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Chaotic pendulum based on torsion and gravity in opposition

 

作者: Randall D. Peters,  

 

期刊: American Journal of Physics  (AIP Available online 1995)
卷期: Volume 63, issue 12  

页码: 1128-1136

 

ISSN:0002-9505

 

年代: 1995

 

DOI:10.1119/1.18019

 

出版商: American Association of Physics Teachers

 

关键词: FOURIER ANALYSIS;GRAVITATION;PENDULUMS;PHASE SPACE;TORSION

 

数据来源: AIP

 

摘要:

An unconventional driven torsion pendulum influenced by gravity has been studied for chaos. Through the use of a symmetric differential capacitive sensor and a galvanometer, phase‐space trajectories were generated with anx–yrecorder. These were then later compared against output from a computer model of the system which has been further used to generate Poincaré sections, Fourier transforms, and time records. Sensitive dependence on initial conditions as a function of frequency and drive amplitude was demonstrated.

 

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