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In this paper a model and two control strategies are developed for the two radial active magnetic bearings (AMB) of an energy storage flywheel. The model is detailed, taking account of all significant phenomena in system. A linear control (proportional derivative control – PD control) and a nonlinear control (sliding mode control – SM control) based on the feedback linearization of the nonlinear magnetic bearing system are developed in order to find the best control for this system.

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Booktitle: Proceedings of ISMB10