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    题名: Planning Step-Stress Test Plans under Type-I Hybrid Censoring for the Log-Location-Scale Distribution
    作者: Lin, Chien-Tai;Chou, Cheng-Chieh;Balakrishnan, N.
    关键词: Accelerated life-test;Cumulative exposure model;Fisher information matrix;Maximum likelihood method
    日期: 2019-06-19
    上传时间: 2019-06-28 12:10:37 (UTC+8)
    出版者: Springer Berlin Heidelberg
    摘要: The optimal design of a k-level step-stress accelerated life-testing (ALT) experiment with unequal duration steps under Type-I hybrid censoring scheme for a general log-location-scale lifetime distribution is discussed here. Censoring is allowed only at the change-stress point in the final stage. Based on the cumulative exposure model, the determination of the optimal choice for Weibull, lognormal and log-logistic lifetime distributions are considered by minimization of the asymptotic variance of the maximum likelihood estimate of the pth percentile of the lifetime at the normal operating condition. Numerical results show that for these lifetime distributions, the optimal k-step-stress ALT design with unequal duration steps under Type-I hybrid censoring scheme reduces just to a 2-step-stress ALT design.
    關聯: Statistical Methods & Applications, p.1-24
    DOI: 10.1007/s10260-019-00476-8
    显示于类别:[數學學系暨研究所] 期刊論文


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