基于横向转运策略的可修件三级库存优化模型
收稿日期: 2014-04-03
修回日期: 2014-05-07
网络出版日期: 2014-05-13
基金资助
国防预研项目(51304010206,51327020105)
Optimal Model of Three-echelon Inventory for Repairable Spare Parts with Lateral Transshipments Strategy
Received date: 2014-04-03
Revised date: 2014-05-07
Online published: 2014-05-13
Supported by
National Defense Pre-research Foundation (51304010206, 51327020105)
刘任洋 , 李庆民 , 李华 . 基于横向转运策略的可修件三级库存优化模型[J]. 航空学报, 2014 , 35(12) : 3341 -3349 . DOI: 10.7527/S1000-6893.2014.0091
Supplying the spare parts with lateral transshipments is an effective approach to improve support effectiveness. Since the existing researches do not meet the demands of multi-echelons maintenance supply system in army, inventory model considering three-echelon support system for repairable items with lateral transshipments is built based on the theories of life-death process and VMETRIC in this paper. The model is solved in a simple and efficient heuristic algorithm and the simulation shows that the model produces accurate estimation. Various support effectiveness indexes are researched; with constraints of availability and the objective of the lowest cost, the optimal inventory distribution result is obtained by marginal optimization algorithm. Compared with the model with no transshipments, numerical studies show that the model put forward in this paper not only improves support effectiveness indexes, but also has purchase expense reduced by 22.35%.
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