Research on a solution to eliminating position noise in a Slotless Self-Bearing Motor control system

Tóm tắt

With the outstanding advantages of being unaffected by magnetic saturation, the relationship between levitation forces and
rotational torque with current being linear and no pulsating torque, Slotless Self-Bearing Motor (SSBM) í being considered by
many researchers. This paper introduces a solution to eliminate position noise in the SSBM control system, through analyzing
the theoretical basis of the possibility of noise generation affecting the motor's working ability. The author has introduced a
method of developing a DC current supply plan to maintain levitation of the rotor and the transformation of current from the
(X, Y) axis system to the (ad, be and cf) system to avoid the phenomenon of generating reverse braking torque. In addition, the
author also added a noise-compensating Feedforward control in the horizontal levitation position control system. To demonstrate this solution, the SSBM control system has been built based on Matlab/Simulink. Simulation results clearly show the
ability to eliminate position noise to help the SSBM operate more stably.