It was demonstrated recently that logical chaotic resonance (LCR) can be observed in a bistable system. In other words, the system can operate robustly as a specific logic gate in an optimal window of chaotic signal intensity. Here, we report that the size of the optimal window of chaotic signal intensity can be remarkably extended by exploiting the constructive interaction of chaotic signal and periodic force, as well as coupling, in a coupled bistable system. In addition, medium-frequency periodic force and an increasing system size can also lead to an improvement in the response speed of logic devices. The results are corroborated by circuit experiments. Taken together, a reliable and rapid-response logic operation can be realized based on periodic force- and array-enhanced LCR.
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February 2021
Research Article|
February 01 2021
Enhanced logical chaotic resonance
Yuangen Yao
;
Yuangen Yao
a)
1
Department of Physics, College of Science, Huazhong Agricultural University
, Wuhan 430070, China
a)Author to whom correspondence should be addressed: yyg@mail.hzau.edu.cn
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Jun Ma
;
Jun Ma
2
Department of Physics, Lanzhou University of Technology
, Lanzhou 730050, China
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Rong Gui
;
Rong Gui
1
Department of Physics, College of Science, Huazhong Agricultural University
, Wuhan 430070, China
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Guanghui Cheng
Guanghui Cheng
3
Department of Electrical and Electronic Engineering, Wuhan Polytechnic University
, Wuhan 430048, China
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a)Author to whom correspondence should be addressed: yyg@mail.hzau.edu.cn
Chaos 31, 023103 (2021)
Article history
Received:
November 10 2020
Accepted:
January 11 2021
Citation
Yuangen Yao, Jun Ma, Rong Gui, Guanghui Cheng; Enhanced logical chaotic resonance. Chaos 1 February 2021; 31 (2): 023103. https://doi.org/10.1063/5.0037032
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