Chaotic Motions in Dynamic High-Tc Superconducting Levitation System with Thermal Effects

2020 ◽  
Vol 201 (3-4) ◽  
pp. 285-293
Author(s):  
Yi Huang ◽  
Zhong-Cheng Qin ◽  
Fu-Jin Ma
Keyword(s):  
Thermal Effects ◽  
Chaotic Motions ◽  
High Tc ◽  
Levitation System ◽  
Superconducting Levitation

scholarly journals Vibration reduction using autoparametric resonance in a high-Tc superconducting levitation system

2014 ◽  
Vol 507 (3) ◽  
pp. 032045
Author(s):  
Hiroshi Yamasaki ◽  
Toyoki Takazakura ◽  
Ryunosuke Sakaguchi ◽  
Toshihiko Sugiura
Keyword(s):  
Vibration Reduction ◽  
High Tc ◽  
Autoparametric Resonance ◽  
Levitation System ◽  
Superconducting Levitation

Numerical method to the excited high-Tc superconducting levitation system above the NdFeB guideway

2006 ◽  
Vol 42 (4) ◽  
pp. 947-950 ◽  
Author(s):  
Jun Zheng ◽  
Honghai Song ◽  
Jiasu Wang ◽  
Suyu Wang ◽  
Minxian Liu ◽  
...  
Keyword(s):  
Numerical Method ◽  
High Tc ◽  
Ndfeb Guideway ◽  
Levitation System ◽  
Superconducting Levitation

Reduction of a Parametrically Excited Horizontal Oscillation in a High-Tc Superconducting Levitation System

2012 ◽  
Author(s):  
Ryunosuke Sakaguchi ◽  
Toshihiko Sugiura
Keyword(s):  
Magnetic Levitation ◽  
Vertical Motion ◽  
Vibration Absorber ◽  
Parametrically Excited ◽  
High Tc ◽  
Vertical Excitation ◽  
Levitation System ◽  
Horizontal Oscillation ◽  
Damped Systems ◽  
Superconducting Levitation

This research proposes reduction in the amplitude of nonlinear oscillation in a high-Tc superconducting magnetic levitation system by using a vibration absorber. High-Tc superconducting levitation systems have very low damping and stable levitation without control. However in such low-damped systems, complicated phenomena of dynamics can be easily generated by nonlinearity of the magnetic force. Our previous research showed that, when the frequency of vertical excitation is in the neighborhood of double the natural frequency in the horizontal direction, horizontal oscillation can occur parametrically through nonlinear coupling between vertical motion and horizontal motion. This research discusses on effect of a vibration absorber on a parametrically excited horizontal oscillation of the levitated body. The numerical results showed reduction in the amplitude of the horizontal oscillation. This kind of vibration absorber can be useful for reducing the amplitude of the autoparametric resonance of a high-Tc superconducting levitation system.

Bifurcation and multifractal vibration in dynamics of a high-Tc superconducting levitation system

1997 ◽  
Vol 231 (3-4) ◽  
pp. 217-223 ◽  
Author(s):  
Takashi Hikihara ◽  
Tomoya Fujinami ◽  
Francis C. Moon
Keyword(s):  
High Tc ◽  
Levitation System ◽  
Superconducting Levitation
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