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《Journal of Xihua University(Natural Science Edition)》 2008-03
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Reliability Analysis of Two Parallel Repairable Units System with Phase Type Repairs

DONG Bing(School of Computer Science,Civil Aviation Flight University of China,Guanghan Sichuan 618307 China),TANG Ying-hui.  
In this paper a parallel repairable system is considered as consisting of two dissimilar units and a single repairman.In the system,the life distribution of these two units is assumed to be exponential distribution,the repair distribution is assumed to be phase type distribution,and it is "as good as new" after the failed units repair.Under this assumption,the following features are studied by using Markov process,such as stationary probability distribution,system reliability and system availability,system mean failure time,distribution of the busy period and the idle period of the repairman.Respectively we prove that the reliability distributions follow PH distribution and busy period distribution of the server and repairman follow PH distribution.
【Fund】: 四川省教育厅自然科学基金重点项目(No.A067);; 四川师大引进人才基金项目;; 中国民航飞行学院青年基金(No.2007)
【CateGory Index】: O226
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