汽车工程 ›› 2024, Vol. 46 ›› Issue (10): 1920-1927.doi: 10.19562/j.chinasae.qcgc.2024.10.018
收稿日期:
2023-12-21
修回日期:
2024-03-09
出版日期:
2024-10-25
发布日期:
2024-10-21
通讯作者:
韩勇
E-mail:Yonghanxmut@gmail.com
基金资助:
Yong Han1,2(),Yuecong Zhang1,Mingwang Li1,Di Pan1,2,Haiyang Zhang3
Received:
2023-12-21
Revised:
2024-03-09
Online:
2024-10-25
Published:
2024-10-21
Contact:
Yong Han
E-mail:Yonghanxmut@gmail.com
摘要:
有无紧急制动(AEB)的正面碰撞工况中驾驶员姿态对运动学响应及损伤风险具有重要影响。本文采用THUMS(Ver.6.1)人体有限元模型建立了标准、后仰和前倾等3种驾驶姿态,搭建了正面碰撞约束系统模型,进行了6组50 km/h的仿真实验,对比分析驾驶员不同姿态在有和无AEB作用下的运动学响应以及驾驶员头、胸部损伤参数。结果表明:在有和无AEB介入时,后仰姿态的头部损伤风险均最高,其中有和无AEB介入的HIC15分别为817.5和626.9。AEB的介入对驾驶员胸部压缩量影响最大,3种姿态的胸部压缩量分别增大了89%、115%和22%,后仰姿态胸部压缩量损伤最严重。研究结果厘清了驾驶姿态与AEB对驾驶员运动学响应以及头、胸部损伤的影响,为汽车约束系统和AEB的开发与设计提供了参考价值。
韩勇,张悦苁,李明旺,潘迪,张海洋. AEB工况下驾驶员姿态对损伤风险的影响[J]. 汽车工程, 2024, 46(10): 1920-1927.
Yong Han,Yuecong Zhang,Mingwang Li,Di Pan,Haiyang Zhang. Effect of Driver Posture on Injury Risk Under AEB Conditions[J]. Automotive Engineering, 2024, 46(10): 1920-1927.
表6
不同工况下颅脑、肋骨和心肺部损伤分布"
项目 | 工况1 | 工况2 | 工况3 | 工况4 | 工况5 | 工况6 | |
---|---|---|---|---|---|---|---|
颅内 压力 | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
139.00 kPa | 132.50 kPa | 265.23 kPa | 257.45 kPa | 132.77 kPa | 143.23 kPa | ||
肋骨塑 性应变 | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
3.38% | 3.87% | 6.67% | 1.6% | 4.47% | 4.00% | ||
心肺器 官压力 | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() | ![]() |
心脏:485.08 kPa | 心脏:461.76 kPa | 心脏:1.09 MPa | 心脏:416.85 kPa | 心脏:487.12 kPa | 心脏:552.16 kPa | ||
肺部:383.50 kPa | 肺部:302.10 kPa | 肺部:398.11 kPa | 肺部:348.17 kPa | 肺部:332.43 kPa | 肺部:278.43 kPa |
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