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EURONCAP 신 상부다리 평가 시험방법의 실험적 고찰
이영진(Youngjin Lee),박진섭(Jinseop Park),김시우(Siwoo Kim),강병도(Byungdo Kang),용부중(Boojoong Yong) 한국자동차공학회 2017 한국 자동차공학회논문집 Vol.25 No.1
In 2014, there were approximately 4,762 fatalities on Korean roads. The fatality rate has decreased by 6.5 %, as compared to that of the previous year. The pedestrian-vehicle fatalities (1,795) have also decreased by 6 % over the previous year. However, the percentage of the pedestrian fatalities has increased from 37.9 % to 38.7 % during the same period. This is why further research is required, even though the KNCAP pedestrian safety assessment and KMVSS for pedestrian protection currently exist. This paper studied the Upper Legform to Bonnet Leading Edge Test at the front of the vehicles, which has not been introduced yet in Korea. The test method and procedure of the new BLE test in the Euro NCAP test protocol have been reviewed, and the physical tests on SUV and sedan with different bonnet leading edge heights have also been conducted and reviewed. In addition, the test results and characteristics have been analyzed via comparison with the former BLE test and each vehicle type.
휴먼모델을 이용한 EURO-NCAP 상부다리모형 평가시험 방법에 대한 분석
박상옥(Sang-ok Park),최욱한(Kyu Hyun Kim),손대근(Dea-Geun Son),박경진(Gyung-Jin Park),신재곤(Jae Kon Shin),김규현(Kyu Hyun Kim) 한국자동차공학회 2018 한국 자동차공학회논문집 Vol.26 No.1
The current statistics on car-to-pedestrian accidents show a very high mortality rate compared to the frequency of occurrence. To improve the pedestrian protection performance of vehicles, governments and insurance companies tend to establish and implement new safety standards for pedestrian protection. The South Korean government added a “pedestrian safety” entry from the year 2007. The pedestrian protection performance of vehicles has gradually improved since then but is still insufficient. Therefore, various studies on pedestrian protection should be carried out. In this study, a car-to-pedestrian accident was simulated with THUMS(Total Human Model for Safety) to conduct the upper-leg form test of the Euro-NCAP(European New Car Assessment Program) protocol. The pedestrian human model and the TRL(Transport Research Laboratory) upper-leg form model were employed, and the results are presented and discussed in this paper.
보행자 더미모델을 이용한 EURO-NCAP 상부다리모형 평가시험 방법에 대한 분석
박상옥,최욱한,손대근,박경진,이은덕,권해붕,Park, Sang-ok,Choi, Wook-han,Son, Dae-Geun,Park, Gyung-Jin,Lee, EunDok,Kwon, Hae Boung 한국자동차안전학회 2017 자동차안전학회지 Vol.9 No.4
The mortality rate of car-pedestrian accidents is quite high compared to the frequency of accident. Recently, governments and insurance companies tend to establish and implement new safety standards for pedestrian protection such as EURO-NCAP and K-NCAP. The performance for the pedestrian protection has been gradually improved, but it is still insufficient. Therefore, various studies for the pedestrian protection are being carried out. The car-pedestrian accident is simulated in order to study to the upper legform test of the EURO-NCAP protocol. A pedestrian dummy model is employed and the results are discussed.
보행자 보호를 위한 크럼플 존 설계 및 상부 다리모형 충격해석
전영은(Young-eun Jeon),문형일(Hyung-il Moon),김용수(Yong Soo Kim),김헌영(Heon Young Kim) 한국자동차공학회 2012 한국 자동차공학회논문집 Vol.20 No.3
Recently, pedestrian protection related research topics have been actively studied by automotive designers and engineers due to the enhanced pedestrian protecting regulations. It is required to design an energy absorbing structure, such as crumple zone that can sufficiently absorb the impact energy to reduce the leg injury when accident happens. The structure is designed by reducing the height of front end module, considering the mounting location, and investigating impact characteristics. In this paper, the concept of the crumple zone was introduced and the role of the crumple zone was investigated by analyzing the performance of upper legform impact to a bonnet leading edge test, and the design process was suggested.
문형일(Hyung-il Moon),김동수(Dong Soo Kim),김헌영(Heon Young Kim),김용수(Yong Soo Kim) 한국자동차공학회 2010 한국자동차공학회 부문종합 학술대회 Vol.2010 No.5
Crumple zone is energy absorbing structure when car come into collision with pedestrian, and it is very important to reduce injury of pedestrian. Currently, pedestrians leg injury is increasingly caused by the car accident. Therefore research is need to reduce pedestrians injury applied to structure which is collision energy absorbing material. In this paper, we suggest modeling method of crumple zone expected to apply front end module using spring element. Also, we determine stiffness of crumple zone through collision analysis using Upper Legform Impactor, and performed estimation of collision characteristic according to shape of crumple zone and energy absorbing material.
보행자 보호를 위한 Upper Leg Impact에 대한 연구
지성호(Sungho Ji),방용식(Yongsik Bang),권남석(Namseuck Kwon),이창건(Changkun Lee),김동석(Dongseok Kim) 한국자동차공학회 2012 한국자동차공학회 부문종합 학술대회 Vol.2012 No.5
Pedestrian Protection test method was first developed by the EEVC Working Group 10 and then further refined by EEVC Working Group 17. The test procedures currently used in Euro NCAP pedestrian evaluations are based on the test method of EEVC Working Group 17. Pedestrian protection test have been conducted by EuroCANP and there’s been any amount of research into pedestrian protection. But Car manufactures have tended to put less work into considering the upper legform to bonnet leading edge test than for the lower legform or head form test. The purpose of this study is to understand about principle of sum force and three moment calculation in upper legform and to suggest the absorbing intrusion of vehicle for Pedestrian protection using the CAE simulation and Test.