电工技术学报  2019, Vol. 34 Issue (23): 4939-4947    DOI: 10.19595/j.cnki.1000-6753.tces.181530
电机与电器 |
无轴承无刷直流电机悬浮控制特性优化分析
仇志坚1,2, 马东旭2, 魏康妮2
1. 上海市电站自动化技术重点实验室 上海 200444;
2. 上海大学机电工程与自动化学院自动化系 上海 200444
Optimization Analysis on Suspension Control Characteristics of a Bearingless Brushless DC Motor
Qiu Zhijian1,2, Ma Dongxu2, Wei Kangni2
1. Shanghai Key Laboratory of Power Station Automation Technology Shanghai 200444 China;
2. School of Mechanical and Electrical Engineering and Automation Shanghai University Shanghai 200444 China
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摘要 针对传统无轴承无刷直流电机悬浮绕组控制方法存在的悬浮力脉动问题,该文首先在悬浮绕组导通相确定原则的基础上,分析推导不同齿槽边界条件下的八种悬浮绕组导通规律。然后运用有限元软件基于悬浮力脉动进行对比分析,获得最优悬浮导通规律。最后通过气隙磁通密度波形分析转矩绕组加载对悬浮力脉动的影响,进一步优化悬浮绕组导通区间,为无轴承无刷直流电机的悬浮优化控制提供了理论支持。
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关键词 无轴承电机有限元分析悬浮力脉动无刷直流电机    
Abstract:Aiming at problems of suspension force ripple in the suspension windings control methods of bearingless brushless direct current motors(BBOCM), eight kinds of conduction rules under different boundary conditions are deduced based on the principle of determining the conduction phase of suspension windings. Then, suspension force ripples of these rules are compared and analyzed with the FEA software to obtain the optimal suspension conduction rule. Finally, the influence of torque winding loading on suspension force ripple is analyzed by using air gap magnetic density waveforms. And conduction intervals of suspension windings are further optimized, which provides theoretical support for suspension optimization control methods of bearingless brushless DC motors.
Key wordsBearingless motor    finite element analysis    suspension force ripple    brushless DC motor   
收稿日期: 2018-09-14      出版日期: 2019-12-11
PACS: TM351  
通讯作者: 马东旭 女,1994年生,硕士研究生,研究方向为无轴承电机。E-mail:ashely_ma@shu.edu.cn   
作者简介: 仇志坚 男,1977年生,副教授,硕士生导师,研究方向为无轴承电机。E-mail:qiuzhijian@shu.edu.cn
引用本文:   
仇志坚, 马东旭, 魏康妮. 无轴承无刷直流电机悬浮控制特性优化分析[J]. 电工技术学报, 2019, 34(23): 4939-4947. Qiu Zhijian, Ma Dongxu, Wei Kangni. Optimization Analysis on Suspension Control Characteristics of a Bearingless Brushless DC Motor. Transactions of China Electrotechnical Society, 2019, 34(23): 4939-4947.
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