| 磁悬浮永磁直线同步电动机的有限元分析 |
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| 引用本文： | 蓝益鹏,李成军.磁悬浮永磁直线同步电动机的有限元分析[J].沈阳工业大学学报,2010,32(6):606-610. |
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| 作者姓名： | 蓝益鹏 李成军 |
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| 作者单位： | 沈阳工业大学电气工程学院; |
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| 基金项目： | 国家自然科学基金资助项目(50975181) |
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| 摘 要： | 针对数控机床直线电动机驱动系统中动子与导轨之间的摩擦问题，提出采用直接磁悬浮永磁直线同步电动机实现无摩擦进给的方法.该电动机的动子上有两套绕组，一套为推力绕组，用于产生电磁推力；另一套为悬浮绕组，用于产生可控的磁悬浮力.采用Maxwell应力张量法推导了电动机的电磁推力和悬浮力的数学模型，并采用Ansoft对不同永磁材料电动机的电磁推力和磁悬浮力进行有限元分析.计算结果验证了数学模型的正确性，证明了采用磁悬浮双绕组永磁同步电动机实现无摩擦进给的可行性.
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| 关 键 词： | 直线驱动 磁悬浮永磁直线同步电动机 双绕组 电磁推力 磁悬浮力 应力张量法 有限元分析 无摩擦进给 |
Finite element analysis of magnetic levitation permanent magnet linear synchronous motor |
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| LAN Yi-peng,LI Cheng-jun.Finite element analysis of magnetic levitation permanent magnet linear synchronous motor[J].Journal of Shenyang University of Technology,2010,32(6):606-610. |
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| Authors: | LAN Yi-peng LI Cheng-jun |
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| Affiliation: | LAN Yi-peng,LI Cheng-jun(School of Electrical Engineering,Shenyang University of Technology,Shenyang 110870,China) |
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| Abstract: | For the problem of the friction between the mover and static guide rail in the linear motor drive system of CNC machine tool,the friction-free feed method using direct magnetic levitation permanent magnet linear synchronous motor was presented.The mover of the motor contains two sets of windings.One is the thrust winding to generate the electromagnetic thrust,and the other is the levitation winding to generate the magnetic levitation force.The mathematical models of the motor electromagnetic thrust and levi... |
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| Keywords: | linear drive levitation permanent magnet linear synchronous motor dual winding electromagnetic thrust levitation force stress tensor method finite element analysis friction-free feeding |
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