Modeling and design of a motion converter for utilization as a vibration energy harvester
Bibliographic record
Abstract
This paper presents the analysis and design of a mechanism to be utilized as a regenerative shock absorber. The device consists of an algebraic screw mechanism, a planetary gearhead, and a DC rotary machine. The algebraic screw is a kinematic mechanism that converts the translational vibration motion into a reciprocating rotary motion which drives a rotary generator. The energy generated by the rotary machine is converted into the battery charge through a power electronic converter. In this study, the amount of damping provided by the shock absorber is analyzed using the dynamic analysis of a quarter car system. To this end, expressions for the input, captured, and lost power are presented in terms of the parameters of the shock absorber and road excitation profile. Simulations are carried out to study the characteristics of design in terms of converting vibration energy into rotary motion. Validation of the model is demonstrated by comparing the simulation and numerical results.
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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 | 0.001 |
| 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".