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Development of Plant Abnormal Status Response System by Multi-Alarm Pattern in Main Control Room (원자력발전소 주제어실 다중 경보 패턴에 의한 경보/비정상 대응 체계 개발)

  • Choi, Sun Yeong;Jung, Wondea
    • Journal of the Korean Society of Safety
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    • v.29 no.3
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    • pp.129-135
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    • 2014
  • The number of abnormal operation procedures (AOPs) for mitigating a plant abnormal status amounts to about one hundreds for the most of 1000MWe optimized power plant (OPR1000) and it is expected that the number of AOPs would be increased to cope with an abnormal status occurred newly. However, it is not well organized for operators to select a proper AOP from alarms occurred in main control room (MCR) during a plant abnormal status. It may be a burden to operators since the selection of AOP to respond an abnormal status is authorized by operators. When multiple alarms occur in MCR, it would take more time to respond them than a single alarm. To reduce the efforts, various MCR operation support systems have been developed. The purpose of this study was to develop a multi-alarm pattern card to select an appropriate AOP effectively when multiple alarms occurs in a single upper layout (UL) of MCR. It can be applied for an operation support tool as well as an education tool.

A Study on the Relation Among the Perceived Family Support, Depression and Physical Health Status in Korean Elderly (노인이 지각한 가족지지, 우울 및 신체적 건강상태와의 관계)

  • Kim, Kwuy-Bun;Shin, Dong-Soo
    • Journal of East-West Nursing Research
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    • v.9 no.1
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    • pp.66-73
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    • 2004
  • This study examined the relation among perceived family support, depression and physical health status in Korean elderly. Participants were three hundred elders attending the house for elderly (NoInGyong) located in kwanak-gu and other 14 gu in Seoul Korea. Data were collected using structured questionnaire via clustered random sampling. The instruments used for this study were the simplified depression scale for elderly designed by Sheikh & Yesavage, the family support scale developed by Choi Young Hee, and the physical health status developed by Choi Young Hee & Jung Seng En. Data analysis included: percentage, average, SD, t-test, ANOVA, & Pearson correlation coefficiency. Participants in this study represented low level of family support but high level of physical health status and depression. There was a significant negative relation between family support and depression(r=-.755, P=.001). There was a significant relation between family support and physical health(r=.329, P=.001). There was a significant negative relation between depression and physical health status(r=-.515, P=.001). Nursing implications were suggested.

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A Study of the Impact of Nonconformity Behavior on Others: Focusing on the Red Sneakers Effect

  • Junhyuck SUH
    • The Journal of Industrial Distribution & Business
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    • v.15 no.2
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    • pp.11-18
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    • 2024
  • Purpose: This research examines how people react to nonconforming behavior such as entering a luxury boutique wearing gym clothes rather than an elegant outfit or wearing red sneakers in a professional setting. Nonconforming behaviors, as costly and visible signals, can act as a particular form of conspicuous consumption and lead to a positive inference of status and competence in the eyes of others. Research design, data, and methodology: A series of studies demonstrate that people confer higher status and competence rather than conforming individuals using 2-way ANOVA through employees in luxury stores and students at university. Results: According to the empirical studies, observers who witness the nonconformity behavior have positive inferences of status and competence rather than conformity behavior. These positive inferences derived from signals of nonconformity are moderated by individual differences in prior knowledge and regulatory focus. Conclusions: Through three empirical studies, observers who witnessed role-breaking in prestigious and professional situations found that the individuals who performed the nonconformity behavior had higher status and competence rather than conformity behavior. Even in Korea, a collectivist culture, observers who witnessed nonconformity behavior showed that they gave higher evaluations to the people who behaved informally.

The Payment Term Choice on E-marketplace: Focusing on Status Quo Bias and Anchoring Effect (무역거래알선사이트에서의 결제조건 선택: 현상유지편향과 정박효과를 중심으로)

  • Yoon Lee;Hong-joo Jung
    • Korea Trade Review
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    • v.46 no.1
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    • pp.23-38
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    • 2021
  • This paper investigated the preference change of payment terms in international trade along with counteroffer or first offer conditions of the other parties. Studies on trade payment terms have mainly focused on payment term determination factors such as firm size, product price level, country credit rate, etc. We tried to find other factors affecting payment terms choice, during the negotiation process. We applied behavioral economics theories such as 'Status Quo Bias' and 'Anchoring effect' to build our research model. To prove the existence of the above effects, we proceeded with field experiments to the exporting companies in Alibaba.com. Both 'Status Quo Bias' and 'Anchoring effect' were found in the field experiment. Most of the exporting companies preferred traditional payment methods to new payment methods. And an initial request for a low advance payment ratio led to a lower advance payment ratio. Also, the experience of using new payment methods could diminish status quo bias. This paper applied behavioral economics theories and field experiment methodology to the payment term studies in international trades. These attempts could contribute to expanding the diversity of methodology and scope of international trade studies.

Transformer-Based MUM-T Situation Awareness: Agent Status Prediction (트랜스포머 기반 MUM-T 상황인식 기술: 에이전트 상태 예측)

  • Jaeuk Baek;Sungwoo Jun;Kwang-Yong Kim;Chang-Eun Lee
    • The Journal of Korea Robotics Society
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    • v.18 no.4
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    • pp.436-443
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    • 2023
  • With the advancement of robot intelligence, the concept of man and unmanned teaming (MUM-T) has garnered considerable attention in military research. In this paper, we present a transformer-based architecture for predicting the health status of agents, with the help of multi-head attention mechanism to effectively capture the dynamic interaction between friendly and enemy forces. To this end, we first introduce a framework for generating a dataset of battlefield situations. These situations are simulated on a virtual simulator, allowing for a wide range of scenarios without any restrictions on the number of agents, their missions, or their actions. Then, we define the crucial elements for identifying the battlefield, with a specific emphasis on agents' status. The battlefield data is fed into the transformer architecture, with classification headers on top of the transformer encoding layers to categorize health status of agent. We conduct ablation tests to assess the significance of various factors in determining agents' health status in battlefield scenarios. We conduct 3-Fold corss validation and the experimental results demonstrate that our model achieves a prediction accuracy of over 98%. In addition, the performance of our model are compared with that of other models such as convolutional neural network (CNN) and multi layer perceptron (MLP), and the results establish the superiority of our model.

Sub-satellite Point Observation and Image Registration Accomplishment with GOES-9 IMC-Off Status

  • Lim Hyun-Su;Ahn Sang-il;Choi Hae-Jin
    • Proceedings of the KSRS Conference
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    • 2004.10a
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    • pp.212-215
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    • 2004
  • GOES-9 has been operated with the status of the Image Motion Compensation(IMC) off since last October. As the IMC function turned off, the sub-satellite point(SSP) of GVAR data was changed with the effect of the satellite motions. This makes the image registration, to maintain pixels within an image and between successive images to their earth-referenced information, not to be possible any more. In the paper, we introduce the method to accomplish image registration and the result of the SSP observation with the status of IMC off.

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A Study on Policy Proposal of Marine Environment Education Program through Research on the Actual Condition (해양프로그램 실태조사를 통한 운영 개선방안 및 정책 제안 연구)

  • SHIN, Sang-Hyun;BAE, Jun-Sung
    • Journal of Fisheries and Marine Sciences Education
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    • v.29 no.1
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    • pp.169-179
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    • 2017
  • The purpose of this research is to identify the overall operation status of the marine program, which operates in the Department attempted, in various qualities and operational programs consisting of lecturers derives the problem, and to the policy proposal accordingly. In order to complete the purpose, to analyzed based on the status of marine programs of the Marine Training Center Chungcheong Cluster of three Education Offices from 2014 until the first half of 2016. In addition to direct visit the scene to confirm the status of the data collected through field surveys and interviews were officials confirm the validity of the data, and also to obtain additional study. In conclusion, First, Establish measures for the reduction of blind spots urgent law. Second, Appliances installed for program development and Instructors training.

A Study on R&D program for the aging society (고령사회 대응 연구개발 지원방안 연구)

  • Yoo, Jae-Seong
    • Journal of the Korea Safety Management & Science
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    • v.18 no.3
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    • pp.109-116
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    • 2016
  • The purpose of this study is to explore the research and development(R&D) programs for effectively response of population aging. We analyzed of aging-related R&D support status by National Science and Technology Information Services(NTIS) and reviewed of foreign aging-related R&D programs. It was found that the overall lack of support systems, the R&D support status for Korea's aging society is very low performance and the difference appears in the annual support status, etc. It is very important to enhance the effectiveness of R&D programs in order to effectively prepare for aging society. I suggested support measures of the R&D for aging society by survey research. The result of this study will help in planning of the R&D for aging society and contribute to increasing of welfare for the aged.

A Study on the Status of Shipping Technology in Korea in Response to Smartification: Based on Patent Analysis and Sentiment Analysis (스마트화 대응 우리나라 선박 기술 실태 조사 연구: 특허 분석 및 감성 분석을 토대로)

  • Bo-Ram Kim;Young-Gyun Ahn
    • Korea Trade Review
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    • v.46 no.2
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    • pp.1-18
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    • 2021
  • Amid the growing importance and urgency of smartening in the Korean maritime logistics industry, this study conducted a survey on the status of Korea's maritime trade technology. Korea is on par with developed countries internationally, but in order to lead the digitalization of the future era, additional developments should be explored by reviewing current conditions. In particular, it is necessary to draw policy implications for smart shipping in Korea, which is a three-sided sea. This study derived technical implications by comparing the number of patent applications and the applicant for domestic and foreign patents related to the major technologies of the Fourth Industrial Revolution. In addition, it was intended to investigate and present the status of Korea's maritime trade technology through the analysis of smart shipping-related emotions and the analysis of positive and negative scores of companies related to sentiment analysis.