低档自动驱动轮椅到机动车辆对接系统的可用性和振动分析
Chang Dae Lee1,2, Brandon J Daveler1,2, Jorge L Candiotti1,3
1Human Engineering Research Laboratories, Department of Veterans Affairs Pittsburgh Healthcare System, University of Pittsburgh, Pittsburgh, PA 15206, USA.
概括
QLX自动动力轮椅对接系统 (WDS) 提供了更好的车辆安全性和用户自主性. 与传统的tiedown系统相比,它表现出更好的性能和可用性,提高了轮椅用户的独立性.
科学领域:
- 生物医学工程 生物医学工程
- 康复工程 康复工程
- 人类因素工程 人类因素工程
背景情况:
- 轮椅使用者在车辆运输过程中面临着安全和舒适的挑战.
- 现有的轮椅对接系统 (WDS) 可能无法完全满足用户对易用性和安全性的需求.
- 动力轮椅对接系统 (WDS) 正在开发中,以提高安全性和独立性.
研究的目的:
- 为了评估QLX自动动力轮椅对接系统 (WDS) 对四点倒置系统的全身振动效应.
- 为了评估QLX WDS的可用性和用户体验,与4点解锁系统相比.
- 确定QLX WDS对轮椅使用者的舒适性,安全性和自主性的影响.
主要方法:
- 根据ISO 2631-1标准的全身振动分析,用于在现实世界表面上的车辆中的WDS.
- 系统的可用性评估,包括动力轮椅用户的任务负载,性能,舒适性和安全性等级.
- 在QLX和4点解锁系统之间对振动,冲击,可用性和用户报告的结果进行比较分析.
主要成果:
- 两种WDS都在健康风险边缘内表现出类似的振动结果,并且在边缘以下的冲击值.
- 动力轮椅使用者报告说,这两种系统的任务负载都很低,但QLX的对接性能更好 (p=0.03).
- 与4点的降低相比,QLX系统表现出优越的可用性 (p<0.01),减少了不适 (p<0.05) 和增强了安全性 (p<0.05).
结论:
- 两种评估的WDS都有效地将轮椅使用者在车辆运输期间的冲击暴露降到最低.
- 在QLX自动动力轮椅对接系统 (WDS) 提供增强的性能,可用性和安全性比传统的tiedown系统.
- QLX WDS有潜力显著提高轮椅使用者的自主性和车辆安全方面的独立性.
相关概念视频
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