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辅助极一体式永磁同步直线电机端部定位力抑制技术

, PP. 106-113

Keywords: 永磁同步直线电机,辅助极,定位力,端部效应

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Abstract:

为了抑制永磁同步直线电机的端部定位力,提出一种辅助极一体式永磁同步直线电机(AuxiliaryPoles-PermanentMagnetLinearSynchronousMotor,AP-PMLSM),具有端部定位力小、结构强度高、加工制造简单等特点。基于侧向力方法对AP-PMLSM的端部定位力进行解析,推导出使AP-PMLSM端部定位力达到极小值时的辅助极位置和辅助极宽度的表达式。建立了14极12槽AP-PMLSM的有限元模型,有限元仿真结果与解析结果基本一致,验证了理论分析的正确性。

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