Saturation and resonance of nonlinear system under bounded noise excitation

被引：13
|
作者：
Rong, HW [1 ]
Wang, XD
Xu, W
Fang, T
机构：
[1] Foshan Univ, Dept Math, Guangdong 528000, Peoples R China
[2] Northwestern Polytech Univ, Dept Math, Xian 710072, Peoples R China
来源：
JOURNAL OF SOUND AND VIBRATION | 2006年 / 291卷 / 1-2期
基金：
中国国家自然科学基金;
关键词：
D O I：
10.1016/j.jsv.2005.05.021
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
The principal resonance of a 2dof nonlinear oscillator due to bounded random excitations is investigated. Equations of modulation of response amplitude and phase are derived by the method of multiple scales. Steady-state moments for the response amplitude of the system are determined through the linearized Ito differential equation. The results of theoretical analyses are verified by numerical simulations. Saturation phenomena are found in the random counterpart. Some recommendations for potential applications of this random saturation phenomenon to vibration control problems are given at the end of the paper. (c) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：48 / 59
页数：12
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