| 威布尔分布无故障数据的可靠性评估 |
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| 引用本文： | 陆祖建,张仕念,张国彬,易当祥.威布尔分布无故障数据的可靠性评估[J].电子产品可靠性与环境试验,2011,29(6):6-9. |
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| 作者姓名： | 陆祖建 张仕念 张国彬 易当祥 |
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| 作者单位： | 北京市清河大楼子八,北京,100085 |
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| 摘 要： | 对于威布尔分布无故障数据可靠性评估方法中形状参数已知和未知的两种方法,通过一个例子进行对比分析,指出当形状参数毫无所知时,所得到的基本可靠度置信下限估计最为保守。通过相似产品的信息和工程经验对形状参数作出一个较为精确的估计是可行的。
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| 关 键 词： | 威布尔分布 基本可靠度 任务可靠度 |
Reliability Assessment for Zero Failure Data in Weibull Distribution |
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| LU Zu-jian,ZHANG Shi-nian,ZHANG Guo-bin,YI Dang-xiang.Reliability Assessment for Zero Failure Data in Weibull Distribution[J].Electronic Product Reliability and Environmental Testing,2011,29(6):6-9. |
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| Authors: | LU Zu-jian ZHANG Shi-nian ZHANG Guo-bin YI Dang-xiang |
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| Affiliation: | (Beijing Qinghe Big Building Zi No.8,Beijing 100085,China) |
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| Abstract: | The reliability assessments for zero failure data in Weibull distribution with the shape parameter known and unknown are compared and analyzed.It is pointed out that the lower confidence limit of basic reliability is the most conservative result when the shape parameter is not known.It’s shown that the information of similar products and engineering experiences are necessary for giving an relatively exact estimates of the shape parameter. |
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| Keywords: | Weibull distribution basic relibility mission reliability |
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