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    Please use this identifier to cite or link to this item: http://tkuir.lib.tku.edu.tw:8080/dspace/handle/987654321/116901


    Title: Planning Step-Stress Test Plans under Type-I Hybrid Censoring for the Log-Location-Scale Distribution
    Authors: Lin, Chien-Tai;Chou, Cheng-Chieh;Balakrishnan, N.
    Keywords: Accelerated life-test;Cumulative exposure model;Fisher information matrix;Maximum likelihood method
    Date: 2019-06-19
    Issue Date: 2019-06-28 12:10:37 (UTC+8)
    Publisher: Springer Berlin Heidelberg
    Abstract: 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.
    Relation: Statistical Methods & Applications, p.1-24
    DOI: 10.1007/s10260-019-00476-8
    Appears in Collections:[Graduate Institute & Department of Mathematics] Journal Article

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