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首页> 外文期刊>Reliability Engineering & System Safety >Assignment of probability distributions for parameters in the 1996 performance assessment for the Waste Isolation Pilot Plant. Part 2. Application of process
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Assignment of probability distributions for parameters in the 1996 performance assessment for the Waste Isolation Pilot Plant. Part 2. Application of process

机译：在废物隔离试验工厂的1996年性能评估中分配参数的概率分布。第2部分。过程的应用

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摘要

A managed process was used to consistently and traceably develop probability distributions for parameters representing epistemic uncertainty in four preliminary and the final 1996 performance assessment (PA) for the Waste Isolation Pilot Plant. Between 67 probability density functions (PDFs) in the 1989 PA and 236 PDFs in the 1996 PA were assigned by a parameter development team, using a process described in a companion paper. In the five iterative PAs conducted, the most commonly used distributions were the uniform PDF and piecewise-uniform PDF (also referred to as a piecewise-linear cumulative distribution function (CDF)). Other distributions used included the truncated normal, truncated Student-t, and triangular PDFs. In a few instances, a discrete delta (piecewise-uniform CDF), beta, and exponential PDF were also used. The PDFs produced for the 24 most important parameters observed in the five iterative PAs are presented. As background, the list of 194 parameters documented in the first 1989 PA through the 1471 parameters documented in the 1996 compliance PA are also provided.
机译：在四个初步和最终的1996年废物隔离试验工厂性能评估（PA）中，使用管理过程来一致且可追溯地开发代表认知不确定性的参数的概率分布。 1989年的PA中有67个概率密度函数（PDF）和1996年的PA中有236个PDF由参数开发小组分配，使用了随附文件中描述的过程。在执行的五个迭代PA中，最常用的分布是统一PDF和分段统一PDF（也称为分段线性累积分布函数（CDF））。使用的其他分布包括截断的正态，截断的Student-t和三角形PDF。在少数情况下，还使用了离散增量（分段均匀CDF），β和指数PDF。介绍了针对五个迭代PA中观察到的24个最重要参数生成的PDF。作为背景，还提供了1989年第一个PA中记录的194个参数到1996年合规性PA中记录的1471个参数的列表。

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