Stabilization of the Gravitational Orientation Mode of an Artificial Earth Satellite (AES) by the Electromagnetic Control System

Autor: V. V. Sazonov, A. I. Ignatov
Rok vydání: 2020
Předmět:
Zdroj: Cosmic Research. 58:33-41
ISSN: 1608-3075
0010-9525
DOI: 10.1134/s0010952520010037
Popis: The possibility of stabilizing the gravitational orientation mode of a massive artificial Earth satellite (AES) by the torque produced by electromagnets interacting with Earth’s magnetic field is shown. As an example, the control of rotational motion of the satellite like Bion M-1 and Foton M-4 is considered. Control is accomplished by changing the currents in the electromagnets. The control law is considered, which provides damping of the disturbed motion of a satellite and its stabilization in the gravitational orientation mode. To form this law, it is sufficient to have the readings of a triaxial magnetometer and of an angular velocity sensor. The control law efficiency is verified by mathematically modeling satellite motion relative to the center of masses, under an effect of gravitational and aerodynamic torques, as well as the torque produced by electromagnets.
Databáze: OpenAIRE
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