首页 / 实验设计 / 贝叶斯事件树分析——带先验更新的概率风险建模 Process / pipeline Engineering methods
贝叶斯事件树分析——带先验更新的概率风险建模 贝叶斯事件树分析(B-ETA)是一种定量风险评估方法,它通过结合贝叶斯推断来分配和更新分支概率,从而扩展了经典的事件树分析。从一个初始事件开始,它通过安全屏障映射成功和失败的序列,利用先验分布和观测到的证据来产生后验结果概率。该方法广泛应用于核安全、流程工业和系统可靠性工程领域。
速览
Originator H.E. Watson (Bell Labs, fault tree); ETA formalized via US Nuclear Regulatory Commission; Bayesian extension developed in reliability and risk engineering communities
Year ETA: 1960s–1970s; Bayesian extension: 1990s–2000s
Type Probabilistic risk and reliability analysis technique
DataType Failure probability data, expert elicitation, historical incident records, prior distributions
Subfamily Engineering methods 本页目录
Method map The neighbourhood of related methods — select a node to explore.
来源 Bearfield, G., & Marsh, W. (2005). Generalising event trees using Bayesian networks with a case study of train derailment. In G. Windeknecht et al. (Eds.), Proceedings of the 13th Safety-Critical Systems Symposium. Springer. link ↗ Event tree analysis. Wikipedia. link ↗ 如何引用本页 APA BibTeX RIS 复制
ScholarGate. (2026, June 3). Bayesian Event Tree Analysis. ScholarGate. https://scholargate.app/zh/experimental-design/bayesian-event-tree-analysis
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Which method? Set this method beside its closest kin and read them side by side — the library lays the books on the table; the choice is yours.
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ScholarGate — Bayesian Event Tree Analysis (Bayesian Event Tree Analysis). 于 2026-06-15 检索自 https://scholargate.app/zh/experimental-design/bayesian-event-tree-analysis · 数据集: https://doi.org/10.5281/zenodo.20539026