Fourth-order double-vortex-type cellular neural network hyperchaotic circuit

Abstract

The invention discloses a fourth-order double-vortex type chaotic circuit. The fourth-order double-vortex type chaotic circuit is characterized in that a third operational amplifier A<3>, a fourth operational amplifier A<4>, a fifth operational amplifier A<5> and a seventh operational amplifier A<7> of the fourth-order double-vortex type chaotic circuit form linear reversed-phase integrators, and output ends of the third operational amplifier A<3>, the fourth operational amplifier A<4>, the fifth operational amplifier A<5> and the seventh operational amplifier A<7> are chaotic signal output ends X<1>, X<2>, X<3> and X<4> respectively; a second operational amplifier A<2> forms a nonlinear reversed-phase amplifier; a first operational amplifier A<1> and a sixth operational amplifier A<6> form linear reversed-phase limiting amplifiers; the reversed-phase integrator A<3> is connected with the reversed-phase amplifier A<1>; the reversed-phase integrator A<4> is connected with the reversed-phase integrators A<3> and A<5>; the reversed-phase integrator A<5> is connected with the reversed-phase integrator A<4>and the reversed-phase amplifier A<6>; the reversed-phase integrator A<7> is connected with the reversed-phase integrator A<4>. The fourth-order double-vortex type chaotic circuit has the advantages that the fourth-order double-vortex type chaotic circuit is a chaotic circuit, accordingly, various waveforms, phase diagrams and chaotic evolution curves of the fourth-order chaotic circuit of a neural network can be outputted, and chaotic security communication systems can be formed.

Description

technical field [0001] The invention belongs to a nonlinear circuit, which is often called a chaotic circuit, and specifically relates to a fourth-order double-vortex type cellular neural network hyperchaotic circuit. Background technique [0002] The neural network chaotic circuit is an important part of the nonlinear circuit. Its patent number is 200810129213.9 "A Switchable Multiple Types of Third-Order Chaotic Combined Circuit and Its Application Method". The fifth circuit is a fourth-order dual Vortex-type cellular neural network hyperchaotic circuit, composed of eight-stage operational amplifiers, can only realize third-order cellular neural network chaos, and cannot realize high-order cellular neural network hyperchaos, hyperchaos is high-order chaos, and cannot realize double-vortex type Cellular neural network hyperchaos is the deficiency of existing circuit technology. Contents of the invention [0003] The purpose of the present invention is to solve the above ...

AI Technical Summary

Problems solved by technology

[0002] The neural network chaotic circuit is an important part of the nonlinear circuit. Its patent No. 200810129213.9 is "a switchable multi-type third-order chaotic combined circuit and its use method". The fifth circuit is a fourth-order dual Vortex-type cellular neural network hyperchaotic circuit, composed of eight-stage operational amplifiers, can only realize third-order cellular neural network chaos, and cannot realize high-order cellular neural network hyperchaos, super-chaos is high-order chaos, and cannot realize double-vortex type Hyperchaos in Cellular Neural Networks is a Shortcoming of Existing Circuit Technology

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