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Electrical Engineering and Systems Science > Systems and Control

arXiv:2307.10901 (eess)
[Submitted on 20 Jul 2023]

Title:Autonomous and Robust Orbit-keeping for Small Body Missions

Authors:Rodolfo Batista Negri, Antonio Fernando Bertachini de Almeida Prado
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Abstract:This article presents a path-following control law for autonomous orbital maintenance of small body missions. The control law is robust, stable, and capable of controlling only the orbital geometry, allowing the spacecraft to operate with idle-thruster periods. It is entirely analytical and suitable for real-time operations. The control law is inspired by the two-body problem and uses sliding mode control theory to ensure robustness against bounded disturbances. Practical considerations, such as measurement noise, thruster limitations, and hysteresis-based control switching, are taken into account. The proposed control law is demonstrated and validated through several examples, including orbit-keeping around the asteroid Bennu, showing its feasibility and efficiency for small body missions. The results indicate that the control law can achieve precise and safe orbit maintenance with minimal fuel consumption, making it a valuable asset for autonomous space missions.
Comments: Draft of the paper published by the JGCD
Subjects: Systems and Control (eess.SY)
Cite as: arXiv:2307.10901 [eess.SY]
  (or arXiv:2307.10901v1 [eess.SY] for this version)
  https://doi.org/10.48550/arXiv.2307.10901
Journal reference: NEGRI, Rodolfo Batista; PRADO, Antônio FBA. Autonomous and Robust Orbit-Keeping for Small-Body Missions. Journal of Guidance, Control, and Dynamics, v. 45, n. 3, p. 587-598, 2022
Related DOI: https://doi.org/10.2514/1.G005863

Submission history

From: Rodolfo Batista Negri [view email]
[v1] Thu, 20 Jul 2023 14:23:50 UTC (12,448 KB)
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