A TD-Based Speed Sensorless Composite Controller for a PMSM with Disturbances: Design and Verifications

IF 1.6 4区 工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC Journal of Electrical Engineering & Technology Pub Date : 2024-06-28 DOI:10.1007/s42835-024-01964-y
Hao Lu, Shengquan Li, Peikang Li, Juan Li
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Abstract

To deal with the modeling error, dynamical uncertainties and disturbances caused by actual operating conditions, i.e., total disturbance, a speed composite sensorless controller based on tracking differentiator (TD) for a permanent magnet synchronous motor system (PMSMs) is proposed in the paper. Aiming to obtain precise electric angular velocity and the rotor position without mechanical sensors, a sliding mode observer (SMO) is established, which can estimate above signals from the back electromotive force (EMF). A time-optimal tracking differentiator (TD), attenuating the chattering phenomenon with a low-pass filter, is designed to optimize the performance of SMO. In addition, an extended state observer (ESO) is introduced to obtain the estimation value of the total disturbance, and can achieve satisfactory control performance via a feedforward compensation channel. Simulation and experimental results validate that the proposed speed sensorless composite control algorithm has excellent anti-disturbance ability and satisfactory speed regulation performance.

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用于具有扰动的 PMSM 的基于 TD 的无速度传感器复合控制器:设计与验证
为应对建模误差、动态不确定性和实际运行条件造成的干扰(即总干扰),本文提出了一种基于跟踪微分器(TD)的永磁同步电机系统(PMSMs)速度复合无传感器控制器。为了在没有机械传感器的情况下获得精确的电动角速度和转子位置,本文建立了一个滑动模式观测器(SMO),该观测器可以从反向电动势(EMF)中估算出上述信号。为了优化 SMO 的性能,设计了一个时间最优跟踪微分器 (TD),利用低通滤波器减弱颤振现象。此外,还引入了扩展状态观测器(ESO)来获取总扰动的估计值,并通过前馈补偿通道实现令人满意的控制性能。仿真和实验结果验证了所提出的无速度传感器复合控制算法具有出色的抗干扰能力和令人满意的调速性能。
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来源期刊
Journal of Electrical Engineering & Technology
Journal of Electrical Engineering & Technology ENGINEERING, ELECTRICAL & ELECTRONIC-
CiteScore
4.00
自引率
15.80%
发文量
321
审稿时长
3.8 months
期刊介绍: ournal of Electrical Engineering and Technology (JEET), which is the official publication of the Korean Institute of Electrical Engineers (KIEE) being published bimonthly, released the first issue in March 2006.The journal is open to submission from scholars and experts in the wide areas of electrical engineering technologies. The scope of the journal includes all issues in the field of Electrical Engineering and Technology. Included are techniques for electrical power engineering, electrical machinery and energy conversion systems, electrophysics and applications, information and controls.
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