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Proceedings of the 3rd IFAC Workshop, IFP, Solaize (Lyon), France, 4-5 June 1998
By
P.S. Dhurjati, Department of Chemical Engineering, University of Delaware, Newark, USA
Sylvie Cauvin, IFP (Institut Français du Pétrol), France
Included in series
IFAC Proceedings Volumes,
Description
The field of "On-Line Fault Detection and Supervision in the Chemical Process Industries" is relatively young. Major activity in this
area has taken place only in the last fifteen years.
The goals of the first workshop in Delaware were to discuss various methodologies
necessary for solving industrial problems in fault diagnosis/supervision and to encourage interactions between academia and industry.
This workshop also focused on development and evaluation of methodologies for on-line fault detection and supervision in the chemical
process industries. It addressed theory, application, validation, performance and evaluation of methodologies such as parameter estimation,
observers, parity equations, signal analysis methods, classification, rule-based systems with probabilistic approaches, fuzzy logic and
neural networks.
There are several trends that make the topic of this workshop especially relevant in today's world. The first is the
tremendous advances made in automation and information technology that can potentially bring in an ever-increasing amount of information
on to computer screens in the operating room of a plant. Avoiding problems of information overload and converting plant data to "on-line
useful knowledge" is a key challenge. In some respects, one can draw parallels here to biological evolution where, over billions of years,
human beings have evolved "mental models" to interpret the huge amount of information received through their senses. In the absence of
the time advantage that evolution has had, we have to rely on methodologies such as those presented in this workshop to provide assistance
to operators and engineers in interpreting plant information.
A second trend that makes this field relevant in today's world is the
increasing emphasis on environment and safety. Community activism and accidents such as those in Bhopal, India have caused media spotlights
to be turned on the smallest of toxic releases or loss of life due to chemical accidents. The negative publicity generated by such events
as well as the need to maintain the image of an environmentally conscious company make industry more sensitive to the issues of early
detection of faults.
The third trend that makes this field very relevant is that of the globalization of the world economy. Increasing
globalization of the chemical process industry puts pressure on economic competitiveness and higher productivity. This implies reduced
down-time due to faults, quick and flexible response of production to supply and demand changes, increasing reliance on automation and
reduced personnel.
Audience
For both researchers and practitioners working within the fields of chemical, industrial, systems and control engineering.
Contents
Section headings and selected papers: Plenary Papers.
Contributions from the community IT programme (P. Corsi).
Trend
Analysis.
Process trend analysis using wavelet-based de-noising (A. Bakhtazad et al.).
Observers.
Non-linear observer based method for fault detection and isolation (F. Armanet et al.). Detect unexpected changes of particle
size distribution in paper-making white water systems (H. Wang).
Applications.
Observing the sugar-beet quality using
process and signal analysing methods (A. Arenz et al.).
Different Approaches.
A generic fault propagation modeling
approach to on-line diagnosis and event correlation (G.M. Stanley, R. Vaidhyanathan). Can chemical process industry benefit from analog
electronics diagnosis methods? (P. Taillibert).
Neural Networks.
Fault detection in paper making (a neural network approach)
(Y. Bissessur et al.).
Statistics/Reconciliation.
Univariate and multivariate process monitoring and improvement
(A. King et al.). An industrial application of principal component test to fault detection and identification (H. Tong, D. Bluck).
Qualitative.
Automated interpretation of PCA-based process monitoring and fault diagnosis using signed digraphs (H.
Vedam, V. Venkatasubramanian). Fault diagnosis expert system with probability calculations (D. Leung, J. Romagnoli).
Supervision/Control/Alarm.
Early detection of alarm situations using model predictions (B.C. Juricek et al.).
Poster Papers.
Suboptimal
conditions for leakage detectability in pipelines (C. Verde, F. Ibinarriaga). Comparison of the performances of parametric estimation,
time-frequency, wavelet and segmentation with detection of abrupt changes in non-destructive evaluation (S. Femman, N.K. M'Sirdi). New
intrinsic runaway criteria and their application to the model-based on-line monitoring of continuous and discontinuous reactors (T. Obertopp et al.).
| Bibliographic details |
Paperback, 0 pages, publication date: OCT-1998
ISBN-13: 978-0-08-043233-5
ISBN-10: 0-08-043233-6
Imprint: PERGAMON
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