NDLI: Determination of the magnetic moment with spherical measurements and spherical harmonics modelling

Content Provider	IEEE Xplore Digital Library
Author	Dumond, O. Berge, R.
Copyright Year	2012
Description	Author affiliation: CNES, 18 avenue Edouard Belin 31401 Toulouse France (Dumond, O.) \|\| INTESPACE, 2 rond point Pierre Guillaumat 31029 Toulouse France (Berge, R.)
Abstract	The magnetic moment of space equipment is a needed input for spacecraft magnetic budgeting. In general, a maximum value is also specified. Most of the time, due to the complexity of the equipment, the accurate determination of this magnetic global dipole moment is not possible by analysis. The magnetic sources that compose an equipment can be numerous and of various natures (actuators, current loops in circuits and wires, components, etc.). An experimental determination of the magnetic moment is then necessary. The basic method of the "6 faces" is not adapted for complex equipment (i.e. composed of several elementary dipoles). Intespace and CNES have experimented in the CNES magnetic test facility a method of determination of the magnetic moment using spherical measurements and spherical harmonics modelling. This method has been validated with simulation results and measurements on an assembly of 3 magnets. This paper will also compare the results obtained with other methods of magnetic moment determination. Another advantage of this method is to allow the measurement close to the equipment and then extrapolate the field at another higher distance.
Starting Page	1
Ending Page	5
File Size	921016
Page Count	5
File Format	PDF
ISBN	9781467303026
e-ISBN	9789290922667
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-21
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	ESA
Subject Keyword	Magnetic field measurement Magnetometers Magnetic devices Magnetic moments Harmonic analysis Magnetic fields Fourier series
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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