基于龙贝格观测器的PMSM无位置传感器控制系统设计

doi:10.16180/j.cnki.issn1007-7820.2020.10.008

Abstract

Abstract:

Permanent magnet synchronous motor system based on low-resolution Hall position sensor has low estimation accuracy and slow response speed at medium and high speeds. To solve these problems, based on mathematical model of permanent magnet synchronous motor, the Luenberger observer and phase-locked loop are combined to propose a sensorless control algorithm of permanent magnet synchronous motor. The simulation model of the control system is established by MATLAB/Simulink tool to verify the feasibility of the control system. The superiority of the Luenberger observer over the Hall position sensor is verified by building the physical platform based on PAC5232. The experimental results show that the sensorless control system effectively improves the response speed and estimation accuracy of the system, making it to better track the rotor speed and rotor position information.

Key words: permanent magnet synchronous motor, luenberger observer, phase-locked loop, Hall position sensors, sensorless control, PAC5232

CLC Number:

TP273

YAO Ying,LI Wei,JIN Hai,GUO Jie. Design of Sensorless Control System for PMSM Based on Luenberger Observer[J].Electronic Science and Technology, 2020, 33(10): 45-50.

Figures/Tables 13

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Design of Sensorless Control System for PMSM Based on Luenberger Observer

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