Adaptive Fourier ILC for Mover Position Estimation Error Suppression for Sensorless PMLSM Drives

IF 4.9 2区工程技术 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC IEEE Journal of Emerging and Selected Topics in Power Electronics Pub Date : 2024-11-19 DOI:10.1109/JESTPE.2024.3502413

Guoqiang Zhang;Xinru Zhao;Qiwei Wang;Bingbing Tong;Sisi Li;Gaolin Wang;Dianguo Xu

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Abstract

Permanent magnet linear synchronous motor (PMLSM) suffers from serious thrust ripples which severely affect the estimation accuracy and present challenges for sensorless control. This article proposes an adaptive Fourier iterative learning control (AFILC) to suppress the mover position estimation error of high-frequency signal injection (HFSI)-based sensorless PMLSM drives. First, the influence of the end effect on sensorless PMLSM drives is analyzed by establishing a dynamic inductance matrix. According to the characteristic of mover position estimation error, a proportional differential (PD)-type iterative learning control (ILC) is constructed to suppress the errors. On this basis, ILC combined with Fourier expansion extraction is designed to weaken the accumulation of aperiodic errors. The ILC control gain self-tuning method is investigated to improve the error suppression ability in different cases. The proposed method has a stronger suppression effect on estimation errors and can improve the operation performance of sensorless PMLSM drives. Finally, the feasibility and effectiveness of the proposed method are verified on a 750-W PMLSM experimental platform.

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用于抑制无传感器 PMLSM 驱动器运动位置估计误差的自适应傅立叶 ILC

永磁直线同步电机存在严重的推力脉动，严重影响了电机的估计精度，给无传感器控制带来了挑战。提出了一种自适应傅立叶迭代学习控制（AFILC）来抑制基于高频信号注入（HFSI）的无传感器永磁同步电机的运动位置估计误差。首先，通过建立动态电感矩阵，分析了端部效应对无传感器永磁同步电动机驱动的影响。根据运动位置估计误差的特点，构造了比例微分（PD）型迭代学习控制（ILC）来抑制运动位置估计误差。在此基础上，设计了ILC结合傅立叶展开提取来减弱非周期误差的积累。为了提高在不同情况下的误差抑制能力，研究了ILC控制增益自整定方法。该方法对估计误差有较强的抑制作用，可以提高无传感器永磁同步电机的运行性能。最后，在750-W永磁同步电机实验平台上验证了该方法的可行性和有效性。

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来源期刊

IEEE Journal of Emerging and Selected Topics in Power Electronics ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

12.50

自引率

9.10%

发文量

547

审稿时长

3 months

期刊介绍： The aim of the journal is to enable the power electronics community to address the emerging and selected topics in power electronics in an agile fashion. It is a forum where multidisciplinary and discriminating technologies and applications are discussed by and for both practitioners and researchers on timely topics in power electronics from components to systems.