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신차안전도 평가방법 변경에 따른 승객 체형 별 영향성 평가
남정인(Joungin Nam),박규일(Kyuil Park),백승기(Seungki Baek) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
In 2013 Korean New Car Assessment Program(KNCAP), An assessment of the 5<SUP>th</SUP> %ile female Hybrid Ⅲ dummy in the front passenger position was initiated for protecting transportation vulnerable. In 2017, not only the front passenger seat, roadmap to assess female occupant in the drivers seat is presented. To satisfy the assessment of the 5<SUP>th</SUP> %ile female dummy, manufacturer is developing and optimizing restraints system. In this paper, series of sled test were conducted to 50<SUP>th</SUP> %ile and 95<SUP>th</SUP> %ile Hybrid Ⅲ dummy in order that restraints system optimized for female passenger can satisfy injury value to the various occupants.
WorldSID 더미 팔 거동에 따른 가슴 상해치의 영향성 고찰
남정인(Joungin Nam),김승진(Seungjin.A.kim),최범열(Beomyeol.choi),박진용(Jinyong.park) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
Recently, there are lots of studies about new dummy to obtain down-to-earth and existing information in the vehicle crash test. Euro NCAP applies new dummy - WorldSID from 2015 year at lateral MDB and Pole crash test instead of ES-2re dummy. This WorldSID is applied IR-TRACC sensor for measuring rib injury and the sensor assess the chest compression by y-direction displacement and axial angle value. An arm movement of WorldSID has an impact on upper rib and shoulder force injury due to increasing overlap between arm and upper rib area. This paper describes an influence of arm movement by the time of side airbag deployment in upper rib and shoulder force injury of ENCAP Pole crash test. Additionally, Side airbag shape and seat position are changed to find better injury and show the improvement value to influence of WorldSID injury by dummy arm movement. In the future, need more study by DFSS tool and actual test to judge exactly influence of arm movement in WorldSID injury.
호주 신차안전도평가의 하부다리 상해치 개선을 위한 경차의 Footrest 형상 최적화
김요셉,이만수,남정인,한재녕,Kim, Joseph,Lee, Mansu,Nam, Joungin,Han, Jaenyung 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.1
In order to protect occupant during car crash accident, Regulation and NCAP(New Car assessment Program) have been developed among various countries like U.S.A., Europe, Korea and Australia. Especially NCAP scores affect to sales of vehicles. So vehicle makers are trying to get good score in NCAP. Low leg injuries play an important role in Australia and Euro NCAP and these injuries are related with footrest design. Optimization of footrest design in early stage of vehicle development is necessary to obtain better and robust results of low legs during crash tests. In this paper, DFSS method and finite element model were used to optimize the low leg performance in small RHD vehicles. Compared with the lower leg injury of base model, the lower leg injury of proposed model was slightly improved and robustness was enhanced also.