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Power generation control of a monopile hydrostatic wind turbine using an H∞ loop-shaping torque controller and an LPV pitch controller
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Tong, Xin and Zhao, Xiaowei (2018) Power generation control of a monopile hydrostatic wind turbine using an H∞ loop-shaping torque controller and an LPV pitch controller. IEEE Transactions on Control Systems Technology, 26 (6). 2165 -2172. doi:10.1109/TCST.2017.2749562 ISSN 1063-6536.
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Official URL: http://doi.org/10.1109/TCST.2017.2749562
Abstract
We transform the NREL (National Renewable Energy Laboratory) 5-MW geared equipped monopile wind turbine model into a hydrostatic wind turbine (HWT) by replacing its drivetrain with a hydrostatic transmission drivetrain. Then we design an H∞ loop-shaping torque controller (to regulate the motor displacement) and a linear parameter varying (LPV) blade pitch controller for the HWT. To enhance performances of the pitch control system during the transition region around the rated wind speed, we add an anti-windup (AW) compensator to the LPV controller, which would otherwise have had undesirable system responses due to pitch saturation. The LPV AW pitch controller uses the steady rotor effective wind speed as the
scheduling parameter which is estimated by LIDAR (Light Detection and Ranging) preview. The simulations based on the transformed NREL 5-MW HWT model show that our torque controller achieves very good tracking behaviour while our pitch controller (no matter with or without AW) gets much improved overall performances over a gain-scheduled PI pitch controller.
| Item Type: | Journal Article | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subjects: | T Technology > TJ Mechanical engineering and machinery T Technology > TK Electrical engineering. Electronics Nuclear engineering |
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | ||||||||
| Library of Congress Subject Headings (LCSH): | Offshore wind power plants -- Maintenance and repair , Wind turbines -- Transmission devices | ||||||||
| Journal or Publication Title: | IEEE Transactions on Control Systems Technology | ||||||||
| Publisher: | IEEE | ||||||||
| ISSN: | 1063-6536 | ||||||||
| Official Date: | November 2018 | ||||||||
| Dates: |
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| Volume: | 26 | ||||||||
| Number: | 6 | ||||||||
| Page Range: | 2165 -2172 | ||||||||
| DOI: | 10.1109/TCST.2017.2749562 | ||||||||
| Status: | Peer Reviewed | ||||||||
| Publication Status: | Published | ||||||||
| Access rights to Published version: | Restricted or Subscription Access | ||||||||
| Copyright Holders: | IEEE | ||||||||
| Date of first compliant deposit: | 14 September 2017 | ||||||||
| Date of first compliant Open Access: | 14 September 2017 | ||||||||
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