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Record W1977026218 · doi:10.1002/apj.5

Generating information for real‐time optimization

2006· article· en· W1977026218 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

VenueAsia-Pacific Journal of Chemical Engineering · 2006
Typearticle
Languageen
FieldEngineering
TopicAdvanced Control Systems Optimization
Canadian institutionsQueen's UniversityUniversity of AlbertaPetro-Canada
Fundersnot available
KeywordsProfit (economics)Computer scienceMathematical optimizationProcess (computing)Point (geometry)Track (disk drive)Operations researchEngineeringMathematics

Abstract

fetched live from OpenAlex

Abstract Real‐time optimization (RTO) applications monitor the behavior of processes, adjusting the setpoints of process controllers to track significant, low‐frequency changes in the plant optimum. The performance of the optimizer depends on its ability to track these changes effectively and locate the true plant optimum operating conditions. The ability to track changes in turn depends on having sufficient plant information to update parameter estimates, improving the model predictions of the process behavior. This paper proposes an improvement to RTO performance by integrating information generation using experimental design techniques into the RTO algorithm to reduce uncertainty in the final optimization results. An expansion of the command conditioning (CC) subsystem evaluates when the predicted result from the economic optimizer will not generate a sufficient amount of information for updating. An A‐optimal experimental design criterion is used to reduce uncertainty associated with decision variables by perturbing from the optimal point to another that generates more information. By sacrificing short‐term profit, greater profit can be realized in future RTO intervals. Copyright © 2006 Curtin University of Technology and John Wiley & Sons, Ltd.

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 categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Methods · Consensus signal: none
Teacher disagreement score0.668
Threshold uncertainty score0.699

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.001
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.002
GPT teacher head0.166
Teacher spread0.163 · 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