Inventory-transportation integrated optimization for maintenance spare parts of high-speed trains | Zendy

Boliang Lin | Zendy; Jiaxi Wang | Zendy; Huasheng Wang | Zendy; Zhongkai Wang | Zendy; Jian Li | Zendy; Ruixi Lin | Zendy; Jie Xiao | Zendy; Jianping Wu | Zendy

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Inventory-transportation integrated optimization for maintenance spare parts of high-speed trains

Author(s) -

Boliang Lin,

Jiaxi Wang,

Huasheng Wang,

Zhongkai Wang,

Jian Li,

Ruixi Lin,

Jie Xiao,

Jianping Wu

Publication year - 2017

Publication title -

plos one

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.99

H-Index - 332

ISSN - 1932-6203

DOI - 10.1371/journal.pone.0176961

Subject(s) - spare part , train , economic shortage , revenue , operations research , computer science , transport engineering , operations management , engineering , business , linguistics , philosophy , cartography , accounting , government (linguistics) , geography

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.

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