首页|Modifying Lyapunov exponent of chaotic map by self-cascading
Modifying Lyapunov exponent of chaotic map by self-cascading
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The self-cascade(SC)method is an effective technique for chaos enhancement and complexity increasing in chaos maps.Additionally,the controllable self-cascade(CSC)method allows for more accurate control of Lyapunov exponents of the discrete map.In this work,the SC and CSC systems of the original map are derived,which enhance the chaotic performance while preserving the fundamental dynamical characteristics of the original map.Higher Lyapunov exponent of chaotic sequences corresponding to higher frequency are obtained in SC and CSC systems.Meanwhile,the Lyapunov exponent could be linearly controlled with greater flexibility in the CSC system.The verification of the numerical simulation and theoretical analysis is carried out based on the platform of CH32.
self-cascadecontrollable self-cascadechaos enhancementchaos control
YI ChenLong、LI ChunBiao、LI YongXin、XIA Ming、HUA ZhongYun
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School of Electronic and Information Engineering,Nanjing University of Information Science & Technology,Nanjing 210044,China
School of Artificial Intelligence,Nanjing University of Information Science & Technology,Nanjing 210044,China
School of Computer Science and Technology,Harbin Institute of Technology Shenzhen Graduate School,Shenzhen 518055,China
National Natural Science Foundation of ChinaPriority Academic Program Development of Jiangsu Higher Education Institutions
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