Comparison between MLP and LVQ neural networks for virtual upper limb prosthesis control

Authors:
Daniel Caetano;Fernando Mattioli;Kenedy Nogueira;Edgard Lamounier;Alexandre Cardoso
Affiliations:
Federal University of Uberlandia, Uberlandia, Brazil;Federal University of Uberlandia, Uberlandia, Brazil;Federal University of Uberlandia, Uberlandia, Brazil;Federal University of Uberlandia, Uberlandia, Brazil;Federal University of Uberlandia, Uberlandia, Brazil
Venue:
IDEAL'12 Proceedings of the 13th international conference on Intelligent Data Engineering and Automated Learning
Year:
2012

Citing 4
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Abstract

During the rehabilitation process, individuals who have experienced a total or partial loss of upper limbs are exposed to many risks. Besides this, a great mental effort is required during the training phase to adapt to a real prosthesis. In many cases, the use of Virtual Reality in Medicine has proven to be an excellent tool for evaluation and support as well as to mitigate risk and to reduce mental effort required. In order to be useful, virtual prosthesis must have a great similarity with the real world. For this reason, artificial neural networks have been explored to be applied in the training phase to provide real time response. The objective of this study is to compare the performance of the LVQ and MLP neural networks in EMG (muscle activity) pattern recognition. To achieve this, different feature extraction techniques for simulation and control of virtual prostheses are investigated.