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최태진(Taejin Choi),최석민(Seokmin Choi),김기선(Keysun Kim),강재영(Jaeyoung Kang) 한국자동차공학회 2009 한국자동차공학회 학술대회 및 전시회 Vol.2009 No.11
Be in need of optimal design considering the seat and road condition for the purpose of effective reduction of the seat noise and vibration. In this paper, selecting the road which has the possibility of complaints about seat noise and vibration, the relative effect of the seat in driving is analyzed. In accordance with the different road and speed condition while driving, the transmissibility characteristics of vibration between the vehicle floor and the seat is analyzed
경사 레일이탈강도 시험법을 통한 시트벨트앵커 시험 예측
김진성(Jinseong Kim),최석민(Seokmin Choi),손현일(Hyunil Son),손동욱(Donguk Son),임현우(Hyunwoo Lim),오영근(Younggeun Oh) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
Seat Belt System is one of the factors that affect a large degree of injury to the passenger during a crash or collision occurrence. According to domestic traffic accident statistics that occurred in 2014, mortality of passengers that not wear a seat belt is approximately 0.39%. On the other hand, the incidence of fatal accidents decreased significantly when a seat belt wearing. Seat Belt Anchorage System that for minimizing the restriction upon the movement of passenger has tested according each nation’s regulation including North America, Europe, and China, etc. In this paper, we analysis the relation between slide-rail Strength and Seat Belt Anchorage Strength. And then we establish a test method to predict a seat belt anchorage system.
손실 저감을 위해 분할된 도체를 가지는 인쇄 회로 기판형 무선충전 코일
신유준(Yujun Shin),박재형(Jaehyoung Park),김종훈(Jonghoon Kim),권병기(Byunggi Kwon),은희현(Heehyun Eun),최석민(Seokmin Choi),안승영(Seungyoung Ahn) 한국전자파학회 2019 한국전자파학회논문지 Vol.30 No.9
본 논문에서는 무선전력전송 시스템 코일의 저항성분에 의해 발생하는 전력손실을 저감하기 위하여 분할된 도체를 갖는 PCB형 코일구조를 제안하였다. 제안된 구조는 유한요소법 자기장 시뮬레이션을 이용하여 설계하였으며, 실제 제작된 코일의 측정을 통해 저감된 저항 값을 가진다는 것을 증명하였다. 또한, 무선전력전송 실험 수행을 통해, 같은 전력을 전송시켰을 때 기존의 구조보다 제안된 구조에서 코일에서 소모되는 전력이 감소한다는 것을 확인하였으며, 열 발생 또한 감소하는 것을 확인하였다. 이를 통해 무선전력전송 시스템의 효율이 증가하는 것을 확인하였다. In this paper, a printed circuit board(PCB)-type coil structure with split conductors is proposed to reduce the power loss caused by coil resistance. Simulated magnetic field measurement reveals that the proposed coil has reduced resistance. In addition, wireless power transfer experiments reveal that when the same power is transferred, the power consumption in the coil with the proposed structure is reduced compared with that having a conventional structure. Moreover, heat generation is also reduced in the coil with the proposed structure. Therefore, the new coil is confirmed to increase the efficiency of wireless power transfer system.