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Program control of a spacecraft with electric propulsion engines in the vicinity of an asteroid
- Authors: Starinova O.L.1, Chen D.2, Fadeenkov P.V.1
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Affiliations:
- Samara National Research University
- Nanjing University
- Issue: No 3 (2025)
- Pages: 37-45
- Section: OPTIMAL MANAGEMENT
- URL: https://vietnamjournal.ru/0002-3388/article/view/688261
- DOI: https://doi.org/10.31857/S0002338825030049
- EDN: https://elibrary.ru/BFSEVW
- ID: 688261
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Abstract
The article considers the control of the center of mass motion of a spacecraft with a low-thrust propulsion system in the vicinity of an irregularly shaped asteroid. Formation of the motion control program during mission planning is complicated by incomplete knowledge of the asteroid’s gravity. A superposition of N attractive points rotating with the asteroid’s own angular velocity at a constant distance can be used as a mathematical model of the asteroid’s gravitational potential. A preliminary study of the research object allows calculating the characteristics of such a model with two attractive centers. Software control in the vicinity of the asteroid for target maneuvers is formed on the basis of a combination of locally optimal control laws and the developed algorithm of relay switching between them with a dead zone. The developed algorithms and methods are illustrated by the results of modeling the spacecraft motion in the vicinity of the asteroid 433 Eros.
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About the authors
O. L. Starinova
Samara National Research University
Author for correspondence.
Email: Starinova.OL@ssau.ru
Russian Federation, Samara
D. Chen
Nanjing University
Email: Starinova.OL@ssau.ru
China, Nanjing
P. V. Fadeenkov
Samara National Research University
Email: Starinova.OL@ssau.ru
Russian Federation, Samara
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