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Título:	Modeling and flat control law for a fine pointing system based on semi active magnetic bearings
Autor/a:	Mahout, Vincent; Prats Menéndez, Xavier; Mignot, Jean
Otros autores:	Escola Politècnica Superior de Castelldefels; Universitat Politècnica de Catalunya. ICARUS - Intelligent Communications and Avionics for Robust Unmanned Aerial Systems
Abstract:	In this paper aspects of non linear systems and flat control are studied for a specific application of a satellite fine pointing breadboard based on semi active magnetic bearings actuators. Authors propose a complete 6 degrees of freedom mechanical model which describes the system dynamics. A completely non linear and unstable system is obtained leading to implement non linear control laws. A combination of flat control, which ensures trajectory tracking and path planning, with a linear controller which rejects uncertainties and additive noise is implemented and simulated. Simulations proves the efficiency of control law, leading to a system which is stable and reaching the high precision performances desired for the application.
Abstract:	Peer Reviewed
Materia(s):	-Àrees temàtiques de la UPC::Aeronàutica i espai -Magnetic bearings -Nonlinear systems in aviation, aerospace, aeronautics, astronautics -Sistemes no lineals -Rodaments (Mecànica)
Derechos:	Attribution-NonCommercial-NoDerivs 3.0 Spain http://creativecommons.org/licenses/by-nc-nd/3.0/es/
Tipo de documento:	Artículo - Versión publicada Objeto de conferencia
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