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23 March 2011 Semiautomatic calibration and alignment of a low cost, 9 sensor inertial magnetic measurement sensor
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Abstract
As UAVs and sensor networks become ubiquitous, cost and accuracy will be increasingly traded. We have developed techniques for calibration that consider this problem. Our technique performs a nonlinear optimization through all variables associated with zeroth and first order affects on accuracy of the sensors. The optimization is constrained by the known properties of the magnetic and gravitational fields. A miniature autopilot is presented as an example of the pressing need for automation of calibration.
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Akiko Mizutani, Kent Rosser, and Javaan Chahl "Semiautomatic calibration and alignment of a low cost, 9 sensor inertial magnetic measurement sensor", Proc. SPIE 7975, Bioinspiration, Biomimetics, and Bioreplication, 797517 (23 March 2011); https://doi.org/10.1117/12.880704
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