Basic study on magnetic levitation system using superconducting coil

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  • TAKASE Singo
    Dept of Applied Science for Integrated System Engineering, Kyushu Institute of Technology
  • KOMORI Mochimitsu
    Dept of Applied Science for Integrated System Engineering, Kyushu Institute of Technology
  • NEMOTO Kaoru
    Dept of Applied Science for Integrated System Engineering, Kyushu Institute of Technology
  • ASAMI Ken-ichi
    Dept of Applied Science for Integrated System Engineering, Kyushu Institute of Technology
  • SAKAI Nobuo
    Dept of Applied Science for Integrated System Engineering, Kyushu Institute of Technology

Abstract

Superconducting technique is applied to the levitation system. Persistent current in superconducting coil and control current in copper coil are used for levitating object and controlling object, respectively. The system is composed of a superconducting coil, a copper coil, a levitated object, a photo sensor, a PID controller, and power amplifiers. In this paper, basic study on superconducting coil and solenoid coil, and the dynamic characteristics of levitated object are performed. As a result, it is found that the levitated object continues to levitate at a distance 9.0 mm for ≈ 15 s. This may be the first trial that superconducting coil is used for magnetic levitation.

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