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   Adaptive Robust Control Design To Maximize the Harvested Power in A Wind Turbine With Input Constraint  
   
نویسنده Dastres Hossein ,Mohammadi Ali ,Rezaie Behrooz
منبع Journal Of Renewable Energy And Environment - 2020 - دوره : 7 - شماره : 4 - صفحه:30 -43
چکیده    This paper deals with the problem of maximizing the extracted power from a wind turbine in the presence of model uncertainties and input saturation. an adaptive second-order integral terminal sliding mode speed control method is utilized to address this problem. the presented method benefits from the advantages of several control techniques, i.e., adaptability, robustness, finite-time convergence, and the capability of coping with the input saturation. the robust nature of the designed controller causes its high performance in facing the uncertainties in the wind turbine model. in this paper, to compensate for the effect of input saturation, an auxiliary dynamic variable is added to the tracking error and also an adaptation law is designed so that the finite-time convergence of the closed-loop system can be achieved. moreover, to reduce the mechanical stresses which are the result of the chattering phenomenon, a second-order sliding surface is employed. the finite-time convergence of the designed controller has been proven by the lyapunov stability theorem in which the finite-time convergence of the tracking error to zero is guaranteed. finally, to illustrate the effectiveness and satisfactory performance of the proposed controller, two comparative simulations are carried out. the results of this comparison show that the proposed controller has less error to track the optimal speed and when the model uncertainties and input saturation occur in the wind turbine system, the proposed controller is almost 3 % more efficient than the existing controllers.
کلیدواژه Second-Order Sliding Mode Control ,Fast Integral Terminal Sliding Mode Control ,Input Saturation ,Maximum Power Point Tracking
آدرس Babol Noshirvani University Of Technology, Department Of Electrical And Computer Engineering, Iran, Babol Noshirvani University Of Technology, Department Of Electrical And Computer Engineering, Iran, Babol Noshirvani University Of Technology, Department Of Electrical And Computer Engineering, Iran
پست الکترونیکی brezaie@nit.ac.ir
 
 

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