Szukana fraza: [Abstract = "Two control strategies are presented and compared\: local and global. In the first case the rotor is modelled as two separated masses located at the bearing. In the second case rotor stabilization is considered globally as a problem of the rotating rigid body suspended in a magnetic field. The second approach is especially important for high\-speed rotating machines. The control performance of both algorithms was analysed using an experimental AMB laboratory system."]

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