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Volume 6 Issue 1
Jan.  2019

IEEE/CAA Journal of Automatica Sinica

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Article Contents
Ibrahima N'Doye, Khaled Nabil Salama and Taous-Meriem Laleg-Kirati, "Robust Fractional-Order Proportional-Integral Observer for Synchronization of Chaotic Fractional-Order Systems," IEEE/CAA J. Autom. Sinica, vol. 6, no. 1, pp. 268-277, Jan. 2019. doi: 10.1109/JAS.2017.7510874
 Citation: Ibrahima N'Doye, Khaled Nabil Salama and Taous-Meriem Laleg-Kirati, "Robust Fractional-Order Proportional-Integral Observer for Synchronization of Chaotic Fractional-Order Systems," IEEE/CAA J. Autom. Sinica, vol. 6, no. 1, pp. 268-277, Jan. 2019.

# Robust Fractional-Order Proportional-Integral Observer for Synchronization of Chaotic Fractional-Order Systems

##### doi: 10.1109/JAS.2017.7510874
• In this paper, we propose a robust fractional-order proportional-integral (FOPI) observer for the synchronization of nonlinear fractional-order chaotic systems. The convergence of the observer is proved, and sufficient conditions are derived in terms of linear matrix inequalities (LMIs) approach by using an indirect Lyapunov method. The proposed FOPI observer is robust against Lipschitz additive nonlinear uncertainty. It is also compared to the fractional-order proportional (FOP) observer and its performance is illustrated through simulations done on the fractional-order chaotic Lorenz system.

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