Stochastic Comparisons Between Used Systems and Systems Made by Used Components

被引：9
作者：
Hazra, Nil Kamal [2 ]
Nanda, Asok K. [1 ]
机构：
[1] IISER Kolkata, Dept Math & Stat, Mohanpur 741246, India
[2] Indian Stat Inst, Appl Stat Unit, Kolkata 700108, India
来源：
IEEE TRANSACTIONS ON RELIABILITY | 2016年 / 65卷 / 02期
关键词：
Hazard rate function; inactivity time; k-out-of-n system; residual lifetime; reversed hazard rate function; stochastic orders; OF-N SYSTEMS; IDENTICALLY DISTRIBUTED COMPONENTS; COHERENT SYSTEMS; RESIDUAL LIFETIMES; NONIDENTICAL COMPONENTS; PARTIAL ORDERINGS; PARALLEL SYSTEMS; INACTIVITY TIMES; LIFE; RELIABILITY;
D O I：
10.1109/TR.2015.2484078
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
In the literature, stochastic orders are used to compare the lifetimes of two coherent systems. We show that, under certain conditions, a coherent system made out of independent components, which have been used for some units of time, performs better (worse) than a used coherent system (i.e., a system is formed by some new independent components and then the system has been used for sometime) with respect to different stochastic orders. Some results on stochastic comparisons between a coherent system of inactive components and an inactive coherent system are also discussed.
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页码：751 / 762
页数：12
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