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Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches - Ali Ahammad Shoukat Choudhury, Sirish L. Shah, Nina F. Thornhill
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Ali Ahammad Shoukat Choudhury, Sirish L. Shah, Nina F. Thornhill:

Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches - neues Buch

2010, ISBN: 9783642098109

ID: 9783642098109

In this book, Higher Order Statistical (HOS) theory is used to develop indices for detecting and quantifying signal non-Gaussianity and nonlinearity. These indices, together with specific patterns in the mapping of process output and controller output are used to diagnose the causes of poor control loop performance.Often valve stiction is the main cause of poor control performance. A generalized definition of valve stiction based on the investigation of real plant data is proposed. A In this book, Higher Order Statistical (HOS) theory is used to develop indices for detecting and quantifying signal non-Gaussianity and nonlinearity. These indices, together with specific patterns in the mapping of process output and controller output are used to diagnose the causes of poor control loop performance.Often valve stiction is the main cause of poor control performance. A generalized definition of valve stiction based on the investigation of real plant data is proposed. A simple data-driven model of valve stiction is developed. The model is simple, yet powerful enough to properly simulate the complex valve stiction phenomena. Both open and closed loop results have been presented and validated to show the capability of the model.Conventional invasive methods such as the valve travel test can detect stiction easily. However, they are expensive, time consuming and tedious to use for examining thousands of valves in a typical process industry. A non-invasive method that can simultaneously detect and quantify control valve stiction is presented. The method requires only routine operating data from the process. Over a dozen industrial case studies have demonstrated the wide applicability and practicality of this method.In chemical industrial practice, data are often compressed for archival purposes, using various techniques. Compression degrades data quality and induces nonlinearity in the data. The issues of data quality degradation and nonlinearity induction due to compression are investigated in this book. An automatic method for detection and quantification of the compression present in the archived data is discussed. Compelling and quantitative analyses have been recommended to end the practice of process data compression. Textbooks New, Books ~~ Technology~~ Automation, Diagnosis-of-Process-Nonlinearities-and-Valve-Stiction~~Ali-Ahammad-Shoukat-Choudhury, 999999999, Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches, Ali Ahammad Shoukat Choudhury, Sirish L. Shah, Nina F. Thornhill, 364209810X, Springer Berlin Heidelberg, 11/23/2010 12:00:00 AM, , , , Springer Berlin Heidelberg

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Diagnosis of Process Nonlinearities and Valve Stiction - Choudhury, Ali Ahammad Shoukat Shah, Sirish L. Thornhill, Nina F.
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Choudhury, Ali Ahammad Shoukat Shah, Sirish L. Thornhill, Nina F.:

Diagnosis of Process Nonlinearities and Valve Stiction - Taschenbuch

2010, ISBN: 9783642098109

[ED: Softcover], [PU: Springer, Berlin], were published in the series as the contributed volume, Process Control Performance Assessment: From Theory to Implementation with Andrzej Ordys, Damian Uduehi, and Michael Johnson as Editors (ISBN 978-1-84628-623-0, 2007). Along with this good progress in process controller assessment methods, researchers have also been investigating techniques to diagnose what is causing the process or control loop degradation. This requires the use of on-line data to identify faults via new diagnostic indicators of typical process problems. A significant focus of some of this research has been the issue of valve problems a research direction that has been motivated by some industrial statistics that show up to 40% of control loops having performance degradation attributable to valve problems. Shoukat Choudhury, Sirish Shah, and Nina Thornhill have been very active in this research field for a number of years and have written a coherent and consistent presentation of their many research results as this monograph, Diagnosis of Process Nonlinearities and Valve Stiction. The Advances in Industrial Control series is pleased to welcome this new and substantial contribution to the process diagnostic literature. The reader will find the exploitation of the extensive process data archives created by today's process computer systems one theme in the monograph. From another viewpoint, the use of higher-order statistics could be considered to provide a continuing link to the earlier methods of the statistical process control paradigm. 2010. XX, 286 S. 198 SW-Abb., 115 Farbabb., 14 Tabellen. 235 mm Versandfertig in 3-5 Tagen, [SC: 0.00], Neuware, gewerbliches Angebot

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Diagnosis of Process Nonlinearities and Valve Stiction - Choudhury, Ali Ahammad Shoukat Shah, Sirish L. Thornhill, Nina F.
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Choudhury, Ali Ahammad Shoukat Shah, Sirish L. Thornhill, Nina F.:
Diagnosis of Process Nonlinearities and Valve Stiction - Taschenbuch

2010

ISBN: 9783642098109

[ED: Softcover], [PU: Springer, Berlin], In this book Higher Order Statistical theory is used to develop indices for detecting and quantifying signal non-Gaussianity and nonlinearity. These indices are used to diagnose the causes of poor control loop performance.2010. XX, 286 S. 198 SW-Abb., 115 Farbabb., 14 Tabellen. 235 mmVersandfertig in 3-5 Tagen, [SC: 0.00]

Neues Buch Booklooker.de
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Diagnosis of Process Nonlinearities and Valve Stiction Data Driven Approaches 1st Edition - Ali Ahammad Shoukat Choudhury Sirish L. Shah
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Ali Ahammad Shoukat Choudhury Sirish L. Shah:
Diagnosis of Process Nonlinearities and Valve Stiction Data Driven Approaches 1st Edition - neues Buch

ISBN: 9783642098109

ID: 9783642098109

Diagnosis of Process Nonlinearities and Valve Stiction Data Driven Approaches 1st Edition Author :Ali Ahammad Shoukat Choudhury Sirish L. Shah 9783642098109 364209810X, [PU: Springer, Berlin/Heidelberg/New York, NY]

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Diagnosis of Process Nonlinearities and Valve Stiction - Ali Ahammad Shoukat Choudhury; Sirish L. Shah; Nina F. Thornhill
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Ali Ahammad Shoukat Choudhury; Sirish L. Shah; Nina F. Thornhill:
Diagnosis of Process Nonlinearities and Valve Stiction - Taschenbuch

2010, ISBN: 9783642098109

Gebundene Ausgabe, ID: 14928194

Data Driven Approaches, Softcover reprint of hardcover 1st ed. 2008, Softcover, Buch, [PU: Springer Berlin]

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Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches (Advances in Industrial Control)
Autor:

Choudhury, Ali Ahammad Shoukat; Thornhill, Nina F.; Shah, Sirish L.

Titel:

Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches (Advances in Industrial Control)

ISBN-Nummer:

364209810X

The subject matter of the book is concerned with the detection and diagnosis of process nonlinearities from routine process data. In general, processes can be treated as locally linear and measures of overall process performance can be monitored from routine operating data. However when process performance is not satisfactory then it is imperative that the cause of poor performance be diagnosed. Poor performance can be due to several reasons. Statistics abound on the cause of poor control performance. It has been documented that as many as 40% of the control loops in industry perform unsatisfactorily because of valve problems, a majority of them due to valve stiction, causing the closed loop system to become nonlinear. The development of signal processing methods to detect and quantify process nonlinearity from routine process data is the main subject matter of this book.

Detailangaben zum Buch - Diagnosis of Process Nonlinearities and Valve Stiction: Data Driven Approaches (Advances in Industrial Control)


EAN (ISBN-13): 9783642098109
ISBN (ISBN-10): 364209810X
Gebundene Ausgabe
Taschenbuch
Erscheinungsjahr: 2010
Herausgeber: Springer-Verlag GmbH
308 Seiten
Gewicht: 0,468 kg
Sprache: eng/Englisch

Buch in der Datenbank seit 29.10.2011 04:22:29
Buch zuletzt gefunden am 01.11.2016 14:50:29
ISBN/EAN: 364209810X

ISBN - alternative Schreibweisen:
3-642-09810-X, 978-3-642-09810-9

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