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Dynamical Analysis of a New Chaotic Fractional Discrete-Time System and Its Control
Authors:A Othman Almatroud  Amina-Aicha Khennaoui  Adel Ouannas  Giuseppe Grassi  M Mossa Al-sawalha  Ahlem Gasri
Abstract:This article proposes a new fractional-order discrete-time chaotic system, without equilibria, included two quadratic nonlinearities terms. The dynamics of this system were experimentally investigated via bifurcation diagrams and largest Lyapunov exponent. Besides, some chaotic tests such as the 0–1 test and approximate entropy (ApEn) were included to detect the performance of our numerical results. Furthermore, a valid control method of stabilization is introduced to regulate the proposed system in such a way as to force all its states to adaptively tend toward the equilibrium point at zero. All theoretical findings in this work have been verified numerically using MATLAB software package.
Keywords:chaos  discrete fractional calculus  coexisting attractors  0–  1 test  entropy  control
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