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DFSS 기법을 이용한 후방 추돌 시 경부 상해 감소를 위한 머리지지대 인자의 영향성 연구
오형준,서상진,유혁진,Oh, Hyungjoon,Seo, Sangjin,Yoo, Hyukjin 한국자동차안전학회 2012 자동차안전학회지 Vol.4 No.2
Whiplash is the most frequent injury among occupants in low speed rear-end car collision. The aim of this paper is to analyze thecorrelation between influence parameters of head restraints and whiplash injury criteria.In this paper, DFSS (Design for Six Sigma) method is used for optimum design of head restrains. Four control factors of head restraints have selected by function matrix method. The effects of the control factors have been experimentally evaluated by using a sled pulse from 16km/h relative velocity which is suggested by KNCAP (Korean New Car Assessment Program). In order to reduce the noise factors of dynamic tests, whiplash tests were repeated twice. By using DFSS, the correlation between control factors and injury criteria has been comprehended.
측면 모의충돌 시험을 통한 WorldSID 흉부 및 복부 상해 분석
오형준(Hyungjoon Oh),김승기(Seungki Kim),김성원(Sungwon Kim),천승무(Seungmoo Chun) 한국자동차공학회 2013 한국자동차공학회 학술대회 및 전시회 Vol.2013 No.11
The WorldSID 50<SUP>th</SUP> new dummy has a more humanlike response and improved overall biofidelity over the existing side impact dummy. The WorldSID new dummy will be used for side impact instead of the ES-2(re). Side airbag is one of the most effective devices to protect occupant from side impact crash. In this study, we conducted side impact sled test to compare ES-2re and WorldSID the rib deflection, and WorldSID abdominal deflection to achieve the 2015 ENCAP target using parameter study of various side airbag systems in 32kph pole and 50kph MDB side impact. As a result, in case that same airbag of four type showed the similar tendency both dummys.
후방 추돌 시 머리지지대 위치에 따른 능동형 머리지지대 성능의 시험적 고찰
오형준(Hyungjoon Oh),유혁진(Hyukjin Yoo),김승기(Seungki Kim) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
Whiplash injuries are minor injury among occupants in low rear-end collision. However, rear-end collision has been caused social problem as occupant injury and premiums in connection with whiplash injuries. So, in order to solve this problem, many manufactures have been studying to make effective seat and head restraints to protect neck from whiplash injuries. An active head rest in the event of a rear collision It moves forward to close the gap between head of occupants and the head rest to prevent whiplash. In this paper, we conducted KNCAP dynamic assessment test to compare efficiency of active head restraints by changing backset dimension. As a result, we could find out difference between active head restraints and in-active head restraints on backset dimension.
Q10 더미를 이용한 어린이용 안전장치 동적 성능 평가
김승기,오형준,Kim, Seungki,Oh, Hyungjoon 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.1
Recently, Child safety has become one of the issue with Q10 dummy representing large child. The objective of this paper was to evaluate performance of three child restraints system (backless booster, high-back booster and without booster) by changing D-ring location in the rear seat. Sled tests were carried out with a Q 10 in 64km/h frontal impact. Before the dynamic sled tests, we assessed dummy positioning with difference in CRS types and height adjustment positions. Dynamic sled test results indicated that there is different performance of CRS types and belt routing. These test results will use as base line data for development CRS safety performance for Q 10.
FMVSS 226 Ejection Mitigation Impact Test의 시험품 단순화에 따른 인자들의 상관 관계에 대한 연구
강문철,신현학,오형준,Kang, Mooncheol,Shin, Hyunhack,Oh, Hyungjoon 한국자동차안전학회 2015 자동차안전학회지 Vol.7 No.4
FMVSS226 Ejection Mitigation Impact Test is usually performed by real vehicle. But it is necessary to perform the test using by Reinforced B.I.W. with considering vehicle developing timing and roof rail airbag (RRAB) supplier capacity. We sometimes need tendency (quick data) instead of slow accurate data to fix RRAB design as proper timing. Test with Reinforced B.I.W. is helpful saving time and cost. But it should be confirmed how much different between vehicle conditioned test result and Reinforced B.I.W. conditioned test result. There are some points to be improved even in the test with vehicle. Understanding of deviation of Reinforced B.I.W. conditioned test result from vehicle conditioned test result is needed to get benefits with using Reinforced B.I.W. conditioned in the test.
Q-dummy series를 이용한 어린이용 좌석 안전성능 비교
김승기(Seungki Kim),오형준(Hyungjoon Oh),조재호(Jaeho Cho) 한국자동차공학회 2014 한국자동차공학회 부문종합 학술대회 Vol.2014 No.5
One of the most effective measures to protect in crash accident is to use child restraints system (CRS). The objective of this paper was to evaluate injury of Q dummy series. Sled test conducted with Q1.5, Q3, Q6 and Q10 dummy under CRS(Child Restraints System) by using vehicle pulse of EuroNCAP 64kph ODB. Q1.5 and Q3 were contented with EuroNCAP injury criteria and AIS 3+ 50% injury probability proposed by EEVC. Q6 and Q10 showed high injury risk for head and neck AIS 3+ 50% injury probability proposed by EPOCh in high-back booster. High-back booster seats shows high risk injury more than adult seat belt in Q10.
GTR No 9 Lower Legform Test에 대한 DFSS를 이용한 Bumper 최적화 설계
심일섭(Ilseop Shim),장원호(Wonho Jang),오형준(Hyungjoon Oh) 한국자동차공학회 2015 한국자동차공학회 학술대회 및 전시회 Vol.2015 No.11
The flexible pedestrian legform impactor (Flex-PLI) consisting of three parts, flexible femur, tibia and knee will be applied for pedestrian protection by global technical regulation No.9 (GTR No.9) in 2017. It is a replacement for existing transport research laboratory (TRL) legform impactor.