Robust stabilization and synchronization of a class of fractional-order chaotic systems via a novel fractional sliding mode controller |
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Authors: | Mohammad Pourmahmood Aghababa |
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Institution: | 1. Universidad Politécnica de Tlaxcala Av. Universidad Politécnica de Tlaxcala No.1 San Pedro Xalcaltzinco, Tepeyanco, Tlaxcala C.P. 90180, Mexico;2. Departamento de Control Automático, CINVESTAV-IPN, Av. IPN 2508, Col. San Pedro Zacatenco 07360 D.F, Mexico |
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Abstract: | This paper proposes a novel fractional-order sliding mode approach for stabilization and synchronization of a class of fractional-order chaotic systems. Based on the fractional calculus a stable integral type fractional-order sliding surface is introduced. Using the fractional Lyapunov stability theorem, a single sliding mode control law is proposed to ensure the existence of the sliding motion in finite time. The proposed control scheme is applied to stabilize/synchronize a class of fractional-order chaotic systems in the presence of model uncertainties and external disturbances. Some numerical simulations are performed to confirm the theoretical results of the paper. It is worth noticing that the proposed fractional-order sliding mode controller can be applied to control a broad range of fractional-order dynamical systems. |
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