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Karthikeyan Rajagopal
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2020 – today
- 2024
- [j107]Karthikeyan Rajagopal, Dorsa Nezhad Hajian
, Hayder Natiq, Yuexi Peng, Fatemeh Parastesh
, Sajad Jafari
:
Effect of Gaussian gradient in the medium's action potential morphology on spiral waves. Appl. Math. Comput. 470: 128590 (2024) - [j106]Joseph Dianavinnarasi
, Rakshanaa Kumar, Anitha Karthikeyan, Karthikeyan Rajagopal:
Dynamics, synchronization and traveling wave patterns of flux coupled network of Chay neurons. Biosyst. 235: 105113 (2024) - [j105]Dorsa Nezhad Hajian, Fatemeh Parastesh, Karthikeyan Rajagopal, Sajad Jafari, Matjaz Perc
:
Weak synaptic connections may facilitate spiral wave formation under source-sink interactions. Commun. Nonlinear Sci. Numer. Simul. 136: 108096 (2024) - [j104]Rajeskannan Subramanian, Serdar Çiçek
, Akif Akgul
, Girma Adam
, Anitha Karthikeyan, Karthikeyan Rajagopal
:
Dynamical Analysis of a Quadratic Megastable Chaotic Oscillator and Its Application in Biometric Fingerprint Image Encryption. Complex. 2024: 2005801:1-2005801:15 (2024) - [j103]Sridevi Sriram, Lucas Kana Kemgang, M. F. Rakhmatullaeva, Karthikeyan Rajagopal, Jacques Kengne:
Multistability and Four-Scroll Chaos in a Pair of Coupled Second-Order Damped Oscillators with Hyperbolic Sine Function: Theoretical Study and Circuit Simulation. Circuits Syst. Signal Process. 43(4): 2016-2050 (2024) - [j102]Premraj Durairaj
, Sathiyadevi Kanagaraj
, Zhigang Zheng
, Anitha Karthikeyan
, Karthikeyan Rajagopal
:
Emergence of Hidden Strange Nonchaotic Attractors in a Rational Memristive Map. Int. J. Bifurc. Chaos 34(2): 2450017:1-2450017:11 (2024) - [j101]Atefeh Ahmadi
, Sridevi Sriram
, Ahmed M. Ali Ali
, Karthikeyan Rajagopal
, Nikhil Pal
, Sajad Jafari
:
A Nonlinear Megastable System with Diamond-Shaped Oscillators. Int. J. Bifurc. Chaos 34(4): 2450053:1-2450053:11 (2024) - [j100]Gokulakrishnan Sriram, Ahmed M. Ali Ali, Hayder Natiq, Atefeh Ahmadi
, Karthikeyan Rajagopal, Sajad Jafari
:
Dynamics of a novel chaotic map. J. Comput. Appl. Math. 436: 115453 (2024) - [j99]Balamurali Ramakrishnan, Yannick Pascal Kamdeu Nkandeu, Victor Kamdoum Tamba, André Rodrigue Tchamda, Karthikeyan Rajagopal:
Image encryption based on S-box generation constructed by using a chaotic autonomous snap system with only one equilibrium point. Multim. Tools Appl. 83(8): 23509-23532 (2024) - 2023
- [j98]Sridevi Sriram, Karthikeyan Rajagopal, Anitha Karthikeyan, Akif Akgul
:
Memristive field effect in a single and multilayer neural network with different connection topologies. Appl. Math. Comput. 457: 128171 (2023) - [j97]Karthikeyan Rajagopal, Anitha Karthikeyan:
Complex dynamics in a fractional order nephron pressure and flow regulation model. Biosyst. 230: 104931 (2023) - [j96]Sathiyadevi Kanagaraj
, Premraj Durairaj
, Sivaperumal Sampath
, Anitha Karthikeyan, Karthikeyan Rajagopal:
Collective dynamics of a coupled Hindmarsh-Rose neurons with locally active memristor. Biosyst. 232: 105010 (2023) - [j95]Joseph Dianavinnarasi
, Raja Ramachandran, Anitha Karthikeyan, Karthikeyan Rajagopal:
Synchronization Studies of Hindmarsh-Rose Neuron Networks: Unraveling the Influence of connection induced memristive synapse. Biosyst. 234: 105069 (2023) - [j94]Sheida Ansarinasab, Fatemeh Parastesh
, Farnaz Ghassemi
, Karthikeyan Rajagopal, Sajad Jafari, Dibakar Ghosh:
Synchronization in functional brain networks of children suffering from ADHD based on Hindmarsh-Rose neuronal model. Comput. Biol. Medicine 152: 106461 (2023) - [j93]Mohanasubha Ramasamy
, Suresh Kumarasamy
, Sakthi Kumar Sampathkumar
, Anitha Karthikeyan
, Karthikeyan Rajagopal
:
Synchronizability of Discrete Nonlinear Systems: A Master Stability Function Approach. Complex. 2023: 6616560:1-6616560:10 (2023) - [j92]Sriram Parthasarathy, Fatemeh Parastesh, Hayder Natiq, Karthikeyan Rajagopal
, Sajad Jafari
:
Effect of Electrical and Chemical Autapse on the Firing Pattern and Synchronization of the Rulkov Neuron Model. Complex. 2023: 8459009:1-8459009:15 (2023) - [j91]Himanshu Sharma, Karthikeyan Rajagopal, G. Gugapriya, Rajneesh Pareek, Arun Kumar, Haya Mesfer Alshahrani, Mohamed K. Nour, Hany Mahgoub, Mohamed Mousa, Anwer Mustafa Hilal:
Peak-Average-Power Ratio Techniques for 5G Waveforms Using D-SLM and D-PTS. Comput. Syst. Sci. Eng. 45(2): 1199-1210 (2023) - [j90]Nidhi Gour, Rajneesh Pareek, Karthikeyan Rajagopal, Himanshu Sharma, Mrim M. Alnfiai
, Mohammed A. Alzain, Mehedi Masud, Arun Kumar:
A Novel Approximate Message Passing Detection for Massive MIMO 5G System. Comput. Syst. Sci. Eng. 45(3): 2827-2835 (2023) - [j89]Sosthene Tsamene Tanekou
, Janarthanan Ramadoss, Jacques Kengne, Germaine Djuidje Kenmoe, Karthikeyan Rajagopal:
Coexistence of Periodic, Chaotic and Hyperchaotic Attractors in a System Consisting of a Duffing Oscillator Coupled to a van der Pol Oscillator. Int. J. Bifurc. Chaos 33(2): 2330004:1-2330004:31 (2023) - [j88]Sriram Parthasarathy, Hayder Natiq, Karthikeyan Rajagopal, Mahdi Nourian Zavareh, Fahimeh Nazarimehr
:
A Conservative Chaotic Oscillator: Dynamical Analysis and Circuit Implementation. Int. J. Bifurc. Chaos 33(3): 2350038:1-2350038:10 (2023) - [j87]Atefeh Ahmadi
, Sriram Parthasarathy, Nikhil Pal, Karthikeyan Rajagopal, Sajad Jafari
, Esteban Tlelo-Cuautle:
Extreme Multistability and Extreme Events in a Novel Chaotic Circuit with Hidden Attractors. Int. J. Bifurc. Chaos 33(7): 2330016:1-2330016:17 (2023) - [j86]Sridevi Sriram, Hayder Natiq, Karthikeyan Rajagopal, Fatemeh Parastesh, Sajad Jafari
:
Uncovering the Correlation Between Spindle and Ripple Dynamics and Synaptic Connections in a Hippocampal-Thalamic-Cortical Model. Int. J. Bifurc. Chaos 33(9): 2350109:1-2350109:30 (2023) - [j85]Gayathri Vivekanandhan, Mahtab Mehrabbeik, Hayder Natiq, Nikhil Pal, Karthikeyan Rajagopal, Sajad Jafari
:
Chaotic Behavior of the Basal Ganglia Cortical Thalamic Model for Absence Seizures: A Comprehensive Dynamical Analysis. Int. J. Bifurc. Chaos 33(11): 2350126:1-2350126:27 (2023) - [j84]Karthikeyan Rajagopal
, Sathiyadevi Kanagaraj
, Christos K. Volos
, Anitha Karthikeyan:
Influence of Parametric Symmetry on the Dynamics of 3D Sinusoidal Discrete Systems. Symmetry 15(4): 780 (2023) - [j83]Rashid Jan
, Salah Mahmoud Boulaaras, Muhammad Jawad, Karthikeyan Rajagopal:
Effect of virotherapy treatment on the dynamics of tumor growth through fractional calculus. Trans. Inst. Meas. Control 45(15): 2981-2996 (2023) - 2022
- [j82]Nazanin Zandi Mehran, Fahimeh Nazarimehr
, Karthikeyan Rajagopal, Dibakar Ghosh, Sajad Jafari
, Guanrong Chen:
FFT bifurcation: A tool for spectrum analyzing of dynamical systems. Appl. Math. Comput. 422: 126986 (2022) - [j81]Zahra Shahriari
, Fahimeh Nazarimehr
, Karthikeyan Rajagopal, Sajad Jafari
, Matjaz Perc
, Milan Svetec:
Cryptocurrency price analysis with ordinal partition networks. Appl. Math. Comput. 430: 127237 (2022) - [j80]Mohanasubha Ramasamy, Subhasri Devarajan, Suresh Kumarasamy
, Karthikeyan Rajagopal
:
Effect of higher-order interactions on synchronization of neuron models with electromagnetic induction. Appl. Math. Comput. 434: 127447 (2022) - [j79]Hayath Thameem Basha
, Karthikeyan Rajagopal
, N. Ameer Ahammad
, S. Sathish, Sreedhara Rao Gunakala
:
Finite Difference Computation of Au-Cu/Magneto-Bio-Hybrid Nanofluid Flow in an Inclined Uneven Stenosis Artery. Complex. 2022: 2078372:1-2078372:18 (2022) - [j78]Adelaïde Nicole Kengnou Telem
, Cyrille Feudjio, Balamurali Ramakrishnan, Hilaire Bertrand Fotsin, Karthikeyan Rajagopal
:
A Simple Image Encryption Based on Binary Image Affine Transformation and Zigzag Process. Complex. 2022: 3865820:1-3865820:22 (2022) - [j77]Balamurali Ramakrishnan
, Mohamed Abdalla
, Salah Mahmoud Boulaaras, Karthikeyan Rajagopal
:
Driven Force Induced Bifurcation Delay on the Chaotic Financial System. Complex. 2022: 5986732:1-5986732:7 (2022) - [j76]Arthanari Ramesh
, Alireza Bahramian
, Hayder Natiq
, Karthikeyan Rajagopal
, Sajad Jafari
, Iqtadar Hussain
:
A Novel Highly Nonlinear Quadratic System: Impulsive Stabilization, Complexity Analysis, and Circuit Designing. Complex. 2022: 6279373:1-6279373:14 (2022) - [j75]Janarthanan Ramadoss, Romanic Kengne
, Dianorré Tokoue Ngatcha, Victor Kamdoum Tamba, Karthikeyan Rajagopal
, Marceline Motchongom Tingue:
A Three-Dimensional Autonomous System with a Parabolic Equilibrium: Dynamical Analysis, Adaptive Synchronization via Relay Coupling, and Applications to Steganography and Chaos Encryption. Complex. 2022: 8362836:1-8362836:12 (2022) - [j74]Dhinakaran Veeman
, Hayder Natiq
, Ahmed M. Ali Ali
, Karthikeyan Rajagopal
, Iqtadar Hussain
:
A Simple Conservative Chaotic Oscillator with Line of Equilibria: Bifurcation Plot, Basin Analysis, and Multistability. Complex. 2022: 9345036:1-9345036:7 (2022) - [j73]Léandre Kamdjeu Kengne, Janarthanan Ramadoss, Jacques Kengne, Karthikeyan Rajagopal:
Symmetry Breaking-Induced Dynamics for a Fourth-Order Memristor-Based Chaotic Circuit. Circuits Syst. Signal Process. 41(7): 3706-3738 (2022) - [j72]Dorsa Nezhad Hajian
, Sriram Parthasarathy, Fatemeh Parastesh, Karthikeyan Rajagopal, Sajad Jafari
:
Dominant Attractor in Coupled Non-Identical Chaotic Systems. Entropy 24(12): 1807 (2022) - [j71]Dhinakaran Veeman
, Mahtab Mehrabbeik, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari
, Iqtadar Hussain:
A New Chaotic System with Coexisting Attractors. Int. J. Bifurc. Chaos 32(3): 2230007:1-2230007:15 (2022) - [j70]M. D. Vijayakumar, Hayder Natiq, Gervais Dolvis Leutcho
, Karthikeyan Rajagopal, Sajad Jafari
, Iqtadar Hussain:
Hidden and Self-Excited Collective Dynamics of a New Multistable Hyper-Jerk System with Unique Equilibrium. Int. J. Bifurc. Chaos 32(5): 2250063:1-2250063:20 (2022) - [j69]Mohadeseh Shafiei Kafraj, Fahimeh Nazarimehr
, Dibakar Ghosh, Karthikeyan Rajagopal, Sajad Jafari
, Julien Clinton Sprott:
Effects of Amplitude, Maximal Lyapunov Exponent, and Kaplan-Yorke Dimension of Dynamical Oscillators on Master Stability Function. Int. J. Bifurc. Chaos 32(5): 2250067:1-2250067:8 (2022) - [j68]Bahareh Karimi Rahjerdi, Ramesh Ramamoorthy, Fahimeh Nazarimehr
, Karthikeyan Rajagopal, Sajad Jafari, Iqtadar Hussain:
Investigating Bifurcation Points of Complex Network Synchronization. Int. J. Bifurc. Chaos 32(7): 2250098:1-2250098:20 (2022) - [j67]Premraj Durairaj
, Sathiyadevi Kanagaraj, Kathamuthu Thamilmaran, Karthikeyan Rajagopal:
Strange Nonchaotic Attractors in Memristor-Based Shimizu-Morioka Oscillator. Int. J. Bifurc. Chaos 32(9): 2230022:1-2230022:13 (2022) - [j66]Balamurali Ramakrishnan, Hayder Natiq, Karthikeyan Rajagopal, Sajad Jafari
, Fahimeh Nazarimehr:
A Novel Megastable System: Cloud, Kite, and Arrow-Like Attractors and Their Dynamics. Int. J. Bifurc. Chaos 32(10): 2250152:1-2250152:9 (2022) - [j65]Hermann-Dior Mekak-Egong, Balamurali Ramakrishnan, Adelaïde Nicole Kengnou Telem, Karthikeyan Rajagopal, Jacques Kengne:
Multiscroll in Bidirectionally Coupled Jerk Oscillators: Theoretical Analysis and PSpice Verification. Int. J. Bifurc. Chaos 32(14): 2250211:1-2250211:21 (2022) - [j64]Li Li, Ahmed A. Abd El-Latif
, Sajad Jafari
, Karthikeyan Rajagopal, Fahimeh Nazarimehr
, Bassem Abd-El-Atty
:
Multimedia Cryptosystem for IoT Applications Based on a Novel Chaotic System around a Predefined Manifold. Sensors 22(1): 334 (2022) - 2021
- [j63]Karthikeyan Rajagopal
, Iqtadar Hussain, Zahra Rostami, Chunbiao Li
, Viet-Thanh Pham, Sajad Jafari
:
Magnetic induction can control the effect of external electrical stimuli on the spiral wave. Appl. Math. Comput. 390: 125608 (2021) - [j62]Janarthanan Ramadoss, Sajedeh Aghababaei
, Fatemeh Parastesh
, Karthikeyan Rajagopal
, Sajad Jafari
, Iqtadar Hussain
:
Chimera State in the Network of Fractional-Order FitzHugh-Nagumo Neurons. Complex. 2021: 2437737:1-2437737:9 (2021) - [j61]Kui Zhang, M. D. Vijayakumar, Sajjad Shaukat Jamal, Hayder Natiq
, Karthikeyan Rajagopal, Sajad Jafari
, Iqtadar Hussain:
A Novel Megastable Oscillator with a Strange Structure of Coexisting Attractors: Design, Analysis, and FPGA Implementation. Complex. 2021: 2594965:1-2594965:11 (2021) - [j60]Abdul-Basset A. Al-Hussein
, Fadhil Rahma Tahir, Karthikeyan Rajagopal:
Chaotic Power System Stabilization Based on Novel Incommensurate Fractional-Order Linear Augmentation Controller. Complex. 2021: 3334609:1-3334609:13 (2021) - [j59]Dhinakaran Veeman
, Hayder Natiq
, Nadia M. G. Al-Saidi
, Karthikeyan Rajagopal
, Sajad Jafari
, Iqtadar Hussain:
A New Megastable Chaotic Oscillator with Blinking Oscillation terms. Complex. 2021: 5518633:1-5518633:12 (2021) - [j58]Amor Menaceur
, Salah Mahmoud Boulaaras
, Amar Makhlouf, Karthikeyan Rajagopal
, Mohamed Abdalla
:
Limit Cycles of a Class of Perturbed Differential Systems via the First-Order Averaging Method. Complex. 2021: 5581423:1-5581423:6 (2021) - [j57]Ran Wang
, Chunbiao Li
, Serdar Çiçek
, Karthikeyan Rajagopal
, Xin Zhang
:
A Memristive Hyperjerk Chaotic System: Amplitude Control, FPGA Design, and Prediction with Artificial Neural Network. Complex. 2021: 6636813:1-6636813:17 (2021) - [j56]Salah Mahmoud Boulaaras, Abdelbaki Choucha, Mohamed Abdalla
, Karthikeyan Rajagopal, Sahar Ahmed Idris:
Blow-Up of Solutions for a Coupled Nonlinear Viscoelastic Equation with Degenerate Damping Terms: Without Kirchhoff Term. Complex. 2021: 6820219:1-6820219:9 (2021) - [j55]Ramesh Ramamoorthy, Sajjad Shaukat Jamal, Iqtadar Hussain, Mahtab Mehrabbeik
, Sajad Jafari
, Karthikeyan Rajagopal
:
A New Circumscribed Self-Excited Spherical Strange Attractor. Complex. 2021: 8068737:1-8068737:8 (2021) - [j54]Anitha Karthikeyan, Karthikeyan Rajagopal
, Victor Kamdoum Tamba, Girma Adam, Ashokkumar Srinivasan
:
A Simple Chaotic Wien Bridge Oscillator with a Fractional-Order Memristor and Its Combination Synchronization for Efficient Antiattack Capability. Complex. 2021: 8857075:1-8857075:13 (2021) - [j53]M. D. Vijayakumar, Sajjad Shaukat Jamal, Ahmed M. Ali Ali
, Karthikeyan Rajagopal, Sajad Jafari
, Iqtadar Hussain:
Proposing and Dynamical Analysis of a Hyperjerk Piecewise Linear Chaotic System with Offset Boostable Variable and Hidden Attractors. Complex. 2021: 9037271:1-9037271:11 (2021) - [j52]Changzhi Li, Dhanagopal Ramachandran, Karthikeyan Rajagopal
, Sajad Jafari
, Yongjian Liu:
Predicting Tipping Points in Chaotic Maps with Period-Doubling Bifurcations. Complex. 2021: 9927607:1-9927607:10 (2021) - [j51]Anitha Karthikeyan
, Serdar Çiçek
, Karthikeyan Rajagopal, Prakash Duraisamy
, Ashokkumar Srinivasan
:
New hyperchaotic system with single nonlinearity, its electronic circuit and encryption design based on current conveyor. Turkish J. Electr. Eng. Comput. Sci. 29(3): 1692-1705 (2021) - [j50]Jesús M. Muñoz-Pacheco
, Christos K. Volos
, Fernando E. Serrano
, Sajad Jafari
, Jacques Kengne
, Karthikeyan Rajagopal
:
Stabilization and Synchronization of a Complex Hidden Attractor Chaotic System by Backstepping Technique. Entropy 23(7): 921 (2021) - [j49]Haikong Lu, Karthikeyan Rajagopal, Fahimeh Nazarimehr
, Sajad Jafari
:
A New Multi-Scroll Megastable Oscillator Based on the Sign Function. Int. J. Bifurc. Chaos 31(8): 2150140:1-2150140:15 (2021) - [j48]Nafise Naseri, Sivabalan Ambigapathy, Mohadeseh Shafiei Kafraj, Farnaz Ghassemi
, Karthikeyan Rajagopal, Sajad Jafari
:
Connecting Curves as a Tool to Localize Hidden Attractors in a New Chaotic Hyperjerk System with No Equilibria. Int. J. Bifurc. Chaos 31(15): 2150230:1-2150230:10 (2021) - [j47]Arthanari Ramesh, Iqtadar Hussain
, Hayder Natiq, Mahtab Mehrabbeik, Sajad Jafari
, Karthikeyan Rajagopal:
A New System with a Self-Excited Fully-Quadratic Strange Attractor and Its Twin Strange Repeller. Int. J. Bifurc. Chaos 31(16): 2130047:1-2130047:10 (2021) - [j46]Jay Prakash Singh
, Karthikeyan Rajagopal, Binoy Krishna Roy:
Switching between Dissipative and Conservative Behaviors in a Modified Hyperchaotic System with the Variation of Its Parameter. Int. J. Bifurc. Chaos 31(16): 2130048:1-2130048:11 (2021) - [j45]Léandre Kamdjeu Kengne, Karthikeyan Rajagopal, Nestor Tsafack
, Paul Didier Kamdem Kuate, Balamurali Ramakrishnan, Jacques Kengne, Hilaire Bertrand Fotsin, Justin Roger Mboupda Pone:
Dynamical Effects of Offset Terms on a Modified Chua's Oscillator and Its Circuit Implementation. Int. J. Bifurc. Chaos 31(16): 2150243:1-2150243:17 (2021) - [j44]M. D. Vijayakumar, Alireza Bahramian, Hayder Natiq, Karthikeyan Rajagopal
, Iqtadar Hussain:
A Chaotic Quadratic Bistable Hyperjerk System with Hidden Attractors and a Wide Range of Sample Entropy: Impulsive Stabilization. Int. J. Bifurc. Chaos 31(16): 2150253:1-2150253:14 (2021) - [j43]Changzhi Li, Karthikeyan Rajagopal, Fahimeh Nazarimehr
, Yongjian Liu:
A non-autonomous chaotic system with no equilibrium. Integr. 79: 143-156 (2021) - [j42]Junxia Wang, Li Xiao, Karthikeyan Rajagopal, Akif Akgul
, Serdar Çiçek
, Burak Aricioglu:
Fractional-Order Analysis of Modified Chua's Circuit System with the Smooth Degree of 3 and Its Microcontroller-Based Implementation with Analog Circuit Design. Symmetry 13(2): 340 (2021) - 2020
- [j41]Zhouchao Wei, Yingying Li, Karthikeyan Rajagopal
:
Dynamic Analysis and FPGA Implementation of fractional-order Model of a 5D homopolar disc dynamo. Mechatron. Syst. Control. 48(1) (2020) - [j40]Chunsheng Feng
, Cunyun Nie, Haiyuan Yu
, Liping Zhou, Karthikeyan Rajagopal:
A Difference Scheme and Its Error Analysis for a Poisson Equation with Nonlocal Boundary Conditions. Complex. 2020: 6329404:1-6329404:7 (2020) - [j39]Anitha Karthikeyan, Karthikeyan Rajagopal
:
Network Dynamics of a Fractional-Order Phase-Locked Loop with Infinite Coexisting Attractors. Complex. 2020: 7902474:1-7902474:11 (2020) - [j38]Pankaj Prakash
, Karthikeyan Rajagopal
, Ismail Koyuncu
, Jay Prakash Singh
, Murat Alcin
, Binoy Krishna Roy, Murat Tuna
:
A Novel Simple 4-D Hyperchaotic System with a Saddle-Point Index-2 Equilibrium Point and Multistability: Design and FPGA-Based Applications. Circuits Syst. Signal Process. 39(9): 4259-4280 (2020) - [j37]Lazaros Moysis
, Christos K. Volos
, Sajad Jafari
, Jesús M. Muñoz-Pacheco
, Jacques Kengne
, Karthikeyan Rajagopal
, Ioannis N. Stouboulos
:
Modification of the Logistic Map Using Fuzzy Numbers with Application to Pseudorandom Number Generation and Image Encryption. Entropy 22(4): 474 (2020) - [j36]Christos K. Volos
, Sajad Jafari
, Jesús M. Muñoz-Pacheco
, Jacques Kengne
, Karthikeyan Rajagopal
:
Nonlinear Dynamics and Entropy of Complex Systems with Hidden and Self-Excited Attractors II. Entropy 22(12): 1428 (2020) - [j35]Karthikeyan Rajagopal
, Jay Prakash Singh
, Anitha Karthikeyan, Binoy Krishna Roy:
Existence of Metastable, Hyperchaos, Line of Equilibria and Self-Excited Attractors in a New Hyperjerk Oscillator. Int. J. Bifurc. Chaos 30(13): 2030037:1-2030037:8 (2020) - [j34]Sifeu Takougang Kingni
, Karthikeyan Rajagopal
, Serdar Çiçek
, Ashokkumar Srinivasan
, Anitha Karthikeyan:
Dynamic analysis, FPGA implementation, and cryptographic application of an autonomous 5D chaotic system with offset boosting. Frontiers Inf. Technol. Electron. Eng. 21(6): 950-961 (2020) - [j33]Karthikeyan Rajagopal
, Atiyeh Bayani, Sajad Jafari
, Anitha Karthikeyan
, Iqtadar Hussain
:
Chaotic dynamics of a fractional order glucose-insulin regulatory system. Frontiers Inf. Technol. Electron. Eng. 21(7): 1108-1118 (2020) - [j32]Karthikeyan Rajagopal
, Akif Akgul
, Sajad Jafari
, Anitha Karthikeyan
, Ünal Çavusoglu, Sezgin Kaçar:
An exponential jerk system, its fractional-order form with dynamical analysis and engineering application. Soft Comput. 24(10): 7469-7479 (2020)
2010 – 2019
- 2019
- [j31]Karthikeyan Rajagopal
, Akif Akgul, Irene M. Moroz, Zhouchao Wei, Sajad Jafari
, Iqtadar Hussain
:
A Simple Chaotic System With Topologically Different Attractors. IEEE Access 7: 89936-89947 (2019) - [j30]Fatemeh Parastesh
, Karthikeyan Rajagopal
, Fawaz E. Alsaadi, Tasawar Hayat, Viet-Thanh Pham, Iqtadar Hussain
:
Birth and death of spiral waves in a network of Hindmarsh-Rose neurons with exponential magnetic flux and excitable media. Appl. Math. Comput. 354: 377-384 (2019) - [j29]Karthikeyan Rajagopal
, Yesgat Admassu, Riessom Weldegiorgis, Prakash Duraisamy, Anitha Karthikeyan
:
Chaotic Dynamics of an Airfoil with Higher-Order Plunge and Pitch Stiffnesses in Incompressible Flow. Complex. 2019: 5234382:1-5234382:10 (2019) - [j28]Yasser Shekofteh
, Sajad Jafari
, Karthikeyan Rajagopal
, Viet-Thanh Pham:
Parameter Identification of Chaotic Systems Using a Modified Cost Function Including Static and Dynamic Information of Attractors in the State Space. Circuits Syst. Signal Process. 38(5): 2039-2054 (2019) - [j27]Christos K. Volos
, Sajad Jafari
, Jacques Kengne
, Jesús M. Muñoz-Pacheco
, Karthikeyan Rajagopal
:
Nonlinear Dynamics and Entropy of Complex Systems with Hidden and Self-Excited Attractors. Entropy 21(4): 370 (2019) - [j26]Karthikeyan Rajagopal
, Sajad Jafari
, Viet-Thanh Pham
, Zhouchao Wei, Premraj Durairaj
, Kathamuthu Thamilmaran, Anitha Karthikeyan
:
Antimonotonicity, Bifurcation and Multistability in the Vallis Model for El Niño. Int. J. Bifurc. Chaos 29(3): 1950032:1-1950032:15 (2019) - [j25]Karthikeyan Rajagopal
, Abdul Jalil M. Khalaf
, Zhouchao Wei, Viet-Thanh Pham, Ahmed Alsaedi, Tasawar Hayat:
Hyperchaos and Coexisting Attractors in a Modified van der Pol-Duffing Oscillator. Int. J. Bifurc. Chaos 29(5): 1950067:1-1950067:17 (2019) - [j24]Karthikeyan Rajagopal
, Fahimeh Nazarimehr
, Anitha Karthikeyan
, Ashokkumar Srinivasan
, Sajad Jafari
:
CAMO: Self-Excited and Hidden Chaotic Flows. Int. J. Bifurc. Chaos 29(11): 1950143:1-1950143:17 (2019) - [j23]Karthikeyan Rajagopal
, Akif Akgul, Viet-Thanh Pham
, Fawaz E. Alsaadi, Fahimeh Nazarimehr
, Fuad E. Alsaadi, Sajad Jafari
:
Multistability and Coexisting Attractors in a New Circulant Chaotic System. Int. J. Bifurc. Chaos 29(13): 1950174:1-1950174:18 (2019) - [j22]Fahimeh Nazarimehr
, Viet-Thanh Pham, Karthikeyan Rajagopal
, Fawaz E. Alsaadi, Tasawar Hayat, Sajad Jafari
:
A New Imprisoned Strange Attractor. Int. J. Bifurc. Chaos 29(13): 1950181:1-1950181:8 (2019) - [j21]Sajad Jafari
, Karthikeyan Rajagopal
, Tasawar Hayat, Ahmed Alsaedi, Viet-Thanh Pham
:
Simplest Megastable Chaotic Oscillator. Int. J. Bifurc. Chaos 29(13): 1950187:1-1950187:9 (2019) - [j20]Karthikeyan Rajagopal
, Sajad Jafari
, Sezgin Kaçar, Anitha Karthikeyan
, Akif Akgül:
Fractional Order Simple Chaotic Oscillator with Saturable Reactors and Its Engineering Applications. Inf. Technol. Control. 48(1): 115-128 (2019) - [j19]Karthikeyan Rajagopal
, Akif Akgul
, Sajad Jafari
, Anitha Karthikeyan
, Ünal Çavusoglu, Sezgin Kaçar:
An Exponential Jerk System: Circuit Realization, Fractional Order and Time Delayed Form with Dynamical Analysis and Its Engineering Application. J. Circuits Syst. Comput. 28(5): 1950087:1-1950087:19 (2019) - [j18]Karthikeyan Rajagopal
, Fahimeh Nazarimehr
, Laarem Guessas, Anitha Karthikeyan
, Ashokkumar Srinivasan
, Sajad Jafari
:
Analysis, Control and FPGA Implementation of a Fractional-Order Modified Shinriki Circuit. J. Circuits Syst. Comput. 28(14): 1950232:1-1950232:26 (2019) - [j17]Karthikeyan Rajagopal
, Fahimeh Nazarimehr
, Anitha Karthikeyan
, Ahmed Alsaedi, Tasawar Hayat, Viet-Thanh Pham:
Dynamics of a neuron exposed to integer- and fractional-order discontinuous external magnetic flux. Frontiers Inf. Technol. Electron. Eng. 20(4): 584-590 (2019) - [j16]Yasser Shekofteh
, Sajad Jafari
, Karthikeyan Rajagopal
:
Cost function based on hidden Markov models for parameter estimation of chaotic systems. Soft Comput. 23(13): 4765-4776 (2019) - 2018
- [j15]Karthikeyan Rajagopal
, Riessom Weldegiorgis, Anitha Karthikeyan
, Prakash Duraisamy, Goitom Tadesse:
No Chattering and Adaptive Sliding Mode Control of a Fractional-Order Phase Converter with Disturbances and Parameter Uncertainties. Complex. 2018: 5873230:1-5873230:13 (2018) - [j14]Payam Sadeghi Shabestari, Karthikeyan Rajagopal
, Bahareh Safarbali, Sajad Jafari
, Prakash Duraisamy:
A Novel Approach to Numerical Modeling of Metabolic System: Investigation of Chaotic Behavior in Diabetes Mellitus. Complex. 2018: 6815190:1-6815190:11 (2018) - [j13]Karthikeyan Rajagopal
, Anitha Karthikeyan
, Prakash Duraisamy, Riessom Weldegiorgis:
Bifurcation and Chaos in Integer and Fractional Order Two-Degree-of-Freedom Shape Memory Alloy Oscillators. Complex. 2018: 8365845:1-8365845:9 (2018) - [j12]Karthikeyan Rajagopal
, Sajad Jafari
, Anitha Karthikeyan
, Ashokkumar Srinivasan
, Biniyam Ayele:
Hyperchaotic Memcapacitor Oscillator with Infinite Equilibria and Coexisting Attractors. Circuits Syst. Signal Process. 37(9): 3702-3724 (2018) - [j11]Jesús M. Muñoz-Pacheco
, Ernesto Zambrano-Serrano
, Christos K. Volos
, Sajad Jafari
, Jacques Kengne, Karthikeyan Rajagopal
:
A New Fractional-Order Chaotic System with Different Families of Hidden and Self-Excited Attractors. Entropy 20(8): 564 (2018) - [j10]Pankaj Prakash
, Karthikeyan Rajagopal
, Jay Prakash Singh
, Binoy Krishna Roy:
Megastability, Multistability in a Periodically Forced Conservative and Dissipative System with Signum Nonlinearity. Int. J. Bifurc. Chaos 28(9): 1830030:1-1830030:10 (2018) - [j9]Karthikeyan Rajagopal
, Shirin Panahi, Anitha Karthikeyan
, Ahmed Alsaedi, Viet-Thanh Pham
, Tasawar Hayat:
Some New Dissipative Chaotic Systems with Cyclic Symmetry. Int. J. Bifurc. Chaos 28(13): 1850164:1-1850164:10 (2018) - [j8]Mahdi Nourian Zavareh, Fahimeh Nazarimehr
, Karthikeyan Rajagopal
, Sajad Jafari
:
Hidden Attractor in a Passive Motion Model of Compass-Gait Robot. Int. J. Bifurc. Chaos 28(14): 1850171:1-1850171:9 (2018) - [j7]Sundarapandian Vaidyanathan, Ahmad Taher Azar
, Karthikeyan Rajagopal
, Aceng Sambas
, Sezgin Kaçar, Ünal Çavusoglu:
A new hyperchaotic temperature fluctuations model, its circuit simulation, FPGA implementation and an application to image encryption. Int. J. Simul. Process. Model. 13(3): 281-296 (2018) - 2017
- [j6]Karthikeyan Rajagopal
, Laarem Guessas, Anitha Karthikeyan
, Ashokkumar Srinivasan
, Girma Adam:
Fractional Order Memristor No Equilibrium Chaotic System with Its Adaptive Sliding Mode Synchronization and Genetically Optimized Fractional Order PID Synchronization. Complex. 2017: 1892618:1-1892618:19 (2017) - [j5]Anitha Karthikeyan
, Karthikeyan Rajagopal
:
Chaos Control in Fractional Order Smart Grid with Adaptive Sliding Mode Control and Genetically Optimized PID Control and Its FPGA Implementation. Complex. 2017: 3815146:1-3815146:18 (2017) - [j4]Karthikeyan Rajagopal
, Anitha Karthikeyan
, Prakash Duraisamy:
Hyperchaotic Chameleon: Fractional Order FPGA Implementation. Complex. 2017: 8979408:1-8979408:16 (2017) - [j3]Sundarapandian Vaidyanathan, Karthikeyan Rajagopal:
LabVIEW implementation of chaotic masking with adaptively synchronised forced Van der Pol oscillators and its application in real-time image encryption. Int. J. Simul. Process. Model. 12(2): 165-178 (2017) - [j2]Karthikeyan Rajagopal
, Sivasubramanya Nadar Balakrishnan, Jerome R. Busemeyer
:
Neural Network-Based Solutions for Stochastic Optimal Control Using Path Integrals. IEEE Trans. Neural Networks Learn. Syst. 28(3): 534-545 (2017) - 2016
- [c2]Karthikeyan Rajagopal
, Sivasubramanya Nadar Balakrishnan:
Intelligent switching between multiple model-based adaptive controllers using data-driven control theory. ACC 2016: 2506-2511 - [c1]Karthikeyan Rajagopal
, Sivasubramanya Nadar Balakrishnan, Jerome R. Busemeyer
:
Optimal controller design for control-affine stochastic systems using neural networks and path integrals. ACC 2016: 3032-3037 - 2015
- [j1]Sundarapandian Vaidyanathan
, Ahmad Taher Azar
, Karthikeyan Rajagopal
, Prasina Alexander:
Design and SPICE implementation of a 12-term novel hyperchaotic system and its synchronisation via active control. Int. J. Model. Identif. Control. 23(3): 267-277 (2015)
Coauthor Index
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