基于高频位置矫正法的永磁同步电机低速域抗扰动插值控制策略

doi:1004-7018(2022)03-0005-11

微特电机 ›› 2022, Vol. 50 ›› Issue (3): 53-59.doi: 1004-7018(2022)03-0005-11

基于高频位置矫正法的永磁同步电机低速域抗扰动插值控制策略

张冰鑫¹, 刘侃¹, 周世超¹, 李跃¹, 屈阳华², 耿扬策²

1.湖南大学机械与运载工程学院,长沙 410082;
2.火装驻长沙地区军代室,长沙 410205

出版日期:2022-03-21 发布日期:2022-03-21
作者简介:张冰鑫(1997—),男,硕士研究生,研究方向为永磁同步电机驱动控制技术。刘侃(1982—),男,博士,教授,研究方向为轨道交通/新能源车电驱技术、伺服控制等。周世超(1995—),男,博士研究生,研究方向为永磁电机的谐波抑制和主动减振。
基金资助:
国家自然科学基金项目(51877075);湖湘高层次人才聚集工程项目(S2019RSCXRC0094)

High-Frequency-Position-Correction-Based Anti-Interference Interpolation Control Strategy of Permanent Magnet Synchronous Machine at Low Speed

ZHANG Bingxin¹, LIU Kan¹, ZHOU Shichao¹, LI Yue¹, QU Yanghua², GENG Yangce²

1. College of Mechanical and Vehicle Engineering, Hunan University,Changsha 410082, China;
2. Military Representative Office in Changsha of Rocket Force Equipment Department,Changsha 410205, China

Online:2022-03-21 Published:2022-03-21

摘要/Abstract

摘要： 在低精度编码器、低速域的永磁同步电机驱动系统中,位置插值算法可有效提高转子位置精度。当系统受到持续扰动时,插值位置会出现较大偏差,严重时会导致电机反转。为提高插值算法的抗扰动能力和驱动系统的稳定性,提出一种基于高频位置矫正的改进插值算法。通过短暂注入高频信号,电机高频模型精确地获得转子位置瞬时值,确保驱动系统在持续扰动下运行的稳定性。实验结果表明,该方法能够在持续扰动下得到准确的转子位置,进而提高插值算法的抗扰动性能。

关键词: 永磁同步电机, 高频信号注入, 低分辨率编码器, 位置插值, 降阶卡尔曼滤波

Abstract: In the driving system of permanent magnet synchronous machine (PMSM) with low-precision encoder and low-speed, the position interpolation algorithm can effectively improve the accuracy of rotor position. When the system is continuously disturbed, the interpolation position has a large deviation, and in severe cases, it will even cause the motor to reverse. In order to improve the anti-interference performance of the interpolation algorithm and the stability of the drive system,an improved interpolation algorithm based on high-frequency-position-correction was proposed, which accurately obtained the instantaneous value of the rotor position from the high-frequency model of the motor by short-term injection of high-frequency signals which ensured the stability of the drive system under continuous external disturbance. The experimental results show that the proposed method can obtain the precise rotor position under continuous disturbance and improve the anti-interference performance of the interpolation control algorithm.

Key words: permanent magnet synchronous machine (PMSM), high frequency signal injection(HFSI), low-resolution encoder, position interpolation, reduced-order extended Kalman filter(REKF)

中图分类号:

TM351

张冰鑫, 刘侃, 周世超, 李跃, 屈阳华, 耿扬策. 基于高频位置矫正法的永磁同步电机低速域抗扰动插值控制策略[J]. 微特电机, 2022, 50(3): 53-59.

ZHANG Bingxin, LIU Kan, ZHOU Shichao, LI Yue, QU Yanghua, GENG Yangce. High-Frequency-Position-Correction-Based Anti-Interference Interpolation Control Strategy of Permanent Magnet Synchronous Machine at Low Speed[J]. Small & Special Electrical Machines, 2022, 50(3): 53-59.

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基于高频位置矫正法的永磁同步电机低速域抗扰动插值控制策略

High-Frequency-Position-Correction-Based Anti-Interference Interpolation Control Strategy of Permanent Magnet Synchronous Machine at Low Speed

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