| 基于动量定理的汽车单次三维碰撞运动状态参数计算模型 |
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| 引用本文： | 裴玉龙,曹弋,付川云. 基于动量定理的汽车单次三维碰撞运动状态参数计算模型[J]. 中国公路学报, 2011, 0(3) |
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| 作者姓名： | 裴玉龙 曹弋 付川云 |
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| 作者单位： | 哈尔滨工业大学交通科学与工程学院; |
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| 基金项目： | 国家自然科学基金项目(51078113) |
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| 摘 要： | 为了给汽车单次三维碰撞事故的碰撞车速推算提供算法,并为汽车运动轨迹再现提供初始条件,在借鉴已有的二维碰撞运动状态参数计算模型的基础上,将碰撞冲量推广至三维空间。以动量定理为理论基础,结合PC-Crash事故再现软件的碰撞分析方法,提出了汽车三维运动临界条件,推导了汽车三维运动状态参数计算模型。以实际事故案例为研究对象,将基于上述模型开发的事故再现分析系统的计算结果与PC-Crash软件计算结果进行了对比,并将事故再现分析结果与实际案例中车辆翻滚方式进行了对比。结果表明:所提出的汽车单次三维碰撞运动状态参数计算模型能够有效计算汽车三维碰撞速度参数与角速度参数。
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| 关 键 词： | 交通工程 事故再现 动量定理 汽车单次三维碰撞 纵向倾覆 横向翻滚 |
Calculation Model of Movement State Parameter in Vehicle's Three-dimensional Single Collision Based on Momentum Theorem |
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| PEI Yu-long,CAO Yi,FU Chuan-yun. Calculation Model of Movement State Parameter in Vehicle's Three-dimensional Single Collision Based on Momentum Theorem[J]. China Journal of Highway and Transport, 2011, 0(3) |
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| Authors: | PEI Yu-long CAO Yi FU Chuan-yun |
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| Affiliation: | PEI Yu-long,CAO Yi,FU Chuan-yun(School of Transportation Science and Engineering,Harbin Institute of Technology,Harbin 150090,Heilongjiang,China) |
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| Abstract: | In order to provide the algorithm of vehicle's velocity calculation of vehicle three-dimensional single collision accident and the initial conditions of vehicle's movement trajectory reconstruction,on the basis of existing calculation model of movement state parameter in two-dimensional collision,collision impulse was extended to three-dimensional space.According to momentum theorem and the collision analysis method of accident reconstruction software PC-Crash,the critical condition of vehicle's three-dimen... |
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| Keywords: | traffic engineering accident reconstruction momentum theorem vehicle's three-dimensional single collision vertical pitch horizontal rolling |
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