Experimental Emulation of Shutdown and Start-Up Procedures in Wave Basin Tests of a 15MW Floating Offshore Wind Turbine
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Bibliographic record
Abstract
Abstract Tests of floating offshore wind turbines (FOWT) conducted in wave basins usually focus on the behavior of the floater in waves and require proper emulation of the wind forces and effects of the turbine’s control system. Oftentimes, wind forces are applied to the model by means of an electromechanical device composed of several drone propellers, in an experimental approach known as Software-in-the-Loop (SiL). Such an approach allows not only the emulation of aerodynamics loads with constant or turbulent winds, but also to mimic transient stages of the system start-up and shutdown. The present work assesses a set of experimental results obtained for a 1:45 model scale of a semisubmersible floater supporting the IEA-15MW reference wind turbine, with emphasis on the dynamics during the turbine’s start-up and shutdown transient stages. A start-up control strategy was implemented in the SIL algorithm and tested in different environmental scenarios of waves and winds. Likewise, a shutdown control was also tested both with manual commands from a fictitious operator and automatically, in the latter case adopting a wind speed upper bound as the trigger for the shutdown procedure. No critical dynamic effects were observed during the transients, at least for the environmental conditions that were tested.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it