Dynamical Properties of a Modified Chaotic Colpitts Oscillator with Logarithmic Function

被引:0
|
作者
Kumar, K. A. Niranjan [1 ]
Devi, R. Narmada [1 ]
Rasappan, Suresh [2 ]
机构
[1] Vel Tech Rangarajan Dr Sagunthala R&D Inst Sci &, Dept Math, Chennai 62, Tamil Nadu, India
[2] Univ Technol & Appl Sci, Informat Technol Dept, Math Sect, Ibri, Oman
关键词
chaos; Colpitts oscillator; diffusion; Lyapunov exponent; logarithmic function non-linearity; stability; synchronization; BACKSTEPPING CONTROL DESIGN; ADAPTIVE-CONTROL; SYNCHRONIZATION; SYSTEM; STABILITY; CIRCUIT;
D O I
暂无
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In this paper, two logarithmic non-linearities are proposed for a new four-dimensional chaotic system. The phase portrait, Lyapunov exponent, bifurcation, stability, and other dynamical features of the new chaotic system are all discussed. The multi-stability of the new chaotic system with coexisting attractors has been established. The adaptive backstepping control approach with proper Lyapunov functions is used in the control application to retrieve the unknown parameters of the system. To synchronise the states between the drive-response system, non-linear feedback control is used, as well as backstepping control to synchronise the states on the system's error dynamics. Op-amp circuits are used to create the electronic circuit design for a new chaotic system. The system's efficiency is confirmed using MATLAB numerical simulation.
引用
收藏
页码:1107 / 1119
页数:13
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