Estimation in Degradation Models with Explanatory Variables

Authors: Bagdonavicius V.¹; Nikulin M.S.²

Source: Lifetime Data Analysis, Volume 7, Number 1, March 2001 , pp. 85-103(19)

Publisher: Springer

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Abstract:

Influence of covariates on degradation is modelled. Models which include dependence of the intensity of the process of traumatic events on the degradation level are also discussed. Estimation of reliability and degradation characteristics from data with covariates is considered in dynamic environments.

Keywords: covariate; degradation process; gamma-process; maximum likelihood estimator; nonparametric model; parametric model; Poisson process; survival function; traumatic event; tire wear

Language: English

Document Type: Regular paper

Affiliations: 1: Department of Statistics, Vilnius University, Lithuania 2: University Victor Segalen Bordeaux 2, Bordeaux, 33076, France & Steklov Mathematical Institute, 27 Fontanka, 191011, Saint Petersburg, Russia

Publication date: 2001-03-01