Iterative tuning of feedforward IPC for two-bladed wind turbines

Sebastiaan Mulders, Edwin van Solingen, Jan-Willem van Wingerden, J Beerens

Research output: Chapter in Book/Conference proceedings/Edited volumeConference contributionScientificpeer-review

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At present, the cost of offshore wind energy does not meet the level of onshore wind and fossil-based energy sources. One way to extend the turbine lifetime, and thus reduce cost, is by reduction of the fatigue loads of blades and other turbine parts using Individual Pitch Control (IPC). This type of control, which is generally implemented by feedback control using the MultiBlade Coordinate transformation on blade load measurement signals, is capable of mitigating the most dominant periodic loads. The main goal of this article is to develop a self-optimizing feedforward IPC strategy for a two-bladed wind turbine to reduce actuator duty cycle and reduce the dependency on blade load measurement signals. The approach uses blade load measurement data only initially for tuning of the feedforward controller, which is scheduled on the rotor azimuth angle and wind speed. The feedforward strategy will be compared to the feedback implementation in terms of load alleviation capabilities and actuator duty cycle. Results show that the implementation is capable of learning the optimal feedforward IPC controller in constant and turbulent wind conditions, to alleviate the pitch actuator duty cycle, and to considerably reduce harmonic fatigue loads without the need for blade load measurement signals after tuning.
Original languageEnglish
Title of host publication Journal of Physics: Conference Series
Subtitle of host publicationTORQUE 2016: The Science of Making Torque from Wind
EditorsE. Bossanyi, T. Chaviaropoulos, P.W. Cheng
Place of PublicationBristol, UK
PublisherIOP Publishing
Number of pages10
Publication statusPublished - 2016
EventTORQUE 2016: 6th International Conference "The Science of Making Torque from Wind" - Technische Universität München (TUM), Campus Garching, Munich, Germany
Duration: 5 Oct 20167 Oct 2016

Publication series

NameJournal of Physics - Conference Series
NumberD. Control and supporting technologies
ISSN (Print)1742-6588
ISSN (Electronic)1742-6596


ConferenceTORQUE 2016: 6th International Conference "The Science of Making Torque from Wind"
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