| 系统可靠性增长模型 |
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| 引用本文： | 韩庆田,卢洪义,崔嘉.系统可靠性增长模型[J].上海航天,2008,25(5). |
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| 作者姓名： | 韩庆田 卢洪义 崔嘉 |
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| 作者单位： | 海军航空工程学院,山东,烟台,264001 |
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| 摘 要： | 根据系统在研制期间可靠性的变化规律,考虑维修、改进对系统可靠性的影响,引入改进效果系数,建立了一种基于虚拟工作时间的可修系统可靠性增长模型,可用于完全维修、不完全维修、最小维修和恶化维修.给出了故障强度函数和累积故障次数的表达式,以及模型参数的极大似然估计.算例表明:该模型分析结果与AM-SAA模型一致,且符合工程实际,其参数意义更明确.
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| 关 键 词： | 可靠性增长 可修系统 虚拟工作时间 改进效果系数 故障强度函数 累积故障次数 极大似然估计法 |
Research on Reliability Growth Models of Systems |
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| HAN Qing-tian,LU Hong-yi,CUI Jia.Research on Reliability Growth Models of Systems[J].Aerospace Shanghai,2008,25(5). |
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| Authors: | HAN Qing-tian LU Hong-yi CUI Jia |
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| Institution: | HAN Qing-tian,LU Hong-yi,CUI Jia(Navy Aeronautical Engineering Institute,Yantai Sh,ong 264001,China) |
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| Abstract: | According to the variety of the reliability of repairable systems, accounting for the influences of the modification and repair,a reliability growth model based on virtual age was developed in this paper when the repair effectiveness index was introduced,which could be applied to various situations,such as perfect repair,imperfect repair,minimal repair,worse repair and worst repair.The failure rate function and the expression of the cumulate failure numbers were presented,and so was the maximum likehood est... |
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| Keywords: | Reliability growth Repairable system Virtual age Repair effectiveness index Failure rate function Cumulate failure numbers Maximum likehood estimation |
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