Study on Operation Stability of New Four Modules Middle-low Speed Maglev Vehicles on a Straight Track

Yuanzhuo HONG; Huajun LUO; Laisheng TONG; Feng GAO; Wenyue ZHANG; Qingsheng GUO

doi:10.13890/j.issn.1000-128x.2020.06.019

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Study on Operation Stability of New Four Modules Middle-low Speed Maglev Vehicles on a Straight Track

Maglev Technology Column | 更新时间：2021-12-09

- Study on Operation Stability of New Four Modules Middle-low Speed Maglev Vehicles on a Straight Track
- Electric Drive for Locomotives Issue 6, Pages: 88-92(2020)
- 作者机构：
  
  1.中车株洲电力机车有限公司，湖南　株洲　412001
  2.磁浮交通车辆系统集成湖南省重点实验室，湖南　株洲　412001
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128x.2020.06.019
  CLC：
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Yuanzhuo HONG, Huajun LUO, Laisheng TONG, et al. Study on Operation Stability of New Four Modules Middle-low Speed Maglev Vehicles on a Straight Track. [J]. Electric Drive for Locomotives (6):88-92(2020)
DOI：

Yuanzhuo HONG, Huajun LUO, Laisheng TONG, et al. Study on Operation Stability of New Four Modules Middle-low Speed Maglev Vehicles on a Straight Track. [J]. Electric Drive for Locomotives (6):88-92(2020) DOI： 10.13890/j.issn.1000-128x.2020.06.019.

摘要

利用SIMPACK动力学软件对四模块空簧中置型磁浮车辆的运行稳定性进行了仿真分析，仿真结果显示磁浮车辆在直线运行工况中，当运行速度超过某一临界速度时，悬浮架会出现横向失稳。进一步分析表明，悬浮架的横向失稳与车重和轨道不平顺有关，与悬浮控制无关；在相邻两悬浮架端部增加球关节后，可以有效改善空簧中置型磁浮车辆在低速区间(小于130 km/h)的运行平稳性；在位于固定滑台下方的悬浮架两端和车体之间增加横向减振器，且在滑动滑台下方的悬浮架靠外侧一端和车体之间增加横向减振器后，磁浮车辆在全速度区间可以稳定运行。

Abstract

The operation stability of new four modules middle-low speed air spring center-position maglev vehicle was simulated by using the SIMPACK. The simulation results showed that when the speed of maglev vehicle exceeded a certain critical speed on a straight track, the lateral instability of the suspension frames would occur. Further analysis revealed that the lateral instability of suspension frames was related to vehicle weight and track irregularities, but not to levitation control. After the ball joints were installed at the end of the adjacent suspension frames, the new four modules maglev vehicle could operate stably in low speed range (less than 130 km/h). Finally, not only the lateral shock absorbers were installed between the two ends of the suspension frames under the fixed sliding platforms and the vehicle body, but also the lateral shock absorbers were installed between the outer ends of the suspension frames under the sliding platforms and the vehicle body, so the maglev vehicle could operate stably in the whole speed range.

关键词

四模块磁浮车辆空簧中置横向失稳减振器仿真磁浮列车

Keywords

four modules maglev vehiclesair spring center-positionlateral instabilityshock absorberssimulationmaglev vehicle

references

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