Experimental demonstration of transient resonance capture in a system of two coupled oscillators with essential stiffness nonlinearity

被引：78
作者：
Kerschen, Gaetan
McFarland, D. Michael
Kowtko, Jeffrey J.
Lee, Young S.
Bergman, Lawrence A.
Vakakis, Alexander F.
机构：
[1] Univ Liege, Aerosp & Mech Engn Dept, B-4000 Cointe Ougree, Belgium
[2] Univ Illinois, Dept Aerosp Engn, Champaign, IL 61820 USA
[3] Natl Tech Univ Athens, Div Mech, Athens, Greece
[4] Univ Illinois, Dept Mech & Ind Engn, Champaign, IL 61820 USA
来源：
JOURNAL OF SOUND AND VIBRATION | 2007年 / 299卷 / 4-5期
关键词：
D O I：
10.1016/j.jsv.2006.07.029
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The purpose of this paper is to report an experimental study of transient resonance capture that may occur in a system of two coupled oscillators with essential (i.e., nonlinearizable) nonlinearity. It is shown that during transient resonance capture the two oscillators are in a state of resonance, the frequency of which varies with time, which leads to targeted nonlinear energy transfer. Further evidence of resonance capture is a non-time-like behavior of the phase difference between the oscillators; this quantity is monitored using the Hilbert transform or the Huang Hilbert transform in the case of multifrequency response signals. (c) 2006 Elsevier Ltd. All rights reserved.
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页码：822 / 838
页数：17
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