Permanent Magnet Synchronous Motor Rotor Position and Speed Estimation Methodology Based on Band-Pass Frequency Tracking Filter
Li Yuanjiang1,2, Miao Kuixing1,3, Wei Haifeng1, Zhang Yi1, Liu Weiting1
1. School of Electronic Information Jiangsu University of Science and Technology Zhenjiang 212000 China; 2. Suzhou Shijing Environmental Protection Technology Co. Ltd Suzhou 215100 China; 3. Jiangsu Yunyi Electric Co. Ltd Xuzhou 221100 China
Abstract：In the permanent magnet synchronous motor (PMSM) control system for electric mopeds, method for estimating the position and speed of the motor rotor based on the band-pass frequency tracking filter are proposed to solve the problem of the deviation of the installation position of the Hall position sensor. The algorithm converts the three-phase Hall signal into a Hall vector through the coordinate transformation, and extracts the rotor position information of the motor in the Hall vector via a band-pass frequency tracking filter and a phase-locked loop, so as to the correct estimation of the rotor position and speed information of the permanent magnet synchronous motor has been realized on the condition of the installation position offset of the Hall position sensor. Through experimental verification, the algorithm effectively reduces the fluctuation of the motor speed and current when the Hall position sensor is installed at a position offset, and improves the reliability and stability of the control system.
李垣江, 苗奎星, 魏海峰, 张懿, 刘维亭. 基于带通频率跟踪滤波器的永磁同步电机转子位置与速度估算[J]. 电工技术学报, 2022, 37(21): 5402-5413.
Li Yuanjiang, Miao Kuixing, Wei Haifeng, Zhang Yi, Liu Weiting. Permanent Magnet Synchronous Motor Rotor Position and Speed Estimation Methodology Based on Band-Pass Frequency Tracking Filter. Transactions of China Electrotechnical Society, 2022, 37(21): 5402-5413.
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2022, Vol. 37 
