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Characterization of a new type of dry electrodes for long-term recordings of surface-electromyogram

: Garcia, G.A.; Zaccone, F.; Ruff, R.; Micera, S.; Hoffmann, K.-P.; Dario, P.


Institute of Electrical and Electronics Engineers -IEEE-:
2007 IEEE 10th International Conference on Rehabilitation Robotics, ICORR 2007. Vol. 2 : Noordwijk, Netherlands, 13 - 15 June 2007
Piscataway, NJ: IEEE, 2007
ISBN: 1-424-41319-2
ISBN: 978-1-424-41319-5
ISBN: 1-4244-1320-6
International Conference on Rehabilitation Robotics (ICORR) <10, 2007, Noordwijk>
Fraunhofer IBMT ()

In the present work we introduce a preliminary study on a new type of dry electrodes to asses their possible use for performing long-term recordings of surface electromyographic signals. These signals would be used for the control of artificial prostheses in a non-invasive manner. In addition, a comparison was carried out between the new dry electrodes and a commercial, pre-gelled electrode. The results showed that both kinds of electrodes have similar impedance values and behavior at different frequencies, which are the main parameters to take into account when characterizing electrodes. For daily use in prosthesis control, dry electrodes are preferred over gelled or pre-gelled electrodes because they can be embedded in fabric and hence be worn seamlessly.