Journal
IEEE-ASME TRANSACTIONS ON MECHATRONICS
Volume 16, Issue 3, Pages 518-526Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TMECH.2010.2045392
Keywords
Axial-gap self-bearing motor (AGBM); bearingless motor drives; combined bearing motor; salient-pole permanent magnet synchronous motor (PMSM); self-bearing motor
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Funding
- Japanese Ministry of Education, Science, and Culture
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This paper will introduce an inset-type axial-gap self-bearing motor (AGBM), which is an electrical combination of an axial thrust-bearing and an axial flux motor. A method for controlling the axial position and the rotating speed of the AGBM without the influence of reluctance torque is also discussed. First, the axial force and the motoring torque are analyzed theoretically, and then, the control method is derived. To demonstrate the proposed technique, an inset two-pole AGBM has been constructed and tested. The experimental results confirm that the motor works stably with the proposed vector control. Moreover, the rotating torque and the axial force can be controlled independently as well.
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