| 双极永磁球形电动机的电磁模型及磁场分析 |
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| 引用本文： | 王群京,吴立建,李川奇,李争.双极永磁球形电动机的电磁模型及磁场分析[J].中国科学技术大学学报,2004,34(4):480-486,510. |
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| 作者姓名： | 王群京 吴立建 李川奇 李争 |
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| 作者单位： | 1. 合肥工业大学电气工程与自动化学院,合肥,230009
2. 中国科学技术大学精密机械及精密仪器系,合肥,230026 |
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| 基金项目： | 国家自然科学基金资助项目 (5 0 3770 10 )，安徽省自然科学基金资助项目 (0 30 4 4 10 3) |
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| 摘 要： | 分析了双极永磁球形电机的电磁关系，将不对称绕组折算为对称绕组，建立了电机的电磁模型：电压方程式、磁链方程式和电磁转矩方程式．表明在dqp系中该电机内部电磁关系易于解耦，容易实现对转子位置的控制．并用三维有限元方法分析和计算了该电机的磁场．所得结果表明，电机内部磁场基本正弦分布，电磁模型建立方法正确．
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| 关 键 词： | 永磁球形电动机 永磁 电磁模型 三维有限元分析 |
| 文章编号： | 0253-2778(2004)04-0480-07 |
An Analysis of the Two-Pole PM Spherical Motor and Its Magnetic Field |
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| WANG Qun-jing ,WU Li-jian ,LI Chuan-qi ,LI Zheng.An Analysis of the Two-Pole PM Spherical Motor and Its Magnetic Field[J].Journal of University of Science and Technology of China,2004,34(4):480-486,510. |
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| Authors: | WANG Qun-jing WU Li-jian LI Chuan-qi LI Zheng |
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| Institution: | WANG Qun-jing 1,WU Li-jian 1,LI Chuan-qi 2,LI Zheng 1 |
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| Abstract: | This paper addresses the electromagnetic relationship and the electromagnetic model, which includes voltage equations, flux linkage equations, and electro-magnetic torque expressions, of the two-pole permanent magnetic spherical motor. The model shows that the electro-magnetic coupling relationship inside the two-pole PM spherical motor is simple and that the torque of the motor is easy to control. The paper also analyzes the magnetic field of the motor by 3D FEM method. The result confirms the sine distribution of the field and the modeling method. |
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| Keywords: | spherical motor permanent magnet electro-magnetic model 3D FEM Analysis |
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