轿车自行车事故中骑车人头部损伤的影响因素研究*

doi:10.19562/j.chinasae.qcgc.2018.011.007

汽车工程 ›› 2018, Vol. 40 ›› Issue (11): 1294-1301.doi: 10.19562/j.chinasae.qcgc.2018.011.007

轿车自行车事故中骑车人头部损伤的影响因素研究^*

胡林^1,2, 程启寅^1,2, 黄晶³, 陈强⁴, 张新^1,2

1.长沙理工大学汽车与机械工程学院,长沙 410114;
2.长沙理工大学,工程车辆安全性设计与可靠性技术湖南省重点实验室,长沙 410114;
3.湖南大学,汽车车身先进设计制造国家重点实验室,长沙 410082;
4.中国汽车技术研究中心,天津 300162

收稿日期:2018-05-30 出版日期:2018-11-25 发布日期:2018-11-25
通讯作者: 胡林,副教授,E-mail:hulin888@sohu.com
基金资助:
国家自然科学基金(51475048,51775178)、湖南省自然科学基金(2017JJ2034)和湖南省教育厅重点项目(17A004)资助

A Study on the Influencing Factors of Cyclist's Head Injury in Car-Bicycle Accidents

Hu Lin^1,2, Cheng Qiyin^1,2, Huang Jing³, Chen Qiang⁴, Zhang Xin^1,2

1.School of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114;
2.Changsha University of Science and Technology, Hunan Province Key Laboratory of Safety Design and Reliability Technology for Engineering Vehicle, Changsha 410114;
3.Hunan University, State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Changsha 410082;
4.China Automotive Technology and Research Center, Tianjin 300162

Received:2018-05-30 Online:2018-11-25 Published:2018-11-25

摘要/Abstract

摘要： 为探究轿车自行车事故中骑车人的骑行姿态对其头部损伤的影响规律,首先采用PC-Crash软件建立自行车、骑车人和轿车模型,进行4组不同背角范围的仿真并分析骑车人骑行姿态对头部损伤的影响。接着,从中国交通事故深入研究(CIDAS)数据库中挑选出79例轿车自行车事故,用于分析实际案例中坐姿对头部动力学响应的影响。最后,通过多项式拟合,建立了在4个姿态分组下,头部碰撞速度、绕转距离和损伤程度与车速之间关系的数学模型。结果表明:骑车人头部的损伤程度随轿车碰撞速度的升高而增大,但随骑车人的背角的增大而减小。

关键词: 轿车自行车碰撞, 骑车人, 头部损伤, 骑行姿态, PC-Crash

Abstract: In order to investigate the influence of the riding posture on the head injury of cyclist in car-bicycle crash accident, firstly the models for bicycle, cyclist and car are built by using software PC-Crash and simulations on four groups of different ranges of cyclist's back angle are conducted to analyze the effects of riding posture on the injury of cyclist. Then 79 cases of car-bicycle crash accidents are selected from China in-depth accident study (CIDAS) database to analyze the effect of riding posture on the head dynamics response of cyclist in real cases. Finally by using polynomial fitting, the mathematical models of the relationship between the head impact velocity, wrap around distance and injury severity of cyclist and car speed are established for four posture groups. The results show that the injury severity of cyclist increases with the rise of car crash speed, but lowers with the increase of cyclist's back angle

Key words: car-bicycle crash, cyclist, head injury, riding posture, PC-Crash

胡林, 程启寅, 黄晶, 陈强, 张新. 轿车自行车事故中骑车人头部损伤的影响因素研究^*[J]. 汽车工程, 2018, 40(11): 1294-1301.

Hu Lin, Cheng Qiyin, Huang Jing, Chen Qiang, Zhang Xin. A Study on the Influencing Factors of Cyclist's Head Injury in Car-Bicycle Accidents[J]. , 2018, 40(11): 1294-1301.

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轿车自行车事故中骑车人头部损伤的影响因素研究^*

A Study on the Influencing Factors of Cyclist's Head Injury in Car-Bicycle Accidents

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