On analysing warranty data from repairable items

Sarah Marshall, Stefanka Chukova

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)

Abstract

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.
Original languageEnglish
Pages (from-to)43–52
Number of pages10
JournalQuality and Reliability Engineering International
Volume26
Issue number1
Early online date26 Jun 2009
DOIs
Publication statusPublished - Feb 2010

Keywords

  • warranty data
  • non-homogeneous Poisson process
  • intensity function

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