An expert system coupled with a hierarchical structure of fuzzy neural networks for fault diagnosis

Calado, Joao M.F.; Sá da Costa, Jose M.G.

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Title: An expert system coupled with a hierarchical structure of fuzzy neural networks for fault diagnosis

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AMCS, volume 9 (1999)

Abstract:

An on-line fault diagnosis system, designed to be robust to the normal transient behaviour of the process, is described. The overall system consists of an expert system cascade with a hierarchical structure of fuzzy neural networks, corresponding to a multi-stage fault detection and isolation system. ; The fault detection is performed through the expert system by means of fault detection heuristic rules, generated from deep and shallow knowledge of the process under consideration. If a fault is detected, the hierarchical structure of fuzzy neural networks starts and it performs the fault isolation task. ; The structure of this diagnosis system was designed to allow for the diagnosis of single and multiple simultaneous abrupt and incipient faults from only single abrupt fault symptoms. Also, it combines the advantages of both fuzzy reasoning and neural networks learning capacity. ; A continuous binary distillation column has been used as a test bed of the current approach. Single, double and triple simultaneous abrupt faults, as well as incipient faults, have been considered. The preliminary results obtained show a good accuracy, even in the case of multiple faults.

Publisher:

Zielona Góra: Uniwersytet Zielonogórski

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oai:zbc.uz.zgora.pl:58191

Pages:

667-687

Source:

AMCS, volume 9, number 3 (1999) ; click here to follow the link

Language:

eng

Rights:

Biblioteka Uniwersytetu Zielonogórskiego

Subject and keywords:

fault diagnosis fault detection fault isolation expert system fuzzy neural network abrupt faults incipient faults shallow knowledge deep knowledge

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Digital Library of Zielona Góra > Repository > Faculties > Faculty of Computer, Electrical and Control Engineering

Digital Library of Zielona Góra > Repository > Types of work > Articles

Digital Library of Zielona Góra > Repository > Scientific journals and UZ publishing series > International Journal of Applied Mathematics and Computer Science (AMCS)

Digital Library of Zielona Góra > Repository > Scientific journals and UZ publishing series > International Journal of Applied Mathematics and Computer Science (AMCS) > International Journal of Applied Mathematics and Computer Science (AMCS) (1999)

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Nov 5, 2024

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Jan 22, 2021

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https://zbc.uz.zgora.pl/publication/64808

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International Journal of Applied Mathematics and Computer Science (AMCS)

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An expert system coupled with a hierarchical structure of fuzzy neural networks for fault diagnosis	Nov 5, 2024

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