The Noise-Induced Chaotic Transition in a Vibro-Impact Oscillator

被引：2
|
作者：
Feng, Jinqian [1 ]
Wang, Tao [2 ]
Xu, Wei [3 ]
机构：
[1] Xian Polytech Univ, Sch Sci, 19 S Jinhua Rd, Xian 710048, Peoples R China
[2] Changzhou Coll Informat Technol, Inst Elect & Elect, Changzhou 213164, Peoples R China
[3] Northwestern Polytech Univ, Dept Appl Math, Xian 710072, Peoples R China
来源：
MATERIALS AND COMPUTATIONAL MECHANICS, PTS 1-3 | 2012年 / 117-119卷
基金：
中国国家自然科学基金;
关键词：
Vibro-Impact Oscillator; Chaotic Transition; Noise; Interpolation Method; GRAZING BIFURCATIONS; SYSTEM;
D O I：
10.4028/www.scientific.net/AMM.117-119.347
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The influences of noise on chaotic dynamics in a vibro-impact oscillator, modeled as Duffing Van der Pol (DVP) system with unilateral rigid barrier, are investigated. An interpolation strategy is introduced to locate the impact instants, and effective numerical method is proposed to improve the computational precision in the vibro-impact oscillator. Near the boundary crisis, the phenomenon of noise-induced chaotic transition occurs. Our studies reveal that the escape of oscillator from the boundary is responsible for this chaotic transition. The increase of noise can aggravate this escape.
引用
收藏
页码：347 / +
页数：2
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