Development of a Wearable Electromyographic Sensor with Aerosol Jet Printing Technology

可穿戴计算机 灵活性(工程) 计算机科学 小型化 信号(编程语言) 驾驶舱 接口(物质) 可穿戴技术 人机交互 模拟 工程类 嵌入式系统 电气工程 航空航天工程 程序设计语言 统计 数学 气泡 最大气泡压力法 并行计算
作者
Stefano Perilli,Massimo Di Pietro,Emanuele Mantini,M. G. Regazzetti,Paweł Kiper,Francesco Galliani,Massimo Panella,Dante Mantini
出处
期刊:Bioengineering [Multidisciplinary Digital Publishing Institute]
卷期号:11 (12): 1283-1283
标识
DOI:10.3390/bioengineering11121283
摘要

Electromyographic (EMG) sensors are essential tools for analyzing muscle activity, but traditional designs often face challenges such as motion artifacts, signal variability, and limited wearability. This study introduces a novel EMG sensor fabricated using Aerosol Jet Printing (AJP) technology that addresses these limitations with a focus on precision, flexibility, and stability. The innovative sensor design minimizes air interposition at the skin–electrode interface, thereby reducing variability and improving signal quality. AJP enables the precise deposition of conductive materials onto flexible substrates, achieving a thinner and more conformable sensor that enhances user comfort and wearability. Performance testing compared the novel sensor to commercially available alternatives, highlighting its superior impedance stability across frequencies, even under mechanical stress. Physiological validation on a human participant confirmed the sensor’s ability to accurately capture muscle activity during rest and voluntary contractions, with clear differentiation between low and high activity states. The findings highlight the sensor’s potential for diverse applications, such as clinical diagnostics, rehabilitation, and sports performance monitoring. This work establishes AJP technology as a novel approach for designing wearable EMG sensors, providing a pathway for further advancements in miniaturization, strain-insensitive designs, and real-world deployment. Future research will explore optimization for broader applications and larger populations.
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