说明：  感应电机磁场定向控制 ：电动机的矢量控制本质上是坐标的变换和解耦，分别实现对电动机励磁电流和转矩电流的控制。那么在磁场定向控制中，有三种控制方法：转子磁场定向控制，定子磁场定向控制，气隙磁场定向控制。三种控制方法思想相同，只是坐标的参考不一样而已。转子磁场定向控制是把参考坐标建立在转子定向磁场上的矢量控制方法，同样，定子磁场定向控制是把参考坐标建立在定子定向磁场上的矢量控制方法，而气隙磁场定向控制方法是把参考坐标建立在气隙定向磁场上的矢量控制方法。
(Indirect Rotor Flux Oriented Control;Field Oriented Control of Induction Motor: The vector control of motor is essentially coordinate transformation and decoupling, which realizes the control of excitation current and torque current respectively. There are three kinds of control methods in the field-oriented control: rotor field-oriented control, stator field-oriented control and air-gap field-oriented control. The three control methods have the same idea, but the reference of coordinates is different. Rotor field-oriented control is a vector control method based on reference coordinates on rotor oriented magnetic field. Similarly, stator field-oriented control is a vector control method based on reference coordinates on stator oriented magnetic field, while air-gap field-oriented control method is a vector control method based on reference coordinates on Air-gap oriented magnetic field.)