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将永磁铁改为插槽式改进了三自由度混合轴承结构。设计系统的控制器,采用现代工业最常用的控制形式——传统PID控制、非线性补偿PID控制以及基于遗传算法的PID控制方法对电磁轴承的控制效果进行比较研究。利用MAT-LAB中的Simulink模块库对所设计的PID控制参数进行调试整定。结果表明:非线性补偿PID控制明显优于传统的PID控制,基于遗传算法的PID控制方法控制效果最优。
The permanent magnet to the slot to improve the three degrees of freedom hybrid bearing structure. The design of the system controller, using the most commonly used forms of modern industrial control - the traditional PID control, nonlinear compensation PID control and genetic algorithms based on the PID control method of electromagnetic bearing control comparative study. Use MATLAB Simulink module library to design the PID control parameters for tuning. The results show that nonlinear compensating PID control is obviously superior to the traditional PID control, and the PID control method based on genetic algorithm has the best control effect.