非均匀Halbach阵列外转子永磁同步电机分析与优化

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关键词：非均匀Halbach阵列；外转子永磁同步电机；分层优化；多目标优化；樽海鞘优化算法DOI：10.15938/j. jhust.2025.04.007中图分类号：TM351 文献标志码：A 文章编号：1007-2683（2025）04-0058-13

Analysis and Optimization of Outer-Rotor Permanent Magnet Synchronous Motor with Non-uniform Halbach Array

LU Pin，MA Haotian， SU Xunwen， XU Donghui， LIU Ziyang，LIU Lulu （School ofElectricaland ControlEnginering，Heilongjiang Universityof ScienceandTechnology，Harbin15O22，China）

Abstract：Inordertofurther improvethetorque densityof thebeltconveyor drivemotor，this paper proposesathre-stage nonuniformHalbachmagnetizedouterrotorpermanentmagnetsynchronousmotorstructureandoptimizesit.Firstly，thefiniteelement modelisestablishedtoanalyetheelectromagneticcharacteristicsofthemotorandverifythesuperiortyoftheproposedstructure. Secondly，theSeanoelatioofteametersisulateddeprameesreatifdForeist-aerste improvedsalpswarmoptimizationalgoithmisadoptedforult-jectiveoptimzation，whiletescond-layerparametersaretiied viaparameterscaning.Finall，simulationexperimentsaeoductedtoverifyteefectivenssoftheoptizationTeexptal resultsshowthat，comparedwiththetraditionalouter-rotorpemanentmagnetsynchronousmotor，theproposednon-uniformHalbach array outer-rotor permanent magnet synchronous motor，with an 8.49% reduction in the amount of permanent magnets，achieves a 3.86% increase in torque density，a 4.54% rise in the fundamental amplitude of no-load back electromotive force，a 40，42% （20 decrease in harmonic distortion rate，and reductions of 61.59% and 62.18% in torque ripple and cogging torque，respectively， significantly enhancing themotor's electromagneticperformance.

Keywords：non-unifor Halbacharray；externalrotor permanentmagnetsynchronous motor;layeredoptimization；multi-objectiv optimization； salp swarm optimization algorithm

0 引言

永磁同步电机以其高效率、高功率密度、运行可靠和维护简单等优势，广泛应用于各个领域[1-4]。（剩余14660字）