| 王晨,黄金霖.基于响应面法的定子永磁型轴向磁通切换电机齿槽转矩优化设计[J].电子测量与仪器学报,2017,31(7):1144-1151 |
| 基于响应面法的定子永磁型轴向磁通切换电机齿槽转矩优化设计 |
| Optimization design of cogging torque in stator permanent magnet type axial flux switching motor based on response surface method |
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| DOI：10.13382/j.jemi.2017.07.022 |
| 中文关键词: 磁通切换 齿槽转矩 响应面法 优化分析 三维有限元. |
| 英文关键词:flux switching cogging torque RSM optimization 3D finite element |
| 基金项目:国家自然科学基金（51267006）、安徽省自然科学重点研究项目（KJ2016A128）、安徽机电职业技术学院院级重点自然科学研究项目（2016yjzr019）资助 |
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| 中文摘要: |
| 针对聚磁反应造成定子永磁型轴向磁通切换电机（SPAFFSPM）的齿槽转矩偏大、噪声大等问题。以减小定子永磁型轴向磁通切换型电机的齿槽转矩，提高电机的输出性能为目标，利用能量摄动法推导出电机的齿槽转矩解析表达式，分析影响齿槽转矩的定转子结构参数。基于响应面法与有限元法构造出定子槽弧宽、转子齿倾斜角及永磁体形状系数与齿槽转矩之间的响应面数学模型，推导出使齿槽转矩最小的定子槽弧宽、转子齿倾斜角及永磁体形状系数最优组合。最后建立优化前后电机三维有限元分析模型，搭建样机的实验平台，验证优化方法的合理性及准确性。结果表明，优化后的电机齿槽转矩减小约825%，且电机的输出性能得到明显提高。 |
| 英文摘要: |
| The cogging torque in stator permanent magnets of axial field flux switching permanent magnet motor (SPAFFSPM) is too large and with high noise due to the flux focusing. In order to reduce the cogging torque and improve the motors output performance, an analytic expression of the cogging torque of motor is deduced by energy perturbation method to analyze the parameters of stator and rotor structure. Based on the response surface methodology (RSM) and FEM, the response surface numerical model about stator slot width, rotor tooth inclination angle and shape factor of permanent magnet with cogging torque is obtained, then the optimal combination of the cogging torque with stator slot width, rotor tooth inclination angle and shape factor of permanent magnet is deduced. The accuracy of the analysis is examined by the 3D finite element and prototype of the experimental platform. |
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