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磁浮列车的结构参数、磁场分布关系到磁体斥力、效率和可靠性,因此有必要对磁体的整体结构分布、磁极数、磁体厚度、气隙等参数及其构成的磁场进行深入研究。基于磁路设计的基本原理,本文采用MATLAB、ANSYS软件,探讨永磁悬浮电磁导向磁浮列车的磁场分布及其大小的影响因素,分别研究永磁场的二维平面分布和三维立体分布,通过磁场分析、建模,对其磁场进行数值计算。结果表明,采用本文数值仿真方法计算的气隙内磁感应强度及其磁力线分布,为最终确定磁浮列车的稳定悬浮间隙大小提供重要数据。
The structural parameters and magnetic field distribution of the maglev train are related to the repulsive force, efficiency and reliability of the magnet. Therefore, it is necessary to make an in-depth study of the overall structure of the magnet, the number of poles, the thickness of the magnet, the air gap and other magnetic fields. Based on the basic principle of magnetic circuit design, this paper uses MATLAB and ANSYS software to study the magnetic field distribution and its influencing factors of permanent magnet-levitation magnetically steerable maglev train. The two-dimensional planar distribution and three-dimensional distribution of permanent magnet field are studied respectively. Modeling, the numerical calculation of its magnetic field. The results show that the magnetic flux density and its distribution of magnetic flux in the air gap calculated by the numerical simulation method provided important data for the final determination of the stable levitation gap size of the maglev train.