基于(T，S)策略的装备可修复备件两级库存配置建模

doi:10.3969/j.issn.1000-1093.2018.08.021

摘要/Abstract

摘要： 为了解决当前基于（S-1，S）库存策略的可修复备件库存模型难以适应部队实际的问题，建立了基于(T，S)库存策略的装备可修复备件两级库存最佳配置模型。结合部队实际情况，描述了基于(T，S)库存策略的装备可修复备件两级供应保障模式；综合考虑备件报废率、申请延误时间等因素，研究了(T，S)库存策略下备件保障效能评价指标；在此基础上，建立了以装备使用可用度为约束、备件保障费用最低为目标的两级库存最佳备件配置模型，并设计了模型边际分析求解算法；通过算例分析，验证了模型有效性。对比了(T，S)和（S-1，S）两种库存策略，结果表明，对于故障率较高、价格一般的可修复备件，采取(T，S)库存策略更加经济可行。

关键词: 可修复备件, 两级库存配置, 定期检查, 边际分析法

Abstract: The dominant multi-echelon inventory models for repairable spare parts are based on (S-1, S) inventory policy, which means that the failed item is sent back to a depot immediately and a spare part application is issued to the depot at the same time once an item fails at a base. The army has a lot of items to manage, however, frequent application and transportation will bring considerable fare and work-load. In order to address this problem, a two-echelon inventory allocation model is established based on (T, S) inventory policy. The support process of repairable spare parts based on (T, S) inventory policy is illustrated, in which both the returning of failed items and the application of spare parts are completed in a period instead of immediate. The evaluation indexes of spares support effectiveness are presented with the consideration of obsolescence rate and application delay, aiming to minimize the support expense while satisfying the equipment availability constraint. An adapted marginal analysis is then proposed to find the best answer of the model. Finally, an example is shown to prove the effectiveness of the proposed model, and (T, S) and (S-1, S) are compared. The result shows that, compared to (S-1, S), (T, S) is more suitable for spare parts with relative high failure-rate and low price.Key

Key words: repairablesparepart, two-echeloninventoryallocation, periodicinventory, marginalanalysis

中图分类号:

吴龙涛，王铁宁，可荣博，曹钰. 基于(T，S)策略的装备可修复备件两级库存配置建模[J]. 兵工学报, 2018, 39(8): 1632-1638.

WU Long-tao， WANG Tie-ning， KE Rong-bo， CAO Yu. Modeling of Inventory Allocation of Equipment Repairable Spare Parts in Two-echelon System Based on (TS) Inventory Policy[J]. Acta Armamentarii, 2018, 39(8): 1632-1638.

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2018 年8月兵工学报ACTA
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