4.6 Article

Disturbance-Observer-Based Robust Synchronization Control for a Class of Fractional-Order Chaotic Systems

Journal

Publisher

IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TCSII.2016.2563758

Keywords

Disturbance observer; fractional-order chaotic system; input saturation; synchronization control

Funding

  1. Jiangsu Natural Science Foundation of China [SBK20130033]
  2. National Nature Science Foundation of China [61573112, U1509217]
  3. Australian Research Council [DP140102180, LP140100471]
  4. Australian Research Council [LP140100471] Funding Source: Australian Research Council

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This brief studies the synchronization control for the fractional-order chaotic system subject to input saturation and external unknown disturbances. To handle unknown disturbances, a disturbance observer is designed for the fractional-order chaotic system. A disturbance-observer-based synchronization control scheme is then developed. Under the synchronization control, the asymptotically convergent synchronization errors between two fractional-order chaotic systems can be achieved. The simulation results are presented to show the effectiveness of the proposed new design approach.

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