Title :
Stiffness analysis of a magnetically suspended bearingless motor with permanent magnet passive positioning
Author :
Asami, Kazuyoshi ; Chiba, Akira ; Hoshino, Takeshi ; Nakajima, Atsushi
Author_Institution :
Tokyo Univ. of Sci., Chiba, Japan
Abstract :
In this paper, a flywheel drive is proposed with 2-axis active position, regulation having one unit of a bearingless motor. Other three-degree-of-freedom is supported by passive magnetic bearings. Basic force and stiffness characteristics are investigated by magnetic field analysis.
Keywords :
flywheels; motor drives; permanent magnet motors; position control; flywheel drive; force characteristics; magnetic field analysis; magnetically suspended bearingless motor; passive magnetic bearings; permanent magnet passive positioning; stiffness analysis; stiffness characteristics; Flywheels; Magnetic analysis; Magnetic flux; Magnetic levitation; Motor drives; Permanent magnet motors; Permanent magnets; Rotors; Saturation magnetization; Stator cores;
Conference_Titel :
Magnetics Conference, 2005. INTERMAG Asia 2005. Digests of the IEEE International
Print_ISBN :
0-7803-9009-1
DOI :
10.1109/INTMAG.2005.1463757