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Mean residual life of coherent systems consisting of multiple types of dependent components
Author(s) -
Eryilmaz Serkan,
Coolen Frank P.A.,
CoolenMaturi Tahani
Publication year - 2018
Publication title -
naval research logistics (nrl)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.665
H-Index - 68
eISSN - 1520-6750
pISSN - 0894-069X
DOI - 10.1002/nav.21782
Subject(s) - residual , survival function , representation (politics) , reliability (semiconductor) , mathematics , statistics , function (biology) , computer science , survival analysis , algorithm , physics , thermodynamics , power (physics) , evolutionary biology , politics , biology , political science , law
Mean residual life is a useful dynamic characteristic to study reliability of a system. It has been widely considered in the literature not only for single unit systems but also for coherent systems. This article is concerned with the study of mean residual life for a coherent system that consists of multiple types of dependent components. In particular, the survival signature based generalized mixture representation is obtained for the survival function of a coherent system and it is used to evaluate the mean residual life function. Furthermore, two mean residual life functions under different conditional events on components’ lifetimes are also defined and studied.