Real-time 3D magnetometer calibration for embedded systems based on ellipsoid fitting

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dc.contributor.authorTedesco, Salvatore
dc.contributor.authorTorres-Sanchez, Javier
dc.contributor.authorO'Flynn, Brendan
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderEuropean Regional Development Funden
dc.contributor.funderEnterprise Irelanden
dc.date.accessioned2019-02-28T10:11:41Z
dc.date.available2019-02-28T10:11:41Z
dc.date.issued2019-01-07
dc.date.updated2019-02-28T09:45:42Z
dc.description.abstractMagnetometers are massively diffused in a variety of instruments for different applications. However, these sensors are affected by non-idealities, especially bias and hard/soft-iron interference. Even though a number of calibration approaches could be adopted to compensate for magnetic interferences, their implementation on resources-constrained platforms is still problematic due to the highly complex, computationally intensive mathematical operations involved. The present work demonstrates the possibility to develop a fast and efficient 3D magnetometer calibration for real-time embedded systems with limited system resources. A number of techniques and approaches are discussed to mitigate the computational burden. Results confirm that this is achievable by preserving the same level of accuracy reached with more computationally intensive approaches. Results are also promising regarding the adoption of the discussed method on low-power real-life systems in several applications.en
dc.description.sponsorshipEuropean Regional Development Fund (Grant Number 13/RC/2077-CONNECT); Enterprise Ireland (Project VR-GLOVE Grant Number CF-2015-0031-P)en
dc.description.statusNot peer revieweden
dc.description.urihttp://ece.ul.ie/icst2018/en
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationTedesco, S., Torres-Sanchez, J. and O'Flynn, B. (2018) 'Real-time 3D magnetometer calibration for embedded systems based on ellipsoid fitting', 12th International Conference on Sensing Technology (ICST 2018), Limerick, Ireland, 4-6 December, pp. 424-429. doi:10.1109/ICSensT.2018.8603667en
dc.identifier.doi10.1109/ICSensT.2018.8603667
dc.identifier.endpage429en
dc.identifier.isbn978-1-5386-5147-6
dc.identifier.isbn978-1-5386-5146-9
dc.identifier.isbn978-1-5386-5148-3
dc.identifier.issn2156-8073
dc.identifier.issn2156-8065
dc.identifier.startpage424en
dc.identifier.urihttps://hdl.handle.net/10468/7553
dc.language.isoenen
dc.publisherInstitute of Electrical and Electronics Engineers (IEEE)en
dc.relation.ispartof12th International Conference on Sensing Technology (ICST 2018)
dc.relation.projectinfo:eu-repo/grantAgreement/SFI/SFI Research Centres/12/RC/2289/IE/INSIGHT - Irelands Big Data and Analytics Research Centre/en
dc.relation.urihttps://ieeexplore.ieee.org/document/8603667
dc.rights© 2018, IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.en
dc.subjectCalibrationen
dc.subjectEmbedded systemsen
dc.subjectMagnetometersen
dc.subjectResources-constrained platformsen
dc.subjectComputationally intensive mathematical operationsen
dc.subjectReal-time embedded systemsen
dc.subjectEllipsoid fittingen
dc.subjectHard-soft-iron interferenceen
dc.subjectReal-time 3D magnetometer calibrationen
dc.subjectMagnetic interference compensationen
dc.subjectEllipsoidsen
dc.subjectFittingen
dc.subjectSymmetric matricesen
dc.subjectSensorsen
dc.subjectEigenvalues and eigenfunctionsen
dc.subjectMatrix decompositionen
dc.subject3D magnetometeren
dc.subjectOn-the-Fly calibrationen
dc.titleReal-time 3D magnetometer calibration for embedded systems based on ellipsoid fittingen
dc.typeConference itemen
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