Memristor chaotic circuit based on Chua's circuit

Abstract

The invention relates to a memristor chaotic circuit based on the Chua's circuit, which is characterized in that a first operational amplifier A1, a second operational amplifier A2 and a third operational amplifier A3 constitute a linear phase-reversing integrator, a fourth operational amplifier A4 constitutes a linear phase-reversing amplifier, and the output ends of the first operational amplifier A1, the fourth operational amplifier A4, the third operational amplifier A3 and a sixth operational amplifier A6 are respectively a chaotic signal output end X1, a chaotic signal output end X2, a chaotic signal output end X3 and a chaotic signal output end U; a phase-reversing integrator A1 is connected with a phase-reversing integrator A2, a phase-reversing integrator A6 and a second analog multiplier M2; the phase-reversing integrator A2 is connected with the first operational amplifier A2 and the fourth operational amplifier A4; the phase-reversing integrator A3 is connected with the phase-reversing integrator A2; the A1, A2, A3 and A4 constitute a third-order dynamic integrator circuit; and the A5, A6, M1 and M2 constitute a memristor circuit. Disclosed by the invention is a chaoticcircuit which can output various waveforms, phase diagrams and chaotic evolution curves of a memristor chaotic circuit based on the Chua's circuit and can form a chaotic secure communication system.

Description

technical field [0001] The invention belongs to nonlinear circuits, often called chaotic circuits, and in particular relates to a memristor chaotic circuit based on Chua's circuit. Background technique [0002] Chaotic circuit is a new type of circuit with very broad application prospects, and memristor is a novel concept in modern circuits. In 2010, the 6th paper of "Acta Physica" "Dynamic Analysis of Memristive Chaotic Oscillator" and the 12th paper of "Acta Physica" in 2011 "Analysis and Realization of Memristive Chaotic Circuit" completed a Chua's circuit-based The design of the memristive chaotic circuit, but the dynamic core circuit element used is a capacitor instead of an operational amplifier, which limits the dynamic range of the chaotic circuit design, which is a defect of the prior art and a deficiency of the existing chaotic circuit technology. Contents of the invention [0003] The purpose of the present invention is to solve the above-mentioned deficiencies...

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Problems solved by technology

In 2010, the 6th paper of "Acta Physica" "Dynamic Analysis of Memristive Chaotic Oscillator" and the 12th paper of "Acta Physica" in 2011 "Analysis and Realization of Memristive Chaotic Circuit" completed a Chua's circuit-based The design of the memristive chaotic circuit, but the dynamic core circuit element used is a capacitor instead of an operational amplifier, which limits the dynamic range of the chaotic circuit design, which is the defect of the existing technology and the deficiency of the existing chaotic circuit technology

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