Design of Piezoelectric Energy Harvester Generating Power over a Range of Excitation Frequencies Using
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Bibliographic record
Abstract
Today, there is a real desire to develop the piezoelectric power harvester to enhance the performance of Wi-Fi sensors and low-power devices to use them in heavy weather for longer times. In this study, the harvester model built from piezoelectric bimorphs called; “Piezo Bending Actuators 427.0085.11Z” from Johnson Matthey, N42 magnets, and some electrical parts such as; accelerometer, shaker, HP 54601B oscilloscope used in the experimental setup. 
 The results show, that the system frequency has an inverse relationship with a gap between magnets, where the frequency increases 100% as the distance decreases from 4.6mm to 0.7 mm. In addition, the amplitude of increases by 104% as the gap decreases from 4.6mm to 0.7 mm. Also, the production power and amplitude have an inverse relation with the magnet distance. Keywords: power harvester, magnetic gap, tuned magnetic force, piezoelectric, resonances.
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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 | 0.001 | 0.001 |
| 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