在手动轮椅推进系统上对框架质量增量变化的影响 推进成本
Jacob Misch1, Stephen Sprigle1
1Rehabilitation Engineering and Applied Research (REAR) Laboratory, Georgia Institute of Technology, 801 Atlantic Drive NW, Atlanta, GA 30332.
ASME open journal of engineering
|March 26, 2024
概括
在手动轮椅框架质量上增加高达4公斤的重量,在直线或斯拉洛姆机动中对推进效率的影响最小. 观察到推进成本的轻微增加,但在现实世界轮椅使用中被认为是微不足道的.
科学领域:
- 生物力学 生物力学
- 康复工程 康复工程 康复工程
- 人类运动科学科学 人类运动科学
背景情况:
- 手动轮椅是必不可少的移动设备.
- 了解影响轮椅推进的因素对于用户的效率和舒适性至关重要.
- 轮椅框架质量是影响推进动力学的潜在因素.
研究的目的:
- 评估手动轮椅框架质量逐渐增加对推进特性的影响.
- 评估增加的质量如何影响直线和曲线运动中的推进成本和滚动阻力.
- 为了确定小质量增加 (0-4公斤) 是否显著改变轮椅推进效率.
主要方法:
- 一个机器人推进系统被用来推进一个手动轮椅在光滑的表面.
- 测试涉及直线 (直线) 和曲线 (斯拉洛姆) 轨迹.
- 推进成本和系统滚动阻力在三个负载条件下测量 (0公斤,+2公斤,+4公斤).
主要成果:
- 在斯拉洛姆赛程中,在所有负载条件下,推进成本保持同等.
- 在直线轨道上,增加2公斤的推进成本与没有负载的状态相等.
- 增加4公斤显示,在直线轨迹期间,推进成本的增加很小,可比 (≤4.1%).
结论:
- 手动轮椅框架质量的小增量变化 (0-4公斤) 不会对整体推进特性产生重大影响.
- 虽然检测到推进成本和滚动阻力的轻微增加,但从上下文来看,它们是微不足道的.
- 这些发现表明,轻微的质量增加不太可能阻碍手动轮椅用户的性能.
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