Determination of Two Change Points of a Bathtub Failure Rate Curve

Ren-yan Jiang ()
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Ren-yan Jiang: Changsha University of Science and Technology

Chapter Chapter 67 in The 19th International Conference on Industrial Engineering and Engineering Management, 2013, pp 619-629 from Springer

Abstract: Abstract This paper gives main characteristics of the failure-rate-based bathtub curve, defines two change points of the bathtub curve and develops nonparametric and parametric methods to estimate the change points. Simple relations for estimating the interval failure rate in the infant mortality and random failure phases are derived. The proposed methods are useful for model selection and can be used to evaluate the appropriateness of any bathtub curve model. These are illustrated through a real-world example.

Keywords: Failure rate; Bathtub curve; Change point; Nonparametric method; Parametric method (search for similar items in EconPapers)
Date: 2013
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Persistent link: https://EconPapers.repec.org/RePEc:spr:sprchp:978-3-642-38433-2_67

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DOI: 10.1007/978-3-642-38433-2_67

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