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실시간 데이터 전송이 가능한 자동 복귀형 끌림 물체 검지장치 연구
전재근(Jae-Geun Jeon),김동환(Dong-Hwan Kim),서기범(Ki-Bum Suh),김영(Young-Kim) 대한전기학회 2019 전기학회논문지 Vol.68 No.1
Recently, an expansion of safety facilities has been widely applied to effectively manage the safety of train operation due to increase of the high-speed section of the general railway and the introduction of high-speed train. Accordingly, performance improvement, upgrading and high reliability of existing safety devices are required. the dragging detector, one of the safety devices, is an analogue system that consists of closed circuit with an electric current flows and operates when the closed circuit is opened by the impact of the dragging object. Such method has unreasonable problem that should be replaced after being detected. It is need to replace with an automatic return type dragging detector which is easy to maintain. In addition, it is necessary to develop a dragging detector that applicable to general railway and urban railway including high-speed railway, in accordance with the speeding up and densification of trains, although it is currently applied only to high-speed railway. In this paper, we propose an automatic return type dragging detector which has versatility and excellent maintainability with digital sensor and real time monitoring.
고유수용성신경근촉진법 운동과 스위스 볼 운동을 적용 했을 때 정적 균형에 미치는 영향
최원제,전재근,이우영,김기범,주혜미,박소희,변주형,손경현,김봉환,Choi, Won-Jye,Jeon, Jae-Keun,Lee, Woo-Young,Kim, Ki-Bum,Ju, Hye-Mi,Park, So-Hee,Byun, Ju-Hyung,Son, Kyung-Hyun,Kim, Bong-Hwan 대한고유수용성신경근촉진법학회 2010 PNF and Movement Vol.8 No.2
Purpose : The purpose of study was to determine effects of Proprioceptive Neuromuscular Facilitation pattern exercise with Swiss ball exercise and Swiss ball exercise on balance in the 40 students from H university. Method : There were two experimental conditions. There were two difference groups in the experimental conditions, which had to perform different exercise tasks: Swiss ball exercise group (n=20) and Proprioceptive Neuromuscular Facilitation exercise with Swiss ball exercise group(n=20). The experimental group received Proprioceptive Neuromuscular Facilitation exercise for 20minutes and Swiss Ball exercise for 40minutes, 3 times a week for 4weeks. While another experimental group received Swiss Ball exercise for 40minutes, 3 times a week for 4weeks. In order to evaluation effects of the Proprioceptive Neuromuscular Facilitation pattern exercise with Swiss Ball exercise and Swiss Ball exercise in the two different experimental group, subjects was measured by static balance. Statistical analysis was the paired t-test to compare the differences within groups and the SPSS to analyze the differences between groups. Results : The result of this study were as follows: The static balance was higher for the two different experimental group in post-exercise than in pre-exercise(P<0.5). Proprioceptive Neuromuscular Facilitation pattern exercise with Swiss Ball exercise experimental group was significant difference better then another experimental group(P<0.5). Conclusion : The Proprioceptive Neuromuscular Facilitation pattern exercise with Swiss Ball exercise can result in improved static balance better then Swiss Ball exercise.