FPGA implementation of novel fractional-order chaotic systems with two equilibriums and no equilibrium and its adaptive sliding mode synchronization

K Rajagopal, A Karthikeyan, AK Srinivasan - Nonlinear Dynamics, 2017 - Springer
This paper introduces two novel fractional-order chaotic systems with cubic nonlinear
resistor and investigates its adaptive sliding mode synchronization. Firstly the novel two …

Fractional order memristor no equilibrium chaotic system with its adaptive sliding mode synchronization and genetically optimized fractional order PID synchronization

K Rajagopal, L Guessas, A Karthikeyan… - …, 2017 - Wiley Online Library
This paper introduces a fractional order memristor no equilibrium (FOMNE) chaotic system
and investigates its adaptive sliding mode synchronization. Firstly the dynamic properties of …

Dynamical analysis, sliding mode synchronization of a fractional-order memristor Hopfield neural network with parameter uncertainties and its non-fractional-order …

K Rajagopal, M Tuna, A Karthikeyan, İ Koyuncu… - The European Physical …, 2019 - Springer
Recent developments in the applications of neural networks in various engineering and
technology applications have motivated researchers to study the nonlinear behavior of such …

Dynamic analysis and chaos suppression in a fractional order brushless DC motor

K Rajagopal, S Vaidyanathan, A Karthikeyan… - Electrical …, 2017 - Springer
This paper investigates the dynamic properties and chaos control in a fractional order
brushless DC (BLDC) motor. The fractional order model of the brushless DC motor has been …

A no-equilibrium memristive system with four-wing hyperchaotic attractor

K Rajagopal, A Bayani, AJM Khalaf, H Namazi… - … -International Journal of …, 2018 - Elsevier
A new memristive system is proposed in this paper which can have no equilibrium and a line
of equilibrium based on the value of its controlling parameter. Also, changing that parameter …

Control, synchronisation and antisynchronisation of chaos in two non-identical Josephson junction models via sliding mode control and its FPGA implementation

B Ramakrishnan, VK Tamba, J Metsebo… - Pramana, 2023 - Springer
The control, synchronisation and antisynchronisation of chaos in Josephson junction (JJ)
and linear piecewise JJ models via sliding mode control method are investigated in this …

Autonomous Jerk oscillator with cosine hyperbolic nonlinearity: analysis, FPGA implementation, and synchronization

K Rajagopal, S Takougang Kingni… - Advances in …, 2018 - Wiley Online Library
A two‐parameter autonomous jerk oscillator with a cosine hyperbolic nonlinearity is
proposed in this paper. Firstly, the stability of equilibrium points of proposed autonomous …

Analysis, control and FPGA implementation of a fractional-order modified Shinriki circuit

K Rajagopal, F Nazarimehr, L Guessas… - Journal of Circuits …, 2019 - World Scientific
In this paper, we introduce a novel integer-order memristor-modified Shinriki circuit (MMSC).
We investigate the dynamic properties of the MMSC system and the existence of chaos is …

Scheme for chaos-based encryption and lyapunov analysis

KHM Gularte, LNC Rêgo… - 2018 IEEE International …, 2018 - ieeexplore.ieee.org
This paper proposes a scheme for secure telecommunication based on the synchronization
of an under-actuated chaotic Lorenz system, Lyapunov analysis and analog electronics …

Shimizu–Morioka's chaos synchronization: An efficacy analysis of active control and backstepping methods

A Tarammim, MT Akter - Frontiers in Applied Mathematics and …, 2023 - frontiersin.org
This research study inspects the effectiveness of synchronization methods such as active
control and backstepping control from systematic design procedures of a synchronized …