Marco Francesco Sgura
Evaluation of Model Predictive Control Strategies for Satellite Flying Formations in Generic Circular Orbits.
Rel. Mauro Mancini, Fabio Faliero. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Aerospaziale, 2026
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Abstract
This thesis investigates the challenge of autonomously guiding several satellites into a specific Generic Circular Orbit (GCO) configuration. As the demand for global connectivity and Earth observation scales, traditional ground-based station-keeping becomes computationally prohibitive and operationally inefficient. For this reason, a distributed controller architecture is considered and analysed. The research focuses on the transition from a generic injection point to a specific, stable circular orbit. The dynamics are modelled using the linearised Clohessy-Wiltshire (CW) relative motion equations to represent the state of each satellite relative to a virtual leader or a specific orbital slot. The proposed MPC framework addresses the guidance problem by solving a constrained optimisation problem at each time step.
Key features of the controller include intrinsic fuel optimisation consumption through norm objective functions, and the inclusion of actuator limits, to account for the maximum thrust capabilities of typical small-satellite propulsion systems
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