Concurrent surface electromyography and force myography classification during times of prosthetic socket shift and user fatigue:

Journal of Rehabilitation and Assistive Technologies Engineering

JoeSanford¹ 

关键词: H;    biomechanics;    human machine interface;    physical human–robot interaction;    pressure sensitive robot skin;    prosthetic device;   

DOI  :  10.1177/2055668317708731

学科分类：工程和技术（综合）

来源: Sage Journals

【 摘 要 】

ObjectiveSurface electromyography has been a long-standing source of signals for control of powered prosthetic devices. By contrast, force myography is a more recent alternative to surface electromyography that has the potential to enhance reliability and avoid operational challenges of surface electromyography during use. In this paper, we report on experiments conducted to assess improvements in classification of surface electromyography signals through the addition of collocated force myography consisting of piezo-resistive sensors.MethodsForce sensors detect intrasocket pressure changes upon muscle activation due to changes in muscle volume during activities of daily living. A heterogeneous sensor configuration with four surface electromyography–force myography pairs was investigated as a control input for a powered upper limb prosthetic. Training of two different multilevel neural perceptron networks was employed during classification and trained on data gathered during experiments simulating socket ...

【 授权许可】

CC BY