Effects of training methods on classification on surface electromyographic signals for myoelectric control

Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.

Bibliographic Details
Main Author: Day-Williams, Hugh C
Other Authors: Leia Stirling.
Format: Thesis
Language:eng
Published: Massachusetts Institute of Technology 2019
Subjects:
Online Access:http://hdl.handle.net/1721.1/119965
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author Day-Williams, Hugh C
author2 Leia Stirling.
author_facet Leia Stirling.
Day-Williams, Hugh C
author_sort Day-Williams, Hugh C
collection MIT
description Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018.
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spelling mit-1721.1/1199652019-04-10T14:48:49Z Effects of training methods on classification on surface electromyographic signals for myoelectric control Day-Williams, Hugh C Leia Stirling. Massachusetts Institute of Technology. Department of Mechanical Engineering. Massachusetts Institute of Technology. Department of Mechanical Engineering. Mechanical Engineering. Thesis: S.B., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2018. Cataloged from PDF version of thesis. Includes bibliographical references (page 25). Myoelectric devices, devices which use the electric signals from human muscles as a control scheme, have shown promise in their potential to aid in human movement augmentation and assistance for those that have suffered injury. Previous studies involving myoelectric devices and the classification of surface electromyographic (sEMG) signals, electrical impulses obtained from muscles from sensors on the skin, have sought to use various types of machine learning models for sEMG pattern recognition. This technique shows promise in being able to accurately classify human sEMG signals and map them to certain movements, which can then be used as a method of myoelectric control. In this study we explored how two methods of training a K-Nearest Neighbor (KNN) classifier, used to control a MyoPro arm orthosis, affect two subjects' performance on various experimental tasks and their measured sEMG activation throughout the tasks. It was found that for subject 1, the assisted training method, where another individual helps move the orthosis while training the KNN, resulted in a lower variance in the measured mean sEMG values, and reduced the cross validation accuracy of the controller, but did not reduce subjects' performance of the experimental trials, as compared to the KNN controller trained without assistance. For subject 2, the assisted controller reduced the performance on three out of the four tests performed compared to the unassisted controller. by Hugh C. Day-Williams. S.B. 2019-01-11T16:05:57Z 2019-01-11T16:05:57Z 2018 2018 Thesis http://hdl.handle.net/1721.1/119965 1080352352 eng MIT theses are protected by copyright. They may be viewed, downloaded, or printed from this source but further reproduction or distribution in any format is prohibited without written permission. http://dspace.mit.edu/handle/1721.1/7582 26 pages application/pdf Massachusetts Institute of Technology
spellingShingle Mechanical Engineering.
Day-Williams, Hugh C
Effects of training methods on classification on surface electromyographic signals for myoelectric control
title Effects of training methods on classification on surface electromyographic signals for myoelectric control
title_full Effects of training methods on classification on surface electromyographic signals for myoelectric control
title_fullStr Effects of training methods on classification on surface electromyographic signals for myoelectric control
title_full_unstemmed Effects of training methods on classification on surface electromyographic signals for myoelectric control
title_short Effects of training methods on classification on surface electromyographic signals for myoelectric control
title_sort effects of training methods on classification on surface electromyographic signals for myoelectric control
topic Mechanical Engineering.
url http://hdl.handle.net/1721.1/119965
work_keys_str_mv AT daywilliamshughc effectsoftrainingmethodsonclassificationonsurfaceelectromyographicsignalsformyoelectriccontrol