论文以数控交流伺服系统为研究对象,给出了一种基于永磁同步电机(PMSM)的三环控制策略.通过建立电流环、转速环和位置环的动态数学模型并进行等效简化,采用闭环调节器对系统性能进行校正的方法,并在Matlab/Simulink环境下对案例进行仿真整定计算.结果表明了系统整体设计的正确性,并达到预期控制效果.%The paper study object is the CNC servo system,and it presented three closed-loops control strategy base on PMSM. Through dynamic mathematical model of current loop, rotational speed loop and position loop were established and simplified. The closed-loop regulator was designed. The system was corrected by the controller. The simulation, tuning and calculation of the closed-loop was carried in Matlab/Simulink. The results indicated that the correctness of the system design, The desired effect of control were achievement.
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