Vibration Torque Suppression for Magnetically Suspended Flywheel Using Improved Synchronous Rotating Frame Transformation

Figure 13

Experimental results for vibration torques measured at the speed of 4800 rpm. (a) for direction without suppression. (b) for direction with the proposed method suppression. (c) for direction without suppression. (d) for direction with the proposed method suppression.

(a)

(b)

(c)

(d)