基于旋转坐标系PMSM的无位置传感器控制策略研究

Research on Sensorless Control Strategy of PMSM in Rotating Reference Frame

针对永磁同步电机(PMSM)的无位置传感器控制中高速应用场合,结合了一种基于旋转坐标系的全阶观测器估算算法和锁相环的转子位置提取方法设计了一套方案对电机转子位置和速度进行估算,通过对观测器的闭环极点进行配置的方法来设计全阶观测器的反馈增益矩阵参数,并对通过搭建MATLAB/Simulink仿真平台对估算算法进行仿真验证。仿真结果表明该算法具有良好的估算性能,验证了该方案的有效性和可行性。

In order to achieve sensorless control of permanent magnet synchronous motor(PMSM)in full speed range,a set of schemes which combining a full-order observer estimation algorithm based on rotating reference frame and rotor position detection method of phase-locked loop is designed to estimate the rotor position and velocity of the motor,the feedback gain matrix parameters of the fullorder observer is designed by configuring the closed-loop poles of the observer,and the estimation algorithm is verified by building MATLAB/Simulink simulation platform.Simulation results indicate that the proposed algorithm has good estimation performance and verifies the effectiveness and feasibility of the proposed scheme.