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نویسندگان مقالات پربازدید :
مکاترونیک 2011
جزئیات رویداد
همایش ، رویداد ، ژورنال
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  • a novel pitch control system for a wind turbine driven by a variable-speed pump-controlled hydraulic servo system

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    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1392/07/24
    • تاریخ انتشار در تی پی بین: 1392/07/24
    • تعداد بازدید: 1220
    • تعداد پرسش و پاسخ ها: 0
    • شماره تماس دبیرخانه رویداد: -
      the paper aims to develop a novel pitch control system for a large wind turbine driven by a variable-speed pump-controlled hydraulic servo system. to perform practical pitch control experiments, a full scale test rig of the hydraulic pitch control system for a 2mw wind turbine’s blade, including a novel pitch control mechanism, a variable-speed pump-controlled hydraulic servo system, a disturbance system and a pc-based control system, is designed and set up. the variable-speed pump-controlled hydraulic servo system, containing an ac servo motor, a constant displacement hydraulic piston pump two differential hydraulic cylinders and hydraulic circuits, achieved high response and high energy efficiency, so it is suitable for wind turbine applications. besides, to implement the pitch control in the proposed novel pitch control system, an adaptive fuzzy controller with self-tuning fuzzy sliding-mode compensation (afc-stfsmc) is developed to design the pitch controller. finally, the developed variable-speed pumpcontrolled hydraulic servo system was built and verified for the path tracking control and path-positioning control of the pitch control of the wind turbines by practical experiments in a full-scale test rig under different path profiles, load torques, and random wind speeds.

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