The effect of time-delayed feedback on logical stochastic resonance

Nan Wang (), Aiguo Song and Biao Yang
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Nan Wang: College of Information Science and Engineering, Ocean University of China
Aiguo Song: School of Instrument Science and Engineering, Southeast University
Biao Yang: School of Information Science and Engineering, Changzhou University

The European Physical Journal B: Condensed Matter and Complex Systems, 2017, vol. 90, issue 6, 1-5

Abstract: Abstract We examine the possibility of obtaining logic operation in a quartic-bistable system with linear time-delayed feedback subjected to Gaussian noise. The effect of time-delayed feedback on the effective potential well is investigated, and explicit numerical stimulation is conducted to study the influence of delay time and strength of the time-delayed feedback on the responses of the system. Although the response deteriorates slightly at low values of noise intensity with time-delayed feedback and the peak correct probability decreases from 100% when the delay time is too long, the reliability of obtaining the desired logic output is enhanced in the higher noise boundary with the help of moderate time-delayed feedback. We also found that increasing the linear factor of the system can shift the optimal noise intensity to a higher level.

Keywords: Statistical; and; Nonlinear; Physics (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (4)

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DOI: 10.1140/epjb/e2017-80150-4

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