基于Savitzky-Golay过器的vEMG-FES系统的设计
概括
本研究引入了一种用于同时进行功能电刺激 (FES) 和自愿EMG (vEMG) 获取的新系统. 它在FES期间获得了高质量的vEMG数据,推进了神经系统疾病的闭环康复.
科学领域:
- 生物医学工程 生物医学工程
- 神经康复疗法 神经康复疗法
背景情况:
- 在电刺激康复中,自愿的努力是提高神经障碍神经可塑性的关键.
- 由于刺激器件,同时获得功能电刺激 (FES) 和意志电肌图 (vEMG) 是具有挑战性的.
研究的目的:
- 开发一个使用共享电极同时采集FES和vEMG的多通道系统.
- 为了有效地抑制刺激器件,并提取高质量的实时vEMG信号.
主要方法:
- 使用电极短路的硬件空白来最大限度地减少刺激工件.
- 调整了Savitzky-Golay波器,从FES污染的信号中实时提取vEMG.
- 采用基因算法和半合成信号来优化波器参数.
主要成果:
- 拟议的系统证明了稳健和高质量的vEMG采集.
- 实现了有效的工件抑制和残余电荷消散.
- 该系统在不同的参数和个体中可靠地运行.
结论:
- 这项工作使先进的闭环康复应用成为可能.
- 方便在FES期间进一步调查神经肌肉特征.
- 在FES辅助康复中提高vEMG数据的质量.
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