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In mechanical engineering, a three-dimensional force system is a system of forces acting in three dimensions, with forces applied along the x, y, and z coordinate axes. The three-dimensional force system is an important concept in mechanical engineering, as it allows engineers to understand and analyze the behavior of objects and structures in three dimensions. By understanding the forces acting on a system, engineers can design more efficient and effective mechanical systems that can withstand...
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相关实验视频

Updated: Jan 16, 2026

Author Spotlight: Enhancing Grasping Abilities for Hemiplegic Patients with Flexible Robotic Limbs
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一个电阻软机器人外套,用于在低重力条件下动态身体负荷.

Emanuele Pulvirenti1,2, Richard Suphapol Diteesawat1,2, Gaspare Pavei3

  • 1School of Engineering Mathematics and Technology, University of Bristol, Bristol, BS8 1TW, UK.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|September 30, 2025
PubMed
概括

一个新的电阻性低重力外套 (R-HEXsuit) 在低重力下有效模拟类似地球的物理需求. 这种可穿戴技术增加了代谢成本和肌肉激活,有助于减轻太空任务期间的骨和肌肉损失.

关键词:
太空中的健康人类太空飞行的人类太空飞行在低重力条件下.肌肉激活活动 肌肉激活软外套 软外套 软外套软机器人软机器人 软机器人软机器人

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科学领域:

  • 太空探索 太空探索
  • 人类生理学 人类生理学
  • 生物医学工程 生物医学工程

背景情况:

  • 太空飞行会导致骨去矿化和肌肉缩,原因是重力减弱.
  • 目前的应对措施,如简单的身体负荷,只能提供部分保护.
  • 缓解肌肉骨退化对于宇航员健康和任务成功至关重要.

研究的目的:

  • 引入和评估一种电阻性低重力外套 (R-HEXsuit) 用于在低重力下动态的身体负荷.
  • 评估R-HEXsuit在模拟月球重力中的代谢成本和肌肉激活的影响.
  • 为了确定R-HEX服是否能够复制类似于地球的物理需求,并抵消太空飞行引起的脱水.

主要方法:

  • 开发了一种轻量级,柔软的可穿戴外套 (R-HEXsuit),利用气动人工肌肉.
  • 在地球引力和模拟月球引力下行走时,在健康人身上测试R-HEXsuit.
  • 测量主要腿部肌肉的代谢成本和电肌图活动.

主要成果:

  • 在模拟的月球引力中,R-HEXsuit增加了29.3%的代谢成本,达到与地球类似的水平.
  • 在关键的膝关节关节肌肉中观察到肌肉激活的显著增加,与地球水平相匹配或超过.
  • 外套在移动过程中不会对自然步行模式产生负面影响.

结论:

  • R-HEXsuit是一种有前途的技术,可以在低重力环境中提供动态的车身负载.
  • 它有效地复制了与地球相似的物理需求,有可能在太空任务期间减轻肌肉骨的退化.
  • 这种可穿戴解决方案提供了一种可行的对策,可以在长时间的太空飞行期间保护宇航员的健康.