Improved multi-Hall sensor BLDCM torque ripple suppression method

ZHANG Jihua; WANG Xiaodong

doi:10.13873/J.1000-9787(2021)07-0021-04

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Improved multi-Hall sensor BLDCM torque ripple suppression method

更新时间：2025-09-11

- Improved multi-Hall sensor BLDCM torque ripple suppression method
- Issue 7, Pages: 21-24(2021)
- 作者机构：
  
  辽宁工程技术大学电气与控制工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/J.1000-9787(2021)07-0021-04
  CLC： TM33
- Published：2021
- 稿件说明：
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ZHANG Jihua, WANG Xiaodong. Improved multi-Hall sensor BLDCM torque ripple suppression method[J]. 2021, (7): 21-24.
DOI：

ZHANG Jihua, WANG Xiaodong. Improved multi-Hall sensor BLDCM torque ripple suppression method[J]. 2021, (7): 21-24. DOI： 10.13873/J.1000-9787(2021)07-0021-04.

摘要

针对无刷直流电机（BLDCM）系统存在转矩脉动大的问题

提出了一种基于多霍尔传感器的改进型PWM调制方式

即拟POP调制方式

且适用于无刷直流电机的全转速段。仿真结果表明:与常用的基于三霍尔传感器H＿PWM-L＿ON调制方式相比

此方式可以使转矩脉动在低速段降低25%

高速段降低33%。

Abstract

Aiming at problem of large torque pulsation of brushless DC motor（BLDCM） system

an improved pulse width modulation（PWM） modulation mode based on multi-Hall sensor

namely quasi-POP modulation mode

is proposed

which is applicable to all speed of BLDCM.The simulation results show that compared with the commonly used three-Hall sensor based H＿PWM-L＿ON modulation mode

this mode can reduce torque pulsation by 25%at low speed stage

and 33%at high speed stage.

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