Notice bibliographique
Résumé
This book is aimed at people who work in the process industry and come into contact with control technology, such as operators, technicians and engineers.It is also suitable for use in schools and higher education institutions where control technology is included in the syllabus.The book includes an exercise section with solutions.This gives the reader an opportunity to actively work with the methods addressed and also makes the book more suitable for use in schools and in education.It is written assuming only mathematical knowledge at school level.The content here covers the practical parts of control technology currently used in the process industry and it contains many examples from this industry.The technical development in the field of control technology has developed quickly in recent decades.This does not only apply to controllers and control systems, but also to other tools for engineers and operators.This technical development has led to major efficiencies and higher quality in the process industry Technological developments and intensifying competition have resulted in a reduction in personnel.The rapid technological changes have also meant that many older people have left their roles and have been replaced by younger ones.These generational changes have often been a prerequisite for the industry to be able to take advantage of new computer-based techniques.However, there is a danger with these generational changes.There is a risk that the process knowledge and experience found in the older generation is not passed on to the younger generation.The development means that new demands are placed on those who are responsible for instrumentation and operation of industrial processes.More advanced equipment offers greater opportunities than before, but for it to be able to be used efficiently also requires a knowledge of how it works, its opportunities and its limitations.The hope is that this book will help to convey parts of this knowledge.This risk is exacerbated as we urgently need to respond to the threats resulting from our changing climate.The process industry is a large contributor to carbon emissions and the main user of natural resources.It is vital that we ensure efficient process operation.The first building stone in achieving this is good process control.This is the first English translation of the original book 'Praktisk processreglering' published in Swedish by Studentlitteratur.There were four editions of the Swedish book : in 1990, 1997, 2008 and 2019.Over the years, the content of the book became known to colleagues and collaborators in industry and academia who asked for an English edition.Large parts of the material in the book were used in practical control technology courses for the process industry, arranged primarily by ABB (formerly NAF Controls, SattControl Instruments and Alfa Laval Automation), SUM AB and in recent years Gustaf Fagerberg AB.A large part of the material and the gradual development of the book is the result of the knowledge and inspiration I got from course participants https://doi.org/10.
Récupéré en direct depuis OpenAlex et désinversé. Les résumés ne sont pas conservés dans cette base de données : les index inversés représentent 8,6 Go des 9,3 Go de texte de la base, et le serveur dispose de 13 Go libres.
Comment cette classification a été obtenuedéplier
Prédiction machine sur la base complète
Imitation des enseignantsNi prévalence calibrée, ni vérité terrain. Validation humaine à venir. Le volet Gemma est une étiquette directe du modèle pour chaque travail de la base, lue sur la notice réduite au titre. Le volet Codex est un classifieur appris des 10 348 étiquettes directes de Codex et calibré sur les taux pondérés de l'échantillon; les champs sans appui suffisant ne portent aucun appel Codex. Le mode candidate est l'union des deux volets; le consensus est leur intersection. Ces sorties portent le statut machine_predicted_unvalidated et ne sont pas des étiquettes humaines.
Scores du classifieur distillé par catégorie (deux têtes)
| Catégorie | Codex | Gemma |
|---|---|---|
| Métarecherche | 0,001 | 0,004 |
| Méta-épidémiologie (sens strict) | 0,001 | 0,000 |
| Méta-épidémiologie (sens large) | 0,001 | 0,001 |
| Bibliométrie | 0,002 | 0,002 |
| Études des sciences et des technologies | 0,002 | 0,001 |
| Communication savante | 0,005 | 0,003 |
| Science ouverte | 0,002 | 0,002 |
| Intégrité de la recherche | 0,002 | 0,003 |
| Charge utile insuffisante (le modèle a refusé de juger) | 0,608 | 0,453 |
Scores machine (provisoires)
Les deux têtes enseignantes du modèle étudiant, lues sur ce travail. Un score ordonne la base pour la relecture; il n'affirme jamais une catégorie, et le statut de validation accompagne chaque rangée tel quel.
Scores de référence d'un modèle non mature (critères de maturité non atteints, 7 itérations). Un score ordonne; il n'affirme jamais une catégorie.
score_only:v0-immature-baseline · tel quel depuis la passe de notation : score_only signifie que le nombre peut ordonner les travaux, et qu'aucune étiquette de catégorie n'en découleClassification
machine, non validéePrédiction automatique; un appel candidat d’une seule source (Gemma direct ou Codex distillé), pas un consensus.
Le détail, modèle par modèle et score par score, se trouve en fin de page sous « Comment cette classification a été obtenue ».