Constant-stress Accelerated Life Test with Competing Risks under Progressive Type-II Hybrid Censoring

被引：8
|
作者：
Shi, Yi-min [1 ]
Jin, Li [1 ]
Wei, Chao [1 ]
Yue, Hong-bo [1 ]
机构：
[1] Northwestern Polytech Univ, Dept Appl Math, Xian 710072, Peoples R China
来源：
ADVANCES IN MANUFACTURING SCIENCE AND ENGINEERING, PTS 1-4 | 2013年 / 712-715卷
关键词：
Competing risks for failure; Progressive type-II hybrid censoring; Constant-stress accelerated life test; Maximum likelihood estimator; Bayes estimator;
D O I：
10.4028/www.scientific.net/AMR.712-715.2080
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, we consider a constant-stress accelerated life test with competing risks for failure from exponential distribution under progressive type-II hybrid censoring. We derive the maximum likelihood estimator and Bayes estimator of the parameter and prove their equivalence under certain circumstances. Further study of the estimators indicates that missing of failure modes would result in overestimation of the mean lifetime. Finally, a Monte-Carlo simulation is performed to demonstrate the accuracy and effectiveness of the estimators.
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页码：2080 / 2083
页数：4
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