全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

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

, PP. 80-85

Keywords: 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

Full-Text   Cite this paper   Add to My Lib

Abstract:

?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。

References

[1]  李 江,金同明,倪行达,等.交通事故力学[M].北京:机械工业出版社,2000.
[2]  丁同强.道路交通事故再现理论模型及方法研究[D].长春:吉林大学,2005:83-114.
[3]  许洪国,施树明,潘洪达.利用动量原理求汽车碰撞速度的方法[J].中国公路学报,1997,10(1):105-109.
[4]  DARIO V.Energy Loss in Vehicle to Vehicle Oblique Impact[J].International Journal of Impact Engineering,2009,36(3):512-521.
[5]  YORK A R,DAY T D.The DyMesh Method for Three-dimensional Multi-vehicle Collision Simulation[J].SAE Paper 1999-01-0104.
[6]  WEI Lang,CHEN Tao,YANG Cun-yi.Study of the Three-dimensional Vehicle Impact Accident Simulation and Reconstruction System[J].China Journal of Highway and Transport,2003,16(4):83-86.
[7]  HUANG Jing,JIN Xian-long,ZHANG Xiao-yun,et al.A Computer Reconstruction Method for Car-to-car Collision Traffic Accidents[J].Journal of Shanghai Jiaotong University,2005,39(9):1449-1451.
[8]  LI Yi-bing,CHEN Yun-gang,WU Wei-dong,et al.A Study on Simulation and Analysis System of Accident Reconstruction[J].Automotive Engineering,2001,23(4):226-229,265.
[9]  BRACH R M.A Review of Impact Models for Vehicle Collision[J].SAE Paper 870048.
[10]  LI Jiang,JIN Tong-ming,NI Xing-da,et al.Traffic Accident Mechanics[M].Beijing:China Machine Press,2000.
[11]  DING Tong-qiang.Research on the Theory Model and Method of Accident Reconstruction[D].Changchun:Jilin University,2005:83-114.
[12]  XU Hong-guo,SHI Shu-ming,PAN Hong-da.Methods of Evaluating Collision Velocity of Motor Vehicles Using Law of Momentum Conservation[J].China Journal of Highway and Transport,1997,10(1):105-109.
[13]  VANGI D.Collision Stage Reconstruction in Traffic Accidents: Sensitivity Analysis[J].Proceedings of the Institution of Mechanical Engineers-Part D:Journal of Automobile Engineering,2005,219(3):285-294.
[14]  魏 朗,陈 涛,杨存义.车辆碰撞事故空间模拟再现系统开发研究[J].中国公路学报,2003,16(4):83-86.
[15]  黄 靖,金先龙,张晓云,等.车对车碰撞事故计算机模拟再现方法[J].上海交通大学学报,2005,39(9):1449-1451.
[16]  李一兵,陈云刚,吴卫东,等.道路交通事故再现模拟分析系统的研究[J].汽车工程,2001,23(4):226-229,265.
[17]  FITTANTO D A,PUIG-SUARI J.Utilizing a Genetic Algorithm to Optimize Vehicle Simulation Trajectories:Determining Initial Velocity of a Vehicle in Yaw[J].SAE Paper 2000-01-1616.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133