摘要
本研究考量系統中兩物體質量中心在碰撞線方向上之恢復係數與線動量守恆、垂直於碰撞線方向之側向摩擦係數及碰撞點角動量守恆等原理建構數學模型；並配合ENGINEERING DYNAMICS CORPORATION(EDC)公司所發展的HUMAN VEHICLE ENVIRONMENT (HVE)肇事重建軟體以歸納汽車對撞與追撞之動態行為。首先利用軟體改變車速與碰撞角度模擬分析車輛之碰撞行為，並調整數學模型中之恢復係數與側向摩擦係數，以使理論計算值和軟體模擬結果有一致的趨勢。接著變更軟體內部設定之車體摩擦係數，修正軟體碰撞模擬時所產生之車體剪切行為，最後並比較追撞與對撞之行為差異，以作為日後肇事重建的參考依據。
並列摘要
This research builds the vehicle impact model by considering the efficient of restitution and conservation principle of system momentum in the impact line, friction coefficient perpendicular to the impact line, and conservation principle of angular momentum at crash point. By cooperating with mathematical model and simulation software, HUMAN VEHICLE ENVIRONMENT (HVE), that the company of ENGINEERING DYNAMICS CORPORATION develops, this research concludes the behavior of head-on impact and chasing impact. Firstly, restitution coefficient and friction coefficient of mathematical model is gotten by comparing the impact behavior between model calculated and software simulated at various driving speed and collide angle. Then, one parameter, inter-vehicle friction factor, set up in the software is adjusted to modify the body shear-off during impact simulation. Finally, the behavior difference between head-on impact and chasing impact is obtained to be the reference of vehicle accident reconstruction in the future.
參考文獻
延伸閱讀
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