串件拼修对策下K/N(G)结构系统可用度评估建模
收稿日期: 2016-04-14
修回日期: 2016-05-23
网络出版日期: 2016-06-30
基金资助
国防预研项目（51327020105，51304010206）
Availability evaluation modeling for K/N(G) structure system with cannibalization
Received date: 2016-04-14
Revised date: 2016-05-23
Online published: 2016-06-30
Supported by
National Defence Pre-research Foundation (51327020105, 51304010206)
针对作战编队自主保障期间，作战单元对装备故障仅具备换件修理、保障单元对备件修复概率小于1的保障特点，扩展备件管理多级（METRIC）模型，建立了装备冗余和外场更换件（Line Replaceable Unit，LRU）冗余结构下非串件策略和串件策略两级单层备件库存保障模型。以备件贮存空间为约束，可用度为目标，对非串件策略系统建立有限解空间下的分层边际优化模型。依据备件保障流程，基于蒙特卡罗仿真方法建立了两级维修保障仿真模型。实例分析结果表明：当系统可用度较低，采用串件策略能极大提高系统可用度；仿真结果与解析结果一致，本文建模方法正确。模型可为保障决策者制定编队随行备件方案提供参考。
周亮 , 李庆民 , 彭英武 , 李华 . 串件拼修对策下K/N(G)结构系统可用度评估建模[J]. 航空学报, 2017 , 38(4) : 220319 -220319 . DOI: 10.7527/S1000-6893.2016.0190
During the task of the combat formation in independent support, the combat unit only has the ability to change the failed parts of equipment, and the reparability probability of spare parts by the supply unit is less than 1. By extending the multi-echelon technique for recoverable item control (METRIC) model, this paper establishes a model for spare part inventory control with non-cannibalization and cannibalization strategies for redundant equipment and line replaceable unit (LRU) redundant structure system. The model takes the storage space of spare parts as the constraint, and the system availability as the target. A hierarchical marginal optimization model is established for the finite solution space of the non-cannibalization strategy system. On the basis of spare parts support process, two-level maintenance support simulation model is established based on Monte Carlo simulation method. The analysis results of the example show that the system availability can be greatly improved by using cannibalization strategy, and the simulation results are consistent with the analytical results. The model can provide reference for decision makers to make the plan for the formation of the accompanying spare parts.
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[5]薛陶，冯蕴雯，秦强. 考虑报废的 K/N 冷备份冗余系统可修复备件优化[J]．华 南 理 工 大 学 学 报 ( 自 然 科 学 版 ),2014,42(1):41-46.
[6]阮旻智，李庆民，彭英武等. 串件拼修对策下多级维修供应的装备系统可用度评估[J]．航空学报，2012，33(4)：658-665．
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[12]李华，李庆民，刘任洋等.任务期内多层级不完全修复件的可用度评估[J].系统工程与电子技术.2016(02)，在线有限出版。
[13]Sherbrooke C C. Optimal Inventory Modeling of Systems: Multi-Echelon Techniques (Second Edition)[M]. Boston: Artech House, 2004.
[14]张志华.可靠性理论及工程应用[M]．北京：科学出版社，2012：5-10.
[15]任敏，陈全庆，沈震等.备件供应学[M].北京：国防工业出版社，2013:278-289.
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