|本期目录/Table of Contents|

[1]吴建华,孙庆国. 基于转矩分配函数在线修正的开关磁阻电机转矩脉动抑制策略[J].电机与控制学报,2017,21(12):1-8.[doi:10.15938/j.emc.2017.12.001]
 WU Jian-hua,SUN Qing-guo. Torque ripple minimization for switched reluctance motorsby online modification of torque sharing function [J].,2017,21(12):1-8.[doi:10.15938/j.emc.2017.12.001]
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 基于转矩分配函数在线修正的开关磁阻电机转矩脉动抑制策略(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
21
期数:
2017年12
页码:
1-8
栏目:
出版日期:
2017-12-01

文章信息/Info

Title:
 Torque ripple minimization for switched reluctance motorsby online modification of torque sharing function 
作者:
 吴建华 孙庆国
 (浙江大学 电气工程学院,浙江 杭州 310027)
Author(s):
WU Jian-huaSUN Qing-guo
 (College of Electrical Engineering,Zhejiang University,Hangzhou 310027,China)
关键词:
 开关磁阻电机 转矩脉动 转矩分配函数 在线修正
Keywords:
-
分类号:
TM 352
DOI:
10.15938/j.emc.2017.12.001
文献标志码:
A
摘要:
针对开关磁阻电机在换相阶段由于转矩特性、电压限制、转速升高等因素而引起的转矩脉动问题,研究一种基于转矩分配函数在线修正的直接瞬时转矩控制方案。在换相的开始阶段,对前一相绕组的转矩分配函数进行在线正补偿,对后一相绕组的转矩分配函数不做处理; 在换相的结束阶段,对后一相绕组的转矩分配函数实现在线负补偿,对前一相绕组转矩分配函数不做处理,从而实现电机在换相阶段总转矩脉动的抑制。为了验证该策略的可行性和有效性,以一台 750 W、三相12 /8 极开关磁阻电机为控制对象进行仿真和实验,结果证实了提出的方案可以有效地抑制转矩脉动。
Abstract:
 For switched reluctance motors ( SRMs),the torque ripple is severe in the commutation regiondue to the torque characteristic,voltage limitation and speed rise. In order to suppress the torque ripple,adirect instantaneous torque control ( DITC ) method based on the online modification of torque sharingfunction( TSF) is proposed. The TSF of the outgoing phase was used to realize positive compensation atthe start of the commutation,and the TSF of the incoming phase was used to achieve negative compensa-tion at the end of the commutation. In order to verify the effectiveness and viability of the proposed TSFmethod,the simulation and experiments based on a 750 W,three-phase 12 /8-pole SRM were carried out.The results show that the proposed scheme can reduce the torque ripple effectively.Keywords:switched reluctance motors; torque sharing function; torque ripple; online modification

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期: 2016 - 04 - 07
基金项目: 国家高技术研究发展计划( 863 计划) ( 2011AA11A101)
作者简介: 吴建华( 1963—) ,男,博士,教授,研究方向为现代电机 CAD、开关磁阻电机及永磁电机、电机噪声振动抑制;
孙庆国( 1991—) ,男,博士研究生,研究方向为开关磁阻电机及其控制。
更新日期/Last Update: 2018-03-19