Abstract
In this paper a fast terminal sliding mode control (FTSMC) is used for speed control of Kaplan hydroturbine governing system in the presence of load torque disturbance. The stability of the proposed controller is proved with the lyapunov function method.The results indicate that the proposed terminal sliding mode controllers not only have a faster response and allows to carry out high performances as well in precision as in finite time of convergence. Moreover, the comparisons of the dynamic performances between the proposed fast terminal sliding mode controllers (FTSMC) and non-singular fast terminal sliding mode controllers (NSTSMC) , are discussed at the end of this paper, where the effectiveness and robustness superiority of the fast terminal sliding mode controller proposed also is been verified.
Highlights
A new control design methods based on sliding mode controller (SMC) has been developed in [1,2,4,5,6,913,15]
Propose an innovative controller based on fast terminal sliding mode control (FTSMC), is been adopted for controlling the speed of Kaplan hydro turbine governing system with,who are considered by his robustness with respect to the errors of modeling and the external disturbances like its convergence in time finished thanks to its nonlinear sliding surface This innovative controller has been proved to track error accurately through Lyapunov stability analysis
The results indicate that the TSMC controller perform in terms of the regulation quality and tracking errors in all simulation cases
Summary
Propose an innovative controller based on fast terminal sliding mode control (FTSMC) , is been adopted for controlling the speed of Kaplan hydro turbine governing system with ,who are considered by his robustness with respect to the errors of modeling and the external disturbances like its convergence in time finished thanks to its nonlinear sliding surface This innovative controller has been proved to track error accurately through Lyapunov stability analysis. 2) The terminal sliding mode control schemes are first introduced into the governor design of Kaplan hydro turbine system to offer faster response speed and better regulation accuracy. 3) The finite-time convergence and stability analysis for Kaplan hydro turbine governing system model with designed fast terminal sliding mode controller is been verified by finite-time theory and Lyapunov stability theory.
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