Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jspi.2010.01.045
Title: Planning sequential constant-stress accelerated life tests with stepwise loaded auxiliary acceleration factor
Authors: Liu, X. 
Tang, L.-C. 
Keywords: Accelerated life test
Arrhenius model
Auxiliary acceleration factor
Bayesian optimal design
Fisher information
Hallberg-Peck model
Sequential test design
Issue Date: Jul-2010
Source: Liu, X., Tang, L.-C. (2010-07). Planning sequential constant-stress accelerated life tests with stepwise loaded auxiliary acceleration factor. Journal of Statistical Planning and Inference 140 (7) : 1968-1985. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jspi.2010.01.045
Abstract: This article presents a design approach for sequential constant-stress accelerated life tests (ALT) with an auxiliary acceleration factor (AAF). The use of an AAF, if it exists, is to further amplify the failure probability of highly reliability testing items at low stress levels while maintaining an acceptable degree of extrapolation for reliability inference. Based on a Bayesian design criterion, the optimal plan optimizes the sample allocation, stress combination, as well as the loading profile of the AAF. In particular, a step-stress loading profile based on an appropriate cumulative exposure (CE) model is chosen for the AAF such that the initial auxiliary stress will not be too harsh. A case study, providing the motivation and practical importance of our study, is presented to illustrate the proposed planning approach. © 2010 Elsevier B.V. All rights reserved.
Source Title: Journal of Statistical Planning and Inference
URI: http://scholarbank.nus.edu.sg/handle/10635/63262
ISSN: 03783758
DOI: 10.1016/j.jspi.2010.01.045
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