The Fault Diagnosis Model for Variable Speed Rolling Bearings Based on GCRA-FMD, COT, and Deep Convolutional Neural Networks
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Bibliographic record
Abstract
The high-precision fault diagnosis of rolling bearings under variable speed conditions faces significant challenges. Therefore, it is necessary to effectively extract the features of variable speed fault signals to achieve accurate classification. To address this, this paper combines the Greater Cane Rat Algorithm (GCRA), Feature Mode Decomposition (FMD), Computation Order Tracking (COT), and Deep Convolutional Neural Networks (DCNNs) are combined to propose a fault diagnosis model. First, the important parameters of FMD are selected using GCRA to enhance the ability to reconstruct signals and eliminate noise interference. Second, the COT method is employed to extract the fault features of variable speed rolling bearings. Finally, the extracted features are input into the DCNNs model for classification. The experimental data were provided by the University of Ottawa, and the results of the analysis show that this method achieves excellent classification accuracy.
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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