Subsequently the FOC vector controlling scheme was investigated with respect to the featured performance PMSM.

• 其次，针对三相永磁同步伺服电动机的工作特性，详细分析FOC矢量控制理论，从研制高性能伺服控制系统的角度出发，确定了空间矢量SVPWM的调制方法，同时采用转速、电流双闭环的控制策略；