Inventory-transportation integrated optimization for maintenance spare parts of high-speed trainsReportar como inadecuado




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This paper presents a 0–1 programming model aimed at obtaining the optimal inventory policy and transportation mode for maintenance spare parts of high-speed trains. To obtain the model parameters for occasionally-replaced spare parts, a demand estimation method based on the maintenance strategies of China’s high-speed railway system is proposed. In addition, we analyse the shortage time using PERT, and then calculate the unit time shortage cost from the viewpoint of train operation revenue. Finally, a real-world case study from Shanghai Depot is conducted to demonstrate our method. Computational results offer an effective and efficient decision support for inventory managers.



Autor: Boliang Lin , Jiaxi Wang, Huasheng Wang, Zhongkai Wang, Jian Li, Ruixi Lin, Jie Xiao, Jianping Wu

Fuente: http://plos.srce.hr/



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