| 正态分布单元可用度及其影响因素分析 |
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| 引用本文： | 张明亮,周明熙,李强,孙涛.正态分布单元可用度及其影响因素分析[J].航天控制,2005,23(5):83-87. |
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| 作者姓名： | 张明亮 周明熙 李强 孙涛 |
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| 作者单位： | 酒泉卫星发射中心 兰州732750
(张明亮，周明熙，李强)，酒泉卫星发射中心 兰州732750(孙涛) |
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| 摘 要： | 在航空航天系统中,可修复单元的故障密度和修复密度并非总是服从指数分布,实际存在着正态分布情况,不能采用马尔可夫状态转移方法处理。文章以故障密度和修复密度都服从正态分布的产品为例,通过数值求解微分方程组,分析了正态分布单元的可用度变化规律以及影响因素。
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| 关 键 词： | 正态分布 故障频率 修复频率 可用度 |
| 文章编号： | 1006-3242(2005)05-0083-05 |
| 修稿时间： | 2005年7月18日 |
Analysis of Availability and Affecting Factor for Repairable Unit Expressed by Normal Distribution |
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| Zhang Mingliang Zhou Mingxi Li Qiang Sun TaoJiuquan Satellite Launch Center,Lanzhou.Analysis of Availability and Affecting Factor for Repairable Unit Expressed by Normal Distribution[J].Aerospace Control,2005,23(5):83-87. |
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| Authors: | Zhang Mingliang Zhou Mingxi Li Qiang Sun TaoJiuquan Satellite Launch Center Lanzhou |
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| Institution: | Zhang Mingliang Zhou Mingxi Li Qiang Sun TaoJiuquan Satellite Launch Center,Lanzhou 732750 |
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| Abstract: | In aeronautics and astronautics system,fault density and maintenance density for repairable(unit) are not always expressed by exponential distribution.In fact,repairable unit expressed by normal distribution exists in engineering application.Markov model could not be used in availability analysis of such(unit).Based on the method of differential equation,this paper analyzes the availability changing rules and affecting factor of repairable unit expressed by normal distribution in detail.Subject terms Normal distribution availability Failure frequency Maintenance frequency Availability |
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| Keywords: | Normal distribution availability Failure frequency Maintenance frequency Availability |
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