A Lorenz-like Chaotic OTA-C Circuit and Memristive Synchronization

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Chaos Theory and Applications
Volume:5 Issue:1
A Lorenz-like Chaotic OTA-C Circuit and Memristive Synchronization

A Lorenz-like Chaotic OTA-C Circuit and Memristive Synchronization

Authors : Şule Zeynep AYDIN, Gökçe Nur BEKEN, Zehra Gülru ÇAM TAŞKIRAN

Pages : 52-58

Doi:10.51537/chaos.1204681

View : 38 | Download : 10

Publication Date : 2023-03-31

Article Type : Research Paper

Abstract :In this paper, a new set of lorenz-like hyper-chaotic equation set is obtained using the anti-control procedure. The chaoticity of the system is verified by MATLAB simulations using mathematical analysis methods. A new OTA-C circuit is designed for the new equation set. In the difference term addition technique, synchronizing the OTA-C circuit with a memristor rather than a resistor is proposed. Circuit design and synchronization are performed in PSpice simulation. The fact that the transresistance of the OTA element can be easily adjusted with a bias current provides the parameters that will make the proposed dynamic circuit a chaotic oscillator. The advantage of the proposed synchronization method is that the memristor automatically reaches to the value that will provide the required weight of the differential term required for synchronization, rather than the computational methods used to determine the weight.
Keywords : new chaotic system, control parameter, operational transconductance amplifier, synchronization, memristor

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