Spacecraft Motion Control During Landing on the Lunar Surface

To perform a soft landing on the Moon, it is necessary to move the spacecraft from a point in the prelanding orbit to a point on the surface. By the time any of the landing supports come into contact with the surface, the vertical velocity of the spacecraft must be reduced to sufficiently small valu...

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Bibliographic Details
Published in:Solar system research 2022-12, Vol.56 (7), p.461-469
Main Authors: Jukov, B. I., Lichachev, V. N., Rozin, P. E., Sikharulidze, Y. G., Tuchin, A. G., Tuchin, D. A.
Format: Article
Language:English
Subjects:
Astronomy
Astrophysics and Astroparticles
Astrophysics and Cosmology
Observations and Techniques
Physics
Physics and Astronomy
Planetology
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Summary:To perform a soft landing on the Moon, it is necessary to move the spacecraft from a point in the prelanding orbit to a point on the surface. By the time any of the landing supports come into contact with the surface, the vertical velocity of the spacecraft must be reduced to sufficiently small values, about 1–3 m/s, and the residual horizontal velocity of the spacecraft must not exceed 1 m/s (Demenko, et al., 2020). If these parameters are attained, the design of the lander allows the spacecraft to maintain a stable position on the ground and ensures further functioning of the payload on the lunar surface. The main results are presented of developing and applying an algorithm for onboard software to perform a landing onto the lunar surface.
ISSN:0038-0946
1608-3423
DOI:10.1134/S0038094622070176