Optimizing support vector machine with genetic algorithm for capacitive sensing-based locomotion mode recognition

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Abstract

Capacitive sensing has been proven valid for locomotion mode recognition as an alternative of popular electromyography-based methods in the control of powered prostheses. In order to obtain higher recognition accuracy, in this paper, we try to improve the support vector machine (SVM)-based classifier by selecting suitable kernel function and optimizing the parameters with genetic algorithm (GA). According to different phases of the gait, the phase-dependant GA-SVM models are built and the recognition accuracy increase from 94.0 to 99.1%, which is satisfactory for practical applications.

Original languageEnglish
Title of host publicationIntelligent Autonomous Systems - Proceedings of the 13th International Conference IAS, 2014
EditorsHiroaki Yamaguchi, Nathan Michael, Karsten Berns, Emanuele Menegatti
PublisherSpringer Verlag
Pages1035-1047
Number of pages13
ISBN (Print)9783319083377
DOIs
StatePublished - 2016
Externally publishedYes
Event13th International Conference on Intelligent Autonomous Systems, IAS 2014 - Padova, Italy
Duration: 15 Jul 201418 Jul 2014

Publication series

NameAdvances in Intelligent Systems and Computing
Volume302
ISSN (Print)2194-5357

Conference

Conference13th International Conference on Intelligent Autonomous Systems, IAS 2014
Country/TerritoryItaly
CityPadova
Period15/07/1418/07/14

Keywords

  • Capacitive sensing
  • Genetic algorithm
  • Locomotion mode recognition
  • Lower-limb prostheses
  • Support vector machine

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