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DYNAMICAL BEHAVIOR OF FLYWHEEL ROTOR SUSPENDED BY HYSTERETIC FORCE OF HTSC MAGNETIC BEARING

✍ Scribed by TAKASHI HIKIHARA; HITOSHI ADACHI; FRANCIS C. MOON; YOSHISUKE UEDA

Publisher: Elsevier Science
Year: 1999
Tongue: English
Weight: 247 KB
Volume: 228
Category: Article
ISSN: 0022-460X
DOI: 10.1006/jsvi.1999.2452

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✦ Synopsis

Recently, the application of high-Tc superconductor to a magnetic bearing has reached the second stage in some institutes and companies. The static stability of the levitation has already been established. However, the dynamic stability is still under research because the non-linear magnetic characteristics of HTSC and the permanent magnet system are not su$ciently understood. In this paper, the dynamic behavior of a #ywheel rotor suspended by HTSC magnetic bearing is discussed experimentally and numerically. The dynamics of the #ywheel rotor shows an interesting gyroscopic motion under a hysteretic suspending force between HTSCs and permanent magnets. These types of dynamics have never been discussed before.

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