Filters








103,543 Hits in 2.4 sec

Color Image Encryption using Hyper Chaos Chen

Danial Roohbakhsh, Mahdi Yaghoobi
2015 International Journal of Computer Applications  
In this paper, a color image encrypting method based on chaos theory is introduced.  ...  First, use the hyper chaos and the second large of the space key. In the simulation results, various experiments have been conducted to analyze the security of the proposed method.  ...  Encryption using Hyper Chaos Chen At this stage, the pixels in disarray, and their values using hyper chaotic Chen encryption. First, one of the four variables produced by Chen is set aside.  ... 
doi:10.5120/19303-0752 fatcat:oygwl4oxrncoxnw7itmv5p7y6y

Chaos synchronization between two different 4D hyperchaotic Chen systems

Liu Yang-Zheng, Jiang Chang-Sheng, Lin Chang-Sheng, Jiang Yao-Mei
2007 Chinese Physics  
With nonlinear feedback control method, chaos synchronization between two different 4D hyperchaotic Chen systems is achieved.  ...  This paper presents chaos synchronization between two different four-dimensional (4D) hyperchaotic Chen systems by nonlinear feedback control laws.  ...  Using nonlinear feedback control method, we can realize the chaos synchronization between two different 4D hyperchaotic Chen systems.  ... 
doi:10.1088/1009-1963/16/3/017 fatcat:xm567pjmqnfn5ityxzwjqbqnvy

Chaos Anti-Synchronization between Chen System and Genesio System

Xianyong Wu, Hao Wu, Zhengrong Yan, Yuehua Huang
2016 OALib  
Numerical simulations are performed for the Chen system and Genesio system to demonstrate the effectiveness of the proposed control strategy.  ...  In the next section, we will study chaos anti-synchronization between Chen and Genesio systems with known or unknown parameters using adaptive control. 1.2, a b c = − = − = − system ( ) ( ) 1 1 1 1 1 1  ...  Chen system is described by (3) is chaotic.  ... 
doi:10.4236/oalib.1102856 fatcat:z77k43emu5hqzd5oyec6chezz4

Inspection on Ball Bearing Malfunction by Chen-Lee Chaos System

Chih-Jer Lin, Xiao-Yi Su, Kuan-Ting Yu, Bo-Lin Jian, Her-Terng Yau
2020 IEEE Access  
The second approach utilizes the Chen-Lee chaotic system for analysis and takes its chaotic attractor as the feature of the state recognition.  ...  INDEX TERMS Ball bearing, back propagation neural network, support vector machine, fault detection, approximate entropy, Chen-Lee chaotic system.  ...  FIGURE 4 . 4 Chen-Lee chaos system dynamic error distribution map. FIGURE 5 . 5 Chen-Lee chaos system feature distribution maps of three bearing status.  ... 
doi:10.1109/access.2020.2971554 fatcat:7dwmhac2z5d6bhuxomzoufzchy

Remarks on a paper by Chao-Ping Chen and Feng Qi

Stamatis Koumandos
2005 Proceedings of the American Mathematical Society  
We also show that the main result of Chen and Qi's paper is a special case of a more general inequality which admits a very short proof.  ...  In the recent paper [2] , Chao-Ping Chen and Feng Qi proved the following inequality: (1.1) 1 π n + 4 π − 1 ≤ P n < 1 π n + 1 4 ) , n = 1, 2, . . . .  ... 
doi:10.1090/s0002-9939-05-08104-9 fatcat:pc62kvcb3zca3iuzjzkhrbqvom

Stabilizing equilibrium by linear feedback control for controlling chaos in Chen system

V A Costa, G A González
2011 Journal of Physics, Conference Series  
Discussion and conclusions Chen system has been stabilized while considering fundamental features on controlling chaos.  ...  Our aim is controlling chaos by applying feedback control.  ... 
doi:10.1088/1742-6596/285/1/012008 fatcat:udwnzvgw2rhzliwt3xiidwaojq

Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen

Joel Perez Padron, Jose P Perez, Francisco Rodríguez, Angel Flores
2014 Journal of Computacion y Sistemas  
Seguimiento de trayectorias para sincronización de caos vía ley de control PI entre Roosler-Chen Resumen.  ...  The new control scheme is applied via simulations to Chaos Synchronization. Experimental results have shown the usefulness of the proposed approach for Chaos Production.  ...  Acknowledgements The first two authors appreciate the support of CONACYT, Mexico, and the Matematicas Apli- Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen 405  ... 
doi:10.13053/cys-18-2-1427 fatcat:jve4ostcw5ca5dmk56bey4tg2a

Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen

Joel Perez Padron, Jose P Perez, Francisco Rodríguez, Angel Flores
2014 Journal of Computacion y Sistemas  
Seguimiento de trayectorias para sincronización de caos vía ley de control PI entre Roosler-Chen Resumen.  ...  The new control scheme is applied via simulations to Chaos Synchronization. Experimental results have shown the usefulness of the proposed approach for Chaos Production.  ...  Acknowledgements The first two authors appreciate the support of CONACYT, Mexico, and the Matematicas Apli- Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen 405  ... 
doi:10.13053/cys-18-2-2014-040 fatcat:j5zuyxva45g5pilpz2z2ih6s7m

Chen-Chao Koo and the Early Numerical Weather Prediction Experiments in China

Jianhua Lu
2021 Advances in Atmospheric Sciences  
The leadership in NWP of the late Professor Chen-Chao Koo, a protégé of C. G.  ...  H., 2021: Chen-Chao Koo and the early numerical weather prediction experiments in China. Adv. Atmos. Sci., 38(5), 707−716, https://doi.  ...  The author is indebted to Professors Li-Ren Ji, Ji-Ping Chao, and Yong-Ti Zhu for providing useful information on the early NWP experiments in China. Dr.  ... 
doi:10.1007/s00376-021-0268-y fatcat:xw3yegzydjbw3ambk3pyfrwu2q

Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen

Joel Perez Padron, Jose P Perez, Francisco Rodríguez, Angel Flores
2014 Journal of Computacion y Sistemas  
Seguimiento de trayectorias para sincronización de caos vía ley de control PI entre Roosler-Chen Resumen.  ...  The new control scheme is applied via simulations to Chaos Synchronization. Experimental results have shown the usefulness of the proposed approach for Chaos Production.  ...  Acknowledgements The first two authors appreciate the support of CONACYT, Mexico, and the Matematicas Apli- Trajectory Tracking for Chaos Synchronization via PI Control Law between Roosler-Chen 405  ... 
doi:10.13053/cys-18-1-2014-040 fatcat:rlb6dwzdcnbqlasjjwouxp3f6y

A proof of two conjectures of Chao-Ping Chen for inverse trigonometric functions [article]

Branko Malesevic, Bojan Banjac, Ivana Jovovic
2015 arXiv   pre-print
In this paper we prove two conjectures stated by Chao-Ping Chen in [Int. Trans. Spec.  ...  Therefore, Chao -Ping Chen in [1] stated the following conjecture.  ...  Chao -Ping Chen in [1] proved the following two theorems and proposed two open problems. x 3 arctan x < arcsin x x 2 + arctan x x , where the constant 17 45 is the best possible.  ... 
arXiv:1508.06947v6 fatcat:vwyg5li7cbcbti44piwlveiude

Hybrid Chaos Synchronization of Hyperchaotic LIU And Hyperchaotic CHEN Systems by Active Nonlinear Control

Sundarapandian Vaidyanathan
2011 International Journal of Computer Science Engineering and Information Technology  
This paper investigates the hybrid chaos synchronization of identical 4-D hyperchaotic Liu systems (2006), 4-D identical hyperchaotic Chen systems (2005 and hybrid synchronization of 4-D hyperchaotic Liu  ...  Numerical simulations are shown to demonstrate the effectiveness of the proposed chaos synchronization schemes.  ...  CHEN SYSTEMS Theoretical Results In this section, we discuss the hybrid chaos synchronization of non-identical hyperchaotic Liu system (Wang and Liu, [22] , 2006) and hyperchaotic Chen system (Li, Tang  ... 
doi:10.5121/ijcseit.2011.1201 fatcat:j4l2nyo25ffqhc6xilqgjgalse

Comments on "Chens attractor exists if Lorenz repulsor exists: The Chen system is a special case of the Lorenz system", CHAOS 23, 033108, 2013 [article]

Guanrong Chen
2013 arXiv   pre-print
In the study of chaos theory, one is particularly interested in the case where both systems are chaotic.  ...  the chaotic Chen system (4).  ... 
arXiv:1308.4074v3 fatcat:t6jew6b6zfbztov5ok32qtnq2a

Chaos control and anticontrol of a tachometer system by Ge—Yao—Chen partial region stability theory

Z-M Ge, C-Y Chiang
2008 Proceedings of the Institution of mechanical engineers. Part C, journal of mechanical engineering science  
In this paper, chaos control and anticontrol of a tachometer system by Ge-Yao-Chen (GYC) partial region stability are proposed.  ...  Finally, chaos control and anticontrol of the tachometer system by GYC partial region stability are obtained and verified by numerical simulations.  ...  In this paper, a new method to achieve chaos control and anticontrol by the Ge-Yao-Chen (GYC), the partial region stability theory [19] [20] [21] , is proposed.  ... 
doi:10.1243/09544062jmes1249 fatcat:kz3hod5pfna37g5wvtw4xb62jq

Action potential and chaos near the edge of chaos in memristive circuits

Jiajie Ying, Yan Liang, Guangyi Wang, Peipei Jin, Long Chen, Guanrong Chen
2022 Chaos  
Based on Chua's theory of local activity, this paper finds that the neural behaviors and chaos emerge near the edge of chaos through subcritical Hopf bifurcation, in which the small unstable limit cycle  ...  Theoretical analysis shows that the memristive circuit can exhibit not only various action potentials but also self-sustained oscillation and chaos.  ...  The edge of chaos domain is 0.1005 V < V in < 0.15 V.  ... 
doi:10.1063/5.0097075 fatcat:4tv6jiu5efhrvnxxohy3oobvui
« Previous Showing results 1 — 15 out of 103,543 results