Open Journal of Statistics

Volume 2, Issue 2 (April 2012)

ISSN Print: 2161-718X   ISSN Online: 2161-7198

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On a Generalized Model in Accelerated Life Testing

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DOI: 10.4236/ojs.2012.22021    5,645 Downloads   8,322 Views  

ABSTRACT

The main objective of accelerated life tests in this setting is the recovery of the distribution of the random variable representing lifetime which is difficult to observe at a certain level of a given stress factor. A general model for accelerated life test is proposed that utilizes the inverse problem approach, that is, the variable is observe at different level/s and the transfer function is used to recover the elusive random variable (life time). The problem then is reduced to finding the transfer function. We derive some properties of the proposed general model. The Lognormal distribution and the Arrhenius model for lifetime are used as examples. Its relationship with the Cox proportional hazards model is also discussed.

Cite this paper

E. Cruz and A. Guzman, "On a Generalized Model in Accelerated Life Testing," Open Journal of Statistics, Vol. 2 No. 2, 2012, pp. 184-187. doi: 10.4236/ojs.2012.22021.

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