An Improved Method for the Magnetometer Calibration Based on Ellipsoid Fitting

Hu, F; Wu, Y; Yu, Y; Nie, J; Li, W; Gao, Q

An Improved Method for the Magnetometer Calibration Based on Ellipsoid Fitting

Hu, F Wu, Y Yu, Y

Nie, J Li, W Gao, Q

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Publication Type:: Conference Proceeding
Citation:: Proceedings - 2019 12th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2019, 2019
Issue Date:: 2019-10-01

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Field	Value	Language
dc.contributor.author	Hu, F	en_US
dc.contributor.author	Wu, Y	en_US
dc.contributor.author	Yu, Y https://orcid.org/0000-0001-9592-8191	en_US
dc.contributor.author	Nie, J	en_US
dc.contributor.author	Li, W	en_US
dc.contributor.author	Gao, Q	en_US
dc.date.issued	2019-10-01	en_US
dc.identifier.citation	Proceedings - 2019 12th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2019, 2019	en_US
dc.identifier.isbn	9781728148526	en_US
dc.identifier.uri	http://hdl.handle.net/10453/138930
dc.description.abstract	© 2019 IEEE. The three-axis MEMS magnetometer is widely applied to assist the inertial sensor to estimate the attitude (especially heading) in strapdown inertial navigation system. It is necessary that the system errors of the magnetometer are analyzed and compensated, just like the inertial sensor. The system errors that contain biases, scale factors, nonorthogonal angles and iron effects can be quantified by the calibration. In general, error items can be derived based on the geomagnetic field vector observation. In most magnetometer calibration algorithm, the data from the sensor is processed directly by ellipsoid fitting without any pretreatment. In order to guarantee the reliability of the data, this paper proposes a new method for testing the rationality and gross errors of the calibration data based on geometric parameters of the ellipsoid. The experimental results show that the unreasonable data is detected, so that the calibration accuracy is improved to some extent.	en_US
dc.relation.ispartof	Proceedings - 2019 12th International Congress on Image and Signal Processing, BioMedical Engineering and Informatics, CISP-BMEI 2019	en_US
dc.relation.isbasedon	10.1109/CISP-BMEI48845.2019.8965821	en_US
dc.title	An Improved Method for the Magnetometer Calibration Based on Ellipsoid Fitting	en_US
dc.type	Conference Proceeding
utslib.for	090609 Signal Processing	en_US
utslib.for	0801 Artificial Intelligence and Image Processing	en_US
utslib.for	0913 Mechanical Engineering	en_US
pubs.embargo.period	Not known	en_US
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	closed_access
pubs.publication-status	Published	en_US

Abstract:

© 2019 IEEE. The three-axis MEMS magnetometer is widely applied to assist the inertial sensor to estimate the attitude (especially heading) in strapdown inertial navigation system. It is necessary that the system errors of the magnetometer are analyzed and compensated, just like the inertial sensor. The system errors that contain biases, scale factors, nonorthogonal angles and iron effects can be quantified by the calibration. In general, error items can be derived based on the geomagnetic field vector observation. In most magnetometer calibration algorithm, the data from the sensor is processed directly by ellipsoid fitting without any pretreatment. In order to guarantee the reliability of the data, this paper proposes a new method for testing the rationality and gross errors of the calibration data based on geometric parameters of the ellipsoid. The experimental results show that the unreasonable data is detected, so that the calibration accuracy is improved to some extent.

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http://hdl.handle.net/10453/138930