Noise activated dc signal sensor based on chaotic Chua circuit

被引：10
|
作者：
Korneta, W. [1 ]
Garcia-Moreno, E. [2 ]
Sena, A. L. [2 ]
机构：
[1] State Coll Comp Sci & Business Adm, Comp Sci & Automat Inst, PL-18400 Lomza, Poland
[2] Univ Illes Balears, Elect Engn Grp, E-07122 Palma De Mallorca, Spain
来源：
COMMUNICATIONS IN NONLINEAR SCIENCE AND NUMERICAL SIMULATION | 2015年 / 24卷 / 1-3期
关键词：
Sensors; Stochastic resonance; Chua circuit; Chaos; STOCHASTIC RESONANCE; BISTABLE SYSTEMS; INFORMATION;
D O I：
10.1016/j.cnsns.2014.12.010
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
The noise activated dc voltage signal sensor based on Chua's electronic circuit made from standard electronic components and operating in the chaotic regime where two single scroll attractors coexist is proposed. The crossings between attractors are driven only by the Gaussian noise. The unknown dc target signal is detected and measured via the monitoring of the residence time proportion the sensor stays in one of the two attractors. The dependence of the output time proportion on the input dc target signal voltage and the noise intensity were obtained performing computer simulations. The optimal noise intensity range for detection is indicated and the dependence of the measurement error on the observation time in this range is obtained. The nearly linear output-input relation for the optimal noise level is found. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：145 / 152
页数：8
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