EMG 텍스타일 전극으로서의 적절한 압착방식 및 소재 성능 평가Performance Evaluation of the Proper Pressing Method and Materials with Regard to EMG Textile Electrodes
- Other Titles
- Performance Evaluation of the Proper Pressing Method and Materials with Regard to EMG Textile Electrodes
- Authors
- 구본학; 이상호; 차경훈; 김상운; 김주용
- Issue Date
- Oct-2022
- Publisher
- 한국섬유공학회
- Keywords
- textile electrodes; conductive fabric; EMG (electromyography); pressing methods; SNR (signal to noise ratio)
- Citation
- 한국섬유공학회지, v.59, no.5, pp.248 - 256
- Journal Title
- 한국섬유공학회지
- Volume
- 59
- Number
- 5
- Start Page
- 248
- End Page
- 256
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/42935
- DOI
- 10.12772/TSE.2022.59.248
- ISSN
- 1225-1089
- Abstract
- After COVID-19, there is a growing demand for bio-signal wearable devices ineveryday life owing to an increasing interest in health and fitness. Studies on wearable surfaceelectromyography (sEMG) electrodes are being conducted because sEMG can measuremuscle activity signals without incurring pain and bleeding. EMG electrodes are madeof gel (i.e., Ag/AgCl); however, they are not suitable for long-term use in everyday life owingto their strong adhesive force and adverse impact on the skin. Accordingly, dry textile electrodesare required, along with electrode materials and compression methods suitable forobtaining EMG signals. Therefore, this study evaluated the performance of the EMG electrodecompression method and appropriate textile electrode materials. Conductive textileelectrodes were made of silver fabric, silver coating fabric, carbon fabric, and CNT-Dippingneoprene, and an EMG sensor was positioned at the biceps according to the SENIAM toobtain signals and raw data for each material and compression method. Silver fabric exhibiteda significant muscle active/release signal data difference and low dispersion anddemonstrated a high signal-to-noise ratio (SNR), which confirms that it is the most appropriateelectrode material for conducting measurements. Therefore, while comparing theSNR of the silver fabric electrode and general wet electrodes in the band type, it exhibitedsimilar performance and indicated that the wet electrode can be replaced with a textile dryelectrode (band silver fabric electrode: 16.14±1.50; wet electrode: 17.77±1.00).
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