Tri-axial square Helmholtz coil for testing satellite stabilization with magnetorquers
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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, Ed. 10, 23-26 octombrie 2019, Chişinău. Chișinău, Republica Moldova: 2019, Editia 10, pp. 18-19. ISBN 978-9975-108-84-3.
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Electronics, Communications and Computing
Editia 10, 2019
Conferința "Electronics, Communications and Computing"
10, Chişinău, Moldova, 23-26 octombrie 2019

Tri-axial square Helmholtz coil for testing satellite stabilization with magnetorquers


Pag. 18-19

Bostan Ion, Bostan Viorel, Secrieru Nicolae, Melnic Vladimir, Ilco Valentin, Martîniuc Alexei, Vărzari Vladimir
 
Universitatea Tehnică a Moldovei
 
Disponibil în IBN: 7 noiembrie 2019


Rezumat

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.

Cuvinte-cheie
Helmholtz coil, magnetic field, satellite, Magnetometer, magnetorquer