408 磁気軸受によるフライホイールの振動制御

概要

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In this paper, we propose several ideas in numerical simulations concerning with the AMB control method for the stability improvement of this flywheel rotor. An equivalent reduced model of the rotor is firstly completed from quasi-modal method. The traditional PID control is mainly applied to the standstill levitation. This PID controller is not able to cover the stability in the entire speed range, because natural frequencies split into two ways due to the strong gyroscopic effect. In order to compensate the destabilization caused by this split, we recommend the addition of a optional technique of the cross stiffness control. The simulation proves that the cross stiffness control should be combined with a band-pass filter and a low pass filter. The corresponding data of the experiment are presented including excitation test results.
一般社団法人日本機械学会の論文
2000-09-01