对电动轮椅动态悬架的评估,以防止非ADA合规表面的倾斜
Jorge L Candiotti1, Sivashankar Sivakanthan2, Josh Kanode2
1Veterans Affairs Pittsburgh Healthcare System and Human Engineering Research Laboratories, Pittsburgh, PA; Department of Bioengineering, School Swanson of Engineering, University of Pittsburgh, Pittsburgh, PA.
Archives of physical medicine and rehabilitation
|June 17, 2023
概括
与标准电动轮椅 (EPW) 相比,具有动态悬挂的机器人 (MEBot) 轮椅在不平坦的地形上提供了更好的稳定性和安全性. 这种先进的轮椅已经准备好进行现实世界的测试.
科学领域:
- 机器人和辅助技术 机器人和辅助技术
- 生物力学和人类因素
- 康复工程 康复工程
背景情况:
- 电动轮椅 (EPW) 经常与不符合美国残疾人法案 (ADA) 的表面作斗争,影响用户的安全性和性能.
- 创新的悬架系统对于提高轮椅在不同环境中的移动性和可用性至关重要.
研究的目的:
- 评估一款带有两种新型动态悬架 (气动执行器和带连续弹的电动液压) 的移动性增强机器人 (MEBot) 轮椅与商业EPW悬架的驾驶性能和可用性.
- 评估轮椅的稳定性,有效性和用户对具有挑战性的,不符合ADA的表面的满意度.
主要方法:
- 在实验室环境中进行了对象内部的横截面研究,模拟了户外EPW驾驶任务.
- 十名经验丰富的EPW用户评估了MEBot带有气动执行器 (PA) 和电动液压连续弹 (EHAS) 悬架,以及商业EPW悬架.
- 定量测量包括稳定性的座椅角度峰值和完成的有效性试验,补充了标准化的可用性工具,如QUEST和SUS.
主要成果:
- 与EPW被动悬架相比,具有动态悬架的MEBot通过减少非ADA合规表面上的座椅角度变化显著提高了稳定性.
- 带有EHAS悬浮的MEBot在完成坑道试验方面表现出卓越的性能,并且显示出更好的调节方便性,耐用性和整体可用性.
- 对于带有PA和EPW悬浮液的坑洞,需要物理援助,而EHAS则为EPW提供了可比的易用性和满意度.
结论:
- MEBot轮椅,特别是具有像EHAS这样的动态悬挂系统,提高了在艰难地形上驾驶的安全性和稳定性.
- 这些发现表明,MEBot已经准备好在现实环境中进行进一步的验证,这可能会提高用户的移动性和独立性.
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