detection and diagnosis of stiction in control loops advances in industrial control

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Detection And Diagnosis Of Stiction In Control Loops

Author : Mohieddine Jelali
ISBN : 9781848827752
Genre : Technology & Engineering
File Size : 33. 38 MB
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In the process industries, stiction is the most common performance-limiting valve problem and over the last decade numerous different techniques for overcoming it have been proposed. This book represents a comprehensive presentation of these methods, including their principles, assumptions, strengths and drawbacks. Guidelines and working procedures are provided for the implementation of each method and MATLAB®-based software can be downloaded from www.ualberta.ca/~bhuang/stiction-book enabling readers to apply the methods to their own data. Methods for the limitation of stiction effects are proposed within the general context of: oscillation detection in control loops, stiction detection, diagnosis and stiction quantification and diagnosis of multiple faults. The state-of-the-art algorithms presented in this book are demonstrated and compared in industrial case studies of diverse origin – chemicals, building, mining, pulp and paper, mineral and metal processing.

Diagnosis Of Process Nonlinearities And Valve Stiction

Author : Ali Ahammad Shoukat Choudhury
ISBN : 9783540792246
Genre : Technology & Engineering
File Size : 40. 83 MB
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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 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.

Control Performance Management In Industrial Automation

Author : Mohieddine Jelali
ISBN : 9781447145462
Genre : Technology & Engineering
File Size : 50. 91 MB
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Control Performance Management in Industrial Automation provides a coherent and self-contained treatment of a group of methods and applications of burgeoning importance to the detection and solution of problems with control loops that are vital in maintaining product quality, operational safety, and efficiency of material and energy consumption in the process industries. The monograph deals with all aspects of control performance management (CPM), from controller assessment (minimum-variance-control-based and advanced methods), to detection and diagnosis of control loop problems (process non-linearities, oscillations, actuator faults), to the improvement of control performance (maintenance, re-design of loop components, automatic controller re-tuning). It provides a contribution towards the development and application of completely self-contained and automatic methodologies in the field. Moreover, within this work, many CPM tools have been developed that goes far beyond available CPM packages. Control Performance Management in Industrial Automation: · presents a comprehensive review of control performance assessment methods; · develops methods and procedures for the detection and diagnosis of the root-causes of poor performance in complex control loops; · covers important issues that arise when applying these assessment and diagnosis methods; · recommends new approaches and techniques for the optimization of control loop performance based on the results of the control performance stage; and · offers illustrative examples and industrial case studies drawn from – chemicals, building, mining, pulp and paper, mineral and metal processing industries. This book will be of interest to academic and industrial staff working on control systems design, maintenance or optimisation in all process industries.

Process Control System Fault Diagnosis

Author : Ruben Gonzalez
ISBN : 9781118770580
Genre : Technology & Engineering
File Size : 86. 82 MB
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Process Control System Fault Diagnosis: A Bayesian Approach Ruben T. Gonzalez, University of Alberta, Canada Fei Qi, Suncor Energy Inc., Canada Biao Huang, University of Alberta, Canada Data-driven Inferential Solutions for Control System Fault Diagnosis A typical modern process system consists of hundreds or even thousands of control loops, which are overwhelming for plant personnel to monitor. The main objectives of this book are to establish a new framework for control system fault diagnosis, to synthesize observations of different monitors with a prior knowledge, and to pinpoint possible abnormal sources on the basis of Bayesian theory. Process Control System Fault Diagnosis: A Bayesian Approach consolidates results developed by the authors, along with the fundamentals, and presents them in a systematic way. The book provides a comprehensive coverage of various Bayesian methods for control system fault diagnosis, along with a detailed tutorial. The book is useful for graduate students and researchers as a monograph and as a reference for state-of-the-art techniques in control system performance monitoring and fault diagnosis. Since several self-contained practical examples are included in the book, it also provides a place for practicing engineers to look for solutions to their daily monitoring and diagnosis problems. Key features: • A comprehensive coverage of Bayesian Inference for control system fault diagnosis. • Theory and applications are self-contained. • Provides detailed algorithms and sample Matlab codes. • Theory is illustrated through benchmark simulation examples, pilot-scale experiments and industrial application. Process Control System Fault Diagnosis: A Bayesian Approach is a comprehensive guide for graduate students, practicing engineers, and researchers who are interests in applying theory to practice.

Process Control Performance Assessment

Author : Andrzej Ordys
ISBN : 9781846286247
Genre : Technology & Engineering
File Size : 40. 28 MB
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This book is a practical guide to the application of control benchmarking to real, complex, industrial processes. The variety of industrial case studies gives the benchmarking ideas presented a robust real-world attitude. The book deals with control engineering principles and economic and management aspects of benchmarking. It shows the reader how to avoid common problems in benchmarking and details the benefits of effective benchmarking.

Abb Review

Author :
ISBN : STANFORD:36105122664340
Genre : Electrical engineering
File Size : 86. 4 MB
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Proceedings The Irish Signals And Systems Conference 2004

Author : Sakir Sezer
ISBN : UOM:39015061003136
Genre : Technology & Engineering
File Size : 85. 74 MB
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Advanced Control Of Chemical Processes 1997 Adchem 97

Author : Sirish L. Shah
ISBN : UOM:39015039925733
Genre : Technology & Engineering
File Size : 36. 39 MB
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Advanced Control of Chemical Processes 1997 was an international event. It attracted a total of 205 participants from industry and academia around the world. Over 100 papers were presented at this symposium, including 3 plenary addresses and 6 keynote talks. The main themes included process monitoring, pulp and paper process control, model predictive control, and modelling and simulation.

Dissertation Abstracts International

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ISBN : STANFORD:36105121679422
Genre : Science
File Size : 56. 32 MB
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Chemical Process Control

Author : James Blake Rawlings
ISBN : 0816908699
Genre : Chemical process control
File Size : 76. 72 MB
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Electronic version of the proceedings and papers of the conference along with an ISO9660 file system with Rock Ridge attributes.

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