Influence of Different Magnet-track Relations on Vertical Dynamic Performance of Medium-low Speed Maglev Vehicles

Bo WANG; Shihui LUO; Keren WANG; Qinghao XI; Weihua MA; Ruiming ZOU

doi:10.13890/j.issn.1000-128x.2019.05.018

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Influence of Different Magnet-track Relations on Vertical Dynamic Performance of Medium-low Speed Maglev Vehicles

Research & Development | 更新时间：2021-12-13

- Influence of Different Magnet-track Relations on Vertical Dynamic Performance of Medium-low Speed Maglev Vehicles
- Electric Drive for Locomotives Issue 5, Pages: 82-86(2019)
- 作者机构：
  
  1.西南交通大学　牵引动力国家重点实验室　四川　成都　610031
  2.中铁第一勘察设计院集团有限公司，陕西　西安　710043
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2019.05.018
  CLC：
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Bo WANG, Shihui LUO, Keren WANG, et al. Influence of Different Magnet-track Relations on Vertical Dynamic Performance of Medium-low Speed Maglev Vehicles. [J]. Electric Drive for Locomotives (5):82-86(2019)
DOI：

Bo WANG, Shihui LUO, Keren WANG, et al. Influence of Different Magnet-track Relations on Vertical Dynamic Performance of Medium-low Speed Maglev Vehicles. [J]. Electric Drive for Locomotives (5):82-86(2019) DOI： 10.13890/j.issn.1000-128x.2019.05.018.

摘要

为分析中低速磁浮车辆在直线段上2种不同磁轨关系的动力学性能的差异，分别采用弹簧阻尼法和悬浮控制法建立磁轨关系模型，分析2种磁轨关系力学特性，对采用PID控制的悬浮控制法的悬浮刚度和阻尼进行等效处理，并转换成弹簧阻尼法中的线性刚度和阻尼。通过仿真分析发现：2种模型在直线段的垂向平稳性、车体和构架的垂向加速度相差很小，有相近的计算精度；悬浮力最大值和3,б,统计值相差很小，均不超过0.2 kN。因此，在计算中低速磁浮车辆直线动力学性能时，弹簧阻尼模型可以替代悬浮控制模型。

Abstract

In order to analyze the difference of dynamic performance between two different kinds of maglev tracks on the straight line of a medium-low speed maglev vehicle, the spring damping method and the suspension control method were used to establish the relationship model of the maglev tracks, and the mechanical characteristics of the two kinds of maglev tracks were analyzed. The suspension stiffness and damping of the suspension control method controlled by PID were treated equivalently and converted into linear stiffness and damping in spring damping method. Through simulation analysis, it was found that the vertical stationary of the two models in the straight line segment, the vertical acceleration difference between the car body and the frame is very small, and the calculation accuracy is similar; the difference between the maximum suspension force and the 3,б, statistic value is very small, and the difference is not more than 0.2 kN. Therefore, the spring damping model can replace the suspension control model in calculating the linear dynamic performance of medium-low speed maglev vehicles.

关键词

磁浮车辆悬浮控制弹簧阻尼磁轨关系动力学性能中低速磁浮车辆

Keywords

maglev vehiclesuspension control methodspring damping methodmaglev track relationdynamic performancemedium-low speed maglev vehicle

references

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