|本期目录/Table of Contents|

[1]牛峰,李奎,王尧.永磁同步电机模型预测直接转矩控制[J].电机与控制学报,2015,19(12):60-67.[doi:10. 15938 /j. emc. 2015. 12. 009]
 NIU Feng,LI Kui,WANG Yao.Model predictive direct torque control for permanent magnet synchronous machines [J].,2015,19(12):60-67.[doi:10. 15938 /j. emc. 2015. 12. 009]
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永磁同步电机模型预测直接转矩控制(PDF)
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
19
期数:
2015年12
页码:
60-67
栏目:
出版日期:
2015-12-31

文章信息/Info

Title:
Model predictive direct torque control for permanent magnet synchronous machines

作者:
 牛峰 李奎 王尧
  ( 河北工业大学 电磁场与电器可靠性省部共建重点实验室,天津 300130)
Author(s):
 NIU Feng LI Kui WANG Yao
 ( Province-Ministry Joint Key Lab of Electromagnetic Field and Electrical Apparatus Reliability,Hebei University of Technology,Tianjin 300130,China)
关键词:
模型预测控制 永磁同步电机 直接转矩控制 性能指标函数 开关频率
Keywords:
model predictive control permanent magnet synchronous machine direct torque control per-formance evaluation function switching frequency
分类号:
TM 351
DOI:
10. 15938 /j. emc. 2015. 12. 009
文献标志码:
A
摘要:
 针对传统直接转矩控制方法转矩和定子磁链脉动大的问题,提出基于性能指标评估函数的 永磁同步电机模型预测直接转矩控制,在 dq 旋转坐标系下建立内埋式永磁同步电机预测模型,阐述模型预测控制方法具体实施过程,提出可实现不同控制目标的权重系数可调的性能指标评估函数,并以评估结果为依据选取最优电压矢量,同时与传统直接转矩控制进行详细比较。实验结果表 明,所提出的模型预测直接转矩控制优于传统直接转矩控制,可以有效地抑制转矩和定子磁链脉 动,同时降低逆变器开关频率,减小开关损耗,并可以通过调节权重系数控制电机运行状态,验证了 该方法的可行性和有效性。
Abstract:
 Aiming at reducing torque and stator flux ripple of conventional direct torque control ( DTC) ,a novel model predictive direct torque control ( MPDTC) strategy was proposed for permanent magnet syn-chronous machines ( PMSMs) based on performance evaluation function. Firstly,prediction model of PMSM was established in the synchronous rotating frame. Secondly,the detailed prediction process was illustrated and the performance evaluation function was presented for the optimal voltage vector selection to achieve different control objectives by tuning the weighting coefficients. Finally,the comprehensive comparison between MPDTC and DTC was carried out. The experimental results show that the proposed MPDTC scheme presents a better performance than conventional DTC both on torque ripple reduction and stator flux ripple reduction,and the switching frequency of the voltage source inverter ( VSI) is reduced to consume less power. Additionally,different machine operation status can be achieved through tuning the weighting coefficients of the performance evaluation function.

参考文献/References:

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备注/Memo

备注/Memo:
 收稿日期: 2014 - 05 - 31
基金项目: 河北省高等学校创新团队领军人才培育计划( LJRC003) ; 国家留学基金( 201206700002)
作者简介: 牛 峰( 1986—) ,男,博士研究生,研究方向为电机控制与电器智能化;
李 奎( 1965—) ,男,教授,博士生导师,研究方向为电器检测与可靠性技术、电器智能化;
王 尧( 1981—) ,男,讲师,研究方向为电器智能化。
更新日期/Last Update: 2016-03-17