オーバーハング回転軸系のセミアクティブ制振に関する研究

概要

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In order to reduce the unbalanced vibration of a rotating machinery with an overhung rotor, we propose a semi-active vibration control system. The overhung rotor is attached to one end of a simply supported shaft-rotor system, a rotor of which is installed in an electromagnetic actuator. The electromagnetic actuator can apply a semi-active control force to the simply supported rotor to reduce the vibration of the overhung rotor indirectly. In the analysis, we confirm that there are the optimum values of the PD-controller gains to reduce the vibration of the overhung rotor. When the vibration suppression of the overhung rotor near the 1st and 2nd lower critical speeds is treated, the optimal values for the PD gains are obtained approximatelIy by the principal of a dynamic absorber. The analytical results are confirmed by the experiment for an overhung rotor with semi-active vibration control system.
一般社団法人日本機械学会の論文
1997-12-25