Wind tunnel tests with combined pitch and free-floating flap control:
data-driven iterative feedforward controller tuning

Navalkar, Sachin T.; Bernhammer, Lars O.; Sodja, Jurij; van Solingen, Edwin; van Kuik, Gijs A. M.; van Wingerden, Jan-Willem

doi:https://doi.org/10.5194/wes-1-205-2016

Articles | Volume 1, issue 2

https://doi.org/10.5194/wes-1-205-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/wes-1-205-2016

© Author(s) 2016. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 1, issue 2

Research article

|

26 Oct 2016

Research article |

| 26 Oct 2016

Wind tunnel tests with combined pitch and free-floating flap control: data-driven iterative feedforward controller tuning

Sachin T. Navalkar, Lars O. Bernhammer, Jurij Sodja, Edwin van Solingen, Gijs A. M. van Kuik, and Jan-Willem van Wingerden

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Final revised paper (published on 26 Oct 2016)
Preprint (discussion started on 17 May 2016)

Interactive discussion

Status: closed

AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment

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- Supplement

RC1: 'WES-2016-14 review', Anonymous Referee #1, 10 Jul 2016
- AC1: 'Reply to Reviewer 1', Sachin Navalkar, 08 Aug 2016
RC2: 'Review of Wind tunnel tests with combined pitch and free-floating flap control : Data-driven iterative feedforward control tunning', Anonymous Referee #2, 18 Jul 2016
- AC2: 'Reply to Reviewer 2', Sachin Navalkar, 08 Aug 2016

Peer-review completion

AR: Author's response | RR: Referee report | ED: Editor decision

ED: Publish subject to minor revisions (review by editor) (22 Aug 2016) by Sandrine Aubrun

AR by Sachin Navalkar on behalf of the Authors (31 Aug 2016) Author's response Manuscript

ED: Publish subject to technical corrections (05 Sep 2016) by Sandrine Aubrun

ED: Publish subject to technical corrections (08 Sep 2016) by Jakob Mann (Chief editor)

AR by Sachin Navalkar on behalf of the Authors (14 Sep 2016) Author's response Manuscript

Short summary

In order to reduce the cost of wind energy, it is necessary to reduce the loads that wind turbines withstand over their lifetime. The combination of blade rotation with newly designed blade shape changing actuators is demonstrated experimentally. While load reduction is achieved, the additional flexibility implies that careful control design is needed to avoid instability.