Control of wing rock phenomenon with a variable universe fuzzy controller
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Wing rock is a highly nonlinear phenomenon in which aircraft undergo limit-cycle roll oscillations at a high angle of attack (AOA). It is a challenge to design an appropriate controller, especially with modeling errors and external disturbances. The methodology of fuzzy logic control (FLC) appears very useful when a process is too complex or when an available source of information is interpreted qualitatively, inexactly, or uncertainly, but we also note that the FLC of a process under disturbances usually exhibit a tracking error when the controlled system tends to steady state. A variable universe fuzzy control design approach is utilized to improve both tracking precision and robustness of fuzzy PD control. A switching mechanism is developed to achieve this control scheme: when the tracking error is in a large range, fuzzy PD control is used to keep fast adjustments and to reduce the error; when the tracking error is in a small range, variable universe fuzzy control is then used as a fine controller to eliminate the error. Simulation studies for the nonlinear wing-rock control show that the new control scheme is a powerful tool to improve control system performances.
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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