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다물체 동역학 기반 차량 모델 시뮬레이션을 통한 쏠림 인자 효과분석
정비범(BeeBum Jung),정관면(Kwan-Myun Jung),이종현(JongHyun Yi),허승진(Seung-Jin Heo) 한국자동차공학회 2012 한국자동차공학회 학술대회 및 전시회 Vol.2012 No.11
Steering pull refers to vehicle’s drifting to the lateral direction without a driver’s steering input while on the straight driving. This study proposes a method to analysis effect analysis of the steering pull design parameter through the simulation of multi-body-dynamic vehicle model. Purpose of Effect analysis is to analyze the relationship of steering pull design variables. The design variables are hard point in front, rear suspension and force elements, tire property, road bank angle. Before conducting effect analysis, a vehicle model based on MBD(Multi-Body Dynamics) was made through reverse engineering, and it was verified by field test. As the design of experiment for effect analysis, a Placket-burman method was used. As a result of conducting an effect analysis of the steering pull factors, it was identified that the suspension hard point, bush property, road bank angle, tire and spring have an influence of 43%, 19%, 17%, 12% and 9%, respectively.