双转子永磁同步电机模型预测转矩控制

doi:1004-7018（2020）02-0038-04

微特电机 ›› 2020, Vol. 48 ›› Issue (2): 38-41.doi: 1004-7018（2020）02-0038-04

双转子永磁同步电机模型预测转矩控制

钟义长^1,²,刘婷¹,谢卫才¹,罗宣怡¹

^1. 湖南工程学院电气与信息工程学院,湘潭 411104
^2. 风力发电机组及控制湖南省重点实验室,湘潭 411104

收稿日期:2019-08-16 出版日期:2020-02-28 发布日期:2020-02-28
作者简介:钟义长（1975—）,男,博士,研究方向为电机控制。
基金资助:
湖南教育厅资助项目(18C0720);湖南教育厅资助项目(18A348)

Model Predictive Torque Control of Permanent Magnet Synchronous Motor with Dual Rotors

ZHONG Yi-chang^1,²,LIU Ting¹,XIE Wei-cai¹,LUO Xuan-yi¹

^1. School of Electrical and Information Engineering, Hunan Institute of Engineering, Xiangtan 411104, China
^2. Hunan Provincial Key Laboratory of Wind Generator and Its Control, Xiangtan 411104, China

Received:2019-08-16 Online:2020-02-28 Published:2020-02-28

摘要/Abstract

摘要：

为了减少传统模型预测转矩控制（MPTC）计算复杂、权重因子选择对最优矢量的选取影响较大等问题,研究了一种改进的控制方法。该方法利用转矩与磁链对双转子永磁电机的参考电压矢量进行了预测,并通过对参考电压矢量所在扇区的判断将备选矢量由传统的7个减至2个,减少了计算量;同时,构建了无权重因子的电压目标函数,进一步提高了系统的运算能力。仿真与实验表明,采用改进的MPTC控制时,双转子永磁电机系统转速波动会有所减少,验证了控制方法的有效性与可行性。

关键词: 双转子永磁同步电机, 模型预测转矩控制, 参考电压矢量, 目标函数, 权重因子

Abstract:

An improved control method was studied in order to reduce the computational complexity and eliminate the influence of weighting factor for the optimal voltage vector in the traditional model predictive torque control （MPTC）. The method used the torque and flux linkage to predict the reference voltage vector, and the sector where the reference voltage vector was located can be used to select the candidate vector, which can reduce the number of predictions from seven to two. At the same time, the voltage objective function without weighting factor was constructed, which further improved the computing performance. Simulation and experiments showed that the speed fluctuation of the motor system was reduced when the improved MPTC control was used, which verified the effectiveness and feasibility of the control method.

Key words: permanent magnet synchronous motor with dual rotors, model predictive torque control, reference voltage vector, objective function, weighting factor

中图分类号:

TM351

钟义长,刘婷,谢卫才,罗宣怡. 双转子永磁同步电机模型预测转矩控制[J]. 微特电机, 2020, 48(2): 38-41.

ZHONG Yi-chang,LIU Ting,XIE Wei-cai,LUO Xuan-yi. Model Predictive Torque Control of Permanent Magnet Synchronous Motor with Dual Rotors[J]. Small & Special Electrical Machines, 2020, 48(2): 38-41.

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双转子永磁同步电机模型预测转矩控制

Model Predictive Torque Control of Permanent Magnet Synchronous Motor with Dual Rotors

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