Abstract
In maglev flywheel system, unbalance interference signals synchronous with the flywheel frequency would be produced because the flywheel rotor quality is uneven. The signal can reduce system control precision and stability, and make the system produce unbalance vibration, so the signal should be filtered to reduce the effects to the control system. A kind of vibration switching compensation control strategy is proposed based on the standard LMS algorithm and one PID controller. The flywheel real-time rotation frequency is looked as the switching reference, different LMS algorithm step size and different PID controller parameters are adopted in different rotational frequency. Simulation and experiment results verify the feasibility and effectiveness of the switch compensation strategy, can reduce the control current amplitude, and make the flywheel rotate around the inertial principal axis as much as possible.
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