基于扰动观测器的内置式PMSM无传感器控制

doi:10.16180/j.cnki.issn1007-7820.2020.01.011

电子科技 ›› 2020, Vol. 33 ›› Issue (1): 57-62.doi: 10.16180/j.cnki.issn1007-7820.2020.01.011

基于扰动观测器的内置式PMSM无传感器控制

黄松¹,李海剑²,石伟³

^1. 上海理工大学公共实验中心,上海200093
^2. 上海理工大学机械工程学院,上海200093
^3. 许继电源有限公司,河南许昌 461000

收稿日期:2019-03-01 出版日期:2020-01-15 发布日期:2020-03-12
作者简介:黄松(1989-),男,硕士研究生,助理实验师。研究方向:电力电子与电力传动、嵌入式系统等。|李海剑(1994-),男,硕士研究生。研究方向:电机与电器、电机控制器等。|石伟(1981-),男,硕士研究生。研究方向:开关电源等。
基金资助:
国家重点研发计划(2018YFB0106300)

Interior PMSM Sensorless Control Based on Disturbance Observer

HUANG Song¹,LI Haijian²,SHI Wei³

^1. Public Laboratory Center,University of Shanghai for Science and Technology,Shanghai 200093,China
^2. School of Mechanical Engineering,University of Shanghai for Science and Technology, Shanghai 200093,China
^3. Xuji Power Co., Ltd,Xuchang 461000,China

Received:2019-03-01 Online:2020-01-15 Published:2020-03-12
Supported by:
National Key R&D Program of China(2018YFB0106300)

摘要/Abstract

摘要：

针对两相静止坐标系下基于观测器进行IPMSM无传感器控制时存在电角度估算误差与交直轴电感和负载转矩耦合、电角度补偿复杂等问题,文中选择在同步旋转坐标系下采用电机原有电感参数进行IPMSM无传感器控制。通过建立PMSM 的矢量数学模型,对存在电角度估算误差时采用IPMSM原参数对反电动势估算的影响进行分析,分析结果验证了该方法的理论可行性。利用MATLSB/Simulink进行仿真,并进行了针对性实验。实验结果表明,文中所提算法无须电角度补偿,在扰动条件下仍能对电机转子位置和速度进行良好地跟踪。

关键词: 内置式永磁同步电机, 扰动观测器, 无传感器控制, 锁相环, 同步旋转坐标系, 矢量控制

Abstract:

For the sensorless control of the IPMSM based on the observer in the two-phase stationary coordinate system, thereare problems including coupling of electrical angle estimation error, the cross-axis inductance and load torque, and complicated electrical angle compensation. In order to solve these problems,the sensorless control of IPMSM was carried out by using the original inductance parameters of the motor in the synchronous rotating coordinate system in this study. By establishing the vector mathematical model of PMSM, the influence of the original parameters of IPMSM on the estimation of back EMF was analyzed when the electrical angle estimation error existed. The conclusion of the method verified the theoretical feasibility of the method. The simulation was conducted by MATTSB/Simulink, and the targeted experiments were performed. The results showed that the proposed algorithm did not require electrical angle compensation, and could track the rotor position and speed of the motor under the disturbance condition.

Key words: interior permanent magnet synchronous motor, disturbanceobserver, sensorlesscontrol, phase-locked loop, synchronous rotating coordinate system, vector control.

中图分类号:

TM341

黄松,李海剑,石伟. 基于扰动观测器的内置式PMSM无传感器控制[J]. 电子科技, 2020, 33(1): 57-62.

HUANG Song,LI Haijian,SHI Wei. Interior PMSM Sensorless Control Based on Disturbance Observer[J]. Electronic Science and Technology, 2020, 33(1): 57-62.

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参数含义	取值	参数含义	取值
极对数p	4	额定电压V_DC/V	72
定子电阻R/Ω	0.011	额定电流I/A	57
d轴电感L_d/mH	0.3	额定转矩T/N.m	11
q轴电感Lq/mH	0.457	额定功率P/kW	4.2
转动惯量J/(kg.m²)	8.32×10^-3	额定转速n_base/rpm	2500

基于扰动观测器的内置式PMSM无传感器控制

Interior PMSM Sensorless Control Based on Disturbance Observer

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