基于跟踪微分观测器的永磁同步电机控制系统
Permanent Magnet Synchronous Motor Control System Based on Tracking Dif-ferential Observer
周宇 1郭亮1
作者信息
- 1. 浙江理工大学 信息科学与工程学院,杭州 310018
- 折叠
摘要
传统PI控制无法实现永磁同步电机(PMSM)交直轴间的完全解耦.为此该文提出一种基于跟踪微分观测器(TD-NLESO)的永磁同步电机(PMSM)控制系统.采用线性自抗扰控制器(LADRC)对扰动的观测来抵消电感耦合项,实现电流环解耦,并对线性扩张状态观测器的结构进行改进,提高对扰动的观测速度;同时设计含预估因子的跟踪微分器以克服控制延时问题;最后,通过实验验证该策略具有可行性和良好的控制性能.
Abstract
In traditional PI control systems,complete decoupling between the AC and DC axes cannot be achieved.This article proposes a permanent magnet synchronous motor(PMSM)control system based on tracking differential observer(TD-NLESO).Using a linear active disturbance rejection controller(LADRC)to counteract the inductive cou-pling term and achieve current loop decoupling,the structure of the linear extended state observer is improved to im-prove the observation speed of disturbances.Simultaneously design a tracking differentiator with an estimation factor to overcome control delay issues.Finally,the feasibility and good control performance of this strategy were verified through experiments.
关键词
永磁同步电机/电流解耦/自抗扰控制/扩张状态观测器/LyapunovKey words
permanent magnet synchronous motor(PMSM)/current decoupling/self disturbance rejection control/expan-sion state observer/Lyapunov引用本文复制引用
基金项目
国家自然科学基金项目(51677172)
国家自然科学基金项目(52277068)
浙江省科技厅重点研发计划项目(2023C01243)
浙江省科技厅重点研发计划项目(2023C01159)
出版年
2024
NETL
NSTL
万方数据