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Title: Tri-axial square Helmholtz coil for testing satellite stabilization with magnetorquers
Authors: BOSTAN, Ion 
BOSTAN, Viorel 
MELNIC Vladimir 
ILCO Valentin 
VARZARI Vladimir 
Keywords: Helmholtz coil;magnetic field;satellite;magnetometer;magnetorquer
Issue Date: 2019
Source: BOSTAN, Ion; BOSTAN, Viorel; SECRIERU, Nicolae; MELNIC, Vladimir; ILCO, Valentin; MARTÎNIUC, Alexei; VĂRZARI, Vladimir. Tri-axial square Helmholtz coil for testing satellite stabilization with magnetorquers. In: Electronics, Communications and Computing. Editia a 10-a, 23-26 octombrie 2019, Chişinău. Chișinău, Republica Moldova: Universitatea Tehnică a Moldovei, 2019, pp. 18-19. ISBN 978-9975-108-84-3.
Conference: Electronics, Communications and Computing
The paper describes the design, construction and initial testing of a magnetic field simulator consisting of Helmholtz coils, for testing under laboratory conditions the system for determining and controlling the attitude of microsatellites. In addition to numerical modeling, it is necessary to validate the results in real experiments which leads to a higher level of confidence in orbit performance and lower risks. One of the methods of satellite stabilization is by magnetorquers: coils that create magnetic field. The momentum created by the magnetorquer interacts with the geomagnetic field in orbit and rotates the satellite. For the proper work of the attitude determination system as well as the attitude control system, it is necessary the ability to detect the magnetometer, the ability to act in pairs as well as the interface between these two. For this purpose at the Center for Space Technologies of Technical University of Moldova was created three-axis Helmholtz cage, consisting of 3 pairs of square coils. This simulator allows the magnetic field to be generated from the orbit of the satellite. Initial tests confirmed the purpose of creating the desired magnetic field, by programmed change of the current intensity in the Helmholtz coils. The described system will be used in the Center for Space Technologies for further research of the attitude determination and control systems of satellites designed within this center, including for other research that requires the creation of a uniform and programmable magnetic field.
ISBN: 978-9975-108-84-3
Appears in Collections:Conference Abstracts

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