使用IMU传感器评估跨年龄组和地板材料的可行性
1Department of Architectural Engineering, Dankook University, Yongin-si, Gyeonggi-do, Republic of Korea.
Frontiers in public health
|December 20, 2024
概括
这项研究使用惯性测量单元 (IMU) 传感器来测量不同地板材料上的可行性. 木材表面提供了最稳定的行走,而水泥是最不稳定的,稳定性随着年龄的增长而下降.
科学领域:
- 生物力学 生物力学
- 人与计算机的交互
- 城市规划 城市规划
背景情况:
- 可行性对于城市流动性和公共健康至关重要.
- 评估行人基础设施往往依赖于主观评估.
- 需要客观,定量方法来评估对行走的表面影响.
研究的目的:
- 量化评估普通地板材料对可行性的影响.
- 在各种表面上研究与年龄相关的步行稳定性差异.
- 提出基于传感器的方法来评估行人基础设施.
主要方法:
- 使用惯性测量单元 (IMU) 传感器来捕获步态数据 (加速,陀螺仪).
- 采用动态时间扭曲 (DTW) 算法来分析步态稳定性.
- 评估了四种材料 (木材,青,混凝土块,水泥) 在五个年龄组 (20-60岁以上) 与80名参与者.
主要成果:
- 在地板材料中发现了步行稳定性 (DTW值) 的显著差异.
- 木材表面的平均DTW是最低的 (12.99±3.05),表明稳定性最高.
- 水泥表面的平均DTW是最高的 (39.14 ± 9.74),表明稳定性最低.
- 在所有测试材料中,随着年龄的增加,行走稳定性下降.
结论:
- IMU传感器和DTW算法提供了一个强大的定量方法来评估可行性.
- 地板材料显著影响着步履的稳定性,木材是最佳的,水泥是不理想的.
- 年龄是影响不同表面步行稳定的关键因素,突出了对年龄包容性基础设施设计的需求.
- 这种方法通过客观评估和优化行人环境来支持智能城市的发展.
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