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[SAFETY 부문] 스케일링을 통한 한국인 더미의 구성 및 MADYMO를 이용한 정면충돌해석
정영한(Younghan Jeong),신문균(Moongyun Shin),박경진(Gyungjin Park) 한국자동차공학회 2000 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Safety performance is getting more attention in the automobile design. To simulate a real crash accident, a crash worthiness test or a computer simulation is carried out. The occupant behavior is the most important factor in the simulation. Generally, the well known Hybrid III dummy is utilized for an occupant. The Hybrid III dummy is established very well based on various experiments. However, the Hybrid dummy and other dummies are made from American or European people. In this research, the occupant analysis is carried out for Koreans. Since the human test is not allowed in Korea, the Hybrid dummy is scaled for Korean average size.<br/> For the numerical simulation, MADYMO™(MAthematical DYnamical MOdels) is used.
보행자 보호를 위한 신형다리모형(Flex-PLi)의 유용성 및 반복성 평가
윤용원(Yongwon Yun),김규현(Gyuhyun Kim),박경진(Gyungjin Park) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
The pedestrian-vehicle traffic accident is a globally recognized safety concern. UN/ECE/WP29 established Global Technical Regulation(GTR) for pedestrian safety on 12 November 2008. GTR is expected to significantly reduce the injuries of pedestrians in the case of the frontal impacts. Recently, a new pedestrian lower legform named Flex-PLi has been developed for the body model of the human lower leg. Flex-PLi is introduced and the characteristics of the model are identified by a comparison study with an existing lower legform. Usability, durability and repeatability are evaluated by using real vehicle impact tests. Moreover, the model is examined for the possibility of application to the pedestrian safety GTR phase 2.
황상진(Sangjin Hwang),신정규(Jungkyu Shin),박경진(Gyungjin Park),황인진(Injin Hwang),이권희(Kwonhee Lee) 한국자동차공학회 2002 한국자동차공학회 Symposium Vol.2002 No.11
A lot of electric vehicles have usually adopted the ASF(Aluminum Space Frame) type rather than the monocoque<br/> or unitary construction type since the first is easier to reduce mass efficiently with the required stiffness and strength.<br/> Through the structural analysis, LSV(Low Speed Vehicle) performances such as stiffness and strength are evaluated.<br/> Based on the structural analysis, the optimization formulation of the ASF is set to decrease mass with satisfying<br/> stress and stiffness constraints. While it is assumed that sectional shapes of the members in ASF are fixed, the<br/> optimum thickness of members is determined. Through the optimization, the members that play important roles in<br/> the static stiffness improvement are found. Finally, the performances of the initial design and the optimum design are<br/> compared. The structural analysis and optimization are performed using the commercial software, FEMB/GENESIS<br/> Ver.7.0.