Discusses the interval between laminations in a permanent magnet inductor motor which makes the air gap magnetic field produced by the permanent magnet very uneven in the axial direction, and limits the performance of...Discusses the interval between laminations in a permanent magnet inductor motor which makes the air gap magnetic field produced by the permanent magnet very uneven in the axial direction, and limits the performance of a motor. Proposes a hybrid magnetic circuit multi couple motor to compensate for the uneven air gap magnetic field, thereby improving the performance of a motor.展开更多
针对智能装备系统直线与旋转两自由度驱动需求,提出定子励磁型混合磁路直线旋转永磁(statorexcitedhybrid magnetic circuit linear and rotary permanent magnet,SEHMCLRPM)电机,采用轴向和径向双凸极齿结构,轴向直线运动与径向旋转运...针对智能装备系统直线与旋转两自由度驱动需求,提出定子励磁型混合磁路直线旋转永磁(statorexcitedhybrid magnetic circuit linear and rotary permanent magnet,SEHMCLRPM)电机,采用轴向和径向双凸极齿结构,轴向直线运动与径向旋转运动磁场共用定、转子磁路。永磁体设置在定子上,动子上既无绕组也无永磁体,动子结构简单坚固,重量轻,具有转矩惯量比高、动态响应速度快、可靠性高等特点;定子同时设置有直线与旋转两套绕组,直线和旋转运动控制独立,降低两自由度驱动控制的复杂度。分析该类电机的运行原理和结构特点,探讨混合磁路特征,构建该类SEHMC-LRPM电机的解耦等效磁路模型,实现该类电机的磁路设计。在此基础上,基于3D有限元方法分析混合磁路与两自由度耦合磁场,揭示两自由度磁场与电机磁场分布、空载和负载特性的关系。最后,加工制造样机,并进行实验研究,验证该电机结构的有效性和理论分析的正确性。展开更多
文摘Discusses the interval between laminations in a permanent magnet inductor motor which makes the air gap magnetic field produced by the permanent magnet very uneven in the axial direction, and limits the performance of a motor. Proposes a hybrid magnetic circuit multi couple motor to compensate for the uneven air gap magnetic field, thereby improving the performance of a motor.
文摘针对智能装备系统直线与旋转两自由度驱动需求,提出定子励磁型混合磁路直线旋转永磁(statorexcitedhybrid magnetic circuit linear and rotary permanent magnet,SEHMCLRPM)电机,采用轴向和径向双凸极齿结构,轴向直线运动与径向旋转运动磁场共用定、转子磁路。永磁体设置在定子上,动子上既无绕组也无永磁体,动子结构简单坚固,重量轻,具有转矩惯量比高、动态响应速度快、可靠性高等特点;定子同时设置有直线与旋转两套绕组,直线和旋转运动控制独立,降低两自由度驱动控制的复杂度。分析该类电机的运行原理和结构特点,探讨混合磁路特征,构建该类SEHMC-LRPM电机的解耦等效磁路模型,实现该类电机的磁路设计。在此基础上,基于3D有限元方法分析混合磁路与两自由度耦合磁场,揭示两自由度磁场与电机磁场分布、空载和负载特性的关系。最后,加工制造样机,并进行实验研究,验证该电机结构的有效性和理论分析的正确性。