独立元件组成的n中取k系统剩余寿命的年龄性质

Aging Properties of the Residual Life Length of k-out-of-n Systems withIndependent Components

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摘要研究了独立元件组成的n中取k系统的剩余寿命长度的年龄性质,该系统在时刻t<0有n-k个元件失效.对于几类寿命分布元件,讨论了元件仅仅独立的情形下,n中取k个系统剩余寿命的特征. The residual life length of a k-out-of-n system with only independent com-ponents, give that the （n-k-th failure has occurred at time t≥0, is investigated. Some aging notions are characterized in terms of dispersion-type varibility orders by using the residual lifetimes given the time of the （n-k）-th failure. These results extend and strengthen some known characterizations in the literature.

作者王丰效

机构地区陕西理工学院数学系

出处《纯粹数学与应用数学》 CSCD 北大核心 2007年第2期183-188,共6页 Pure and Applied Mathematics

基金陕西省教育厅科研基金项目(06JK325) 陕西理工学院科研基金项目(SLG0424)

关键词封闭性 DMRL IFR n中取k系统 NBUC NBUrh 增凸序 DMRL, IFR, k-out-of-n system, NBUC, NBUrh, Increasing convex order, Residual life

分类号 O212.2 [理学—概率论与数理统计]

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纯粹数学与应用数学

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独立元件组成的n中取k系统剩余寿命的年龄性质

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