永磁同步电机低速区摩擦干扰补偿方法研究

2022 IEEE 6th Information Technology and Mechatronics Engineering Conference (ITOEC) Pub Date : 2022-03-04 DOI:10.1109/ITOEC53115.2022.9734508

Yuchen Wang, Zhonghua Wang

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引用次数: 1

摘要

本文对永磁同步电动机在低速区运行时的失稳现象进行了补偿。基于PI控制策略，利用摩擦模型对以摩擦力矩为主的非线性部分进行补偿。采用Stribeck摩擦模型建立系统摩擦模型。用负荷观测器补偿线性负荷扰动。仿真结果表明，摩擦模型和扰动观测器方法降低了摩擦非线性对系统低速性能的影响，提高了系统的跟踪精度和抗扰能力。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Research on friction disturbance compensation method in low-speed region of permanent magnet synchronous motor

In this paper, the instability phenomenon of permanent magnet synchronous motor (PMSM) running in a low-speed region is compensated. Based on the PI control strategy, the friction model is used to compensate for the nonlinear part dominated by friction torque. The Stribeck friction model is used to build the model of system friction. Compensation of linear load disturbance using load observer. The simulation results show that the friction model and the disturbance observer method reduce the influence of friction nonlinearity on the low-speed performance of the system and improve the tracking accuracy and disturbance rejection ability of the system.

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来源期刊

2022 IEEE 6th Information Technology and Mechatronics Engineering Conference (ITOEC)

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