A SYNCHRONIZATION CONDITION FOR COUPLED NONLINEAR SYSTEMS WITH TIME-DELAY: A FREQUENCY DOMAIN APPROACH

被引:9
|
作者
Oguchi, Toshiki [1 ]
Nijmeijer, Henk [2 ]
机构
[1] Tokyo Metropolitan Univ, Dept Mech Engn, Hachioji, Tokyo 1920397, Japan
[2] Eindhoven Univ Technol, Dept Mech Engn, NL-5600 MB Eindhoven, Netherlands
来源
基金
日本学术振兴会;
关键词
Chaos synchronization; time-delay; absolute stability; circle criterion; COMPLEX DYNAMICAL NETWORKS; LURE SYSTEMS; CRITERIA; STABILITY;
D O I
10.1142/S0218127411029902
中图分类号
O1 [数学];
学科分类号
0701 ; 070101 ;
摘要
This paper considers the synchronization problem for nonlinear systems with time-delay couplings. We assume that the error dynamics can be rewritten as a feedback connection of a linear delay system with multiple inputs and outputs and nonlinear elements which are decentralized and satisfy a sector condition. Then, we derive a synchronization condition for time-delay coupled systems by applying the multivariable circle criterion. Unlike the conventional synchronization criteria, the derived criterion is based on a frequency-domain stability condition and avoids the use of the Lyapunov-Krasovskii approach. As a result, the condition based on the circle criterion does not contain the conservativeness caused by the Lyapunov-Krasovskii approach. The effectiveness of the proposed criterion is shown by examples of coupled Chua systems with delay coupling.
引用
收藏
页码:2525 / 2538
页数:14
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