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- Title
An optimal burn‐in policy based on a degradation model.
- Authors
Mosayebi Omshi, E.; Shemehsavar, S.
- Abstract
: Burn‐in tests help manufacturers detect defective items and remove them before being sold to customers. In a competitive marketplace, cost is a major consideration and not employing a burn‐in test may result in higher and needless expenses. With this in mind, we consider degradation‐based burn‐in tests in which the degradation path follows a Wiener process and weak items are identified when the process crosses a piecewise linear function. We also study linear functions as a special case of such a piecewise linear barrier. Within this setup, we apply a cost model to determine the optimal burn‐in test. Finally, we discuss an illustrative example using GaAs laser degradation data and present an optimal burn‐in test for it.
- Subjects
WIENER processes; MARKET design &; structure (Economics); LINEAR equations; GALLIUM arsenide lasers; GAUSSIAN processes
- Publication
Applied Stochastic Models in Business & Industry, 2018, Vol 34, Issue 4, p486
- ISSN
1524-1904
- Publication type
Article
- DOI
10.1002/asmb.2314