06-23
Degradation-Threshold-Shock Models
by Lehmann, A.
Preprint series: 06-23, Preprints
The paper is published: Nikulin, M., Commenges, D., Huber, C. (eds), Probability, Statistics and Modelling in Public Health, Springer Science+Business Media, 2006, pp. 286-298.
- MSC:
- 62N05 Reliability and life testing, See also {90B25}
- 62F10 Point estimation
- 62M99 None of the above but in this section
Abstract: This paper deals with the joint modeling and simultaneous analysis of failure time data and degradation and covariate data. Many failure mechanisms can be traced to an underlying degradation process and stochastically changing covariates. We consider a general class of reliability models in which failure is due to the competing causes of degradation and trauma and express the failure time in terms of degradation and covariates. We compute the survival function of the resulting failure time and derive the likelihood function for the joint observation of failure time data and degradation data at discrete times.
Keywords: Degradation process; degradation-threshold-shock model; DTS-model; traumatic event; threshold; first passage time
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