A Research on an Implementation Method of Speed Sensorless Control for Dual Three-phase Permanent Magnet Synchronous Motor

Yu Zhang; Gao Jun-li

doi:10.12052/gdutxb.180092

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A Research on an Implementation Method of Speed Sensorless Control for Dual Three-phase Permanent Magnet Synchronous Motor

更新时间：2026-05-27

- A Research on an Implementation Method of Speed Sensorless Control for Dual Three-phase Permanent Magnet Synchronous Motor
- Vol. 36, Issue 3, Pages: 83-90(2019)
- 作者机构：
  
  广东工业大学　自动化学院,广东,广州,510006
- 作者简介：
- 基金信息：
- DOI：10.12052/gdutxb.180092
  CLC： TM351
- Online First：09 May 2019，
  
  Published：2019
- 稿件说明：
移动端阅览
余章, 高军礼. 一种双三相永磁同步电机无速度传感器控制的实现方法研究[J]. 广东工业大学学报, 2019, 36(3): 83-90.

Yu Zhang, Gao Jun-li. A Research on an Implementation Method of Speed Sensorless Control for Dual Three-phase Permanent Magnet Synchronous Motor[J]. 2019, 36(3): 83-90.
余章, 高军礼. 一种双三相永磁同步电机无速度传感器控制的实现方法研究[J]. 广东工业大学学报, 2019, 36(3): 83-90. DOI： 10.12052/gdutxb.180092.

Yu Zhang, Gao Jun-li. A Research on an Implementation Method of Speed Sensorless Control for Dual Three-phase Permanent Magnet Synchronous Motor[J]. 2019, 36(3): 83-90. DOI： 10.12052/gdutxb.180092.

摘要

在考虑

α-β

子空间的基波分量和

x-y

子空间的谐波分量的情况下

提出一种基于自适应滑模观测器(SMO)和多重比例谐振(PR)控制器的双三相永磁同步电机(DTP-PMSM)无速度传感器控制方法. 基于DTP-PMSM的矢量空间解耦模型

首先在其

α-β

子空间设计了电流滑模观测器

并用双曲正切函数代替符号函数作为切换函数

削弱了滑模抖动并获得了更光滑的反电动势信号. 然后设计了反电动势自适应观测器

提高了电机转速和转子位置的估计精度

并免除了常规滑模观测器中采用的低通滤波器和相位补偿单元. 随后在

α-β

子空间利用PR控制器对参考电流实现了无静差跟踪控制; 在

x-y

子空间引入PR控制器对电机相电流中的6

±1(

…)次谐波进行抑制

减少了电机损耗和逆变器容量

提高了电机运行性能. 仿真实验结果表明了所提控制方案的可行性和有效性.

Abstract

A speed sensorless control strategy of dual three-phase permanent magnet synchronous motor (DTP-PMSM) is investigated based on an adaptive sliding mode observer (SMO) and multi proportional resonant (PR) control with the consideration of the fundamental component in

α-β

subspace and harmonic element in

x-y

subspace. First

a current sliding mode observer is designed in

α-β

subspace based on vector space decomposition tra

nsformation for DTP-PMSM model by replacing signum function with hyperbolic tangent function as switching function to reduce system chattering and obtain the equivalent signal of back electromotive force (EMF). Then

an adaptive observer of back EMF is built to estimate the velocity and rotor position of DTP-PMSM

which eliminates the low-pass filter and phase compensation module in speed sensorless control system and improves the estimation accuracy. And then

PR controllers are employed in

α-β

subspace

which can track and control the given current without static error; also PR controllers are introduced to

x-y

subspace to reduce the 6

±1 th

… harmonics

which results in a decrease of power consumption and inverter capacity and improvement of control performance. Simulation results show the feasibility and effectiveness of the proposed method.

关键词

Keywords

references

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