Static and Dynamic Characteristics of Superconducting Magnetic Bearings Using MPMG Y-Ba-Cu-0

Hiromasa Fukuyama, Kazutoshi Seki, Hiroshi Takaichi, Masato Murakami

Research output: Contribution to journalArticle


Measurements of the static forces were performed for various types of super-conducting magnetic bearings at liquid nitrogen temperature. It was found that the stiffness of the superconducting bearing was rather small; however, both the electromagnetic forces and the stiffness could be increased by using a combination of a thrust and radial bearing. It was also found that the stiffness could be increased by using the attractive force due to flux pinning. Based on these measurements, a practical superconducting magnetic bearing was designed and constructed, where a 2.4 kg rotor could rotate at 33 000 rpm.

Original languageEnglish
Pages (from-to)128-134
Number of pages7
JournalJSME International Journal, Series C: Dynamics, Control, Robotics, Design and Manufacturing
Issue number1
Publication statusPublished - 1995 Jan 1



  • Dynamic Characteristics
  • Static Force
  • Stiffness
  • Superconducting Bearing
  • Whirling
  • Y-Ba-Cu-O

ASJC Scopus subject areas

  • Engineering(all)

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