Hybrid-triggered orbit-attitude coupled station keeping control of a spacecraft with pure thrusters

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Hybrid-triggered orbit-attitude coupled station keeping control of a spacecraft with pure thrusters

Hongyi Xie, Franco Bernelli-Zazzera

Abstract. This paper introduces a specialized attitude-orbit control system designed for three-axis stabilized micro-spacecraft facing the challenge of maintaining orbit radius near small asteroids. Utilizing a fixed main thruster and inclined small thrusters, the system addresses intense orbit-attitude coupling. An intermittent hybrid-triggered control method optimizes main thruster alignment with the asteroid’s center of gravity and maintains the spacecraft’s orbit within a specified range. The system responds to attitude deviations by activating only the inclined thrusters and triggers overall control for specified orbital conditions, ensuring spacecraft safety. Simulation results confirm the efficacy of the proposed control system.

Keywords
Hybrid-Triggered Control, Orbit-Attitude Coupling, Non-Spherical Gravity

Published online 6/1/2024, 4 pages
Copyright © 2024 by the author(s)
Published under license by Materials Research Forum LLC., Millersville PA, USA

Citation: Hongyi Xie, Franco Bernelli-Zazzera, Hybrid-triggered orbit-attitude coupled station keeping control of a spacecraft with pure thrusters, Materials Research Proceedings, Vol. 42, pp 89-92, 2024

DOI: https://doi.org/10.21741/9781644903193-20

The article was published as article 20 of the book Aerospace Science and Engineering

Content from this work may be used under the terms of the Creative Commons Attribution 3.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.

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