Influence of drive types on dynamical responses of movers in ultra-high-speed maglev

CHEN Xianfa; ZHANG Min; LIN Yuanyang; MA Weihua; LUO Shihui

doi:10.13890/j.issn.1000-128X.2023.06.002

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Influence of drive types on dynamical responses of movers in ultra-high-speed maglev

Railway Rolling Stock | 更新时间：2024-08-02

- Influence of drive types on dynamical responses of movers in ultra-high-speed maglev
- Electric Drive for Locomotives Issue 6, Pages: 11-19(2023)
- 作者机构：
  
  西南交通大学轨道交通运载系统全国重点实验室，四川成都 610031
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2023.06.002
  CLC： U237
- Published：10 November 2023，
  
  Received：20 March 2023，
  
  Revised：19 June 2023，
- 稿件说明：
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陈显发, 张敏, 林远扬, 等. 驱动型式对超高速磁浮动子动力学响应的影响[J]. 机车电传动, 2023(6): 11-19.

CHEN Xianfa, ZHANG Min, LIN Yuanyang, et al. Influence of drive types on dynamical responses of movers in ultra-high-speed maglev[J]. Electric drive for locomotives,2023(6): 11-19.
陈显发, 张敏, 林远扬, 等. 驱动型式对超高速磁浮动子动力学响应的影响[J]. 机车电传动, 2023(6): 11-19. DOI： 10.13890/j.issn.1000-128X.2023.06.002.

CHEN Xianfa, ZHANG Min, LIN Yuanyang, et al. Influence of drive types on dynamical responses of movers in ultra-high-speed maglev[J]. Electric drive for locomotives,2023(6): 11-19. DOI： 10.13890/j.issn.1000-128X.2023.06.002.

摘要

文章在分析直线感应电机动子和永磁同步电机动子结构和动力学特性基础上，运用多体动力学软件，建立了对应上述2种驱动型式的超高速（1 000 km/h）电磁推进装置动子动力学模型，分析了“起动-惰行-制动”状态下动子的横向、垂向、侧滚、摇头、点头运动的变化规律。分析结果表明，感应式动子所受的法向力有利于动子横向自动对中，并避免横向冲击，同时抑制动子的侧滚和摇头运动；而永磁式动子所受的电机法向力在动子偏移时仍指向偏移的一侧，使得动子贴靠导轨运行，承受横向不平顺冲击，其侧滚和摇头运动无法收敛。感应式动子由于承受导轨垂向不平顺激励，其垂向振动和冲击力较大；永磁式动子所受电机力的垂向分力能起到一定的减振作用。运行状态会显著影响2种动子的垂向响应与点头运动，2种动子的最大垂向位移、加速度和冲击力均出现在制动的时刻。

Abstract

Based on the analysis on structural and dynamical characteristics of movers in linear induction motors and permanent magnet synchronous motors

this paper explored the change rules of mover motions of swaying

bouncing

rolling

yawing and pitching in the starting

coasting

and braking states

by developing the dynamical models with the multi-body dynamics simulation software for ultra-high-speed (1 000 km/h) electromagnetic propulsion devices respectively in the above two drive types. The final results show that the normal force applied on the induction mover facilitates automatic lateral alignment of the mover and resistance to lateral impact

while inhibiting rolling and yawing of the mover. In the scenario of the permanent magnet mover

the normal force from the motor aligns with the direction of mover deviation. Consequently

the mover moves close to the guideway under the impact of lateral irregularity without restraining rolling and yawing effects. Due to the vertical irregularity of the guideway

the induction motor mover experienced notable vertical vibration and impact

while the vertical component force applied by the motor on the permanent magnet mover mitigates vibration to some extent. This paper concludes that running states significantly affect the vertical response and pitch motion of the two types of movers

and the maximum vertical displacement

acceleration

and impact force all occur during braking for both.

关键词

超高速磁浮电磁推进直线电机动子动力学

Keywords

ultra-high-speed maglevelectromagnetic propulsionlinear motormoverdynamics

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