两种典型中低速磁浮交通导轨磁力特性及变形研究

U237.2; 为提升横向稳定性这一限制中低速磁浮车辆提速的重要因素,以F型导轨和倒U型导轨为对象建立其二维电磁有限元模型和三维变形仿真模型,利用该模型对比研究这两种典型导轨的磁场分布、电磁力及变形特性,并提出导向刚度系数这一新的评价指标来评估磁浮系统的导向性能.揭示了导向刚度系数与磁极宽度之间的相关性,明确了降低磁极宽度对导向性能的增益效应.从磁力特性、变形和导向性能三个方面总结出导轨结构型式和参数的改变对磁浮系统横向稳定性的影响,为适用于更高速度下的导轨结构设计提供了参考....

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Published in城市轨道交通研究 Vol. 25; no. 1; pp. 141 - 147
Main Authors 张威风, 蔡文锋, 徐银光, 胡连军
Format Journal Article
LanguageChinese
Published 中铁二院工程集团有限责任公司,610031,成都 2022
Subjects
中低速磁浮;F型导轨;倒U型导轨;磁力特性;变形
Online AccessGet full text
ISSN1007-869X
DOI10.16037/j.1007-869x.2022.01.027

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Abstract U237.2; 为提升横向稳定性这一限制中低速磁浮车辆提速的重要因素,以F型导轨和倒U型导轨为对象建立其二维电磁有限元模型和三维变形仿真模型,利用该模型对比研究这两种典型导轨的磁场分布、电磁力及变形特性,并提出导向刚度系数这一新的评价指标来评估磁浮系统的导向性能.揭示了导向刚度系数与磁极宽度之间的相关性,明确了降低磁极宽度对导向性能的增益效应.从磁力特性、变形和导向性能三个方面总结出导轨结构型式和参数的改变对磁浮系统横向稳定性的影响,为适用于更高速度下的导轨结构设计提供了参考.
AbstractList U237.2; 为提升横向稳定性这一限制中低速磁浮车辆提速的重要因素,以F型导轨和倒U型导轨为对象建立其二维电磁有限元模型和三维变形仿真模型,利用该模型对比研究这两种典型导轨的磁场分布、电磁力及变形特性,并提出导向刚度系数这一新的评价指标来评估磁浮系统的导向性能.揭示了导向刚度系数与磁极宽度之间的相关性,明确了降低磁极宽度对导向性能的增益效应.从磁力特性、变形和导向性能三个方面总结出导轨结构型式和参数的改变对磁浮系统横向稳定性的影响,为适用于更高速度下的导轨结构设计提供了参考.
Author 蔡文锋
徐银光
胡连军
张威风
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ZHANG Weifeng
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Title 两种典型中低速磁浮交通导轨磁力特性及变形研究
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