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.
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Wang, N., Song, A. & Yang, B. The effect of time-delayed feedback on logical stochastic resonance. Eur. Phys. J. B 90, 117 (2017). https://doi.org/10.1140/epjb/e2017-80150-4
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DOI: https://doi.org/10.1140/epjb/e2017-80150-4