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Burn-in and the performance quality measures in continuous heterogeneous populations

Title
Burn-in and the performance quality measures in continuous heterogeneous populations
Authors
Cha J.H.Finkelstein M.
Ewha Authors
차지환
SCOPUS Author ID
차지환scopus
Issue Date
2012
Journal Title
Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability
ISSN
1748-006XJCR Link
Citation
vol. 226, no. 4, pp. 417 - 425
Indexed
SCIE; SCOPUS WOS scopus
Abstract
Burn-in is a method used to eliminate initial failures in field use. To burn-in a component or system means to subject it to a period of use prior to the time when it is to actually be used. Under the assumption of decreasing or bathtub-shaped population failure rate functions, various problems of determining optimal burn-in have been intensively studied in the literature. In this paper, we assume that a population is composed of stochastically ordered subpopulations, described by their own performance quality measures and study optimal burn-in, which optimizes overall performance measures. It turns out that this setting can justify burn-in even when it is not necessary in the framework of conventional approaches. For instance, it could be reasonable to perform burn-in even when the failure rate function that describes a heterogeneous population of items increases and this is one of the main and important findings of the current study. © 2012 IMechE.
DOI
10.1177/1748006X12443217
Appears in Collections:
자연과학대학 > 통계학전공 > Journal papers
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