空间飞行器姿态控制用磁轴承飞轮研究

Research on magnetic bearing flywheels for attitude control of spacecraft

以空间飞行器姿态控制用磁轴承飞轮为研究对象,在论述磁轴承飞轮结构特点的基础上,介绍了该磁轴承飞轮试验模型的工作原理和系统组成,推导了其动力学模型,给出了磁轴承设计中的关键参数:轴向恢复刚度、径向不平衡恢复刚度、旋转刚度的计算方法。最后对磁轴承的主动悬浮控制系统进行了设计,给出了试验结果,所涉及的问题对其它类型的磁轴承设计有参考价值。

The magnetic bearing flywheels for attitude control of spacecraft is taken as the research object. Based on the summary of architecture characteristics of magnetic bearing flywheel the working principles and system component of its test model are introduced. Its dynamic model is derived and the key parameters in designing of magnetic bearing is given, such as axial stiffness, radial unbalance stiffness and rotation stiffness. Finally the active suspension control system of magnetic bering has been designed and its experiment results are given. Some problems involved are of referential value for other magnetic bearing designing.;