Bibliographic record
Abstract
The present paper proposes and models a four-position unbalanced valve that was introduced by the author in 2006 [1] in a hydraulic system used to save and recover braking power. The valve modulates the oil flow from a free-wheeling mode to braking-and-storing energy, to full braking, to recovering energy and accelerating a load. The valve design achieves this by combining the operating characteristics of the sliding and the rotary operation. The key goals of the present analysis are to demonstrate that the four-position operation is attainable, and to evaluate the valve stability during the transient and the steady state modes of operation and compare it with the stability of the conventional stepped-spool valves. The normal, freewheeling position of the valve is determined by locating its spool in between the two springs of unequal stiffness, thus making it “unbalanced”. The solid model of the proposed design is presented and analysed here.
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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".