發(fā)布時(shí)間：2018-02-11 07:38

  本文關(guān)鍵詞： 連續(xù)運(yùn)動(dòng)預(yù)測(cè) 肌電信號(hào) 支持向量機(jī) 運(yùn)動(dòng)模式 下肢運(yùn)動(dòng)　出處：《華中科技大學(xué)學(xué)報(bào)(自然科學(xué)版)》2017年10期 　論文類(lèi)型：期刊論文

【摘要】：為研究不同運(yùn)動(dòng)模式下基于肌電信號(hào)的下肢多關(guān)節(jié)連續(xù)運(yùn)動(dòng)預(yù)測(cè),通過(guò)支持向量機(jī)對(duì)肌電-運(yùn)動(dòng)的映射關(guān)系進(jìn)行訓(xùn)練,實(shí)現(xiàn)對(duì)下肢髖、膝和踝3個(gè)關(guān)節(jié)矢狀面內(nèi)的連續(xù)運(yùn)動(dòng)預(yù)測(cè).由10位健康受試者的運(yùn)動(dòng)預(yù)測(cè)和統(tǒng)計(jì)分析可知:在適速行走過(guò)程中,髖、膝和踝關(guān)節(jié)的關(guān)節(jié)角度預(yù)測(cè)均方根誤差分別9.36°,10.82°和6.87°;在不同運(yùn)動(dòng)模式下,關(guān)節(jié)的運(yùn)動(dòng)預(yù)測(cè)值與測(cè)量值之間均表現(xiàn)出一定的相關(guān)性,其中,膝和髖關(guān)節(jié)的預(yù)測(cè)值與測(cè)量值之間相關(guān)系數(shù)均大于0.72,表現(xiàn)出比較明顯的相關(guān)性.實(shí)驗(yàn)結(jié)果表明:基于肌電信號(hào)進(jìn)行下肢多關(guān)節(jié)連續(xù)運(yùn)動(dòng)預(yù)測(cè),尤其是在適速行走時(shí)對(duì)膝和髖關(guān)節(jié)的運(yùn)動(dòng)預(yù)測(cè)是可行的.
[Abstract]:In order to study the continuous motion prediction of multiple joints in lower extremities based on EMG signals in different motion modes, the mapping relationship between electromyography and motion was trained by support vector machine (SVM), and the hip joint of lower extremity was realized. Continuous motion prediction in sagittal plane of knee and ankle. The root mean square error of knee and ankle joint angle prediction was 9.36 擄10.82 擄and 6.87 擄, respectively. The correlation coefficient between the predicted value and the measured value of knee and hip joint is more than 0.72, which shows obvious correlation. The experimental results show that the multiple joint continuous motion prediction of lower extremities is based on EMG signal. Especially, it is feasible to predict the motion of knee and hip joint when walking at proper speed.
【作者單位】： 華中科技大學(xué)機(jī)械科學(xué)與工程學(xué)院;
【基金】：中央高�；究蒲袠I(yè)務(wù)費(fèi)專(zhuān)項(xiàng)資金資助項(xiàng)目(2016YXMS274) 國(guó)家自然科學(xué)基金資助項(xiàng)目(91648203) 科技部重點(diǎn)研發(fā)計(jì)劃資助項(xiàng)目(2016YFE0113600)
【分類(lèi)號(hào)】：R318.04
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本文編號(hào)：1502528