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Time-lag neural network hyperchaos circuit

A neural network, hyperchaotic technology, applied in the field of nonlinear circuits

Active Publication Date: 2016-02-17
CHINA UNIV OF PETROLEUM (EAST CHINA)
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The current neural network circuit considers the normal working state, but in the actual circuit, most of them have a lot of interference

Method used

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Embodiment

[0027] will attach figure 1 X1 and X2 are connected to the two channels of the oscilloscope, which can display the super chaotic phase diagram of X1 and X2. If the resistor R161 is an adjustable resistor, the X1-X2 phase diagram with different lag times can be displayed: when R161=0.5kΩ, the lag time is 1ms, and the output phase diagram is as follows Image 6 Shown; when R161=1kΩ, the lag time is 2ms, the output phase diagram is as follows Figure 7 shown.

[0028] The component parameters of the implementation of the present invention are as follows: the model of the operational amplifier is LM358, the model of the diode is 1N4148, and the model of the relay is EDR201A05. Integrated circuit: R1=R3=R5=R6=R8=R13=R9=R15=R16=R18=1.0kΩ, R4=3.0kΩ, R7=5.0kΩ, R14=5.0kΩ, R17=3.0kΩ, C1=C2= 1μF; time delay circuit: R2=R158=1.0kΩ, R161=0.5kΩ, C34=1μF; excitation circuit: R19=R20=R21=R22=R23=R25=R55=1kΩ; on-line circuit: R135=R136=R137= R138=R139=R140=1.0kΩ; offline circuit: R141=R142...

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Abstract

The invention discloses a time-lag neural network hyperchaos circuit which belongs to the field of nonlinear circuits. The circuit comprises an integration circuit, a time lag module and an excitation module, and can generate a chaotic signal under the interference of a pulse signal. The integration circuit consists of an operational amplifier U1, an operational amplifier U2, an operational amplifier U5, an operational amplifier U6, an operational amplifier U3, and an operational amplifier U9. The time lag module comprises a first time lag module HB1 and a second time lag module HB5. The excitation module comprises a first excitation module HB2, a second excitation module HB3, a third excitation module HB4, and a fourth excitation module HB6. Compared with the prior art, the circuit has the improvement that a time-lag hyperchaos neural network phase diagram is represented under different interferences through adjusting a pulse voltage value.

Description

technical field [0001] The invention belongs to the field of nonlinear circuits, in particular to a time-delay neural network hyperchaotic circuit. Background technique [0002] Neural network is a kind of complex dynamic system, and the system can show chaotic characteristics by choosing appropriate parameters. Neural network circuit is an important part of nonlinear circuit. Because of its strong concealment, chaotic neural network circuit can have great use value in secure communication and image processing. The current neural network circuit considers the normal working state, but in the actual circuit, most of them have a lot of interference. Therefore, the hyperchaotic neural network with impulsive effect can better reflect the impulsive interference in the actual circuit, and has better adaptability in secure communication. Contents of the invention [0003] The object of the present invention is to propose a time-delay hyper-chaotic neural network circuit, which ...

Claims

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Application Information

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IPC IPC(8): H04L9/00
Inventor 盛立牛艺春高明刘金鑫
Owner CHINA UNIV OF PETROLEUM (EAST CHINA)
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