Quasi optimal spacecraft formation maneuvering via lyapunov functions

Radice, G. and Biamonti, D. (2008) Quasi optimal spacecraft formation maneuvering via lyapunov functions. Journal of Aerospace Engineering, Sciences and Applications, 1(1), pp. 18-24.

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Space mission concepts based on satellite formations feature several interesting and demanding design requirements. During formation deployment, re-sizing and re-orientation, the spacecraft must reach their desired positions without incurring in collisions or interfering with each other. Conventional GNC algorithms cannot support the degree of flexibility, the accuracy in the relative positioning and the fine pointing attitude requirements of future missions. The potential function method, based upon Lyapunov’s second theorem on stability, brings the advantage of robustness and flexibility, along with a light workload for the control system. The aim of this paper is to foster the understanding of existing algorithms based on this method. In particular, the attention is focused on reducing the fuel consumption through the parametric optimization of the Lyapunov function that defines the control algorithm.

Item Type:Articles
Keywords:Lyapunov method, potential functions, spacecraft formation, optimal control
Glasgow Author(s) Enlighten ID:Radice, Dr Gianmarco
Authors: Radice, G., and Biamonti, D.
Subjects:T Technology > TL Motor vehicles. Aeronautics. Astronautics
College/School:College of Science and Engineering > School of Engineering > Autonomous Systems and Connectivity
Research Group:Space Advanced Research Team
Journal Name:Journal of Aerospace Engineering, Sciences and Applications
Publisher:Brazilian Aerospace Association

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