On the Use of FES to Attenuate Tremor by Modulating Joint Impedance

Antonio Padilha Lanari Bo 1, 2 Christine Azevedo Coste 2, * Philippe Poignet 1 Christian Geny 3 Charles Fattal 4
* Corresponding author
1 DEXTER - Conception et commande de robots pour la manipulation
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
2 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : In this paper, we describe a closed-loop pathological tremor attenuation system using Func- tional Electrical Stimulation (FES). The proposed strategy, which is based on the modulation of joint impedance using FES, was developed after experi- mental evidence was obtained on open-loop trials with tremor patients. The method relies rstly on an online tremor estimation algorithm, which also lters the voluntary motion performed by the patient. Based on this information, the impedance of the trembling joint may be increased accordingly by applying the appropriate stimulation parameters on a pair of antag- onist muscles that act on the joint, thus attenuating the e ects of tremor. An experimental evaluation of the system, which involved 4 healthy subjects and 1 tremor patient, is also presented.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00636909
Contributor : Christine Azevedo Coste <>
Submitted on : Friday, October 28, 2011 - 4:17:42 PM
Last modification on : Wednesday, April 17, 2019 - 8:48:02 PM

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  • HAL Id : lirmm-00636909, version 1

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Antonio Padilha Lanari Bo, Christine Azevedo Coste, Philippe Poignet, Christian Geny, Charles Fattal. On the Use of FES to Attenuate Tremor by Modulating Joint Impedance. CDC-ECC: Conference on Decision and Control - European Control Conference, Dec 2011, Orlando, Florida, United States. pp.6. ⟨lirmm-00636909⟩

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