| Summary: | In order to attenuate the vibration caused by the radial imbalance in the Magnetically Suspended Flywheel (MSF), a parallel automatic balance control method is proposed. First, after the conduction of comparison between the parallel and series notch filter, a conclusion is drawn that the MSF achieves a better dynamic performance with greater attenuation on current vibration using the parallel notch filter. Then, experiments are performed under three conditions: without using the unbalance control, using radial unbalance control, and using axial unbalance control. The experimental results indicates that the stable automatic balance control and faster converging speed are achieved with the adoption of the proposed method. Furthermore, the vibration on the base is reduced significantly when the proposed method is introduced for all channels.
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