Attractive-levitation experiments of 1/2-scale controlled-PM LSM Maglev vehicle under an extremely unbalanced condition of one controlled-PM

Kinjiro Yoshida, Zheng Dai, Hiroshi Takami, Akihiro Sonoda

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1 Citation (Scopus)


This paper presents the local control approach for a 1/2-scale controlled-PM LSM Maglev test vehicle in our Laboratory. Under an extremely unbalanced condition of one controlled-PM of which a coercive force is reduced strongly, the 256 kg-heavy-vehicle has been levitated in a dynamically stable state with compensating slowly bending motions of the beams connecting the four controlled-PM's. Minimum power-loss control method for stationary levitation mode and constant-gap-control method for Maglev-starting and -stopping mode have been carried out by using an optimum robust control theory of the digital feedback levitation system. Experimental system is discussed and the experiment results are presented. It is also shown that the control system has provided minimum power-loss levitation and satisfied constant-gap control without noise.

Original languageEnglish
Pages (from-to)111-116
Number of pages6
JournalResearch Reports on Information Science and Electrical Engineering of Kyushu University
Issue number1
Publication statusPublished - 1996 Sep 1



  • Attractive-levitation
  • Controlled-PM LSM
  • Local control method
  • Minimum power-loss control
  • Robust control

ASJC Scopus subject areas

  • Computer Science(all)
  • Electrical and Electronic Engineering

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