分析了转子轴承系统中流体动态力的形成和自激振动的产生与油膜涡动、油膜振荡的故障。
The formation of fluid dynamic force and the occurrence of self-excited vibration and oil film vortex of rotor system are analyzed.
将机座和铁芯作为整体振荡系统，计算其自振特性。
When the stator frame and stator core are taking as a whole vibration system, its characteristic of free vibration can be calculated.
得出了系统存在强制振荡及自振荡的参量域。
The parametric regions for the existence of forced and self-excited oscillations are obtained.
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