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Gravity-Driven Air-Liquid Interface Flexible Sensor for Human Motion Detection

delete2025-04-03
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PRE
AI
Z
Zhuang, Zhenqian
丁
丁克 (Ke Ding)
H
Hailing Zhong
L
Lan Shen
Z
Zuowen Zhang *
DOI:10.1002/smll.202412022delete
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摘要

摘要

En 中文
本研究介绍了一种新型的重力驱动气-液界面柔性传感器(GALIFS),用于检测人体运动。GALIFS利用重力引起的液体流动产生角度依赖性电信号,消除了运行过程中对材料形变(如拉伸或压缩)的需求。与传统的惯性传感器(因刚性设计导致不适)或现有的柔性传感器(依赖应力诱导信号和高材料耐久性)不同,GALIFS通过其独特的重力驱动机制克服了这些限制。此外,GALIFS无需完美贴合皮肤即可工作,显著提升了用户舒适度。GALIFS实现了宽角度检测范围(0度-180度)和高稳定性(超过16000次循环),同时能够识别多种人体运动,包括颈部弯曲、脊柱弯曲、下蹲、跳跃、行走和跑步。进一步开发了一套用于卧床患者的实时躺卧姿势监控系统,展示了其医疗潜力。在成功解决液体蒸发问题后,GALIFS可能在多种场景中具有显著应用潜力,包括医疗康复和运动训练。
Keyword:
air-liquid interface
flexible sensor
lying posture monitoring
motion detection
stress-free

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IF:
12.1
论文数:
3.0W
被引数:
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