人车事故再现方法研究
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西华大学汽车与交通学院,西华大学汽车与交通学院,西华大学汽车与交通学院

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U491

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四川省教育厅自然科学重点项目(12203582)、省部级学科平台开放课题(基于MADYMO的人车碰撞事故再现研究)和西华大学研究生创新基金(ycjj2014152)。


Research on Methods for vehicle-pedestrian Accident Reconstruction
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School of Transportation Automotive,Xihua University

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    摘要:

    人车事故再现方法主要包括基于数学解析法的简易模型、基于半解析法的经验模型和基于PC-Crash和Madymo软件的三维多刚体仿真模型三类。根据国家车辆事故深度调查体系中一起人车正碰事故现场痕迹(例如制动痕迹、车辆损坏、行人损伤、抛距等)以及车辆尺寸和人体测量学参数等,分别用这三类方法进行事故再现研究,比较了碰撞车速和抛距等计算结果。基于多刚体仿真模型详细分析了行人最终位置、运动学过程、人车碰撞区域以及行人损伤等。通过图表定性地评估了必要的输入输出参数、需要耗费的时间、适用范围及精度等模型参数。

    Abstract:

    Methods for car-pedestrian accident reconstruction can be classified into three categories: simple methodologies based on mathematical analysis method, empirical model based on semi-analytical approach, three-dimensional Multi-Body(MB) models based on the PC-Crash and Madymo softwares. Datum have been provided by national automobile accident in-depth investigation system (e.g. Braking traces, vehicle damage, pedestrian injury, throwing distance, vehicle shape, pedestrian anthropometry, etc) . Results of Collision speed and throwing distance have been compared in terms of quality of the reconstruction balanced by the limitation of the different methods. The final location of pedestrians, kinematics process, car-pedestrian collision zone and pedestrian injury have been detailed analyzed based on three-dimensional Multi-Body(MB) models. In this way, the potentiality of the methods, their requirements (necessary input data, into operation bringing time, computer time) have been evaluated and reported in a general matrix.

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陈 奇,张道文,王 鑫. 人车事故再现方法研究[J]. 科学技术与工程, 2015, 15(31): .
CHEN Qi,,WANG Xing. Research on Methods for vehicle-pedestrian Accident Reconstruction[J]. Science Technology and Engineering,2015,15(31).

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历史
  • 收稿日期:2015-07-12
  • 最后修改日期:2015-08-05
  • 录用日期:2015-08-18
  • 在线发布日期: 2015-11-20
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