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타이어 특성인자에 따른 차량 전복 동특성 해석에 관한 연구
권성진(Seong-Jin Kwon),김찬중(Chan-Jung Kim),배철용(Chul-Yong Bae),이봉현(Bong-Hyun Lee),구태윤(Tae-Yun Koo),조춘택(Choon-Tack Cho) 한국자동차공학회 2009 한국자동차공학회 부문종합 학술대회 Vol.2009 No.4
Single vehicle accidents sometimes lead to vehicle rollover. Rollover is defined as a vehicle rotation of 90 degree or more around its longitudinal axis. In this paper, the multi-body vehicle dynamic model has been constructed to investigate vehicle rollover propensity. The vehicle dynamic model consisted of body, suspension, steering, power-train, brake, tire, road, and driver subsystems. The whole vehicle parameters, each vehicle's part parameter, part connecting elements such as spring, damper and bush, and tire characteristic factors were measured by an experiment to accomplish accurate rollover analysis. With the developed vehicle dynamic model, rollover characteristic analysis due to tire characteristic factors, such as cornering stiffness and cornering force peak has been carried out.
Delta 형과 Tadpole 형 삼륜차의 선회안정성 해석
이창주(Chang joo Yi),박아론(Aaron Park),임현준(Hyunjune Yim) (사)한국CDE학회 2015 한국 CAD/CAM 학회 학술발표회 논문집 Vol.2015 No.동계
As CO₂ emission reduction gains increasing interest worldwide as a solution to environmental pollution, the demand for one- or two-passenger vehicles, called personal mobility (PM), is expected to grow in the near future. This study focuses on two types of three-wheeled PM vehicle i.e. delta type (one front wheel and two rear wheels) and tadpole type (two front wheels and one rear wheel). Using the General Packaging tool of NX, 3D modeling software, various models for each type were developed by placing key components around the driver for different driver positions. In order to analyze the cornering stability of each model, Fishhook Test was carried out using CarSim, a vehicle dynamics analysis software. The results show the manner in which the location of the center of gravity influences the rollover behavior of the vehicle.