Journal
CHAOS SOLITONS & FRACTALS
Volume 160, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2022.112241
Keywords
Memristor; Memristive circuits; chaos; Neuromorphic dynamics; Edge of chaos
Categories
Funding
- National Natural Science Founda-tion of China [62171173, 61771176]
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Due to the limitations of Moore's Law and von Neumann computing architecture, neuromorphic computing is a better choice for information processing. This paper proposes a tri-stable locally active memristor model to study the neuromorphic dynamics of memristive neurons. The memristive circuits can generate various neuromorphic patterns near the edge of chaos, demonstrating their potential as memristive neurons.
Because of the physical limits of Moore's Law and von Neumann computing architecture, neuromorphic computing becomes a better choice to process information. The memristor, as a great candidate for the neuromorphic device, can emulate neuromorphic functions. In order to study the neuromorphic dynamics of memristive neurons, this paper proposes a tri-stable locally active memristor model via Chua's unfolding principle. The second order and third-order memristive circuits are established by connecting energy-storage elements (inductor or capacitor) via the Hopf bifurcation and edge of chaos theorem. We further demonstrate that the memristive circuits can produce multiple kinds of neuromorphic patterns on the RHP domain near the edge of chaos, such as resting states, self-sustained oscillations, chaos, phasic bursting behaviors, burst-number adaption behaviors, refractory period behaviors, spike latency behaviors, all-or-nothing firing behaviors, tonic spiking behaviors, phasic spiking behaviors, and coexisting behaviors. Thus, this kind of memristive circuits can be considered as memristive neurons because of its neuromorphic functions.(c) 2022 Elsevier Ltd. All rights reserved.
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