Automated system for the calibration of magnetometers

Vojtech Petrucha, Petr Kaspar, Pavel Ripka, José M.G. Merayo

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    Abstract

    A completely nonmagnetic calibration platform has been developed and constructed at DTU Space (Technical University of Denmark). It is intended for on-site scalar calibration of high-precise fluxgate magnetometers. An enhanced version of the same platform is being built at the Czech Technical University. There are three axes of rotation in this design (compared to two axes in the previous version). The addition of the third axis allows us to calibrate more complex devices. An electronic compass based on a vector fluxgate magnetometer and micro electro mechanical systems (MEMS) accelerometer is one example. The new platform can also be used to evaluate the parameters of the compass in all possible variations in azimuth, pitch, and roll. The system is based on piezoelectric motors, which are placed on a platform made of aluminum, brass, plastic, and glass. Position sensing is accomplished through custom-made optical incremental sensors. The system is controlled by a microcontroller, which executes commands from a computer. The properties of the system as well as calibration and measurement results will be presented. ©2009 American Institute of Physics
    Original languageEnglish
    JournalJournal of Applied Physics
    Volume105
    Issue number7
    Pages (from-to)07E704
    ISSN0021-8979
    DOIs
    Publication statusPublished - 2009
    Event53rd Annual Conference on Magnetism and Magnetic Materials - Austin, TX, United States
    Duration: 10 Nov 200814 Nov 2008
    Conference number: 53

    Conference

    Conference53rd Annual Conference on Magnetism and Magnetic Materials
    Number53
    Country/TerritoryUnited States
    CityAustin, TX
    Period10/11/200814/11/2008

    Bibliographical note

    Copyright (2009) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.

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