Chimera state in a network of nonlocally coupled impact oscillators

被引：2
|
作者：
Wojewoda, Jerzy [1 ]
Rajagopal, Karthikeyan [2 ]
Pham, Viet-Thanh [1 ]
Parastesh, Fatemeh [3 ]
Kapitaniak, Tomasz [1 ]
Jafari, Sajad [3 ,4 ]
机构：
[1] Lodz Univ Technol, Div Dynam, PL-90924 Lodz, Poland
[2] Ton Duc Thang Univ, Fac Elect & Elect Engn, Nonlinear Syst & Applicat, Ho Chi Minh City, Vietnam
[3] Amirkabir Univ Technol, Biomed Engn Dept, Tehran 158754413, Iran
[4] Amirkabir Univ Technol, Hlth Technol Res Inst, Tehran 158754413, Iran
来源：
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A | 2021年 / 22卷 / 03期
关键词：
Mechanical oscillators; Impact oscillator; Coupled network; Nonlocal coupling; Chimera state;
D O I：
10.1631/jzus.A2000205
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Chimera state is a peculiar spatiotemporal pattern, wherein the coherence and incoherence coexist in the network of coupled identical oscillators. In this paper, we study the chimera states in a network of impact oscillators with nonlocal coupling. We investigate the effects of the coupling strength and the coupling range on the network behavior. The results reveal the emergence of the chimera state for significantly small values of coupling strength, and higher coupling strength values lead to unbounded motions in the oscillators. We also study the network in the case of excitation failure. We observe that the coupling helps in the maintenance of an oscillatory motion with a lower amplitude in the failed oscillator.
引用
收藏
页码：235 / 244
页数：10
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