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Modélisation et guidage robuste et autonome pour le problème du rendez-vous orbital

Mounir Kara-Zaitri 1
1 LAAS-MAC - Équipe Méthodes et Algorithmes en Commande
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : In this thesis, two fundamental steps of the orbital rendezvous are studied: the relative navigation and the minimum-fuel guidance. The first part is devoted to the modeling of spacecraft relative motion under linear assumptions. A comprehensive bibliography review and a novel method of relative motion model design are given in this part as well as a mapping between the various state space variables forms. These developments are undertaken in order to provide reliable and accurate navigation tools in the presence of orbital perturbations. The guidance is considered in the second part through the development of several algorithms for solving the fixed-time rendezvous problem. Each algorithm is developed using different theoretical tools such as indirect methods for solving optimal control problems based on the maximum principle or direct techniques exploiting the discretizing of optimal control problems and linear programming. Various objectives are considered through the use of these tools, including minimization of fuel consumption and robustness toward the navigation errors. Other algorithms are designed in order to improve their practical implementation thanks to the use of orbital mechanics theory. A set of validation tests and comparisons is made, where examples from academic literature and real missions are solved using the different algorithms. This is achieved in order to highlight the most relevant theoretical and practical aspects of the proposed algorithms.
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Submitted on : Tuesday, December 14, 2010 - 10:19:37 AM
Last modification on : Thursday, June 10, 2021 - 3:07:03 AM
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  • HAL Id : tel-00546293, version 1


Mounir Kara-Zaitri. Modélisation et guidage robuste et autonome pour le problème du rendez-vous orbital. Mathématiques [math]. Université Paul Sabatier - Toulouse III, 2010. Français. ⟨tel-00546293⟩



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