基于GRNN-PSO的新型多端口盘式电机电磁结构优化

doi:10.13229/j.cnki.jdxbgxb.20240404

Abstract

Abstract:

To address the issue of a single output port in traditional motors， a novel multi-port disc-type permanent magnet motor （MDPMM） was proposed. First， the structure and working principle of this motor is introduced. Second， the impact of the positioning force of the ring-arc stator on thrust was analyzed and calculated. Due to the numerous electromagnetic structural parameters affecting the positioning force， a generalized regression neural network （GRNN） was designd to establish a rapid calculation model for the MDPMM. By constructing a finite element model of the ring-arc stator region， a parameter sample library was obtained as input for the GRNN. The superiority of GRNN is verified by comparing it with support vector machines （SVM）. With the optimization objective of "no reduction of thrust density and minimum fluctuation of thrust" ， the particle swarm optimization（PSO）algorithm is used to optimize the structural parameters of the ring-arc stator region. Finally， the effectiveness of the hybrid GRNN-PSO algorithm is validated through comparative simulation analysis before and after optimization.

Key words: multi-port disk permanent magnet motor, thrust ripples, generalised regression neural network, particle swarm optimisation

CLC Number:

TM351

Xin LIU,Yi-guo FAN. Optimization of electromagnetic structure of new multi⁃port disk motor based on GRNN⁃PSO[J].Journal of Jilin University(Engineering and Technology Edition), 2025, 55(12): 3822-3830.

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References 19

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参数	最小值	最大值
辅助齿的齿厚D/mm	3	5
辅助齿的齿高H/mm	13	15
极距τ_p/mm	9.75	12
永磁体厚度h_m/mm	3	5
气隙高度δ/mm	0.5	1.5

参数	水平1	水平2	水平3
D/mm	3	4.5	5
H/mm	13	14	15
τ_p/mm	9.75	10.875	12
h_m/mm	3	4.5	5
δ/mm	0.5	1	1.5

序号	环形弧线定子设计参数					输出性能
序号	H/mm	D/mm	δ/mm	h_m/mm	τ_p/mm	F/N	γ/N
1	15	3	0.5	3	9.75	95.35	12.35
2	15	4.5	0.5	3	9.75	93.03	31.19
3	15	5	0.5	3	9.75	92.92	36.09
?	?	?	?	?	?	?	?
160	13	3	1.5	5	12	110.71	18.84
161	13	4.5	1.5	5	12	110.87	8.00
162	13	5	1.5	5	12	110.95	5.62

参数	优化前	GRNN-PSO优化后	RSM优化后
D/mm	5	4.87	3.92
H/mm	15	13.27	13.57
τ_p/mm	12	10.58	11.99
h_m/mm	5	3.37	3.91
δ/mm	0.5	0.93	0.77

Optimization of electromagnetic structure of new multi⁃port disk motor based on GRNN⁃PSO

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[1]	Dong-hui WEI,Ai-ting WANG,Jing-hong JI,Jun-long FANG. Adaptive fuzzy fractional⁃order sliding mode precise motion control of permanent magnet linear synchronous motor [J]. Journal of Jilin University(Engineering and Technology Edition), 2021, 51(6): 2295-2303.
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[5]	WANG Yan-min, WANG Chang-hong,FENG Yong. Sliding mode control of permanent magnet synchronous motor with inverter dead-time compensation [J]. 吉林大学学报(工学版), 2010, 40(04): 1096-1101.