Robust variable structure control for stabilisation of articulated steer vehicles by torque vectoring
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
In this work, a Variable Structure Control (VSC) system is developed to remove the instability of an articulated steer vehicle during the snaking mode. First, by using a linearised model of the vehicle, the equations of motion are derived in the state-space form. The uncertainties in the tyre-road contact parameters introduce some unknown and time-varying but bounded terms to these equations. This will be a basis for designing a robust VSC system to stabilise the vehicle during the snaking by a torque vectoring device. The robustness of the resulting controller is examined for different driving conditions in terms of the road surface, forward speed and vehicle parameters, based on the linearised model. The control system is also incorporated into a virtual prototype of the vehicle in ADAMS, and its operation is investigated. The results from the linear model analysis and simulations in ADAMS show that the controller can eliminate the instability effectively.
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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 | 0.001 | 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