A New Pounding Tuned Mass Damper for the Aeolian Vibration Control of Power Transmission Conductors
Bibliographic record
Abstract
One of the most prevalent types of wind-induced vibration in transmission lines is aeolian vibration, which can lead to fatigue damage in the conductors. To address this issue, this study proposes a novel Pounding Tuned Mass Damper (PTMD), which integrates the Tuned Mass Damper (TMD) and an impact damper. The PTMD not only absorbs kinetic energy through the tuned mass but also dissipates the absorbed energy via impact. Theoretical analysis and experimental studies were conducted to evaluate the vibration control effectiveness of the PTMD. In the theoretical analysis, the commonly used linear viscoelastic Kelvin–Voigt pounding model was employed to derive the equations of motion for the Conductor-PTMD (CP) system, based on the kinetic method. Both free and forced vibration analyses were performed. The results indicated that a vibration reduction rate of 90% was achieved at an excitation frequency of approximately 3 Hz. In the experimental study, a custom-designed CP system was developed to validate the theoretical model. The PTMD significantly increased the system’s damping ratio from 1.0% to 7.5% in free-vibration experiments. Additionally, in forced vibration tests, the PTMD demonstrated excellent performance in reducing conductor vibrations.
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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".