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보행자 보호용 FEM Child Headform 모델 개발
윤영한(Younghan Youn),양재의(Jaeeui Yang),이정선(Jeongsun Lee),김진규(Jingyu Kim) 한국자동차공학회 2003 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
In this paper. a child headform for the pedestrian protection which describes in the EEVC Working Group 17 Report was developed for simulations. The developed 2.5kg child headform impactor was excercise to meet the biofidelitily requirements. This child headform impactor was good in the acceptable calibration range of between 300g and 330g. The simulation results was compared with that of bullbar headform impactor test. In addition 3.5kg child/small adult headform which currently hot issued in the pedestrian protection rule-making activities in worldwide. satisfied the requirements of the drop test specified by IHRA.<br/>
보행자 보호기준과 시험법에 대한 어린이 머리 상해치 비교연구
윤영한(Younghan Youn),양재의(Jaeeui Yang),최영태(Youngtae Choi),윤경한(Kyunghan Yoon) 한국자동차공학회 2004 한국자동차공학회 춘 추계 학술대회 논문집 Vol.- No.-
Pedestrian fatalities account for about 44% of all traffic accident fatalities in Korea. In this paper, a series of child headform test and simulation were conducted to evaluate pedestrian protection test protocol describes in the EEVC and IHRA. The developed 2.5㎏ and 3.5㎏ child headform impactors were used to evaluate the effectiveness of these test rigs in the hood component. Results from the simulations, the influence factors such as impact speed, impact angle and headform sizes were evaluate in terms of HIC.
어린이 보호용 좌석의 고정 방식에 따른 탑승자 안전도 향상 방안 연구
윤영한(Younghan Youn),이재완(Jaewan Lee),전준호(Junho Jeon),양재의(Jaeeui Yang),이정선(Jeongsun Lee) 한국자동차공학회 2002 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2002 No.5_2
Since US adopt a requirement for universal, uniform anchor systems for child restraints, an enormous effort of some child seat manufacturers tried to improve the protective properties of Child Restraint System(CRS). The new standard includes FMVSS 225, Child Restraint Anchorage Systems and amendments to FMVSS 213 is effective in 1999. The universal anchor rule will provide devices independent of safety belts to attach child restraints to the vehicle. It will allow child restraints to be anchored more securely than is often possible with current safety belts. Currently, US, Australia and european comnmunity countries including Japan started testing of evaluation of CRS performances during their NCAP test programs and results are published.<br/> Korean government realized the impormance of CRS roles in child safety and investigate benefits of enhancement of CRS regulations. In this study, a series of numerical simulation because of lacks of ISOFIX ready CRS in the domestic market, is conducted to evaluated the different types of ISOFIX methods.<br/>