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介绍了自行研制的数字控制磁力轴承转子试验台特性以及进行的试验研究。建立了非线性环节和数字控制器的切实数学模型。采用多种理论分析方法以确定控制器参数,取得良好效果。实现了16 kg水平转子的稳定悬浮和运转,转速达 12 kr/min。设计了一种利用数字控制的磁力轴承对转子的不平衡响应抑制的方法。试验表明,该方法能使转子平稳运转,旋转精度大为改善,而且实施简便。
Introduced the self-developed digital control of magnetic bearing rotor test bench characteristics and the experimental study. The establishment of a non-linear links and digital controller practical mathematical model. A variety of theoretical analysis methods to determine the controller parameters, and achieved good results. Achieved a stable 16 kg rotor horizontal suspension and operation, speed up to 12 kr / min. A method to suppress the unbalanced response of the rotor by using the digitally controlled magnetic bearing was designed. Experiments show that the method can make the rotor run smoothly, greatly improve the rotation accuracy, and it is easy to implement.