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김선웅(Sunwoong Kim),홍오영근(Younggeun Oh),홍강성식(Sungsik Kang) 한국자동차공학회 2013 한국자동차공학회 부문종합 학술대회 Vol.2013 No.5
This is a good example of participatory design which is one of widely used user-centered design method on vehicle seat design, especially for the seat comfort engineering. The volunteered 32 actual (or potential) customers (age: 20-60, similar distributions for height and weight compare to SizeKorea) were participate on consumer clinic for evaluating static seating comfort. The 2 hours of long-term driving evaluation was conducted with the 6 experts (5male, 1 female) in vehicle seat industry. The improvement effect were found from both objective and subjective results (P<0.05) in short-term evaluation. However, people can distinguish the differences through their sense (p<0.05) between two seats even though the two seats have almost same mechanical properties according to measure the load-deflection. There’s no significant decrease from initial stage on discomfort ratio after 2 hours driving with 2 improved seats but 1 current manufactured seat. It can be easily found the effect of improvements on both short- and long-term evaluation. However, there’re still remaining the issues how they are correlate between objective and subjective evaluation data.
강성식(Sungsik Kang),오영근(Younggeun Oh),김선웅(Suneung Kim),이준희(Junhee lee) 한국자동차공학회 2018 한국자동차공학회 학술대회 및 전시회 Vol.2018 No.11
The head restraints are safety devices to protect head-neck injuries from car crash accidents, especially in rear-end collisions. Manufacturers are reporting an increased number of complaints from consumers, who find that head restraints’ design is not comfortable, so the new design standard of head restraint and seat back is investigated in this paper. Our statistical analysis results show the new standard is effective for seat comfort.
경사 레일이탈강도 시험법을 통한 시트벨트앵커 시험 예측
김진성(Jinseong Kim),최석민(Seokmin Choi),손현일(Hyunil Son),손동욱(Donguk Son),임현우(Hyunwoo Lim),오영근(Younggeun Oh) 한국자동차공학회 2016 한국자동차공학회 부문종합 학술대회 Vol.2016 No.5
Seat Belt System is one of the factors that affect a large degree of injury to the passenger during a crash or collision occurrence. According to domestic traffic accident statistics that occurred in 2014, mortality of passengers that not wear a seat belt is approximately 0.39%. On the other hand, the incidence of fatal accidents decreased significantly when a seat belt wearing. Seat Belt Anchorage System that for minimizing the restriction upon the movement of passenger has tested according each nation’s regulation including North America, Europe, and China, etc. In this paper, we analysis the relation between slide-rail Strength and Seat Belt Anchorage Strength. And then we establish a test method to predict a seat belt anchorage system.