A Performance Study on Structural Parameters of Centre-Axle-Trailer Combinations
Why this work is in the frame
A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.
Bibliographic record
Abstract
Compared with rigid-trucks, centre-axle-trailer (CAT) combinations significantly improve fuel economy and reduce greenhouse-gas emissions.However, with respect to rigid-trucks, CAT combinations exhibit lower lateral stability at high speeds, and display poorer path-following offtracking (PFOT) at low speeds.This study intends to address these problems.To this end, eigenvalue analysis and simulation were conducted to evaluate the directional performance of CAT combinations considering the variations of typical structure parameters.To coordinate the trace-off between the lateral stability in terms of rearward amplification (RWA) and PFOT of CAT combinations, a CAT design with a variable-length drawbar was proposed.The drawbar length may be altered under different operating conditions, e.g., low-speed curved-path negotiations and high-speed evasive manoeuvres.The proposed variable-length drawbar is feasible in design and cost-effective in implementation.The insightful results derived from this study provide useful guidelines for the design CAT combinations to improved directional performance.
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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