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Inference of constant-stress accelerated life test for a truncated distribution under progressive censoring

机译：渐进删失下截断分布的恒应力加速寿命试验的推论

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摘要

Accelerated life test (ALT) provides a feasible and efficient way to obtain information quickly on lifetime of products by testing them at higher-than-use operating conditions. In this paper, the lifetime of products is assumed to follow a lower truncated family of distributions, when both resilience and threshold parameters are nonconstant and affected by operating stress, inference is discussed for simple constant-stress ALT under progressive Type-Ⅱ censoring. Point estimates for unknown parameters are presented based on maximum likelihood and pivotal quantities based estimation methods. Meanwhile, generalized, asymptotic and bootstrap confidence intervals for the parameters of interest are constructed as well. Simulation studies and illustrative examples are carried out to investigate the performance of the proposed methods.
机译：加速寿命测试（ALT）提供了一种可行且有效的方法，可以通过在高于使用条件的工作条件下进行测试来快速获取有关产品寿命的信息。本文假设产品的寿命遵循较低的截短分布族，当回弹力和阈值参数均非恒定且受操作应力影响时，讨论了在渐进式Ⅱ型审查下简单恒应力ALT的推论。基于最大似然和基于枢轴数量的估计方法，给出了未知参数的点估计。同时，还构造了感兴趣参数的广义，渐近和自举置信区间。仿真研究和说明性示例进行了调查所提出的方法的性能。

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