基于改进扰动观测器的永磁同步电机鲁棒自适应控制

doi:10.13229/j.cnki.jdxbgxb.20240790

Abstract

Abstract:

In order to improve the tracking accuracy and anti-interference ability of the permanent magnet synchronous motor in the coarse tracking system of space laser communication platform， a robust adaptive backstepping controller based on improved disturbance observer was designed.Firstly， the backstepping controller based on disturbance observer is designed to deal with the uncertainty of external disturbance， and the disturbance observer is improved， which has gotten a very good effect. Then， an adaptive backstepping controller based on a disturbance observer is designed to deal with the time-varying internal parameters of the permanent magnet synchronous motor within a certain range during actual operation， which significantly reduces the system tracking error.Finally， in order to further reduce the disturbance of uncertain factors such as observation error in the running process of the system， a robust feedback item is added to the adaptive backstepping controller， and the tracking accuracy of the system is improved again.Results in simulation show that the proposed controller is able to effectively reduce the position tracking error and has a good disturbance rejection performance.

Key words: space laser communication, adaptive backstepping control, robust control, disturbance observer

CLC Number:

TP 273

Jian-xin FENG,Jian-xiong GONG,Hao-yang LI,Bai-chun GONG. Robust adaptive control of permanent magnet synchronous motor based on improved disturbance observer[J].Journal of Jilin University(Engineering and Technology Edition), 2026, 56(2): 368-375.

Figures/Tables 6

Table 1

The parameter value of the PMSM"

参数	取值
额定电压/V	28
额定转速/（r·min^-1）	60
额定转矩/（N·m）	0.3
额定电流/A	2
转动惯量/（kg·m²）	（0.000 48~0.000 61）
永磁体磁通/Wb	0.0613
电子电阻/ $Ω$	1.5
定子电感/mH	1.1
磁极对数	11
粘滞摩擦系数/（kg·m²·s^-1）	（0.001 0~0.001 4）

Table 1

Fig. 1

Fig.2

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Fig.4

Fig.5

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