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大客车前碰撞中驾驶员膝部气囊优化设计研究

王含玉 杨济匡 蒋小晴 张维刚

王含玉, 杨济匡, 蒋小晴, 张维刚. 大客车前碰撞中驾驶员膝部气囊优化设计研究[J]. 机械科学与技术, 2015, 34(11): 1738-1743. doi: 10.13433/j.cnki.1003-8728.2015.1118
引用本文: 王含玉, 杨济匡, 蒋小晴, 张维刚. 大客车前碰撞中驾驶员膝部气囊优化设计研究[J]. 机械科学与技术, 2015, 34(11): 1738-1743. doi: 10.13433/j.cnki.1003-8728.2015.1118
Wang Hanyu, Yang Jikuang, Jiang Xiaoqing, Zhang Weigang. Optimization Study of Driver Knee Airbag Design for Front Impact of Coach[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(11): 1738-1743. doi: 10.13433/j.cnki.1003-8728.2015.1118
Citation: Wang Hanyu, Yang Jikuang, Jiang Xiaoqing, Zhang Weigang. Optimization Study of Driver Knee Airbag Design for Front Impact of Coach[J]. Mechanical Science and Technology for Aerospace Engineering, 2015, 34(11): 1738-1743. doi: 10.13433/j.cnki.1003-8728.2015.1118

大客车前碰撞中驾驶员膝部气囊优化设计研究

doi: 10.13433/j.cnki.1003-8728.2015.1118
基金项目: 

国家自然科学基金项目(51275164)与湖南大学汽车车身先进设计制造国家重点实验室自主研究课题(61075004)资助

详细信息
    作者简介:

    王含玉(1988-),硕士研究生,研究方向为汽车车身结构和约束系统,whywtt211@163.com

    通讯作者:

    杨济匡,教授,博士生导师,jikuang.yang@chalmers.se

Optimization Study of Driver Knee Airbag Design for Front Impact of Coach

  • 摘要: 在大客车前碰撞中,由于前围产生较大侵入变形,极易造成驾驶员下肢损伤。为减少驾驶员下肢损伤风险,设计了一种驾驶员膝部安全气囊,并采用计算机仿真方法对气囊进行了优化分析研究。首先,利用Hypermesh建立12 m大客车的有限元模型,并对其进行正面碰撞模拟,验证了客车模型的可行性,且得到驾驶员座椅下方加速度曲线。然后,用MADYMO动力学软件建立了该大客车驾驶员约束系统的前碰撞模型,模型包含客车驾驶舱、驾驶员座椅、三点式安全带、转向系统、和膝部安全气囊。进而将有限元客车整车正面碰撞模拟获得的加速度曲线作为MADYMO碰撞模型的输入载荷条件,分析了安全带和膝部气囊的八个设计参数对驾驶员下肢损伤的影响。最后得到膝部气囊点火时刻、膝部气囊拉带长度、膝部气囊排气孔面积系数三个主效应影响因子,并基于多目标遗传算法对其进行优化分析,优化结果使驾驶员下肢损伤风险得到了很大程度的降低。
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出版历程
  • 收稿日期:  2014-03-04
  • 刊出日期:  2015-11-05

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