| 含公用备件系统的可靠性研究与分析 |
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| 引用本文： | 陈正,李华旺,常亮. 含公用备件系统的可靠性研究与分析[J]. 计算机工程, 2012, 38(6): 269-270 |
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| 作者姓名： | 陈正 李华旺 常亮 |
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| 作者单位： | 1. 中国科学院上海微系统与信息技术研究所,上海200050;中国科学院研究生院,北京100039
2. 中国科学院上海微系统与信息技术研究所,上海,200050 |
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| 基金项目： | 上海市科委专项基金资助项目(10DZ2291700) |
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| 摘 要： | 针对微小卫星对可靠性、重量和体积的苛刻要求，提出一种公用备件与冷备份并存的系统设计方案。利用故障树基本理论和MonteCarlo仿真的方法对该系统的可靠性进行建模、分析和计算。结果表明，该方案保留了公用备件系统节省重量与体积的优点，同时能够保证该系统的可靠性在2年内与三机冷备份处于同一数量级。
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| 关 键 词： | 微小卫星；公用备件；可靠性；Monte Carlo仿真；动态故障树；马尔科夫链 |
Reliability Research and Analysis of Public Redundance System |
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| CHEN Zheng , LI Hua-wang , CHANG Liang. Reliability Research and Analysis of Public Redundance System[J]. Computer Engineering, 2012, 38(6): 269-270 |
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| Authors: | CHEN Zheng LI Hua-wang CHANG Liang |
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| Affiliation: | 1 (1.Shanghai Institute of Micro-system and Information Technology,Chinese Academy of Science,Shanghai 200050,China;2.Graduate University of Chinese Academy of Sciences,Beijing 100039,China) |
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| Abstract: | A redundant design project including public redundance and cold redundance is proposed according to the rigorous requirements of micro-satellite for reliability,weight and cubage.Based on the theories of the Falut Tree(FT) and the method of Monte Carlo simulation,the reliability of the design project is modeled and calculated.Result of the calculating shows the design project keeps the advantage of the public redundance system,saves weight and cubage,also the reliability of the project is in the same level as the system with cold redundance in two years. |
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| Keywords: | micro-satellite public redundance reliability Monte Carlo simulation dynamic fault tree Markov chain |
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