文章摘要
侯天阳,李明.软磁复合材料推力磁轴承的优化设计研究[J].机床与液压,2021,49(2):60-65.
HOU Tianyang,LI Ming.Optimum Design of Thrust Magnetic Bearing with Soft Magnetic Composite Material[J].Machine Tool & Hydraulics,2021,49(2):60-65
软磁复合材料推力磁轴承的优化设计研究
Optimum Design of Thrust Magnetic Bearing with Soft Magnetic Composite Material
  
DOI:10.3969/j.issn.1001-3881.2021.02.13
中文关键词: 电磁轴承  结构优化  电磁场有限元分析
英文关键词: Magnetic bearing  Structure optimization  Electromagnetic field finite element analysis
基金项目:国家自然科学基金项目(11372245);陕西省自然科学基金重点项目(2018JZ1001)
作者单位E-mail
侯天阳 西安科技大学机械工程学院 1050628061@qq.com 
李明 西安科技大学理学院  
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中文摘要:
      推力磁轴承是磁悬浮系统的重要组成部分,主要用于控制转子的轴向位移。设计获得质量轻巧、损耗较低、性能良好的推力磁轴承是工程中追求的目标。在考虑轴承承载力、温升及磁密限制等约束情况下建立了寻求轴承最优质量的目标函数,利用相应的求解方法获得了轴承的最优结构参数。同时对优化模型进行了有限元分析,得到不同频率下气隙磁密、涡流损耗等参数,揭示了不同工作条件下涡流的影响程度。
英文摘要:
      Thrust magnetic bearing is an important part of magnetic suspension system, which is mainly used to control the axial displacement of the rotor. Designing thrust magnetic bearings with lightweight, low loss and good performance is the goal of engineering.The objective function was established to find the optimal quality of bearings under the constraints of bearing capacity, temperature rise and magnetic density limitation. The optimal structural parameters of bearings were obtained by using corresponding solving method. At the same time, the optimization model was analyzed by using finite element method. The parameters of air gap magnetic density and eddy current loss were obtained at different frequencies, and the influence degree of eddy current under different working conditions was revealed
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