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Wearable, Wireless, Stretchable, High-Density Surface Electromyography Interface
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DOI：10.1002/admt.202500607.png)
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Abstract
En 中文
Surface electromyography (sEMG) provides rich neural information as the human-machine interfaces. However, it is still challenging to achieve wearable sEMG-based human-machine interfaces, owing to the non-conformal electrode arrays and bulky monitoring systems. Herein, a wearable, wireless, and high-density sEMG interface incorporating soft multi-channel electrode arrays and a minimized signal monitoring circuit is presented. The stretchable (approximate to 150%) electrode array fabricated by 3D printing silver paste onto adhesive (0.37 N cm-1) silicone-based substrates demonstrates the capability of eliminating signal artifacts in dynamic hand motions. The electrode array with a customize wireless circuit is further integrated for real-time recording of eight-channel sEMG signals on deforming skin. Using this conformal system, various wrist-hand gesture recognition is achieved through single flexor digitorum superficialis (FDS) muscle detection. The wireless sEMG-based interface also enables high-precision signal monitoring under dynamic exercises of the upper and lower limbs, exploring the diverse applications for human-machine interaction and daily healthcare.
Keywords:
3D printing
human-machine interfaces
motion artifact
stretchable adhesive electrodes
wearable electronics
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