Proceedings on Automation in Medical Engineering
Vol. 2 No. 1 (2023): Proc AUTOMED

Modelling and control, ID 763

Do we still need magnetometers for inertial motion tracking?

Main Article Content

Ive Weygers (FAU, Erlangen-Nürnberg, AIBE), Dustin Lehmann (Control Systems Group, TU Berlin, Berlin, Germany), Simon Bachhuber (Department of Artificial Intelligence in Biomedical Engineering, FAU, Erlangen-Nürnberg, Germany), Daniel Laidig (Control Systems Group, TU Berlin, Berlin, Germany), Thomas Seel (Department of Artificial Intelligence in Biomedical Engineering, FAU, Erlangen-Nürnberg, Germany)

Abstract

A growing number of applications rely on inertial sensors for unobtrusive motion tracking, while readily adopting openly available magnetometer-dependent methods for the estimation of inertial sensor orientations. Although magnetic fields are usually heavily disturbed, and accurate magnetometer-free alternatives are emerging, only few of the many highly suitable applications seem to interchange magnetometer-aided methods for constraint-based magnetometer-free options. To accelerate understanding and a wide adoption of magnetometer-free motion tracking, we summarize and combine the most recent advances in a general workflow, together with a clear outlook on future research directions.

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