1992 Volume 58 Issue 556 Pages 3695-3700
A method of levitation control of a permanent-magnet-type rotating motor is proposed. It is assumed that the rotor has sinusoidally distributed magnetic poles, while the stator has a current sheet to produce arbitrary distributed flux. The levitation force can be independently controlled with the proposed ±2-pole algorithm. This can be applicable to both a synchronous motor and a servomotor. A simple experimental apparatus is made and controlled with a synchronous algorithm. The results clarify the validity of the proposed method.