不确定分析技术在汽车碰撞事故再现中的应用

Applications of Uncertainty Analysis Technique in Accident Reconstruction of Vehicle Crash

阐述了不确定分析技术的基本理论。它是一种用于计算从试验测量值到计算结果值之间不确定性(误差)传播的数学方法。分析了用其计算动量方程中速度不确定性的方法。应用此技术来分析汽车碰撞事故再现中速度计算值的不确定性,取得了一定的结果。文中给出了在汽车侧面碰撞事故再现中的一个典型应用实例。

The theory of uncertainty analysis technique is presented,which provided a rigor- ous mathematical method for the analysis of uncertainty propagation from measured values into calculated results.The method to determine the velocity uncertainty in momentum equation is studied by using this technique.The effectiveness of this technique is shown through an exam- ple of its application in accident reconstruction of vehicle crash.