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Complete Triaxis Magnetometer Calibration in the Magnetic Domain
Joint Authors
Lachapelle, Gérard
Renaudin, Valérie
Afzal, Muhammad Haris
Source
Issue
Vol. 2010, Issue 2010 (31 Dec. 2010), pp.1-10, 10 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2010-12-01
Country of Publication
Egypt
No. of Pages
10
Main Subjects
Abstract EN
This paper presents an algorithm for calibrating erroneous tri-axis magnetometers in the magnetic field domain.
Unlike existing algorithms, no simplification is made on the nature of errors to ease the estimation.
A complete error model, including instrumentation errors (scale factors, nonorthogonality, and offsets) and magnetic deviations (soft and hard iron) on the host platform, is elaborated.
An adaptive least squares estimator provides a consistent solution to the ellipsoid fitting problem and the magnetometer's calibration parameters are derived.
The calibration is experimentally assessed with two artificial magnetic perturbations introduced close to the sensor on the host platform and without additional perturbation.
In all configurations, the algorithm successfully converges to a good estimate of the said errors.
Comparing the magnetically derived headings with a GNSS/INS reference, the results show a major improvement in terms of heading accuracy after the calibration.
American Psychological Association (APA)
Renaudin, Valérie& Afzal, Muhammad Haris& Lachapelle, Gérard. 2010. Complete Triaxis Magnetometer Calibration in the Magnetic Domain. Journal of Sensors،Vol. 2010, no. 2010, pp.1-10.
https://search.emarefa.net/detail/BIM-512111
Modern Language Association (MLA)
Renaudin, Valérie…[et al.]. Complete Triaxis Magnetometer Calibration in the Magnetic Domain. Journal of Sensors No. 2010 (2010), pp.1-10.
https://search.emarefa.net/detail/BIM-512111
American Medical Association (AMA)
Renaudin, Valérie& Afzal, Muhammad Haris& Lachapelle, Gérard. Complete Triaxis Magnetometer Calibration in the Magnetic Domain. Journal of Sensors. 2010. Vol. 2010, no. 2010, pp.1-10.
https://search.emarefa.net/detail/BIM-512111
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-512111