Analysis and Control of Fractional Order Generalized Lorenz Chaotic System by Using Finite Time Synchronization

Yan Cui, Hongjun He, Guan Sun and Chenhui Lu

Advances in Mathematical Physics, 2019, vol. 2019, 1-12

Abstract:

In this paper, we present a corresponding fractional order three-dimensional autonomous chaotic system based on a new class of integer order chaotic systems. We found that the fractional order chaotic system belongs to the generalized Lorenz system family by analyzing its linear term and topological structure. We also found that the equilibrium point generated by the fractional order system belongs to the unstable saddle point through the prediction correction method and the fractional order stability theory. The complexity of fractional order chaotic system is given by spectral entropy algorithm and algorithm. We concluded that the fractional order chaotic system has a higher complexity. The fractional order system can generate rich dynamic behavior phenomenon with the values of the parameters and the order changed. We applied the finite time stability theory to design the finite time synchronous controller between drive system and corresponding system. The numerical simulations demonstrate that the controller provides fast and efficient method in the synchronization process.

Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlamp:3713789

DOI: 10.1155/2019/3713789

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