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Robust Control of Disturbed Fractional-Order Economical Chaotic Systems with Uncertain Parameters

Author

Listed:
  • Song Xu
  • Hui Lv
  • Heng Liu
  • Aijing Liu

Abstract

This paper focuses on the robust control of fractional-order economical chaotic system (FOECS) with parametric uncertainties and external disturbances. The dynamical behavior of FOECS is studied by numerical simulation, and circuit implementations of FOECS are also given. Based on fractional-order Lyapunov stability theorems, a robust adaptive controller, which can guarantee that all signals remain bounded and the tracking error tends to a small region, is designed. The proposed method can be used to control a large range of fractional-order systems with system uncertainties. Fractional-order adaptation laws are constructed to update the estimation of adaptive parameters. Finally, the robustness and effectiveness of our control method are indicated by simulation results.

Suggested Citation

  • Song Xu & Hui Lv & Heng Liu & Aijing Liu, 2019. "Robust Control of Disturbed Fractional-Order Economical Chaotic Systems with Uncertain Parameters," Complexity, Hindawi, vol. 2019, pages 1-13, October.
    • Handle: RePEc:hin:complx:7567695
    DOI: 10.1155/2019/7567695
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    References listed on IDEAS

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