Abstract
We investigate the effect of two aperiodic square waves in a quasiperiodically-driven Murali–Lakshmanan–Chua circuit. It is found that the response of the circuit produces logical output in both strange nonchaotic and chaotic regions. Changing the biasing of the circuit changes the response of the circuit into another kind of logic operation and SR flip flop. Further, we show how this circuit produces two logical elements as its outputs which are complementary to each other. It is also shown that the logical nature of the circuit persists even when experimental noise is present. Thus, we confirm that both the dynamical behaviours, namely strange nonchaos and chaos, can be efficient tools to construct computer architecture.
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Acknowledgements
Authors would like to thank Dr K Srinivasan and Mr P Megavarna Ezhilarasu for helping them with experimental verification. MS is grateful to CSIR for providing a fellowship under SRF Scheme No. 08/711(0001)2K19-EMR-I. The work of MS and ML forms part of a research project sponsored by DST-SERB under Grant No. EMR/2014/001076. AV is supported by the DST-SERB research project under Grant No. EMR/2017/002813. ML also acknowledges the financial support under the DST-SERB Distinguished Fellowship program under Grant No. SB/DF/04/2017.
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Sathish Aravindh, M., Gopal, R., Venkatesan, A. et al. Realisation of parallel logic elements and memory latch in a quasiperiodically-driven simple nonlinear circuit. Pramana - J Phys 94, 78 (2020). https://doi.org/10.1007/s12043-020-1939-4
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DOI: https://doi.org/10.1007/s12043-020-1939-4
Keywords
- Strange nonchaotic attractors
- quasiperiodically-driven Murali–Lakshmanan–Chua circuit
- logical strange nonchaotic attractors
- logical chaos