[1]李红伟,罗华林.一种开关磁阻电机转矩分配优化控制策略[J].郑州大学学报(工学版),2025,46(01):126-132.[doi:10.13705/j.issn.1671-6833.2025.01.008]
　LI Hongwei,LUO Hualin.A Torque Sharing Optimization Control Strategy for Switched Reluctance Motors[J].Journal of Zhengzhou University (Engineering Science),2025,46(01):126-132.[doi:10.13705/j.issn.1671-6833.2025.01.008]
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一种开关磁阻电机转矩分配优化控制策略()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
46
期数:
2025年01期
页码:
126-132
栏目:
出版日期:
2024-12-23

文章信息/Info

Title:
A Torque Sharing Optimization Control Strategy for Switched Reluctance Motors
文章编号:
1671-6833(2025)01-0126-07
作者:
李红伟1; 2;  罗华林1
1.西南石油大学 电气信息学院,四川 成都 610500;2.成都智创利源科技有限公司,四川 成都 611730
Author(s):
LI Hongwei1; 2 ;  LUO Hualin1
1.School of Electrical Engineering and Information, Southwest Petroleum University, Chengdu 610500, China; 2.Chengdu Zhichuang Liyuan Technology Co., Ltd., Chengdu 611730, China
关键词:
开关磁阻电机;  转矩分配函数;  转矩补偿;  双关断角;  转矩脉动
Keywords:
SRM;  torque sharing function;  torque compensation;  double-off-angle;  torque ripple
分类号:
TM301.2TM352
DOI:
10.13705/j.issn.1671-6833.2025.01.008
文献标志码:
A
摘要:
针对开关磁阻电机存在转矩脉动较大的问题,通过对传统余弦型转矩分配函数进行改进,提出一种开关磁阻电机补偿型余弦转矩分配优化控制策略。根据总转矩与期望转矩的稳态偏差,引入傅里叶逼近曲线,对分配转矩进行补偿,并采用双关断角的功率变换电路驱动控制,进行零电压续流,提高实际转矩对分配转矩的跟踪能力。为获得更好的控制性能,进一步采用遗传算法,以降低转矩脉动和铜损为目标,对控制参数进行了全局寻优。以1台四相8/6极开关磁阻电机为控制对象进行建模仿真,来验证所提策略的有效性。结果表明:与传统余弦型转矩分配控制相比,所提改进控制策略提升了电机在不同转速下的性能,转矩脉动降低最高达68.89%,均方根电流减小最高达11.74%。
Abstract:
Aiming at the problem of larger torque ripple of switched reluctance motors, a compensation cosine torque sharing optimization control strategy for switched reluctance motors was proposed by improving the traditional cosine torque sharing function. Based on the steady-state deviation between the actual torque and the desired torque, the proposed method introduced a Fourier approximation curve to compensate the distributed torque. A power conversion circuit with double-off-angle drive control was used to achieve zero-voltage freewheeling and improve the tracking ability of the actual torque to the distributed torque. To obtain better control performance, a genetic algorithm was further used to globally optimize the control parameters with the goal of reducing torque ripple and copper loss. A four-phase 8/6 pole switched reluctance motor was modeled and simulated to verify the effectiveness of the proposed strategy. The results showed that compared with the traditional cosine torque sharing control, the proposed control strategy could improve the performance of the motor at different speeds, with torque ripple decreased by up to 68.89% and root mean square current reduced by up to 11.74%.

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更新日期/Last Update: 2024-12-31