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- 저자 : 이남형(Nam-Heung Lee) (검색결과 3 건)
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이수환(Soo-Hwan, Lee),김유호(You-Ho Kim),이훈구(Hoon-Koo Lee),이남형(Nam-Heung Lee),김영일(Young-Il Kim) 한국도시철도학회 2018 한국도시철도학회논문집 Vol.6 No.3
In recent years, technological advancement in the railway sector and speeding up of logistics transportation have been achieved. The newly constructed high-speed railway and the newly constructed or improved general railway are being applied at the maximum speed of 200 km / h or more, It is classified as high-speed railway. According to the national railway network construction plan (2011 ~ 2020, the second), domestic railways are promoting the speeding up of many railway pioneers. Therefore, to secure safety facilities for high-speed operation, a tunnel alarm control box (TACS), an optical intrusion detector (OID), a rail status control panel (RSCP), a dragging detector, a safety switch (SS), a meteorological detector , Earthquake Alert System (EAS), Maintenance Crew Cross Railroad Device (MCCRD) and Train Approach Indicator (TAI). In recent years, there has been an ongoing accident involving train operators, For this purpose, many functions must be secured to secure the safety of the operator. In this paper, we review the additional functions of the tunnel alarm system for operator safety in the tunnel section. It is necessary to secure the function to protect the dangerous situation from the accidental entry of the tunnel alarm device by the operator`s mistake. We investigated the monitoring and warning methods for unauthorized persons, In addition, due to the increase in the speed of the railway, an increase in the destructive power caused by collision with animals in the tunnel can lead to derailment of the train. As a safety function to prepare for dangerous situations, The study was conducted. Further, the high speed of the railway can cause derailment of train due to collision with animals in the tunnel. In order to prevent train derailment accident, we monitored the entrance of the animal to the railway tunnel and studied ways to prevent it.
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옥연호(Ok Yeon-Ho),임재일(Lim Jae-Il),박지군(Park Ji-Kun),곽원구(Kwak Won-Ku),이재흥(Lee Jae-Heung),최형철(Choi Hyeong-Cheol),이남형(Lee Nam-Hyung),신병철(Shin Byoung-Chol) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
진단기술은 기기의 열화 현상 및 이상 현상으로 진전되는 특성을 측정하여 향후 발생이 예상되는 이상을 조기에 발견하는 것을 목적으로 한다. 기기를 정밀 진단, 분석하여 잔여 수명을 평가하고 적절한 대체계획을 수립함으로써 신뢰도 향상 및 경제적인 설비 운용이 가능하다. 본 논문에서는 수력 발전기 운전 중 부분방전 진단 시스템을 이용하여 수력 발전기의 운전 중에 발생하는 부분방전 신호를 실시간으로 측정, 분석하고 수력 발전기 권선의 절연 상태를 감시 진단하여 기기의 열화 및 이상 현상등을 조기에 발견하고 발전설비의 신뢰도를 향상시킬 수 있는 방안을 제시하고자 한다.
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이종갑,이남형,손흥규,김형태 大韓小兒齒科學會 1993 大韓小兒齒科學會誌 Vol.20 No.2
Mouth breathing gives direct irritation to gingival tissue and increases gingivitis by increasing debris deposite. Generally, it is reported that gingivitis increases at puberty and it is mainly caused by microbial change and hormonal imbalance. This study included generalized gingivitis accompanying mouth breathing and localized gingival hypertrophy. This 11 years old female patient had no past medical history but she had menarchy a year ago. As a treatment, primarily eliminated the cause of mouth breathing and conducted tooth brushing instruction, scaling, and gingivectomy which resulted good.
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