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航天器寿命数据的定义、范畴及其分类研究 被引量:2
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作者 王志梅 刘正高 《质量与可靠性》 2009年第4期22-24,共3页
系统地介绍了航天器寿命的涵义,分析了开展航天器寿命数据管理和积累的重要意义,研究提出了航天器寿命数据的定义、范畴与分类,并以寿命试验数据为例设计了分类寿命数据采集卡,为建立航天器寿命数据管理和评估系统及规范寿命数据管理工... 系统地介绍了航天器寿命的涵义,分析了开展航天器寿命数据管理和积累的重要意义,研究提出了航天器寿命数据的定义、范畴与分类,并以寿命试验数据为例设计了分类寿命数据采集卡,为建立航天器寿命数据管理和评估系统及规范寿命数据管理工作提供了基础。 展开更多
关键词 航天器寿命数据 寿命定义 寿命数据范畴 寿命数据分类
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A TWO-STAGE ESTIMATION ALGORITHM FOR A TYPE OF CURRENT STATUS DATA
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作者 Hui ZHAO Ningning JIANG 《Journal of Systems Science & Complexity》 SCIE EI CSCD 2012年第3期556-566,共11页
Success-failure life tests are widely used in reliability engineering research to evaluate the storage life of products, where the observed data are the current status data, usually summarized as the form of "binomia... Success-failure life tests are widely used in reliability engineering research to evaluate the storage life of products, where the observed data are the current status data, usually summarized as the form of "binomial life data". For this type of data, this paper proposes a two-stage algorithm to estimate some commonly used lifetime distributions. This Mgorithm is automatic, intuitively appealing and simple to implement. Simulation studies show that compared with some existing methods, the proposed algorithm is more stable and efficient, especially in small sample situations, and it can also be extended to deM with some complicated lifetime distributions. 展开更多
关键词 Current status data nonparametric maximum likelihood estimation success-failure lifetest.
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