A general configuration for nonlinear circuit employing current-controlled nonlinearity: Application in Chua’s circuit

Ning Wang, Dan Xu, Ze Li and Quan Xu

Chaos, Solitons & Fractals, 2023, vol. 177, issue C

Abstract: In this paper, a general configuration for nonlinear circuit employing current-controlled nonlinearity is proposed, which has a simple topology and only contains three linear energy storage components, one nonlinear element, and one multi-port network that can be made by linear resistor. Under this configuration, we design two new five-element chaotic circuits including the first third-order one employing a current-controlled anti-parallel connection diode pair and the second fourth-order one employing a current-controlled memristor emulator. The analyses show that the third-order chaotic circuit is dual to the canonical Chua’s circuit, and the extended fourth-order one can be regarded as a dual canonical memristive Chua’s circuit. The basic analyses including the model description, equilibrium point and stability are presented. Several rich dynamical properties of the two chaotic circuits are investigated using numerical simulations and certified by both Pspice circuit simulations and analog circuit measurements.

Keywords: Chua’s circuit; Dual Chua’s circuit; Memristive circuit; Current-controlled nonlinearity; Experimental implementation (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eee:chsofr:v:177:y:2023:i:c:s0960077923011359

DOI: 10.1016/j.chaos.2023.114233

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