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Burn-in and the performance quality measures in heterogeneous populations

Title
Burn-in and the performance quality measures in heterogeneous populations
Authors
Cha J.H.Finkelstein M.
Ewha Authors
차지환
SCOPUS Author ID
차지환scopus
Issue Date
2011
Journal Title
European Journal of Operational Research
ISSN
0377-2217JCR Link
Citation
vol. 210, no. 2, pp. 273 - 280
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Burn-in is a widely used engineering method of elimination of defective items before they are shipped to customers or put into field operation. Under the assumption that a population is described by the decreasing or bathtub-shaped failure rate functions, various optimal burn-in problems have been intensively studied in the literature. In this paper, we consider a new model and assume that a population is composed of stochastically ordered subpopulations described by their own performance quality measures. It turns out that this setting can justify burn-in even in situations when it is not justified in the framework of conventional approaches. For instance, it is shown that it can be reasonable to perform burn-in even when the failure rate function that describes the heterogeneous population of items increases and this is one of the main and important findings of our study. © 2010 Elsevier B.V. All rights reserved.
DOI
10.1016/j.ejor.2010.09.019
Appears in Collections:
자연과학대학 > 통계학전공 > Journal papers
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