[3J10-14] HRA/CMF/Decommissioning

[3J10] A Study on Human Error Probability Considering Environmental Change caused by Multi-unit Effect

- Evaluation of Impact of Skill and Manual using Fuzzy Inference

*Sunghyon Jang¹, Akira Yamaguchi², Tomomi Hanai³, Satoshi Shinzaki³, Takamasa Kurokawa³, Kensuke Toyoshima³, Masayuki Hijiya³ (1. The University of Tokyo (Currently,Hokkaido University), 2. The University of Tokyo (Currently, NSRA), 3. Nuclear Engineering, Ltd)

Keywords:Multi-unit PRA, Human Reliability Analysis, Human Error Probability

In this paper, the ambiguity of the effect of environmental changes due to multi-unit effects (dependencies) on human error events was quantified using the Basian network model and fuzzy inference, and the human error rate was quantified.