Analysis and design of an ultra-high-speed slotless self-bearing permanent-magnet motor. - Thomas Baumgartner; Ralph M. Burkart; Johann W. Kolar (IECON, 2012)

Analysis and Design of a 300-W 500 000-r/min Slotless Self-Bearing Permanent-Magnet Motor. - Thomas Baumgartner; Ralph M. Burkart; Johann W. Kolar (IEEE Trans. Ind. Electron., 2014)