| 离散时间修理延迟单部件可修系统的可靠性分析 |
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| 引用本文： | 杨懿,王立超,邹云.离散时间修理延迟单部件可修系统的可靠性分析[J].系统工程与电子技术,2008,30(5):987. |
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| 作者姓名： | 杨懿 王立超 邹云 |
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| 作者单位： | 南京理工大学自动化学院,江苏,南京,210094 |
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| 摘 要： | 针对离散时间下修理有延迟的单部件可修系统,建立了系统状态转移的数学模型。该模型假定系统有正常、维修和故障后待修三种状态,并且系统寿命、修复时间和等待修理时间均遵从一般离散分布。利用随机过程的方法,研究了该可修系统状态之间的转移关系。在该模型的基础上得到了系统可靠度、可用度、平均故障次数等常用可靠性指标。最后,通过一组算例来说明了该模型的有效性。
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| 关 键 词： | 可靠性分析 可靠性指标 随机过程 延迟 故障率 修复率 |
| 文章编号： | 1001-506X(2008)05-0987-03 |
| 修稿时间： | 2007年6月27日 |
Reliability analysis of a discrete-time one-unit repairable system with delay repair |
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| YANG Yi,WANG Li-chao,ZOU Yun.Reliability analysis of a discrete-time one-unit repairable system with delay repair[J].System Engineering and Electronics,2008,30(5):987. |
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| Authors: | YANG Yi WANG Li-chao ZOU Yun |
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| Abstract: | A model is proposed for a discrete-time one-unit repairable system with delay repair.It is supposed that the system has three states: normal,repair and waiting repair,and that the system life,repair time and waiting repair time all have general distribution.Using the method of stochastic process,the relation of system states is investigated,and a series of reliability indices are obtained such as reliability,availability,and the mean failure times.Finally,two examples are given to illustrate the proposed model. |
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| Keywords: | reliability analysis reliability index stochastic process delay failure rate repair rate |
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