EMS型高速磁浮轨道不平顺参数影响研究

U237%U238; 随着高速磁浮不断突破发展,针对轨道不平顺各控制参数对EMS型高速磁浮车辆运行下的动力学响应问题,基于多体动力学和有限元方法建立包含磁浮车辆系统、轨道梁系统以及控制系统组成的磁浮车辆-轨道-简支梁耦合系统模型,其中车辆系统与轨道梁系统使用磁轨关系进行耦合,并在多体动力学仿真软件中进行直线轨道梁耦合振动分析,探讨在时速 600 km运行条件下轨道不平顺的幅值、方向、波长对EMS型高速磁浮耦合系统振动响应的影响,揭示系统中各项指标受不平顺影响的变化规律,探究高速磁浮车-轨-梁耦合系统轨道不平顺参数影响并提出参数建议.结果表明:对不平顺幅值研究时,磁浮车辆以 600 km/h的速...

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Published in铁道标准设计 Vol. 69; no. 2; pp. 36 - 44
Main Authors 徐傲康, 李苗, 王爱彬, 尚贤洪, 马卫华, 罗世辉
Format Journal Article
LanguageChinese
Published 西南交通大学轨道交通运载系统全国重点实验室,成都 610031%西南交通大学轨道交通运载系统全国重点实验室,成都 610031 01.02.2025
中车长春轨道客车股份有限公司,长春 130062%无锡时代智能交通研究院有限公司,江苏 无锡 214000
Subjects
EMS型高速磁浮
EMS high-speed maglev
coupled system
track irregularity
track beam
vehicle dynamics
轨道梁
耦合系统
车辆动力学
轨道不平顺
Online AccessGet full text
ISSN1004-2954
DOI10.13238/j.issn.1004-2954.202306070006

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Abstract U237%U238; 随着高速磁浮不断突破发展,针对轨道不平顺各控制参数对EMS型高速磁浮车辆运行下的动力学响应问题,基于多体动力学和有限元方法建立包含磁浮车辆系统、轨道梁系统以及控制系统组成的磁浮车辆-轨道-简支梁耦合系统模型,其中车辆系统与轨道梁系统使用磁轨关系进行耦合,并在多体动力学仿真软件中进行直线轨道梁耦合振动分析,探讨在时速 600 km运行条件下轨道不平顺的幅值、方向、波长对EMS型高速磁浮耦合系统振动响应的影响,揭示系统中各项指标受不平顺影响的变化规律,探究高速磁浮车-轨-梁耦合系统轨道不平顺参数影响并提出参数建议.结果表明:对不平顺幅值研究时,磁浮车辆以 600 km/h的速度在波长20m的不平顺激励线路上运行时,耦合系统中某些动力指标超限,在含有波长 20m的不平顺线路幅值控制在 4mm以内为宜;在对垂向及横向不平顺研究时,发现车辆系统在垂向和横向的响应是解耦的,车辆垂向载荷是耦合系统中的主要激励因素,悬浮控制技术应作为高速磁浮系统重点关注的控制技术;对不平顺波长研究时,即使不平顺幅值在 1mm时,波长10m以下短波不平顺相较于其他波长不平顺更易引起耦合系统的剧烈振动.
AbstractList U237%U238; 随着高速磁浮不断突破发展,针对轨道不平顺各控制参数对EMS型高速磁浮车辆运行下的动力学响应问题,基于多体动力学和有限元方法建立包含磁浮车辆系统、轨道梁系统以及控制系统组成的磁浮车辆-轨道-简支梁耦合系统模型,其中车辆系统与轨道梁系统使用磁轨关系进行耦合,并在多体动力学仿真软件中进行直线轨道梁耦合振动分析,探讨在时速 600 km运行条件下轨道不平顺的幅值、方向、波长对EMS型高速磁浮耦合系统振动响应的影响,揭示系统中各项指标受不平顺影响的变化规律,探究高速磁浮车-轨-梁耦合系统轨道不平顺参数影响并提出参数建议.结果表明:对不平顺幅值研究时,磁浮车辆以 600 km/h的速度在波长20m的不平顺激励线路上运行时,耦合系统中某些动力指标超限,在含有波长 20m的不平顺线路幅值控制在 4mm以内为宜;在对垂向及横向不平顺研究时,发现车辆系统在垂向和横向的响应是解耦的,车辆垂向载荷是耦合系统中的主要激励因素,悬浮控制技术应作为高速磁浮系统重点关注的控制技术;对不平顺波长研究时,即使不平顺幅值在 1mm时,波长10m以下短波不平顺相较于其他波长不平顺更易引起耦合系统的剧烈振动.
Abstract_FL With the continuous breakthrough and development of high-speed maglev,this paper,aiming at the dynamic response of the control parameters of track irregularity to the operation of EMS high-speed maglev vehicle and based on multi-body dynamics and finite element method,establishes a coupling system model of maglev vehicle-track-beam which includes the maglev vehicle system,the track beam system and the control system.The vehicle system and track beam system are coupled by magnetic track relation.The effects of the amplitude,direction and wavelength of track irregularity on the vibration response of EMS high speed magnetic suspension coupling system operating at 600 km/h are analyzed.The variation law of each index in the system affected by the track irregularity is revealed,the influence of the track irregularity parameters on the high-speed maglev vehicle-track-beam coupling system is discussed,and the parameter suggestions are put forward.In the study of irregularity amplitude,when maglev vehicles are running at the speed of 600 km/h on an irregularity excitation line with a wavelength of 20 m,some dynamic indexes in the coupling system exceed the limit,and the amplitude of the irregularity line with a wavelength of 20 m is controlled within 4 mm.In the study of vertical and lateral track irregularity,it is found that the vertical and lateral responses of the vehicle system are decoupled,and the vertical load of the vehicle is the main incentive factor in the coupling system.The levitation control technology should be regarded as the key control technology of the high-speed maglev system.The study of the irregularity wavelength indicates that the amplitude of irregularity is 1 mm,and the short wave irregularity below 10 m is more likely to cause severe vibration of the coupling system than other wavelength irregularity.
Author 马卫华
王爱彬
罗世辉
尚贤洪
李苗
徐傲康
AuthorAffiliation 西南交通大学轨道交通运载系统全国重点实验室,成都 610031%西南交通大学轨道交通运载系统全国重点实验室,成都 610031;中车长春轨道客车股份有限公司,长春 130062%无锡时代智能交通研究院有限公司,江苏 无锡 214000
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Author_FL WANG Aibin
XU Aokang
MA Weihua
SHANG Xianhong
LUO Shihui
LI Miao
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DocumentTitle_FL Study on the Influence of Track Irregularity Parameters of EMS High-speed Maglev
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Keywords EMS型高速磁浮
EMS high-speed maglev
coupled system
track irregularity
track beam
vehicle dynamics
轨道梁
耦合系统
车辆动力学
轨道不平顺
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中车长春轨道客车股份有限公司,长春 130062%无锡时代智能交通研究院有限公司,江苏 无锡 214000
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