Development and Application of an Active Control System for Smart Structures Using the Wave Method
Bibliographic record
Abstract
A flexible structure with bonded piezoelectric sensors and actuators is considered as a smart structure. In this paper we introduce a new control criterion based on the absorption of the traveling waves of the sensing area. Unlike conventional wave controllers (local wave controllers), this controller not only employs the local system parameters but also uses global system parameters, such as the total length of the flexible structure and the absolute positions of the piezotransducers. Including the global parameters of the system in the wave control design increases the control performance significantly over mainstream wave controllers. A simple parameter based design of the global wave controller is then developed, which can be easily implemented in actual practice. The controller gains depend only on the mechanical parameters of the system and can be obtained from a simple parametric formula. The performance of the controller is compared with that of the conventional controller, and it is seen that this performance is as good as that of optimal controllers with this very simply designed wave controller. Experimental results match closely with simulation and illustrate that the controller suppresses the flexural vibrations quickly and efficiently.
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How this classification was reachedexpand
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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".