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Fixed-Time Feedback Control of the Hydraulic Turbine Governing System

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  • Caoyuan Ma
  • Chuangzhen Liu
  • Xuezi Zhang

Abstract

Dealing with convergence time and dealing with steady state are two of the most challenging problems in the field of stability of the hydraulic turbine governing system. In this paper, we solve these two challenging problems by designing fixed-time feedback controllers. The design of the controllers is based on the fixed-time theory and backstepping method. Compared with the existing controllers for fixed-time, finite-time, and other techniques, the designed controllers make the maximum convergence time of the system unaffected by the initial state. The convergence time is also shorter. Meanwhile, they are continuous and do not include any sign function, and hence, the chattering phenomenon in most of the existing results is overcome via nonchattering control. In addition, they give the system better stability and robustness to disturbances. Finally, the numerical simulation results in this paper will contribute to a better understanding of the effectiveness and superiority of the proposed controllers.

Suggested Citation

  • Caoyuan Ma & Chuangzhen Liu & Xuezi Zhang, 2018. "Fixed-Time Feedback Control of the Hydraulic Turbine Governing System," Complexity, Hindawi, vol. 2018, pages 1-9, August.
    • Handle: RePEc:hin:complx:8767158
    DOI: 10.1155/2018/8767158
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    Cited by:

    1. Xu, Beibei & Zhang, Jingjing & Egusquiza, Mònica & Chen, Diyi & Li, Feng & Behrens, Paul & Egusquiza, Eduard, 2021. "A review of dynamic models and stability analysis for a hydro-turbine governing system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 144(C).

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