Journal ArticleDOI
Profit analysis of two-unit priority standby system with administrative delay in repair
Rakesh Gupta,L.R. Goel +1 more
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In this paper, the profit analysis of a single server two-unit cold standby system with two modes normal and total failure is examined, where the priority unit gets preference both for operation and repair.Abstract:
The profit analysis of a single server two-unit (one priority and the other ordinary) cold standby system with two modes normal and total failure is examined. The priority unit gets preference both for operation and repair. Whenever an operative unit fails, a delay occurs in locating the repairman and getting him to the system location due to certain administrative actions with known probability p. The system is observed at suitable regenerative epochs in order to obtain several economics-related reliability characteristics. Explicit results are obtained in a few particular cases.read more
Citations
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Reliability analysis of a two-unit general parallel system with (n-2) warm standbys
Effie Papageorgiou,G. Kokolakis +1 more
TL;DR: A parallel (2, n-2)-system is investigated here where two units start their operation simultaneously and any one of them is replaced instantaneously upon its failure by one of the (n-2) warm standbys.
Journal ArticleDOI
Analysis of a two-unit warm standby system subject to degradation
TL;DR: In this article, the reliability analysis and the mean time to system recovery of a single server, two-unit (priority and ordinary) warm standby subject to degradation is presented. But the reliability is not considered in this paper.
Journal ArticleDOI
Stochastic analysis of two-unit redundant system with priority to inspection over repair
TL;DR: In this model, operative unit may fail, directly from normal mode and the cold standby unit may get failed owing to remain unused for a longer period of time or any other reason and a single server who visits the system immediately whenever required for the dual purpose of inspection and repair activities.
Journal ArticleDOI
A two-unit general parallel system with (n − 2) cold standbys—Analytic and simulation approach
Effie Papageorgiou,G. Kokolakis +1 more
TL;DR: Simulation techniques have been developed for the evaluation of the system reliability and the mean time to failure, useful when dealing with large systems or correlated unit-lifetimes and less mathematically manageable distributions.
Journal ArticleDOI
Long-run availability of a priority system: a numerical approach
TL;DR: In this paper, a two-unit cold standby system attended by two repairmen and subjected to a priority rule is considered, and a stochastic process endowed with state probability functions satisfying coupled Hokstad-type differential equations is proposed to describe the random behavior of the twin system.
References
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Journal ArticleDOI
Stochastic behaviour of a two-unit priority standby redundant system with repair
Toshio Nakagawa,Shunji Osaki +1 more
TL;DR: In this paper, a two-unit standby redundant system with a repairable non-priority unit is considered and the stochastic behavior of such a system is investigated; the distribution of the time to system failure, the expected number of visits to the system failure during a finite interval, and the pointwise unavailability are obtained.
Journal ArticleDOI
Cost analysis of a two unit priority standby system with imperfect switch and arbitrary distributions
TL;DR: In this paper, cost analysis of a single server two-unit (one priority and the other ordinary) cold standby system with two modes (normal and total failure) is presented.
Journal ArticleDOI
Analysis of two-dissimilar-unit standby redundant system with administrative delay in repair
N. K. Jaiswal,J. V. Krishna +1 more
TL;DR: In this article, a two-dissimilar unit cold standby redundant system is analyzed under the assumption that a random administrative time is spent in locating the repairman and getting hint to the system location.
Journal ArticleDOI
Analysis of two-unit-standby redundant system with administrative delay in repair
D.K. Pandey,S.M. Gupta +1 more
TL;DR: A two-unit cold standby redundant system is analysed under the assumption that administrative time is spent in locating the repairman and getting him available at the system location and the repair and failure time distribution are exponential and arbitrary.
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