电磁轴承控制系统的研究与探讨

该文对转子-电磁轴承系统进行了多方面的研究.提出了更为接近实际的控制对象模型;研究了三种线性控制器,并对其相应的系统稳定裕度、动态性能、稳态精度等指标进行了比较;通过研究指出;控制器中含有滞后环节会恶化力干扰通道的动态性能;另外还探讨了提高功率放大器响应速度的意义和途径.该文紧密结合实际,分析深入,对磁轴承控制系统的设计具有很好的参考作用.

RESEARCH AND DISCUSSION ON THE CONTROL SYSTEM OF ACTIVE MAGNETIC BEARINGS

The technology of Active Magnetic Bearing (AMB) is now spreading throughout the world. Here the rotor-AMB system is studied in several different respects. We set up a more accurate model for the control object, study three kinds of controllers, and respectively compare their specifications such as system stability margin, dynamic performance and steady-state accuracy. This paper also presents the negative influence of phase-lag network which is widely used in AMB linear controller. The detailed analyses in this paper will make it a good reference to the designing Of the AMB control system.