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Record W2908942023 · doi:10.29007/vfs3

Overcurrent Mitigation in a Crop Cobble Shear System for Steel Rolling Mill

2019· paratext· en· W2908942023 on OpenAlex

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueEasyChair preprint · 2019
Typeparatext
Languageen
FieldEngineering
TopicMetallurgy and Material Forming
Canadian institutionsNorthern Alberta Institute of Technology
Fundersnot available
KeywordsCobbleMillTorqueEngineeringControl systemRolling millAutomotive engineeringMechanical engineering

Abstract

fetched live from OpenAlex

The paper describes the utilization of the Direct Torque Control (DTC) drive technology to control the Crop Cobble Shear (CCS) system in a steel rolling mill. The CCS is a highly dynamic load that requires a drive capable for high performance torque control. During the CCS cobble cutting mode, depending on the bar length, the original DTC drive experienced overcurrent faults that cause production downtimes. A suitable model developed for the overall system provided the parameters, considered for simulating the system. Simulation analysis of the CCS operation, made possible performance improvement. The simulated DTC induction motor drive faced a comparison with the existing system from a steel plant. Measured data from the original system in the steel mill compared to results determined through simulations. This comparison shows the successfully simulated system, appropriate for the determination of a suitable approach to improving the CCS operation. Identification of new control strategies recommended carrying out new simulations regarding the modified system. Furthermore, follow this new round of simulations, the overall system, subjected to new modifications at this stage, suffered a reassessment through measurements: they certified an improvement. The paper contains useful results, obtained through simulations and measurements as well. The last section contains the conclusions of this work.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMeta-epidemiology (narrow), Insufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.873
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0010.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.004

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.

Opus teacher head0.015
GPT teacher head0.243
Teacher spread0.228 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it