Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm

This paper deals with the statistical analysis and pattern classification of electromyographic signals from the biceps of a person with amputation below the humerus. Such signals collected from an amputation simulator are synergistically generated to produce discrete elbow movements. The purpose of...

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Main Authors: M. José H. Erazo Macias, S. Alejandro Vega
Format: Article
Language:English
Published: Wiley 2006-01-01
Series:Applied Bionics and Biomechanics
Online Access:http://dx.doi.org/10.1533/abbi.2005.0039
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author M. José H. Erazo Macias
S. Alejandro Vega
author_facet M. José H. Erazo Macias
S. Alejandro Vega
author_sort M. José H. Erazo Macias
collection DOAJ
description This paper deals with the statistical analysis and pattern classification of electromyographic signals from the biceps of a person with amputation below the humerus. Such signals collected from an amputation simulator are synergistically generated to produce discrete elbow movements. The purpose of this study is to utilise these signals to control an electrically driven prosthetic or orthotic elbow with minimum extra mental effort on the part of the subject. The results show very good separability of classes of movements when a learning pattern classification scheme is used, and a superposition of any composite motion to the three basic primitive motions—humeral rotation in and out, flexion and extension, and pronation and supination. Since no synergy was detected for the wrist movement, different inputs have to be provided for a grip. In addition, the method described is not limited by the location of the electrodes. For amputees with shorter stumps, synergistic signals could be obtained from the shoulder muscles. However, the presentation in this paper is limited to biceps signal classification only.
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spelling doaj-art-ce6c0b899f5a4a08a663546bec3a41612025-02-03T06:00:14ZengWileyApplied Bionics and Biomechanics1176-23221754-21032006-01-013211311910.1533/abbi.2005.0039Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic ArmM. José H. Erazo Macias0S. Alejandro Vega1Department of Electric and Electronic Engineering, Technological Institute of Reynosa, Reynosa Tamaulipas, MexicoTechnological Institute of Superior Studies of Monterrey, Campus Queretaro, Queretaro, MexicoThis paper deals with the statistical analysis and pattern classification of electromyographic signals from the biceps of a person with amputation below the humerus. Such signals collected from an amputation simulator are synergistically generated to produce discrete elbow movements. The purpose of this study is to utilise these signals to control an electrically driven prosthetic or orthotic elbow with minimum extra mental effort on the part of the subject. The results show very good separability of classes of movements when a learning pattern classification scheme is used, and a superposition of any composite motion to the three basic primitive motions—humeral rotation in and out, flexion and extension, and pronation and supination. Since no synergy was detected for the wrist movement, different inputs have to be provided for a grip. In addition, the method described is not limited by the location of the electrodes. For amputees with shorter stumps, synergistic signals could be obtained from the shoulder muscles. However, the presentation in this paper is limited to biceps signal classification only.http://dx.doi.org/10.1533/abbi.2005.0039
spellingShingle M. José H. Erazo Macias
S. Alejandro Vega
Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm
Applied Bionics and Biomechanics
title Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm
title_full Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm
title_fullStr Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm
title_full_unstemmed Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm
title_short Electromyographic Pattern Analysis and Classification for a Robotic Prosthetic Arm
title_sort electromyographic pattern analysis and classification for a robotic prosthetic arm
url http://dx.doi.org/10.1533/abbi.2005.0039
work_keys_str_mv AT mjoseherazomacias electromyographicpatternanalysisandclassificationforaroboticprostheticarm
AT salejandrovega electromyographicpatternanalysisandclassificationforaroboticprostheticarm