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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:

2018年02期

Page:

1-

Research Field:

电气与电子工程

Publishing date:

Info

Title:

Research on Torque Ripple Reduction in Direct Torque Control ofBrushless DC Motor Based on Zero Voltage Vector

Author(s):

Cao Wei¹; 2; 3; Hu Minqiang²; Yang Jianfei¹; 2; 3; Qiu Xin¹; 2; 3; Guo Yong¹; 2; 3

(1.Changzhou Institude of Innovation and Development,Nanjing Normal University,Changzhou 213022,China)(2.School of NARI Electrical and Automation,Nanjing Normal University,Nanjing 210042,China)(3.Jiangsu Key Laboratory 3D Printing Equipment and Manufacturing,Nanjing Normal University,Nanjing 210023,China)

Keywords:

brushless DC motor(BLDCM); direct torque control(DTC); zero voltage vector; duty cycle control; torque ripple

PACS:

TM351

DOI:

10.3969/j.issn.1672-1292.2018.02.001

Abstract:

In this paper,the law of current and torque of brushless DC motor(BLDCM)under different zero voltage vector are analyzed. According to the requirements of torque control,a direct torque control(DTC)method of zero voltage vector combined with duty cycle control is proposed. The torque ripple is effectively suppressed. The simulation results verify the correctness of the theoretical analysis and the feasibility of the proposed method.

References:

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Last Update: 2018-06-30