磁浮轨道梁不平顺对悬浮状态的影响分析  

Influence Analysis of Magnetic Track Beam Irregularity on the Suspended State

作　　者：李萍[1] 胡雯雯[1] 

机构地区：[1]华东交通大学轨道交通学院,江西南昌330013

出　　处：《机车电传动》2016年第3期65-68,共4页Electric Drive for Locomotives

基　　金：国家自然科学基金资助项目(51268015)

摘　　要：通过建立单磁铁-悬浮系统-轨道梁相互作用模型,阐述轨道梁特性要求,从轨道梁长短波不平顺、轨道梁刚度以及车辆运行速度角度出发,研究单磁铁悬浮状态的变化。结果表明:单磁铁悬浮间隙变化量随着车速的提高而增大,短波不平顺对车辆的影响要比长波不平顺影响剧烈,短波不平顺对单磁铁悬浮间隙和振动加速度均有较大影响;轨道梁刚度对轨道梁挠度变化最为明显,而对悬浮间隙、单磁铁振动加速度影响很小。Through the establishment of a single magnet-suspension system-track beam interaction model,characteristic requirements of track beam was described,and state change of a single magnet in suspension was studied from track beam long-wave irregularity,shortwave irregularity,track beam stiffness and speed of vehicles.The results showed that：single magnet levitation gap change increased as the speed increasing;short-wave irregularity impacting on the vehicle was severer than the long-wave irregularity impacting,and shortwave irregularity had a greater impact on a single magnetic levitation gap and vibration acceleration;track beam stiffness of the rail beam influenced the deflection changes the most significantly,but had little effect on the levitation gap and single magnet vibration acceleration.

关 键 词：轨道梁 线路不平顺 悬浮系统 悬浮状态 单铁悬浮 

分 类 号：U292.917[交通运输工程—交通运输规划与管理]