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Reducing Weight Variability in the Production Line of a Chemical Desiccant: Strategies and Results

2024· article· pt· W4404137947 on OpenAlexaff
Marcelo de Almeida Carvalhal, Mário Santos, Maria Célia de Oliveira

Bibliographic record

VenueAnais ... Encontro Nacional de Engenharia de Produção/Anais do Encontro Nacional de Engenharia de Produção · 2024
Typearticle
Languagept
FieldEnvironmental Science
TopicAir Quality Monitoring and Forecasting
Canadian institutionsDouglas College
Fundersnot available
KeywordsProduction (economics)DesiccantProduction lineLine (geometry)Computer scienceProcess engineeringEnvironmental scienceChemistryMathematicsEngineeringMicroeconomicsEconomicsMechanical engineering

Abstract

fetched live from OpenAlex

Problem Definition -At Basile Qumica there was a significant variability in the weight of Qualisec bags, a powerful desiccant.During the filling stage, the bags often exceeded the acceptable tolerance of 20g above the ideal weight of 1kg.Problem Analysis -To analyze and size up the problematic situation of the Qualisec bagging process, various techniques and tools were applied, focusing on Measurement System Analysis (MSA) and the identification of potential causes using an Ishikawa Diagram.Problem Solution -A vibrator was installed in the machine tubing to prevent particle formation.Additionally, the filling nozzle was relocated to prevent contact with equipment walls and adjusted the filling process cycle time from 10 to 13 seconds.Results -New measurements showed a significant reduction in variability: the standard deviation dropping to 11.1 grams from 28.3 grams.This led to a 50% reduction in rework and a 5% decrease in production costs per kilogram, achieving a payback period of just one month for the investment in equipment upgrades.Evaluation and Lessons Learned -Key lessons included the need for continuous operator training, robust data collection systems, and realtime environmental monitoring to maintain process consistency and efficiency.Implementing advanced measurement technology and comprehensive preventive maintenance plans were also crucial for longterm improvements and cost savings.

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.

How this classification was reachedexpand

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)0.033
metaresearch head score (Gemma)0.017
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesMetaresearch, Meta-epidemiology (narrow), Research integrity
Consensus categoriesMetaresearch, Meta-epidemiology (narrow)
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.304
Threshold uncertainty score1.000

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0330.017
Meta-epidemiology (narrow)0.0020.001
Meta-epidemiology (broad)0.0020.001
Bibliometrics0.0010.002
Science and technology studies0.0010.001
Scholarly communication0.0010.002
Open science0.0020.001
Research integrity0.0010.004
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 head0.022
GPT teacher head0.274
Teacher spread0.252 · 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

Classification

machine, unvalidated

Machine predicted; both teacher heads agree on what is shown here.

Study designBench or experimental
Domainnot available
GenreEmpirical

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".

Quick stats

Citations0
Published2024
Admission routes1
Has abstractyes

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