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Flexible unimodal strain sensors for human motion detection and differentiation

Engineering and Technology

Flexible unimodal strain sensors for human motion detection and differentiation

L. Jin, Z. Li, et al.

Discover how cutting-edge unimodal sensors utilizing piezoelectric poly L-lactic acid films can differentiate complex human motions. Conducted by a team of researchers including Lu Jin and Zhenhong Li, this study introduces innovative tension, bend, shear, and twist sensors integrated into wearable technology for enhanced motion recognition.

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Playback language: English
Abstract
Current strain sensors struggle to differentiate individual forces/stresses in complex human motions. This paper introduces unimodal tension, bend, shear, and twist strain sensors using piezoelectric poly L-lactic acid films, integrated into an i-US. The i-US successfully differentiates these strain modes in complex motion, demonstrated through a sleeve and glove capturing wrist and finger movements, promising advancements in motion recognition and control systems.
Publisher
npj Flexible Electronics
Published On
Aug 17, 2022
Authors
Lu Jin, Zhenhong Li, Zekun Liu, Bethany Richardson, Yan Zheng, Lulu Xu, Zhongda Chen, Heng Zhai, Hongdoo Kim, Qingwen Song, Pengfei Yue, Sheng Quan Xie, Kap Jin Kim, Yi Li
Tags
strain sensors
human motion
piezoelectric films
motion recognition
wearable technology
strain modes
control systems

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