摘 要: 在永磁同步电动机控制系统中,使用转子位置传感器不仅会增加设计和制造的成本,还会使系统的可靠性降低。 因此,
无位置传感器技术已成为永磁同步电机控制领域的研究热点之一。 本文对龙伯格观测器技术原理进行分析研究,结合龙伯格观 测器技术实现了永磁同步电机的无位置传感器控制;根据空间脉宽调制技术和龙伯格观测器搭建永磁同步电机无位置控制系统 的仿真模型;设计了基于龙伯格观测器的 PMSM 控制器并进行实验。 经仿真和实验结果验证了,基于龙伯格观测器的无位置传 感器控制算法的准确性和仿真模型的有效性,为永磁同步电机控制系统研究提供了坚实理论基础和仿真模型设计思路。
关键词: 永磁同步电机; 矢量控制; 龙伯格观测器; 仿真
Simulation and implementation of permanent magnet synchronous motor based on Luenberger observer
ZHU Wenlong, MA Xipei, HE Zheng
(College of Mechanical and Automotive Engineering, Shanghai University of Engineering Science, Shanghai 201620, China) 【Abstract】 The use of a rotor position sensor in a permanent magnet synchronous motor control system will not only increase the cost of design and manufacture, but also reduce the reliability of the system. Therefore, the position sensorless technology has become one of the research hotspots in the field of PMSM control. Firstly, analyze and study the principle of Luenberger observer technology, and implement position sensorless control of PMSM in combination with Luenberger observer technology. Next, build PMSM based on spatial pulse width modulation technology and Luenberger observer. The simulation model of the position control system. Finally, a PMSM controller based on Luenberger observer was designed and experimented. The simulation and experimental results verify the accuracy of the position sensorless control algorithm based on the Luenberger observer and the validity of the simulation model, and provide a solid theoretical basis and simulation model design ideas for the research of PMSM control systems.
【Key words】 PMSM; FOC; Luenberger observer; Simulation
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