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An Integrated FDD Approach for an Intensified HEX/Reactor

Zhang, Mei and Li, Ze-tao and Cabassud, Michel and Dahhou, Boutaib An Integrated FDD Approach for an Intensified HEX/Reactor. (2018) Journal of Control Science and Engineering. 1-16. ISSN 1687-5249

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Official URL: https://doi.org/10.1155/2018/5127505

Abstract

In this paper, a fault detection and diagnosis (FDD) scheme is developed for a class of intensified HEX/reactor, in which faults caused by sensor, actuator, and process are taken into account in the unified framework. By considering overall heat transfer coefficient as a function of fouling and fluid flow rate, a dynamic model which is capable of identifying these two faults simultaneously is derived. Sensor measurements, together with estimation by adaptive high gain observers, are processed, aimed at identifying sensor faults and providing adequate estimation to substitute faulty measurements. Then reliable measurements are fed to several banks of interval filters to generate several banks of residuals; each bank of residuals is sensitive to a particular process parameter/actuator. By evaluating these residuals, process/actuator fault isolation and identification are achieved. The proposed strategy is applied to actual data retrieved from a new intensified heat exchanger reactor. Simulation results confirm the applicability and robustness of the proposed methodology.

Item Type:Article
Additional Information:Thanks to Hindawi Publishing Corporation editor. The original PDF of the article can be found at Journal of Control Science and Engineering website : https://www.hindawi.com/journals/jcse/2018/5127505/
HAL Id:hal-01762673
Audience (journal):International peer-reviewed journal
Uncontrolled Keywords:
Institution:French research institutions > Centre National de la Recherche Scientifique - CNRS (FRANCE)
Other partners > Guizhou University (CHINA)
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT (FRANCE)
Université de Toulouse > Institut National des Sciences Appliquées de Toulouse - INSA (FRANCE)
Université de Toulouse > Université Toulouse III - Paul Sabatier - UPS (FRANCE)
Laboratory name:
Funders:
Science and Technology Foundation of Guizhou Province, China ([2016]1053) - Key Project of Science and Technology Foundation of Guizhou Province, China ([2016]2302) - IDEX-UNITI Toulouse - 'SUPERHEX' project
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Deposited By: Michel CABASSUD
Deposited On:10 Apr 2018 10:59

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