Luenberger观测器在永磁同步电机无传感器控制中的应用研究

Research on Application of Luenberger Observer in Sensorless Control of Permanent Magnet Synchronous Motor

在永磁同步电机(PMSM)矢量控制中,根据Luenberger观测器原理,提出了一种基于Luenberger观测器的PMSM转子速度和位置的估算方法,有效解决了PMSM由于机械传感器安装带来的一些弊端。利用MATLAB/Simulink工具搭建控制系统仿真模型并进行仿真验证,仿真结果表明控制系统具有良好的控制性能。最后,在以STM32F103ZET6为控制核心的硬件系统上进行算法的实现,试验结果表明基于Luenberger观测器的PMSM控制系统具有较高的控制精度且稳定性较好。

In the vector control of permanent magnet synchronous motor(PMSM),according to the principle of Luenberger observer,a based on Luenberger observer of PMSM rotor speed and position estimation method was proposed,an effective solution to some drawbacks of the PMSM due to the installation of mechanical sensors.Using MATLAB/Simulink tool to build the control system simulation model and simulation,simulation results showed that the control system had good control performance.Finally,in STM32F103ZET6as the control core of the hardware system for algorithm implementation.The experimental results showed that the PMSM control system based on Luenberger observer had high control precision and good stability.