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Optimal Multiple Constant-Stress Accelerated Life Tests for Generalized Exponential Distribution
Authors:Qiang Guan  Yincai Tang  Jiayu Fu  Ancha Xu
Affiliation:1. Institute of Information Engineering , Sanming University , Sanming , China;2. School of Finance and Statistics , East China Normal University , Shanghai , China;3. College of Mathematics and Information Science , Wenzhou University , Zhejiang , China
Abstract:Recently generalized exponential distribution has been discussed by many authors. In this article, we study the optimal constant-stress accelerated life tests with complete sample for the generalized exponential distribution. The problem of choosing the optimal proportions of test units allocated to each stress level is addressed by using V-optimality as well as D-optimality criteria. Some interesting conclusions are obtained. Finally, real data example and numerical examples have been analyzed to illustrate the proposed procedures.
Keywords:Accelerated life testing  D-optimality  Fisher information  Generalized exponential distribution  V-optimality
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