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- 저자 : 유병주(Byong-Ju Yoo) (검색결과 1 건)
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유병주(Byong-Ju Yoo),박지승(Ji-Seung Park),이상기(Sang-Ki Lee),최준현(Jun-Hyun Choi) 한국자동차공학회 2005 한국자동차공학회 춘 추계 학술대회 논문집 Vol.2005 No.11_3
The purpose of this investigation was to develop a better understanding of the effect of restraint system and vehicle pulse. TTF with DOE (Design of Experiments). To this end, several vehicle pulses and restraint systems were used in an occupant simulation with MADYMO, from which the corresponding injury criteria were calculated according to US-NCAP assessments. A solution procedure using numerical optimization is proposed. The pulses of 14 vehicles were benchmarked. And 4 idealized frontal crash pulses were sampled. To get exact results, a number of air bag drop test and a seat belt elongation test were performed and correlated with simulation.<br/> Generally two analysis methods, a real experiment and computer simulation, are utilized to design safety occupant protect system at 56㎞/h full frontal crash. However, the computer simulation is often used due to budget restrictions. It would be optimized to obtain all the data from computer simulation to identify the design tendency. In this research, orthogonal arrays were employed in DOE study. The number of simulation was allocated to 32 rows of an orthogonal array, Based on the proposed methods, Vent Hole. Seat belt Load Limiter. Vehicle Pulse, TTF as factors were optimally designed to meet the occupant protection requirements (US-NCAP). The results show the main effect of each factor and the interactive effects between factors.
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