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Magnetic bearings are systems where strong interactions coexist between electro-magnetic and mechanical phenomenon. This paper presents an analysis of these interac-tions and of the way they can generate a potentially unstable behaviour. An analytical model is presented considering the electromagnetic nature of the forces and the general rotating machinery aspects. The coefficients of the model are found by identification with a finite element model of the system and with experimental measurements.

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Booktitle: Proceedings of ISMB10