摘要
建立了磁轴承系统线性化数学模型,采用根轨迹法对闭环系统稳定性进行了分析,得出采用PD或PID控制器,参数在一定范围内磁轴承系统能稳定工作。确保控制器参数调节方便以及参数整定在性能优的范围内,介绍了参数优化仿真方法及给出了仿真结果,最后介绍了磁轴承数字控制器的结构及参数实时调节方法。实验表明:PID控制器能使磁轴承稳定可靠工作。
A linearized mathematic model for single freedom magnetic bearing is established. The root locus method is adopted to analyze the stability of closed-loop system, and then a PD and PID controller is designed which makes the magnetic bearing stable. The structure of digital controller for magnetic bearing and the parameter real-time regulation are intooduced in the paper. Experimental result proves that this PID controller ensures the magnetic bearing stable and reliable.
出处
《电气自动化》
北大核心
2001年第4期12-14,共3页
Electrical Automation
基金
航空科学基金(编号:98C52025)
