磁浮飞轮试验模型的研究

磁浮飞轮是采用磁轴承支承的卫星姿态控制执行机构。本文在综述磁轴承特点的基础上，介绍了本磁轴承飞轮试验模型的工作原理，推导了其动力学模型。给出了磁轴承设计中的关键参数：轴向不平衡刚度、径向恢复刚度、旋转刚度的计算方法。最后对磁轴承的被动悬浮特性进行了分析，对其主动悬浮控制系统进行了设计，给出了实验结果。本文中所涉及的问题对其它依靠磁力支承装置的设计有参考价值。

Reserch on the Laboratory Model of Magnetic Suspension Flywheels

Magnetic suspension flywheels are executing mechanism for spacecraft attitude control,which are supported by magnetic bearing.Based on the summary of the characteristics of magnetic bearing.this paper introduces the working principles of the laboratory model of magnetic suspension flywheel.and it also infers the dynamic equation of magnetic bearing.Besides,this paper introduces the calculating method the crucial parameters in designing magnetic bearing:axial unbalance stiffness,radial stiffness,angular stiffness.Lastly,the passive suspension characteristics of magnetic bearing are analyzed,active suspension control system is designed,and the results of the experiment are given.Some contents involved in this paper are of referential value for other devices supported by magnetic force.