若干种不同类型的产品,并通过第三方物流(3PL)对下游厂商进行配送。研究的目的在于决定供应商的生产计划以及配送计划,从而使得系统总费用最低。借助于禁忌搜索法,本文提出了求解问题的算法,并且给出了PID与按照订单生产模式的仿真结果的对比,从结果可以看出,PID在一定程度上确实能够降低系统总费用。
基金supported by the National Natural Science Foundation of China under Grant Nos.71571010,71722007a Fundamental Research Funds for the Central Universities under Grant No.XK1802-5+1 种基金a Ser CymruⅡCOFUND Research Fellowship,UKa Great Wall Scholar Training Program of Beijing Municipality under Grant No.CIT&TCD20180305。
文摘Any potential damage may be severe once an accident occurs involving hazardous materials.It is therefore important to consider the risk factor concerning hazardous material supply chains,in order to make the best inventory routing decisions.This paper addresses the problem of hazardous material multi-period inventory routing with the assumption of a limited production capacity of a given manufacturer.The goal is to achieve the manufacturer's production plan,the retailer's supply schedule and the transportation routes within a fixed period.As the distribution of hazardous materials over a certain period is essentially a multiple travelling salesmen problem,the authors formulate a loadingdependent risk model for multiple-vehicle transportation and present an integer programming model to maximize the supply chain profit.An improved genetic algorithm considering two dimensions of chromosomes that cover the aforementioned period and supply quantity is devised to handle the integer programming model.Numerical experiments carried out demonstrate that using the proposed multiperiod joint decision-making can significantly increase the overall profit of the supply chain as compared to the use of single period decision repeatedly,while effectively reducing its risk.
