Working Paper Article Version 1 This version is not peer-reviewed

Fast, Cheap, and Scalable Magnetic Tracker with an Array of Magnetoresistors

Version 1 : Received: 26 October 2020 / Approved: 27 October 2020 / Online: 27 October 2020 (12:49:09 CET)

How to cite: Biancalana, V.; Cecchi, R.; Chessa, P.; Bevilacqua, G.; Dancheva, Y.; Vigilante, A. Fast, Cheap, and Scalable Magnetic Tracker with an Array of Magnetoresistors. Preprints 2020, 2020100555 Biancalana, V.; Cecchi, R.; Chessa, P.; Bevilacqua, G.; Dancheva, Y.; Vigilante, A. Fast, Cheap, and Scalable Magnetic Tracker with an Array of Magnetoresistors. Preprints 2020, 2020100555

Abstract

We present the hardware of a cheap multi-sensor magnetometric setup, where a relatively large set of magnetic field components is measured in several positions by calibrated magnetoresistive detectors. The setup is developed with the scope of mapping the (inhomogeneous) field generated by a known magnetic source, which is measured as superimposed to the (homogeneous) geomagnetic field. The final goal is to use the data produced by this hardware to reconstruct position and orientation of the magnetic source with respect to the sensor frame, simultaneously with the orientation of the frame with respect to the environmental field. Possible applications of the setup are shortly discussed, together with a synthetic description of the data elaboration and analysis.

Subject Areas

Tracking; Magnetic tracker; Magnetoresistor; Magnetic Sensor; Sensor Array; Microcontroller; Eye Motion

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