On analysing warranty data from repairable items

Fitting models to failure data is an important topic in reliability. The resulting models can be useful both for manufacturers as well as for end‐users. In this paper we provide details of some methods from the literature which can be used as a starting point when analysing and fitting models to fai...

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Bibliographic Details
Published in:Quality and reliability engineering international 2010-02, Vol.26 (1), p.43-52
Main Authors: Marshall, Sarah E., Chukova, Stefanka
Format: Article
Language:English
Subjects:
Automotive components
Automotive industry
End users
Failure
Fittings
intensity function
Mathematical analysis
non-homogeneous Poisson process
Warranties
warranty data
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Summary:Fitting models to failure data is an important topic in reliability. The resulting models can be useful both for manufacturers as well as for end‐users. In this paper we provide details of some methods from the literature which can be used as a starting point when analysing and fitting models to failure data from repairable items. In particular we focus on obtaining analytical estimates of the intensity of a non‐homogeneous Poisson process. We illustrate some of these methods on failure data from the warranty database of a major car manufacturer. Copyright © 2009 John Wiley & Sons, Ltd.
ISSN:0748-8017
1099-1638
1099-1638
DOI:10.1002/qre.1032