灾害扩散下应急物流响应的网络均衡模型

2010 International Conference on Logistics Engineering and Intelligent Transportation Systems Pub Date : 2010-12-10 DOI:10.1109/LEITS.2010.5664931

Li Zhu, Jie Cao

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引用次数: 10

摘要

快速、准确地响应救灾需求对灾害蔓延下的应急物流网络至关重要。本文首先利用流行病模型分析了三组受灾个体之间的关系，刻画了灾害蔓延过程，预测了时变的救援需求。然后，以最小的救援成本特别是时间成本满足预测的紧急需求，建立了新的三层应急物流网络均衡模型。通过数值模拟验证了模型的有效性，并讨论了重要参数的影响。

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A Network Equilibrium Model for Emergency Logistics Response under Disaster Spreading

Quick and accurate response to the relief demand is vital to an emergency logistics network under disaster spreading. In this paper, we first characterize the disaster spreading process to forecast the time-varying relief demand, by using an epidemic model to analyze the relationships among three groups of affected individuals. Then, a new three-tiered emergency logistics network equilibrium model is formulated to satisfy the predicted urgent demand with the least relief cost, in particular the time cost. We perform numerical simulation to demonstrate the effectiveness of our model, and discuss the impact of the important parameters.

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2010 International Conference on Logistics Engineering and Intelligent Transportation Systems

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