不同转子结构参数下永磁同步电动机高性能控制策略的研究

本文研究了不同转子结构参数Ｌｄ、Ｌｑ（或Ｘｄ、Ｘｑ）下同步电动机的矢量控制策略、最大转矩控制策略以及它们之间的相互关系。研究表明，在交直轴转子磁路对称情况下，永磁同步电动机矢量控制将有多种的实现方式，但最大转控制是其矢量控制策略一种形式；而在交直轴转子磁路不对称情况下，永磁同步电动机分别可以实现矢量控制和最大转矩控制，最大转矩控制与矢量控制是其两类不同的控制策略。

Study on the High Performance Control Strategies of Permanent Magnet Synchronous Motor under the Different Structural Parameters of its Rotor

The paper researches the vector control and maximum torque control strategies of permanent magnet synchronous motor under the different structural parameters L_d .L_q (or X_d .X_q) of its rotor and the relationships during the control strategies. The results show that there are some different control methods for the vector control of permanent magnet synchronous motor,but the maximum torque control is only one of the vector control methods under the symmetry rotor magnetic paths. Otherwise,if the magnetic paths for the rotor direct and quarter axes are unsymmetry,the maximum torque control strategies besides the vector control strategies can also be realized to permanent magnet synchronous motor.the maximum torque control and the vector control are two different kinds of control strategies.