在单关节和多关节配置中比较部,膝盖和脚的优化外骨架辅助
Patrick W Franks1, Gwendolyn M Bryan1, Russell M Martin1
1Department of Mechanical Engineering, Stanford University, Stanford, California, USA.
Wearable technologies
|March 15, 2024
概括
外显著减少了行走的时间.
科学领域:
- 生物力学 生物力学
- 机器人技术 机器人技术 机器人技术
- 人类增强器的人类增强器
背景情况:
- 外骨架通过降低行走的代谢成本来增强人类的移动性.
- 对于单个或多个关节的最佳辅助策略仍然不清楚.
- 多重联合援助的协同效应尚未完全理解.
研究的目的:
- 为了确定部,膝盖和脚关节的最佳外骨架辅助.
- 为了比较单一,双重和全腿辅助的代谢成本降低.
- 调查联合具体援助对整体机车运动的间接影响.
主要方法:
- 使用了一种关节关节外骨模拟器.
- 采用了循环中的人类优化来确定协助策略.
- 在行走过程中测量了代谢成本,动力学和肌肉活动.
主要成果:
- 只有部 (26%) 和只有脚 (30%) 的辅助产生了显著的代谢节约.
- 仅用膝盖辅助可降低13%的代谢成本.
- 双关节辅助 (关节) 降低了42%,全腿辅助降低了50%的成本.
- 单个联合的援助显示了对其他联合的间接好处.
- 综合援助福利低于个人联合储蓄的总和.
结论:
- 全腿外骨架辅助可以将步行代谢成本减半.
- 针对单个关节提供了大量的代谢益处,并带来了潜在的效率提升.
- 外骨设计应考虑多关节辅助和设备复杂性之间的权衡.
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