Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2023, Vol. 20, No. 6, pp. 157-164
Experience in applying the algorithm for unloading the flywheel engine using magnetic actuators to ensure the stabilization of the Aist-2D remote sensing satellite
A.N. Bormotov
1 , D.I. Orlov
2 , E.S. Khnyryova
2 , M.E. Bratkova
2 1 Penza State Technological University, Penza, Russia
2 Samara National Research University, Samara, Russia
Accepted: 06.09.2023
DOI: 10.21046/2070-7401-2023-20-6-157-164
The paper proposes an algorithm for unloading the executive bodies of the motion control system of a small spacecraft for remote sensing of the Earth. Numerical simulation has been carried out which confirms the effectiveness of the algorithm. When implementing the algorithm, data from the angular velocity measurements of the Aist-2D small remote sensing spacecraft rotation using gyroscopic angular velocity vector meters were used. Measurements of the Earth’s magnetic field induction vector, performed using MAGKOM equipment, were also used. As a result of implementing the proposed algorithm for unloading flywheel engines, the dependence of the flywheel angular velocity was obtained. This algorithm can be used to reduce the kinetic moment of the small spacecraft flywheel engines using electromagnets. The study is based on the theorem on the change of the kinetic moment and the introduction of the unloading admissibility criterion. Flywheel engines are considered as the main executive bodies. Magnetic executive bodies are used to reduce the flywheel engine kinetic moment. The study was carried out on the example of the small Aist-2D spacecraft for remote sensing of the Earth. The results of the work can be used to improve the efficiency of small spacecraft motion control system. It will make it possible to improve the resolution of objects imaging from small spacecrafts for remote sensing of the Earth.
Keywords: small Earth remote sensing spacecraft, flywheel engine, magnetic actuators, unloading algorithm
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