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Model free adaptive control of large and flexible wind turbine rotors with controllable flaps
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Li, Juan, Wang, Yinan, Zhao, Xiaowei and Qi, Pengyuan (2021) Model free adaptive control of large and flexible wind turbine rotors with controllable flaps. Renewable Energy, 180 . pp. 68-82. doi:10.1016/j.renene.2021.08.050 ISSN 0960-1481.
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WRAP-model-free-adaptive-control-large-flexible-wind-turbine-rotors-controllable-flaps-2021.pdf - Accepted Version - Requires a PDF viewer. Available under License Creative Commons Attribution Non-commercial No Derivatives 4.0. Download (3939Kb) | Preview |
Official URL: http://dx.doi.org/10.1016/j.renene.2021.08.050
Abstract
This paper investigates the dynamic load alleviation in large and flexible horizontal axis wind turbine rotors with trailing edge flaps, actuated through a novel proportional-derivative model-free adaptive control (PD-MFAC) system. First an aeroservoelastic wind turbine model is developed, which is the combination of a structural model for the tower and blades represented by geometrically non-linear composite beams, and an aerodynamic model for the rotors using an unsteady strip-theory airfoil model. Then three independent model-free controllers are developed to actuate the trailing-edge flaps mounted on three blades, using the blade root-bending moment (RBM) as control input. Comparison is given by an H-infinity (H∞) reference controller and a Gain-scheduled proportional-integral (GS-PI) controller. Simulation results show that the MFAC flap controller provides more effective load alleviation performance in blade root-bending moment than the H∞ and the GS-PI flap controllers, and it also exhibits marked reductions in blade tip deflection (BTD), in the presence of external disturbances.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) T Technology > TJ Mechanical engineering and machinery |
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
Library of Congress Subject Headings (LCSH): | Wind turbines -- Rotors, Adaptive control systems, Aeroelasticity, Materials -- Dynamic testing | ||||||||
Journal or Publication Title: | Renewable Energy | ||||||||
Publisher: | Elsevier Ltd. | ||||||||
ISSN: | 0960-1481 | ||||||||
Official Date: | December 2021 | ||||||||
Dates: |
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Volume: | 180 | ||||||||
Page Range: | pp. 68-82 | ||||||||
DOI: | 10.1016/j.renene.2021.08.050 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||
Date of first compliant deposit: | 23 August 2021 | ||||||||
Date of first compliant Open Access: | 18 August 2022 | ||||||||
Funder: | h2020 | ||||||||
Grant number: | 765579 | ||||||||
RIOXX Funder/Project Grant: |
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