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A radial flux homopolar induction bearing has been developed, and is analyzed using a 3D-FEM software in which the Minkowskij transform has been implemented. Results show remarkably low bearing losses, but also a strong and speed dependent cross coupling in the lateral plane stiffness. Parametric optimization of the magnetic circuit has been performed to maximize bearing stiffness with regard to magnet size, losses and stability.

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Booktitle: Proceedings of ISMB9