Resonant LLC bus conversion using homopolarity width control
Bibliographic record
Abstract
Traditionally, single-input-multi-output power converters are used to power different parts of a system assembled on a printed circuit board (PCB). The imperfections of this strategy are well-known and include complicated PCB design and thermal management, poor load side voltage regulation, and reduced power density and efficiency. A DC distributed bus, obtained using a resonant LLC bus converter, can be employed in order to tackle problems regarding voltage distribution. This paper focuses on the resonant bus converter (useful for direct POLs or to downstream regulators) used to feed the DC distributed bus, and proposes an innovative method that introduces the homopolarity cycle and that adjusts the LLC converter at the resonant operation. The LLC converter's behavior is studied in a 2D plane called homopolarity plane. It is shown that the LLC converter works at resonance, if the reference line is observed in the homopolarity plane. In addition, the proposed homopolarity width control method is able to significantly enhance the efficiency of the LLC converter by bringing the converter to resonant operation and employing synchronous rectifiers, and is able to close the converter to the adiabatic region.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 | 0.001 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.002 | 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 source (direct Gemma or distilled Codex), 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".