[1]李玉凯,吴影生,胡欲立.新型Halbach阵列永磁屏蔽电机设计与优化研究[J].微电机,2023,56(12):1-8.
　LI Yukai,WU Yingsheng,HU Yuli.Design and Optimization of a Novel Canned Halbach Array Permanent-magnet Motor[J].MICROMOTORS,2023,56(12):1-8.

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新型Halbach阵列永磁屏蔽电机设计与优化研究

《微电机》[ISSN:1006-6977/CN:61-1281/TN] 卷: 56卷期数: 2023年12期页码: 1-8 栏目: 设计与研究出版日期: 2024-01-28

Title:: Design and Optimization of a Novel Canned Halbach Array Permanent-magnet Motor

作者:: 李玉凯，吴影生，胡欲立; （1. 中国电子科技集团公司第三十八研究所，合肥 230088；2. 西北工业大学航海学院，西安 710072）

Author(s):: LI Yukai,WU Yingsheng,HU Yuli

关键词:: 水下推进; Halbach阵列; 永磁屏蔽电机; 电磁转矩; 优化设计

Keywords:: underwater propulsion; Halbach array; canned permanent-magnet motor; electromagnetic torque; optimal design

文献标志码:: A

摘要:: 为简化水下推进电机结构、提高可靠性，本文设计了一款新型Halbach阵列永磁屏蔽电机，采用集中绕组和Halbach永磁阵列，利用屏蔽层结构彻底解决输出轴动密封问题。为获得该型电机的最佳电磁转矩性能，以一款10极12槽Halbach阵列永磁屏蔽电机为例，建立48个二维有限元仿真模型，分析了槽口宽度和主磁极占比对其电磁转矩的影响。基于BP神经网络得到描述平均电磁转矩与主磁极占比、槽口宽度函数关系的响应面模型，并通过遗传算法寻优得到最优槽口宽度和主磁极占比组合。相比于初始设计模型，优化设计后电机平均电磁转矩提高7.26%。样机实验表明，本文设计的1 kW水下推进用Halbach阵列永磁屏蔽电机的额定工作效率约为89%，验证了该型电机设计与优化方法的可行性。

Abstract:: In order to simplify the structure and improve reliability of the underwater propulsion motor, a novel canned Halbach array permanent-magnet (PM) motor for underwater propulsion was proposed in this paper. The motor adopted a concentrated winding and Halbach array permanent magnets, and used the shielding layer structure to completely solve the dynamic sealing of the output shaft.To obtain the optimal electromagnetic torque of the motor, a 12 slot/10 pole canned Halbach array PM motor was taken as an example, 48 transient 2D numerical models are established to study the effects of the slot opening width and main magnetic pole ratio on the electromagnetic torque. Then, based on the BP neural network, the response surface model describing the functional relationship between the average electromagnetic torque and the main magnetic pole ratio and slot opening width was established, and the optimal value of design parameters of the canned Halbach array PM motor was obtained by genetic algorithm (GA). The average electromagnetic torque of the optimized model is improved by 7.26% compared with the initial design. The prototype experiment shows that the rated working efficiency of the 1 kW canned Halbach array PM motor is approximately 89%, which verifies the feasibility of the novel motor structure and optimization design method.

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[1]陈豪,李建贵,郝诚,等.聚磁型永磁游标容错电机研究[J].微电机,2021,54(01):5.
　CHEN Hao,LI Jiangui,HAO Cheng,et al.Research of A Spoke Array Permanent Magnet Vernier Fault-tolerant Machine[J].MICROMOTORS,2021,54(12):5.
[2]李胜,石利俊,周荣川,等.基于Halbach阵列的无槽直流伺服电机电磁设计[J].微电机,2021,54(07):108.
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更新日期/Last Update: 2023-12-28