通过融合sEMG和MMG信号进行手动提升的肌肉疲劳分类研究
Zheng Wang1, Xiaorong Guan1,2, Dingzhe Li1
1School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China.
Sensors (Basel, Switzerland)
|August 28, 2025
概括
这项研究引入了一种新的方法,通过融合表面电肌图 (sEMG) 和机械肌图 (MMG) 信号来分析举重过程中的肌肉疲劳. 从变压器 (BP + BERT) 算法获得的反向传播神经网络和双向编码器表示在分类肌肉疲劳方面达到98.10%的准确性.
科学领域:
- 生物医学工程
- 职业健康问题
- 机器学习应用
背景情况:
- 手动举重可能会导致肌肉疲劳和潜在的不可逆转损伤.
- 准确分析肌肉疲劳对于预防职业伤害至关重要.
- 现有的方法可能无法完全捕捉动态任务中的肌肉疲劳的复杂性.
研究的目的:
- 提出和评估一种用于分析手动举重过程中的肌肉疲劳的新信号融合方法.
- 调查反向传播神经网络的首次应用和来自变压器 (BP + BERT) 算法的双向编码器表示,用于在肌肉疲劳分析中融合传感器数据.
- 用组合的sEMG和MMG信号对不同机器学习算法的性能进行比较.
主要方法:
- 对16名参与者进行手动提升疲劳测试,收集表面电肌图 (sEMG) 和机械肌图 (MMG) 的信号.
- 从sEMG和MMG信号中提取平均功率频率 (MPF) 固有值以标记肌肉疲劳.
- 将sEMG和MMG数据合并到三个数据集中,并使用SVM+RBF,SVM+BERT,BP和BP+BERT算法对肌肉疲劳进行分类.
主要成果:
- 在分析肌肉疲劳方面,sEMG和MMG信号的融合显示出有效性.
- 从变压器 (BP + BERT) 算法获得的反向传播神经网络和双向编码器表示在肌肉疲劳分类中达到最高的平均精度为98.10%.
- 在使用合并的sEMG和MMG数据集时,BP + BERT算法显示了增强的性能.
结论:
- 在手动提升过程中,sEMG和MMG的信号融合是一种可行的有效策略.
- BP+BERT算法为肌肉疲劳分类提供了强大而准确的方法,其性能优于其他测试方法.
- 这项研究强调了先进的机器学习技术与多传感器数据融合相结合的潜力, 以提高职业安全和了解肌肉疲劳.
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