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Open AccessArticle

Accelerometer and Magnetometer Joint Calibration and Axes Alignment

Department of Electrical and Computer Engineering, National Technical University of Athens, 15780 Athens, Greece
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Technologies 2020, 8(1), 11; https://doi.org/10.3390/technologies8010011
Received: 29 November 2019 / Revised: 15 January 2020 / Accepted: 21 January 2020 / Published: 23 January 2020
(This article belongs to the Special Issue MOCAST 2019: Modern Circuits and Systems Technologies on Electronics)
In this work, we propose an algorithm for joint calibration and axes alignment of a 3-axis accelerometer and a 3-axis magnetometer. The proposed algorithm applies when the two sensors are fixed on the same rigid platform. It achieves accurate calibration without requiring any external piece of equipment like a turntable for the accelerometer or Gauss magnetic chamber and Maxwell coils setup for the magnetometer. The efficiency and accuracy of the proposed algorithm are evaluated using experimental data. View Full-Text
Keywords: accelerometer; magnetometer; calibration; axes alignment; offset; scale-factor; cross-coupling; soft-iron; hard-iron accelerometer; magnetometer; calibration; axes alignment; offset; scale-factor; cross-coupling; soft-iron; hard-iron
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Papafotis, K.; Sotiriadis, P.P. Accelerometer and Magnetometer Joint Calibration and Axes Alignment. Technologies 2020, 8, 11.

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