Estimation of Speed and Rotor Position without Speed Sensor of Electrically Excited Synchronous Motor

WANG Shiping; HE Bojun; XIN Lanyuan; DOU Zechun; QIN Canhua

doi:10.13890/j.issn.1000-128x.2014.06.004

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Estimation of Speed and Rotor Position without Speed Sensor of Electrically Excited Synchronous Motor

更新时间：2021-12-13

- Estimation of Speed and Rotor Position without Speed Sensor of Electrically Excited Synchronous Motor
- Electric Drive for Locomotives Issue 6, Pages: 16-18(2014)
- 作者机构：
  
  1. 株洲南车时代电气股份有限公司
  2. 株洲变流技术国家工程研究中心有限公司
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2014.06.004
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WANG Shiping, HE Bojun, XIN Lanyuan, et al. Estimation of Speed and Rotor Position without Speed Sensor of Electrically Excited Synchronous Motor. [J]. Electric Drive for Locomotives (6):16-18(2014)
DOI：

WANG Shiping, HE Bojun, XIN Lanyuan, et al. Estimation of Speed and Rotor Position without Speed Sensor of Electrically Excited Synchronous Motor. [J]. Electric Drive for Locomotives (6):16-18(2014) DOI： 10.13890/j.issn.1000-128x.2014.06.004.

摘要

研究了一种基于模型参考自适应的电励磁同步电机无速度传感器控制方案。分别给出了基于电压和电流模型的磁链观测方法，利用基于电压和电流的气隙磁链观测结果之差作为误差，经过PI自适应率进行调节之后得到估计转速。对所研究的电励磁同步电机无速度传感器矢量控制系统进行了仿真试验，仿真结果表明该控制系统能够快速、准确地辨识电机转速。

Abstract

A vector control method of estimating the rotor speed based on model reference adaptive system (MRAS) was put forward. The flux observation equation based on voltage model and current model was provided particularly, and the estimated speed was obtained by regulating error signal between flux estimated by current model and voltage model with PI regulated. The vector control system for electrically excited synchronous motor without speed sensor was simulated by Matlab/Simulink, and was validated that had a good speed estimation effect.

关键词

无速度传感器矢量控制模型参考自适应系统磁链观测电励磁同步电机

Keywords

without speed sensorvector controlMRASflux observationelectrically excited synchronous motor

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