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五位姿参数下车载永磁体与永磁轨道之间的磁力特性研究

赵春发 刘浩东 冯洋 罗世辉 宋小林

赵春发, 刘浩东, 冯洋, 罗世辉, 宋小林. 五位姿参数下车载永磁体与永磁轨道之间的磁力特性研究[J]. 西南交通大学学报. doi: 10.3969/j.issn.0258-2724.20240049
引用本文: 赵春发, 刘浩东, 冯洋, 罗世辉, 宋小林. 五位姿参数下车载永磁体与永磁轨道之间的磁力特性研究[J]. 西南交通大学学报. doi: 10.3969/j.issn.0258-2724.20240049
ZHAO Chunfa, LIU Haodong, FENG Yang, LUO Shihui, SONG Xiaolin. Magnetic Force Characteristics between On-Board Permanent Magnet and Permanent Magnetic Rail Considering Five Pose Parameters[J]. Journal of Southwest Jiaotong University. doi: 10.3969/j.issn.0258-2724.20240049
Citation: ZHAO Chunfa, LIU Haodong, FENG Yang, LUO Shihui, SONG Xiaolin. Magnetic Force Characteristics between On-Board Permanent Magnet and Permanent Magnetic Rail Considering Five Pose Parameters[J]. Journal of Southwest Jiaotong University. doi: 10.3969/j.issn.0258-2724.20240049

五位姿参数下车载永磁体与永磁轨道之间的磁力特性研究

doi: 10.3969/j.issn.0258-2724.20240049
基金项目: 国家重点研发计划(2023YFB4302100);国家自然科学基金(52172375)
详细信息
    作者简介:

    赵春发,(1973—),男,研究员,博士,研究方向为轨道交通系统动力学,E-mail:cfzhao@swjtu.edu.cn

    通讯作者:

    冯洋(1991—),男,助理研究员,博士,研究方向为磁浮交通工程动力学,E-mail:fyswjtu@outlook.com

  • 中图分类号: U237;TM273

Magnetic Force Characteristics between On-Board Permanent Magnet and Permanent Magnetic Rail Considering Five Pose Parameters

  • 摘要:

    永磁磁浮交通系统利用车载永磁体和永磁轨道间的磁斥力实现悬浮,理解并掌握永磁体磁力与其空间位姿参数的关系对磁浮车辆走行部及轨道结构设计具有重要意义. 参考兴国县永磁磁浮交通系统,建立了车载永磁体和永磁轨道的三维磁场有限元模型;计算了不同悬浮间隙、横向偏移、点头角、侧滚角和摇头角条件下车载永磁体受到的磁力,重点分析了车载永磁体悬浮力和横向力随5个位姿参数的变化规律及其相关程度. 结果表明:车载永磁体的磁力主要受悬浮间隙和横向偏移量的影响,受摇头角的影响较大,受点头角和侧滚角的影响很小;在设定的参数变化范围内,悬浮力最小值和最大值与额定悬浮力之比分别约为0.75和1.16,横向力最大值达到额定悬浮力的50.42%;车载永磁体横向力的方向与其横向偏移方向一致,摇头力矩与其摇头方向相同,需要为永磁悬浮系统设置导向装置,防止车载永磁体横向晃动和偏航运行.

     

  • 图 1  原理实验装置的Halbach永磁阵列结构(单位:mm)

    Figure 1.  Structure of Halbach permanent magnet array of principle experimental device (unit: mm)

    图 2  永磁悬浮力有限元计算结果与测试结果[12]比较

    Figure 2.  Comparison between finite element calculation results and test results of PMS force

    图 3  永磁磁浮系统三维磁场有限元模型

    Figure 3.  Three-dimensional magnetic field finite element model of PMS system

    图 4  无相对转动时悬浮力、横向力随悬浮间隙和横移量的变化

    Figure 4.  Variation of levitation force and lateral force with levitation gap and lateral offsets in the absence of relative rotation

    图 5  无横向偏移时悬浮力、横向力随转角的变化

    Figure 5.  Variation of levitation force and lateral force with angle of rotation in the absence of lateral offset

    图 6  无横向偏移时摇头力矩随转角的变化

    Figure 6.  Variation of yawing torque with angle of rotation in the absence of lateral offset

    图 7  悬浮间隙15 mm和横向偏移8 mm时悬浮力、横向力变化

    Figure 7.  Variation of lateral force with 15 mm levitation gap and 8 mm lateral offset

    图 8  悬浮间隙18 mm、横向偏移8 mm时悬浮力、横向力变化

    Figure 8.  Variation of lateral force with 18 mm levitation gap and 8 mm lateral offset

    表  1  钕铁硼N45永磁材料参数

    Table  1.   Parameters of NdFeB N45 permanent magnet materials

    材料参数 数值
    剩余磁感应强度/T 1.32
    矫顽力/(kA·m−1 890
    磁化强度/(kA·m−1 978.8
    相对磁导率 1.22
    下载: 导出CSV

    表  2  磁力与位姿参数的Spearman相关性系数

    Table  2.   Spearman’s correlation coefficients for magnetic force and pose parameters

    位姿参数 悬浮力 横向力
    悬浮间隙 −0.884 −0.522
    横移量 −0.333 0.806
    点头角 −0.073 0.190
    侧滚角 −0.058 −0.018
    摇头角 −0.282 0.074
    下载: 导出CSV
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出版历程
  • 收稿日期:  2024-01-24
  • 修回日期:  2024-05-11
  • 网络出版日期:  2024-05-23

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