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정윤형(Yun Hyung Chung) 대한인간공학회 2011 大韓人間工學會誌 Vol.30 No.1
Method: We reviewed the papers of communication analysis studies in various fields and summarized communication error researches. Results: We proposed perspectives for communication error analysis and explained the need for extended analysis framework using advanced human-machine interfaces, which will cause the change of communication between operation team, including shifted abstraction phenomena. And we describe main concepts and the case study of H-H-S framework and finally introduce current studies of communication analysis in nuclear domain. Conclusion: The goal of communication analysis is common in all industries. We have to share and co-work for event prevention. Application: The results of the communication analysis might help to facilitate the understanding for interested researchers.
정윤형 ( Yun-hyung Chung ),김동진 ( Dong Jin Kim ) 한국안전학회(구 한국산업안전학회) 2016 한국안전학회지 Vol.31 No.5
When an event is occurred in a nuclear power plant (NPP), the NPP operator reports it referred by the regulation on reporting and public announcement of accidents and incidents. Some of the events do not need to be reported because they are not included in the reporting criteria of the regulation. However, it is necessary that they should be managed effectively because the accident can be occurred by the recurrence of a lot of them as precursors. Among the events not included in the reporting criteria of the regulation, near miss is the event that is not occurred but can generate a significant consequence. This can provide the cause of the event which does not result an accident. So, it is able to offer insightful knowledges to prevent higher level events about the function and process of NPP. The objective of this study is to analyze the issues of near miss events, prepare the defence against the risk, and improve the management process of NPP. To achieve it, this study performed to analyze the management structure and status of near miss events as well as the accident reporting system of the domestic and foreign regulation bodies. In case of Korea, the status was analyzed by quantitative data, licensee event reports and procedures. Based on these, we could find the causes that near miss events were not managed effectively. Then, systematic alternatives that reflected the perspective of man, technology and organization were drawn.
Safety-II 개념에 기반한 성공사례 분석과 안전문화 모범관행의 도출
임지한(Ji Han Lim ),최영성(Young Sung Choi),정윤형(Yun Hyung Chung) 대한인간공학회 2020 大韓人間工學會誌 Vol.39 No.4
Objective: This study aims to develop a process for identifying good practices for safety culture through the analysis of successful work cases, to apply it to domestic nuclear power plants (NPPs), and to review its effectiveness for workers" learning of safety culture. Background: While most studies on safety culture focuses on assessment and improvement, it is necessary to present good practices that are tangible to catch the meanings in actual worksites rather than to impose abstract safety culture concepts on workers. Method: Based on safety culture framework (Choi et al., 2016) and Safety-II concept (Hollnagel, 2018), an integrated process was proposed including four steps of screening and selecting work cases, clarifying success types, identifying good practices, and evaluating the effectiveness for learning. The process was applied to operational works of NPPs. Results: Case studies for applying the process showed that it could effectively identify good practices and that it had a potential to reinforce safety culture through the process implementation as well as the identified good practices. Good practices from successful work cases were evaluated to be worthy of workers" learning since there would be no chances to derive them from failure cases. Conclusion: Applying the process for identifying and sharing good practices for safety culture will contribute to the internalization of safety culture in the field workers in NPPs and help the organization find valuable insights to improve safety culture in the reality of operational works. If efforts are continued to learn from successes, interests in safety culture will be maintained and ultimately nuclear safety will be ensured. Application: The process to identify good practices can be applied not only to NPPs but also to other safety fields such as the radiation use and aviation industry.