Effects of Spin-Up Rate on Internal Resonance in a High-Tc Superconducting Bearing System

被引：1

作者：

Suda, Tatsuya ^{[1
]}

Tange, Tomohiko ^{[1
]}

Sugiura, Toshihiko ^{[1
]}

Yoshizawa, Masatsugu ^{[1
]}

机构：

[1] Keio Univ, Dept Mech Engn, Fac Sci & Technol, Yokohama, Kanagawa 2238522, Japan

来源：

IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY | 2009年 / 19卷 / 06期

关键词：

Coupled vibration; internal resonance; nonlinear dynamics; passing through resonance; superconducting levitation; MAGNET;

D O I：

10.1109/TASC.2009.2028296

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper investigates the transient behaviors of a rotor passing through resonance in a high-Tc superconducting bearing system. Such a low-damping multidegree-of-freedom system, which is subjected to nonlinear force, can show complex dynamical behaviors, in which energy transfer occurs between modes through nonlinear coupling. Our numerical and experimental results show that, in a system of a high-Tc superconducting bearing, internal resonance can occur even in transient cases where the rotor passes through resonance. The effects of the internal resonance and also the effects of the spin-up rate on the transient dynamics of the rotor have been examined and clarified by changing the period of increasing voltage applied to a direct-current motor for rotating the rotor.

引用

页码：3786 / 3789

页数：4

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