Diagnosis of Process Nonlinearities and Valve Stiction

Diagnosis of Process Nonlinearities and Valve Stiction

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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 todaya€™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.Accessed Apr 2nd 2003, from http://loopscout.com/ loopscout/info/bpamoco.pdf. ... Industrial implementation of on-line performance monitoring tools. Control ... Chaos 9, 413a€“435. ... TISEAN 2.1 Surrogates Manual, Periodicity Artefacts, Accessed May 20th 2008, from http://www.mpipks-dresden.mpg.de/aˆ¼tisean/ TISEANanbsp;...

Title:Diagnosis of Process Nonlinearities and Valve Stiction
Author: Ali Ahammad Shoukat Choudhury, Sirish L. Shah, Nina F. Thornhill
Publisher:Springer Science & Business Media - 2008-08-20

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