期刊
ANNALS OF NUCLEAR ENERGY
卷 114, 期 -, 页码 451-457出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.anucene.2017.12.031
关键词
Nuclear power plants; Operating procedure; Task complexity; Human reliable analysis; Performance shaping factors
资金
- National Natural Science Foundation of China [71225006]
The digital control system has improved the equipment reliability and the productivity of nuclear power plants (NPPs) greatly. However, the human error in main control room of digital control systems has become a major influence for the safety and economic efficiency. Based on the task complexity and human reliable analysis, this study analyzes the procedural tasks in the main control room. Standardized Plant Analysis Risk Human Reliability Analysis (SPAR-H) method lacks cognitive activity analysis and the results are not accurate due to the subjective assessment of performance shaping factors (PSFs). The TACOM (Task Complexity) quantification method is then introduced to SPAR-H method to gain precise results. Finally, the steam generator tube ruptures is analyzed using the improved method and comparison is made between the result and empirical data. The result shows that the improved method can effectively identify task complexity factor to achieve a more accurate prediction of the human error probability, and the improvement of the prediction is significant to the safe operation of nuclear power plant. Moreover, the improved method can distinguish the tasks that with similar difficulties which is very important for the task selection in time-urgent situation. (C) 2017 Elsevier Ltd. All rights reserved.
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