微特电机 ›› 2018, Vol. 46 ›› Issue (11): 72-74.doi: 1004-7018(2018)11-0062-03

• 驱动控制 • 上一篇    下一篇

基于PWM电流微分的同步磁阻电动机无传感器控制

吕艳博,郝成,陈赛,宋文超   

  1. 华北理工大学,唐山 063210
  • 收稿日期:2018-06-13 出版日期:2018-11-28 发布日期:2018-11-28
  • 作者简介:吕艳博(1992—),女,硕士研究生,研究方向为检测技术及智能装置。
  • 基金资助:
    国家自然科学基金资助项目(51377168)

Sensorless Control of SynRM based on PWM Current Differential

Lü Yan-bo, HAO Cheng, CHEN Sai, SONG Wen-chao   

  1. North China University of Science and Technology,Tangshan 063210,China
  • Received:2018-06-13 Online:2018-11-28 Published:2018-11-28

摘要:

介绍了一种基于PWM电流微分的同步磁阻电机转子位置角检测方法。逆变器采用三相三角载波PWM调制方法,通过对载波频率电流微分表达式进行推导,进行转子位置的估算,并构建无位置传感控制系统。利用MATLAB/Simulink进行仿真,仿真结果表明,所设计的位置估计系统能够准确地估计出电机转子位置。

关键词: 同步磁阻电机, 无位置传感器, PWM

Abstract:

A method of rotor position angle detection for synchronous reluctance motor based on PWM current differentiation was introduced. Three-phase triangular carrier PWM modulation was adopted in the inverter. The rotor position was estimated by calculating of differential expressions for carrier frequency currents. Simulation was carried out under MATLAB / Simulink, the simulation results show that the designed position estimation system can accurately estimate the rotor position of the motor.

Key words: synchronous reluctance motor (SynRM), position sensorless, PWM

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