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A new model for blood supply chain network design in disasters based on hub location approach considering intercity transportation

机译:基于枢纽定位方法考虑城区运输的灾害灾害中血液供应链网络设计的新模型

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The blood supply chain network is an especial case of the general supply chain network, which starts with the blood donating and ends with patients. Disasters such as earthquakes, floods, storms, and accidents usually event suddenly. Therefore, designing an efficient network for the blood supply chain network at emergencies is one of the most important challenging decisions for related managers. This paper aims to introduce a new blood supply chain network in disasters using the hub location approach. After introducing the last studies in blood supply chain and hub location separately, a new mixed-integer linear programming model based on hub location is presented for intercity transportation. Due to the complexity of this problem, two new methods are developed based on Particle Swarm Optimization and Differential Evolution algorithms to solve practical-sized problems. Real data related to a case study is used to test the developed mathematical model and to investigate the performance of the proposed algorithms. The result approves the accuracy of the new mathematical model and also the good performance of the proposed algorithms in solving the considered problem in real-sized dimensions. The proposed model is applicable considering new variables and operational constraints to more compatibility with reality. However, we considered the maximum possible demand for blood products in the proposed approach and so, lack of investigation of uncertainty conditions in key parameters is one of the most important limitations of this research.
机译:血液供应链网络是一般供应链网络的特殊情况,它从献血和患者结束。地震,洪水,风暴和事故等灾害通常突然发生。因此,在紧急情况下为血液供应链网络设计有效网络是相关管理人员最重要的具有挑战性的决策之一。本文旨在使用集线器定位方法引入灾害中的新血液供应链网络。在分开引入血液供应链和集线器位置的最后一项研究之后,为城间运输提供了一种基于集线器位置的新的混合整数线性编程模型。由于这个问题的复杂性,基于粒子群优化和差分演进算法开发了两种新方法,以解决实际问题。与案例研究相关的真实数据用于测试开发的数学模型,并调查所提出的算法的性能。结果批准了新的数学模型的准确性以及所提出的算法在解决实际尺寸中所考虑的问题方面的良好性能。所提出的模型适用于将新的变量和运行限制与现实更加兼容。然而,我们考虑了在拟议的方法中对血液产品的最大需求,因此,关键参数中对不确定性条件的调查是本研究中最重要的局限性之一。

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