Fuzzy Synchronization Control for Fractional-Order Chaotic Systems With Different Structures
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Jin Xu, Ning Li, Xiulan Zhang, Xiaoli Qin
Abstract
This paper discusses the synchronization problem for a class of unknown fractional-order chaotic systems (FOCSs) with indeterminate external disturbances and non-symmetrical control gain. A paralleled adaptive fuzzy synchronization controller is constructed in which indeterminate non-linear functions are approximated by the fuzzy logic systems depending on fractional-order Lyapunov stability criteria and the fractional-order parameter adaptive law is designed to regulate corresponding parameters of the fuzzy systems. The proposed method guarantees the boundedness of all of the signals in the closed-loop system, and at the same time, it ensures the convergence of the synchronization error between the master and slave FOCSs. Finally, the feasibility is demonstrated by simulation studies.
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https://www.frontiersin.org/articles/10.3389/fphy.2020.00155/full
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2296-424X
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