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驱动型式对超高速磁浮动子动力学响应的影响
Influence of drive types on dynamical responses of movers in ultra-high-speed maglev
- 机车电传动 2023年第6期 页码：11-19
- 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：
马卫华（1979—），男，博士，研究员，硕士/博士生导师，主要从事机车及重载列车动力学、磁浮列车悬浮架设计及常导磁浮列车 Email:mwh@swjtu.edu.cn
- 基金信息：国家自然科学基金项目(52102442);中央高校科技创新项目(2682022CX060);中国铁建股份有限公司科研课题资助项目
DOI：10.13890/j.issn.1000-128X.2023.06.002
中图分类号： U237纸质出版日期：2023-11-10，
收稿日期：2023-03-20，
修回日期：2023-06-19，
- 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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