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Lee, Seung Jun
Risk Assessment and Risk-Informed Application
Research Interests
  • Probabilistic Safety Assessment, Digital I&C System Reliability, Human Reliability Analysis

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Concept of an Intelligent Operator Support System for Initial Emergency Responses in Nuclear Power Plants

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dc.contributor.author Kang, Jung Sung ko
dc.contributor.author Lee, Seung Jun ko
dc.date.available 2022-02-17T23:05:08Z -
dc.date.created 2022-02-15 ko
dc.date.issued 2022-07 ko
dc.identifier.citation NUCLEAR ENGINEERING AND TECHNOLOGY, v.54, no.7, pp.2453 - 2466 ko
dc.identifier.issn 1738-5733 ko
dc.identifier.uri https://scholarworks.unist.ac.kr/handle/201301/57252 -
dc.description.abstract Nuclear power plant operators in the main control room are exposed to stressful conditions in emergency situations as immediate and appropriate mitigations are required. While emergency operating procedures (EOPs) provide operators with the appropriate tasks and diagnostic guidelines, EOPs have static properties that make it difficult to reflect the dynamic changes of the plant. Due to this static nature, operator workloads increase because unrelated information must be screened out and numerous displays must be checked to obtain the plant status. Generally, excessive workloads should be reduced because they can lead to human errors that may adversely affect nuclear power plant safety. This paper presents a framework for an operator support system that can substitute the initial responses of the EOPs, or in other words the immediate actions and diagnostic procedures, in the early stages of an emergency. The system assists operators in emergency operations as follows: performing the monitoring tasks in parallel, identifying current risk and latent risk causality, diagnosing the accident, and displaying all information intuitively with a master logic diagram. The risk causalities are analyzed with a functional modeling methodology called multilevel flow modeling. This system is expected to reduce workloads and the time for performing initial emergency response procedures. ko
dc.language 영어 ko
dc.publisher 한국원자력학회 ko
dc.title Concept of an Intelligent Operator Support System for Initial Emergency Responses in Nuclear Power Plants ko
dc.type ARTICLE ko
dc.identifier.scopusid 2-s2.0-85124736290 ko
dc.identifier.wosid 000826778300012 ko
dc.type.rims ART ko
dc.identifier.doi 10.1016/j.net.2022.02.010 ko
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