Modeling and Inference for Multi-state Systems

Vlad Stefan Barbu () and Alex Karagrigoriou ()
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Vlad Stefan Barbu: Université de Rouen
Alex Karagrigoriou: University of the Aegean

A chapter in Recent Advances in Multi-state Systems Reliability, 2018, pp 59-70 from Springer

Abstract: Abstract In this work we are focused on multi-state systems modeled by means of a special type of semi-Markov processes. The sojourn times are seen to be independent not necessarily identically distributed random variables and assumed to belong to a general class of distributions closed under extrema that includes, in addition to some discrete distributions, several typical reliability distributions like the exponential, Weibull, and Pareto. A special parametrization is proposed for the parameters describing the system, taking thus into account various types of dependencies of the parameters on the the states of the system. We obtain maximum likelihood estimators of the parameters and plug-in type estimators are furnished for the basic quantities describing the semi-Markov system under study.

Keywords: Multi-state system; Reliability theory; Survival analysis; Semi-Markov processes; Parameter estimation; Time-varying model; Scale parameter (search for similar items in EconPapers)
Date: 2018
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Persistent link: https://EconPapers.repec.org/RePEc:spr:ssrchp:978-3-319-63423-4_4

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DOI: 10.1007/978-3-319-63423-4_4

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