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基于真实事故数据的WordSID胸部模块对电子自行车骑手胸部损伤预测的性能研究

Yi Chang¹, Yongcheng Long¹, Xinming Wan¹

¹China Automotive Engineering Research Institute Co., Ltd., Chongqing, China.

Acta of bioengineering and biomechanics

|January 27, 2025

概括

易受伤害的道路使用者 (VRU) 的副作用,特别是涉及电动自行车,是常见的. 虽然WorldSID人形有效地模拟了迷你车-电动自行车碰撞中的胸部损伤,但对于脊柱和四肢撞击的准确性需要进一步改进.

科学领域:

交通安全研究交通安全研究
生物力学生物力学
事故重建事故的重建

背景情况:

弱势道路使用者 (VRU) 的副作用占交通事故的很大一部分.
从中国的FASS数据库中分析了2824起VRU事故案例,发现侧冲击是最常见的碰撞类型.

研究的目的:

为了重建一个典型的小型货车到电动自行车事故场景.
评估WorldSID胸部模块在预测电动自行车骑手胸部伤害方面的有效性.
为了比较WorldSID模拟胸部的动态反应与THUMS人类模型.

主要方法:

使用FASS数据库中的数据重建小型货车-电动自行车碰撞事故.
使用全人类安全模型 (THUMS) 模拟电动自行车骑手.
利用THUMS运动数据作为WorldSID胸部模块的边界条件来模拟撞击.

主要成果:

世界SID胸部模块准确地复制了运动,并预测了模拟碰撞中的胸部损伤条件.
使用 THUMS 模型进行的事故重建与人类胸部损伤条件保持一致.
世界SID玩偶的肋骨偏移与 THUMS 肋骨偏移相关.

结论:

世界SID胸部模块有效地模拟胸部动力学和预测小型货车-电动自行车撞击中的伤害.
目前的WorldSID模型不考虑脊柱曲或对头部,部和下肢的冲击.
为了在VRU事故中进行全面的伤害评估,需要对WorldSID模拟器进行进一步的改进.

关键词:

在WordSID胸部模块.事故重建事故重建电动自行车骑手受伤的情况迷你车到电动自行车碰撞碰撞

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