Dynamic Modeling and H∞ Control of Offshore Wind Turbines
Автор: Farzaneh Haghjoo, Mohammad Eghtesad, Ehsan Azadi Yazdi
Журнал: International Journal of Engineering and Manufacturing(IJEM) @ijem
Статья в выпуске: 1 vol.7, 2017 года.
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In this paper, vibration control problem in tension leg platform offshore wind turbines is investigated. First a non-linear model of the wind turbine is obtained. Six degrees of freedom are considered in the model including surge, heave and pitch of the platform, tower fore-aft vibrations, rotor rotation and drivetrain torsional vibration. Moreover all external loads acting on the offshore wind turbine such as aerodynamic loads, hydrodynamic loads and mooring line forces are taken into account. To achieve an accurate model of the wind turbine, tower and drivetrain are modelled as flexible components. The model output is compared with FAST simulator; a popular open source software for modeling wind turbines. Then, a robust controller is designed to regulate rotor speed and output power, increase wind turbine efficiency and attenuate tower fore-aft vibration. The controller is implemented on the non-linear dynamic model to investigate the closed loop performance.
Offshore wind turbine, tension leg platform, robust control, H-infinity controller
Короткий адрес: https://sciup.org/15014425
IDR: 15014425
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