西南交通大学学报2013，Vol.48Issue(3)：513-519,7.DOI:10.3969/j.issn.0258-2724.2013.03.019
事故车辆三维翻滚运动的轨迹模型
Model for Determination of Vehicle Trajectories in Three-Dimensional Roll-Over Crashes
摘要
Abstract
In order to reconstruct three-dimensional vehicle collision accidents,the critical conditions of vehicle pitching and rolling were derived in the vehicle's three-dimensional coordinate system by analyzing the relationship between collision impulse moment and inverse gravity moment.The movement trajectory model of vehicle rolling with ground reaction force was constructed according to the kinematics theory and the relationship of kinetic energy conversion.For a real accident case,a comparative study between the reconstruction analysis results and the vehicle traces remained in the accident scene was conducted using the accident reconstruction system based on the above model and PC-Crash.The results show that the vehicle stationary position and attitude reconstructed by the model are consistent with the actual state in the accident scene; the reconstructed trajectories are consistent with those remained in the accident scene,except a smaller curvature of the passenger car's left front wheel.关键词
事故再现/三维翻滚运动/轨迹模型/临界状态Key words
accident reconstruction/three-dimensional rolling/trajectory model/critical state分类
交通工程引用本文复制引用
曹弋,裴玉龙,付川云..事故车辆三维翻滚运动的轨迹模型[J].西南交通大学学报,2013,48(3):513-519,7.基金项目
国家自然科学基金青年科学基金资助项目(51108137) （51108137）
