Development of measures to estimate truncation error in fault tree analysis

Woo Sik Jung, Joon-Eon Yang and Jaejoo Ha

Reliability Engineering and System Safety, 2005, vol. 90, issue 1, 30-36

Abstract: The fault tree quantification uncertainty from the truncation error has been of great concern for the reliability evaluation of large fault trees in the probabilistic safety analysis (PSA) of nuclear plants. The truncation limit is used to truncate cut sets of the gates when quantifying the fault trees. This paper presents measures to estimate the probability of the truncated cut sets, that is, the amount of truncation error. The functions to calculate the measures are programmed into the new fault tree quantifier FTREX (Fault Tree Reliability Evaluation eXpert) and a Benchmark test was performed to demonstrate the efficiency of the measures.

Keywords: Truncation error; Truncated probability; Fault tree analysis (search for similar items in EconPapers)
Date: 2005
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Citations: View citations in EconPapers (11)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:reensy:v:90:y:2005:i:1:p:30-36

DOI: 10.1016/j.ress.2004.09.007

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