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A novel method is proposed to actively attenuate the synchronous vibration of a magnetically suspended wheel (MSW) on the basis of shaft deflection. Considering the nonparallelism of the rotary axis and the inertial axis of the rotor, a precise dynamic model of the MSW is established as a linear model with synchronous disturbances. To reduce the synchronous vibration torques transferred to the base,...
This paper focuses on the suppression of the comprehensive micro-vibrations in a magnetically suspended momentum wheel (MSMW), including the synchronous harmonic caused by mass imbalance and the super harmonics caused by sensor runout. First, a generalized dynamical model of the MSMW with a novel magnetic bearing structure is developed and analyzed. Then, the synchronous force elimination is introduced...
Microvibrations produced by high speed momentum wheels can highly degrade the performance of precision instruments in satellites. To suppress such microvibrations, one of the promising methods is to utilize the magnetically suspended momentum wheel (MSMW) due to the convenient and effective control strategy. However, little research is dedicated to the microvibrations caused by MSMW. This paper focuses...
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