一个新型的被动背部支外骨架,配有弹电缆差异,用于举起辅助
概括
这项研究介绍了一种新型的被动背部支外骨架 (BSE),可以在举重任务时减少腰部的压力. 创新的设计尽量减少在行走时的不适,与以前的模型不同.
科学领域:
- 生物力学 生物力学
- 可穿戴技术是可穿戴的技术.
- 人体工程学就是人体工程学.
背景情况:
- 与工作相关的腰部伤害是一个重要的问题,通常与肌肉骨系统疾病有关.
- 被动背部支外骨架 (BSEs) 提供了一种轻量级的解决方案,但由于阻力,可以在行走时引起不适.
- 现有的被动BSE缺乏区分举重和走路运动的能力.
研究的目的:
- 开发和评估一种新型的被动BSE,能够区分举重和行走动作.
- 为了减少用户的不适,并提高工作安全的被动BSE的功能.
主要方法:
- 一个独特的弹电缆差分机制被设计为关节的扭矩发生器.
- 该系统的设计旨在在起重时提供辅助扭矩,在走路时提供最小的阻力.
- 进行了参数优化,以考虑人类步态不对称,确保力量平衡.
主要成果:
- 新型被动BSE在模拟的10公斤起重任务中,减少了直立脊柱肌的激活率高达41%.
- 在行走试验中,没有观察到腿部或背部肌肉激活的显著变化.
- 扭矩发生器在背部的位置使腿部的重量降到最低.
结论:
- 开发的被动BSE有效地减少了举重期间的肌肉紧张,同时保持了走路时的舒适性.
- 这项技术有可能在职业环境中显著降低腰部受伤的发生率.
- 该设备适应不同运动的能力为可穿戴辅助技术提供了有前途的进步.
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