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Title: Fuzzy, integer and fractional order control: application on a wind turbine benchmark model
Authors: Melicio, Rui
Viveiros, Carla
Igreja, José
Mendes, Victor
Keywords: fractional-order control
integer order control
Issue Date: 17-Sep-2014
Publisher: 19th International Conference on Methods and Models in Automation and Robotics
Abstract: This paper presents a comparison between proportional integral control approaches for variable speed wind turbines. Integer and fractional-order controllers are designed using linearized wind turbine model whilst fuzzy controller also takes into account system nonlinearities. These controllers operate in the full load region and the main objective is to extract maximum power from the wind turbine while ensuring the performance and reliability required to be integrated into an electric grid. The main contribution focuses on the use of fractional-order proportional integral (FOPI) controller which benefits from the introduction of one more tuning parameter, the integral fractional-order, taking advantage over integer order proportional integral (PI) controller. A comparison between proposed control approaches for the variable speed wind turbines is presented using a wind turbine benchmark model in the Matlab/Simulink environment. Results show that FOPI has improved system performance when compared with classical PI and fuzzy PI controller outperforms the integer and fractional-order control due to its capability to deal with system non linearities and uncertainties.
Type: lecture
Appears in Collections:FIS - Comunicações - Em Congressos Científicos Internacionais

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