真空管道列车混合磁悬浮支承设计及载荷研究
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摘要
由于气动阻力和气动噪音的影响限制了地面交通运输工具的运行速度,是以真空管道列车成为了未来地面超高速交通的出路。对磁悬浮列车的支承方式进行研究,提出一种采用EDS&EMS混合磁悬浮技术的真空管道列车支承结构的设计方案,运用ANSYS Maxwell对该混合磁悬浮系统的载荷特性进行仿真分析。结果表明,列车下方的EDS系统提供列车悬浮所需大部分悬浮力,列车上方的EMS系统提供小部分悬浮力;可以通过改变EMS系统中定子与动子绕组电流大小来控制列车稳定运行所需的牵引力和悬浮控制力。
Because of the aerodynamic drag and aerodynamic noise,the speed of traffic conveyance on the ground is restricted. The vacuum tube train will become the way out of the ultra-high speed traffic on the ground in the future. The presents a design proposal of the supporting structure of the maglev train running in the evacuated tube which uses the EDS &EMS hybrid magnetic suspension technology. The load characteristics of hybrid suspension system has been simulated by using ANSYS Maxwell software. The results show that EDS system below the train can provide most of levitation force.Besides,EMS system upon the train only provide a small part of levitation force. Beyond that,the thrust force and levitation control force which are needed by the steady running train can be controlled by varying the stator winding current and secondary coil current of EMS system.
Because of the aerodynamic drag and aerodynamic noise,the speed of traffic conveyance on the ground is restricted. The vacuum tube train will become the way out of the ultra-high speed traffic on the ground in the future. The presents a design proposal of the supporting structure of the maglev train running in the evacuated tube which uses the EDS &EMS hybrid magnetic suspension technology. The load characteristics of hybrid suspension system has been simulated by using ANSYS Maxwell software. The results show that EDS system below the train can provide most of levitation force.Besides,EMS system upon the train only provide a small part of levitation force. Beyond that,the thrust force and levitation control force which are needed by the steady running train can be controlled by varying the stator winding current and secondary coil current of EMS system.
引文
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[3]刘思嘉,范瑜,秦伟.Halbach阵列磁悬浮系统稳定性分析与控制[J].电机与控制学报,2013(6):89-93.(Liu Si-jia,Fan Yu,Qin Wei.Stability analysis and control of halbach array maglev system[J].Electric Machines and Control,2013(6):89-93.)
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[5]韩志仁,陶华.机械设计中有限元分析的几个关键问题[J].机械设计与制造,2004(2):58-60.(Han Zhi-ren,Tao Hua.Several key problems in finite element analysis of machinery design[J].Machinery Design&Manufacture,2004(2):58-60.)
[6]Musk E.Hyperloop Alpha[EB/OL].SpaceX.[2013-08-12].
[7]Callazo T,Jeffries A.BadgerLoop Final Design Package[EB/OL].[2016].
[8]李云钢,程虎,张晓.基于V型轨道的电磁悬浮列车的悬浮导向技术[J].同济大学学报:自然科学版,2012(11):1720-1724.(Li Yun-gang,Cheng Hu,Zhang Xiao.Research on suspension and guidance technologies of EMS maglev trains using v-shaped guideway[J].Journal of Tongji University:Natural Science,2012(11):1720-1724.)
[9]Cho H W,Han H S,Bang J S.Characteristic Analysis of Electrodynamic Suspension Device with Permanent Magnet Halbach Array[J].Journal of Applied Physics,2009,105(7):(7A-314A).
[10]陈宇明,金能强.直线同步电机的磁场与力特性分析[J].电工电能新技术,2002,21(1):26-28.(Chen Yu-ming,Jin Neng-qiang.Characteristic analysis of electromagnetic field and force for linear synchronous motor[J].Advanced Technology of Electrical Engineering and Energy,2002,21(1):26-28).
[11]卢琴芬.直线同步电机的特性研究[D].杭州:浙江大学,2005.(Lu Qin-fen.Characteristic research on linear synchronous motor[D].Hangzhou:Zhejiang University,2005.)