Synchronization of unidirectionally delay-coupled chaotic oscillators with memory

被引：2
|
作者：
Jaimes-Reategui, Rider [1 ]
Vera-Avila, Victor P. [1 ]
Sevilla-Escoboza, Ricardo [1 ]
Huerta-Cuellar, Guillermo [1 ]
Castaneda-Hernandez, Carlos E. [1 ]
Chiu-Zarate, Roger [1 ]
Pisarchik, Alexander N. [2 ,3 ]
机构：
[1] Univ Guadalajara, Ctr Univ Los Lagos, Enrique Diaz de Leon,1144,Paseo Montana, Lagos De Moreno, Jalisco, Mexico
[2] Tech Univ Madrid, Ctr Biomed Technol, Campus Montegancedo, Madrid 28223, Spain
[3] Ctr Invest Opt, Loma Bosque 115, Guanajuato 37150, Mexico
来源：
EUROPEAN PHYSICAL JOURNAL-SPECIAL TOPICS | 2016年 / 225卷 / 13-14期
关键词：
SYSTEMS;
D O I：
10.1140/epjst/e2016-60031-7
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We study synchronization of two chaotic oscillators coupled with time delay in a master-slave configuration and with delayed positive feedback in the slave oscillator which acts as memory. The dynamics of the slave oscillator is analyzed with bifurcation diagrams of the peak value of the system variable with respect to the coupling and feedback strengths and two delay times. For small coupling, when the oscillators' phases synchronize, memory can induce bistability and stabilize periodic orbits, whereas for stronger coupling it is not possible. The delayed feedback signal impairs synchronization, simultaneously enhancing coherence of the slave oscillator.
引用
收藏
页码：2707 / 2715
页数：9
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