A hybrid method combining Teager Kaiser energy operator, empirical mode decomposition and minimum entropy deconvolution for monitoring gears damages
Why this work is in the frame
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Bibliographic record
Abstract
Amplitude demodulation is an essential tool for diagnosing gears faults. The quality of the demodulation determines the efficiency of the spectrum analysis in detecting the defect. A signal analysis technique combining minimum entropy deconvolution (MED), empirical mode decomposition (EMD) and Teager Kaiser energy operator (TKEO) is presented. The proposed method consists in enhancing the vibratory signal by using MED, decomposing this signal in intrinsic mode functions (IMF) and selects only the IMF which presents the highest correlation coefficient with the original signal. After that, TKEO is used to track the modulation energy. The spectrum is applied to the instantaneous amplitude. The simulation and experimental results show that an envelope spectrum analysis based on MED-EMD and TKEO provides a consistent signal analysis tool.
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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 | 0.001 |
| 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