ABSTRACT As the main control room of nuclear power plants (NPPs) has been gradually digitized, new human reliability problems may emerge because of a series of new changes in the cognitive processes, behavioral patterns, and error mechanisms of operators. Aiming to address this situation, this paper proposes a method as guidance for human reliability analysis (HRA) of different cognitive Stages. This method first constructs the influencing factors of three cognitive processes, including monitoring, decision-making, and execution of actions, and then evaluates the weights of these influencing factors through an analytic hierarchy process (AHP). In this study, the parameters used in the proposed HRA method were determined by analyzing the test data obtained from a simulation model, and the results demonstrated the rationality and feasibility of the proposed method. A case example using this HRA method was given in which the human error probabilities at three stages in a nuclear power plant (NPP) steam generator tube ruptures (SGTR) accident were obtained. In summary, the proposed method is a simple and feasible HRA tool that can be applied in digital NPP main control rooms (MCRs).

中文翻译：

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核电厂数字化主控室操作人员人为可靠性分析

摘要 随着核电厂（NPPs）主控室的逐步数字化，操作员的认知过程、行为模式和错误机制等一系列新的变化可能会带来新的人为可靠性问题。针对这种情况，本文提出了一种方法来指导不同认知阶段的人类可靠性分析（HRA）。该方法首先构建了监控、决策和行动执行三个认知过程的影响因素，然后通过层次分析法（AHP）评估这些影响因素的权重。在这项研究中，所提出的 HRA 方法中使用的参数是通过分析从模拟模型获得的测试数据来确定的，结果证明了该方法的合理性和可行性。给出了一个使用这种 HRA 方法的案例，其中获得了核电厂 (NPP) 蒸汽发生器管道破裂 (SGTR) 事故中三个阶段的人为错误概率。总之，所提出的方法是一种简单可行的 HRA 工具，可应用于数字 NPP 主控室 (MCR)。