A new observer-based synchronization scheme for private communication

被引：68
|
作者：
Chen, MY [1 ]
Zhou, DH
Shang, Y
机构：
[1] Tsing Hua Univ, Dept Automat, Inst Proc Engn, Beijing 100084, Peoples R China
[2] Shaanxi Normal Univ, Coll Math & Informat Sci, Xian 710062, Peoples R China
来源：
CHAOS SOLITONS & FRACTALS | 2005年 / 24卷 / 04期
基金：
中国博士后科学基金; 中国国家自然科学基金;
关键词：
D O I：
10.1016/j.chaos.2004.09.096
中图分类号：
O1 [数学];
学科分类号：
0701 ; 070101 ;
摘要：
Applying the sliding mode observer strategy, this paper proposes a new observer-based synchronization scheme in the drive-response framework. If a chaotic system (the driving system) satisfies strictly positive real condition, a sliding mode observer (the response system) can be constructed to synchronize the driving system globally. Further, the hidden message can be approximately recovered by the equivalent control signal in the sense of least mean square. Theoretical analysis and numerical simulation show the effectiveness of the proposed scheme. (C) 2004 Elsevier Ltd. All rights reserved.
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页码：1025 / 1030
页数：6
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