期刊名称：Journal of Reliability and Statistical Studies
印刷版ISSN：0974-8024
电子版ISSN：2229-5666
出版年度：2011
卷号：4
期号：1
页码：85-93
出版社：Ankur Printing Palace
摘要：In repairable redundant systems the failed units can either be repaired or replaced byidentical standby to reduce the system down time. Thefailed units are inspected forrepair/replacement. In this paper, two stochastic models for 2(k)-out-of-3(n)redundant system ofidentical units with repair and inspection are examined stochastically.The system is consideredin up-state only if 2(k)-out-of-3(n)units are operative in both the models.Normally, theservereither attendsthe system promptly or maytakesome time, after failure. The system is studiedunder an operational restriction on the inspection i.e.incasewhen system has only one unitinoperational modethe serverhas toattend the system for inspection.Semi-Markov processes andRegenerative point technique is adopted to obtain the expressions for measures of systemeffectiveness such as transition probabilities, mean sojourn times,mean time to system failure,steady state availabilities, busy periods, expected number of visits etc. Cost-analysisis alsocarried out forthesystem models
