同条件多组定数截尾试验整体数据融合方法

林逢春; 康锐

同条件多组定数截尾试验整体数据融合方法

林逢春,
康锐

北京航空航天大学可靠性与系统工程学院,北京 100191

计量
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- 被引次数: 0
出版历程
- 收稿日期: 2009-12-30
- 修回日期: 2010-05-03
- 刊出日期: 2011-02-28

Integral data fusion method for multigroup type-Ⅱ censored tests under the same condition

School of Reliability and Systems Engineering, Beijing University of Aeronautics and Astronautics,Beijing 100191,China

摘要

摘要: 针对正态分布、对数正态分布、极值分布和Weibull分布等位置-尺度分布,提出一种同条件多组定数截尾试验的整体数据融合方法,能够对相同试验条件下的多组定数截尾试验数据进行综合分析,给出位置参数和尺度参数的整体融合估计,并在此基础上建立百分位值的点估计和区间估计.与传统方法相比,该方法具有信息量大、精度高的特点,能够进行极小子样的可靠性评定,解决了一个组别只有一个失效数据时产品可靠性的评定难题.
- 可靠性 /
- 定数截尾试验 /
- 数据融合 /
- 整体估计 /
- 小子样
Abstract: An integral data fusion method for multigroup type-Ⅱ censored tests under the same condition was presented for normal distribution,lognormal distribution,extreme value distribution,Weibull distribution and other location-scale distributions.This method could integrally infer censored data in multiple groups under the same conditions,and give the integral fusion estimate of the location and the scale parameter.And then,the estimator and the confidence interval of population percentile were established.Compared with traditional methods,the presented method not only has higher precision but also solves the problem of reliability assessment with very small sample.
- reliability /
- type-Ⅱcensored test /
- data fusion /
- integral estimate /
- small sample

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参考文献(15)

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