| 有限维修能力下作战单元时变可用度评估模型 |
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| 引用本文： | 徐立,李庆民,李华,邵松世.有限维修能力下作战单元时变可用度评估模型[J].国防科技大学学报,2016,38(1):114-121. |
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| 作者姓名： | 徐立 李庆民 李华 邵松世 |
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| 作者单位： | 海军工程大学 兵器工程系,海军工程大学 科研部,海军工程大学 兵器工程系,海军工程大学 科研部 |
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| 基金项目： | 国家部委基金资助项目（51304010206，,51327020105） |
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| 摘 要： | 针对作战单元任务期内备件需求随任务阶段动态变化的现实情况,考虑作战单元因携行维修能力有限而导致可修件具有一定报废概率的影响,通过引入报废因子,建立两级保障体制下,故障件具有一定报废概率且不考虑外部补给的作战单元时变可用度评估模型。采用Extend Sim仿真软件进行计算,根据仿真值进行参数拟合得到模型中报废因子的近似解析表达形式。研究表明,报废因子能够适应不同的可靠性维修性参数值,模型具有较强的适应性。该模型有效解决了备件非平衡状态下的装备时变可用度评估问题,可为装备管理人员制定合理的保障方案提供支撑。
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| 关 键 词： | 作战单元 时变可用度 备件 报废概率 评估模型 |
| 收稿时间： | 2/6/2015 12:00:00 AM |
Evaluation Model of Equipment Time-varying Availability for Combat Units under Finite Repair Capacity |
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| XU Li,LI Qingmin,LI Hua and SHAO Songshi.Evaluation Model of Equipment Time-varying Availability for Combat Units under Finite Repair Capacity[J].Journal of National University of Defense Technology,2016,38(1):114-121. |
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| Authors: | XU Li LI Qingmin LI Hua and SHAO Songshi |
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| Abstract: | Aim at the demand of spare parts changes dynamically as the mission phases does, considering the influence of the scrap probability owing to the finite carrying repair capacity of combat units, by the scrap factor, the evaluation model of time-varying operation availability for two echelon support system is developed, in which, the failure parts can be scrapped and there is no exterior supply. And then, simulation is realized based on ExtendSim software and the availability results is received, according to the results, the parameter fitting is carried into execution and the approximate analytical formula of scrap factor in the availability model is obtained. In a given example, the scrap factor can adapt different reliability and maintainability parameters, and the adaptability is validated. The evaluation model is a complementary for conventional models which is developed based on spare parts balance in support system and can help equipment personals to make appropriate spare parts programs. |
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| Keywords: | combat units time-varying availability spare parts scrap probability evaluation model |
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