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A two-unit general parallel system with (n - 2) cold standbys-Analytic and simulation approach

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dc.contributor.author Papageorgiou, E en
dc.contributor.author Kokolakis, G en
dc.date.accessioned 2014-03-01T01:25:51Z
dc.date.available 2014-03-01T01:25:51Z
dc.date.issued 2007 en
dc.identifier.issn 0377-2217 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/17775
dc.subject Cold standbys en
dc.subject Correlated lifetimes en
dc.subject General distributions en
dc.subject Redundancy en
dc.subject Rejection method en
dc.subject Reliability en
dc.subject Simulation en
dc.subject.classification Management en
dc.subject.classification Operations Research & Management Science en
dc.subject.other Cold standbys en
dc.subject.other Correlated lifetimes en
dc.subject.other General distributions en
dc.subject.other Rejection method en
dc.subject.other Computational complexity en
dc.subject.other Computer simulation en
dc.subject.other Correlation methods en
dc.subject.other Mathematical models en
dc.subject.other Operations research en
dc.title A two-unit general parallel system with (n - 2) cold standbys-Analytic and simulation approach en
heal.type journalArticle en
heal.identifier.primary 10.1016/j.ejor.2005.09.010 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.ejor.2005.09.010 en
heal.language English en
heal.publicationDate 2007 en
heal.abstract 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) cold standbys. We assume availability of n non-identical, non-repairable units for replacement or support. The system reliability is evaluated by recursive relations with unit-lifetimes Ti (i = 1, ..., n) that have a general joint distribution function F(t). On the basis of the derived expression, 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. Simulation results are presented for various lifetime distributions and comparisons are made with derived analytic results for some special distributions and moderate values of n. © 2005 Elsevier B.V. All rights reserved. en
heal.publisher ELSEVIER SCIENCE BV en
heal.journalName European Journal of Operational Research en
dc.identifier.doi 10.1016/j.ejor.2005.09.010 en
dc.identifier.isi ISI:000241709800024 en
dc.identifier.volume 176 en
dc.identifier.issue 2 en
dc.identifier.spage 1016 en
dc.identifier.epage 1032 en


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