• ISSN 0258-2724
  • CN 51-1277/U
  • EI Compendex
  • Scopus
  • Indexed by Core Journals of China, Chinese S&T Journal Citation Reports
  • Chinese S&T Journal Citation Reports
  • Chinese Science Citation Database
Volume 58 Issue 4
Aug.  2023
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Article Contents
MA Weihua, HU Junxiong, LI Tie, LUO Shihui, LIU Shuhong. Technologies Research Review of Electro-Magnetic Suspension Medium−Low-Speed Maglev Train Levitation Frame[J]. Journal of Southwest Jiaotong University, 2023, 58(4): 720-733. doi: 10.3969/j.issn.0258-2724.20210971
Citation: MA Weihua, HU Junxiong, LI Tie, LUO Shihui, LIU Shuhong. Technologies Research Review of Electro-Magnetic Suspension Medium−Low-Speed Maglev Train Levitation Frame[J]. Journal of Southwest Jiaotong University, 2023, 58(4): 720-733. doi: 10.3969/j.issn.0258-2724.20210971

Technologies Research Review of Electro-Magnetic Suspension Medium−Low-Speed Maglev Train Levitation Frame

doi: 10.3969/j.issn.0258-2724.20210971
  • Received Date: 30 Nov 2021
  • Rev Recd Date: 23 May 2022
  • Available Online: 28 Oct 2022
  • Publish Date: 26 May 2022
  • The levitation frame is a key subsystem that carries EMS (electro-magnetic suspension) medium−low-speed maglev trains, which affects the levitation stability, comfort and safety of the train and needs to be studied in depth. According to domestic and overseas current application cases of EMS medium-low speed maglev trains, the technical solutions, and characteristics of (suspension) end-set levitation frame and (suspension) mid-set levitation frame are concluded, and the key technical indexes are summarized. With the combination of current research and development status of levitation frame technologies, the five major technical research contents which are magnetic-rail interaction relationship, motion decoupling capability, dynamics performance, structural strength and levitation redundant design are discussed. In addition, the existing frontier scientific issues and engineering challenges are summarized by sorting out and summarizing the research contents: first, the track gauge should be unified; second, the dynamic magnetic-rail relationship research is lacking; third, the lateral dynamics of levitation frames needs to be studied; fourth, the fatigue strength analysis and test of the levitation frame is insufficient; fifth, the levitation frame mechanical structure redundant design scheme is less.

     

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