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A Magnetometer-Based Approach for Studying Human Movements

Stéphane Bonnet 1 Rodolphe Héliot 1, 2, 3, 4, *
* Corresponding author
2 BIPOP - Modelling, Simulation, Control and Optimization of Non-Smooth Dynamical Systems
Inria Grenoble - Rhône-Alpes, LJK [2007-2015] - Laboratoire Jean Kuntzmann [2007-2015], Grenoble INP [2007-2019] - Institut polytechnique de Grenoble - Grenoble Institute of Technology [2007-2019]
3 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : This paper investigates the use of body-mounted magnetic field sensors for the analysis of certain human movements. We demonstrate that, in several usual dynamic situations, magnetometers allow to estimate accurately a body inclination while being insensitive to its acceleration. Doing this, it is then possible to combine this information together with the one provided by an accelerometer to separate in a very accurate way the gravitational and kinematical components of acceleration. The proposed method is illustrated by the study of the sit-to-stand movement, estimating trunk inclination and absolute acceleration.
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https://hal-lirmm.ccsd.cnrs.fr/lirmm-00371793
Contributor : Christine Azevedo Coste <>
Submitted on : Monday, March 30, 2009 - 2:48:47 PM
Last modification on : Friday, July 17, 2020 - 11:38:57 AM

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Stéphane Bonnet, Rodolphe Héliot. A Magnetometer-Based Approach for Studying Human Movements. IEEE Transactions on Biomedical Engineering, Institute of Electrical and Electronics Engineers, 2007, 54 (7), pp.1353-1355. ⟨10.1109/TBME.2007.890742⟩. ⟨lirmm-00371793⟩

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