关于车辆乘客人形适用于脚下冲击负荷条件的研究
Teng-Fei Tian1, Fu-Hao Mo1, Hao-Yang Su1
1State Key Laboratory of Advanced Design and Manufacture for Vehicle Body, Hunan University, Changsha, 410082, China.
概括
混合型III型人形不适合评估脚下撞击伤害,比人类模型显示出明显更高的部力. 在下肢损伤风险评估中,THOR玩偶需要改进以获得更好的生物真实性.
科学领域:
- 生物力学 生物力学
- 伤害生物力学 伤害生物力学
- 人类因素工程 人类因素工程
背景情况:
- 在车辆碰撞等场景中,脚下冲击力对下肢受伤构成重大风险.
- 准确评估这些伤害对于制定有效的安全措施至关重要.
研究的目的:
- 为了比较混合III和THOR模拟模型与人类下肢模型在脚下冲击下的生物力学反应.
- 分析这些人形的强度和适用性,以评估下肢受伤风险.
主要方法:
- 使用混合III和THOR人形模型,以及带有活跃下肢模型的混合人体模型.
- 在不同的速度和最初的下肢姿势下进行了脚下的冲击分析.
主要成果:
- 两个人形模型都表现出比人类模型更高的峰值骨轴力和更高的冲击参数灵敏度.
- 混合动力III模拟器表现出明显更高的力 (312.5%比人类模型更大).
- 与人类模型相比,THOR模型显示了生物力学反应曲线形状的显著差异.
结论:
- 混合III型人形不适合在脚下撞击场景中评估下肢损伤风险.
- 为了提高适用性,建议对THOR玩偶的脚生物真实性和软组织表示进行改进.
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