Muscle activations optimization and adaptation for Functional Electrical Therapy purposes - LIRMM - Laboratoire d’Informatique, de Robotique et de Microélectronique de Montpellier Access content directly
Conference Papers Year : 2007

Muscle activations optimization and adaptation for Functional Electrical Therapy purposes

Abstract

One possible method for restoring motion of paralyzed limbs is Functional Electrical Stimulation. FES can be applied in early phase of hemiplegia in order to control the affected leg while walking. FES was shown to be a valuable method for training that likely allows the user to walk later on without assistance. Rehabilitation centres mostly use preprogrammed stimulation patterns empirically obtained and manually triggered. The stimulation pattern and timing need to be set and online adapt to optimize the use of preserved capabilities and lead to symmetrical gait. We present an approach based on three phases. First an optimal control based on individually customized model is used to create the basic reference stimulation pattern for the deficient leg. Secondly, the plant is modeled as a nonlinear oscillator. Finally, the oscillator is triggered from the detection of the gait cycle phase assessed via a sensor placed on the healthy leg.

Domains

Automatic
No file

Dates and versions

lirmm-00202613 , version 1 (07-01-2008)

Identifiers

  • HAL Id : lirmm-00202613 , version 1

Cite

Christine Azevedo Coste, Dejan B. Popovic, Strahinja Dosen, Bernard Espiau, Rodolphe Héliot. Muscle activations optimization and adaptation for Functional Electrical Therapy purposes. CFG: Czech-French-German Conference on Optimization, Sep 2007, Heidelberg, Germany. ⟨lirmm-00202613⟩
151 View
0 Download

Share

Gmail Facebook X LinkedIn More