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Data-driven torque and pitch control of wind turbines via reinforcement learning
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Xie, Jingjie, Dong, Hongyang and Zhao, Xiaowei (2023) Data-driven torque and pitch control of wind turbines via reinforcement learning. Renewable Energy, 215 . 118893. doi:10.1016/j.renene.2023.06.014 ISSN 0960-1481.
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Official URL: http://doi.org/10.1016/j.renene.2023.06.014
Abstract
This paper addresses the torque and pitch control problems of wind turbines. The main contribution of this work is the development of an innovative reinforcement learning (RL)-based control method targeting wind turbine applications. Our RL-based control framework synergistically combines the advantages of deep neural networks (DNNs) and model predictive control (MPC) technologies. The proposed control strategy is data-driven, adapting to real-time changes in system dynamics and enhancing control performance and robustness. Additionally, the incorporation of an MPC structure within our design improves learning efficiency and reduces the high computational complexity typically found in deep RL algorithms. Specifically, a DNN is designed to approximate the wind turbine dynamics based on a continuously updated dataset composed of state and action measurements taken at specified sampling intervals. The real-time control policy is generated by integrating the online trained DNN into an MPC architecture. The proposed method iteratively updates the DNN and control policy in real-time to optimize performance. As a primary result of this work, the proposed method demonstrates superior robustness and control performance compared to commonly-employed MPC and other baseline wind turbine controllers in the presence of uncertainties and unexpected actuator faults. This effectiveness is showcased through simulations with a high-fidelity wind turbine simulator.
Item Type: | Journal Article | ||||||||
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Subjects: | T Technology > T Technology (General) 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, Reinforcement learning, Neural networks (Computer science), Predictive control | ||||||||
Journal or Publication Title: | Renewable Energy | ||||||||
Publisher: | Elsevier Ltd. | ||||||||
ISSN: | 0960-1481 | ||||||||
Official Date: | October 2023 | ||||||||
Dates: |
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Volume: | 215 | ||||||||
Article Number: | 118893 | ||||||||
DOI: | 10.1016/j.renene.2023.06.014 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Open Access (Creative Commons) | ||||||||
Date of first compliant deposit: | 21 July 2023 | ||||||||
Date of first compliant Open Access: | 21 July 2023 | ||||||||
Funder: | Engineering and Physical Sciences Research Council (EPSRC) | ||||||||
Grant number: | EP/T021713/1 | ||||||||
RIOXX Funder/Project Grant: |
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