概率风险评估的混合方法与软件平台

K. Groth, Dongfeng Zhu, A. Mosleh
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引用次数: 5

摘要

本文介绍了一种用于复杂系统概率风险评估(PRA)的混合方法的软件实现。该软件名为IRIS(综合风险信息系统),结合了用户友好的图形界面和强大的计算引擎。该框架包括多层建模方法,在混合因果逻辑(HCL)模型中结合事件序列图、故障树和贝叶斯信念网络。这允许在系统的不同领域中应用最合适的建模技术。IRIS的核心是将系统安全、危害分析和风险分析的相关观点整合到一个统一的框架中。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Hybrid methodology and software platform for probabilistic risk assessment
This paper introduces the software implementation of a hybrid methodology for probabilistic risk assessment (PRA) of complex systems. The software, called IRIS (Integrated Risk Information System) combines a user-friendly graphical interface with a powerful computational engine. The framework includes a multi-layered modeling approach, combining Event Sequence Diagrams, Fault Trees, and Bayesian Belief Networks in a hybrid causal logic (HCL) model. This allows the most appropriate modeling techniques to be applied in the different domains of the system. At its core IRIS brings related perspectives of system safety, hazard analysis, and risk analysis into a unifying framework.
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