Working Paper Article Version 2 This version is not peer-reviewed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)
Version 2 : Received: 12 December 2020 / Approved: 14 December 2020 / Online: 14 December 2020 (12:59:20 CET)

A peer-reviewed article of this Preprint also exists.

Biancalana, V.; Cecchi, R.; Chessa, P.; Bevilacqua, G.; Dancheva, Y.; Vigilante, A. Fast, Cheap, and Scalable Magnetic Tracker with an Array of Magnetoresistors. Instruments 2021, 5, 3. Biancalana, V.; Cecchi, R.; Chessa, P.; Bevilacqua, G.; Dancheva, Y.; Vigilante, A. Fast, Cheap, and Scalable Magnetic Tracker with an Array of Magnetoresistors. Instruments 2021, 5, 3.

Journal reference: Instruments 2020, 5, 3
DOI: 10.3390/instruments5010003

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 to map the (inhomogeneous) field generated by a known magnetic source, which is measured and then discerned from the background (homogeneous) geomagnetic field. The data output from this hardware can be successfully and reliably used to retrieve the position and orientation of the magnetic source with respect to the sensor frame, together with the orientation of the frame with respect to the environmental field. Possible applications of the setup are briefly discussed, and a synthetic description of the methods of data elaboration and analysis is provided.

Subject Areas

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

Comments (2)

Comment 1
Received: 14 December 2020
Commenter: Valerio Biancalana
Commenter's Conflict of Interests: Author
Comment: Revised version, after 1st round review and English improvement
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Comment 2
Received: 30 December 2020
Commenter: Valerio Biancalana
Commenter's Conflict of Interests: Author
Comment: Improved version of figures 5 and 6 in the peer reviewed version, which is available at:
https://www.mdpi.com/2410-390X/5/1/3
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