Neural network evaluation of model-based residuals in fault detection of time delay systems

Zítek, Pavel; Mánková, Renata; Hlava, Jaroslav

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Title: Neural network evaluation of model-based residuals in fault detection of time delay systems

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AMCS, volume 9 (1999)

Abstract:

Model-based fault detection becomes rather questionable if a supervised plant belongs to the class of systems with distributed parameters and significant delays. Two methods of fault detection have been developed for this class of plants, namely a method of functional (anisochronic) state observer and a modified internal model control scheme adopted for that purpose. ; Both these model schemes are employed to generate residuals, i.e. differences suitable to watch whether a malfunction of the control operation has occurred. Continuous evaluation of residuals is provided by means of a dynamic application of artificial neural networks (ANNs). ; This evaluation is carried out on the basis of prediction of time series evolution, where the accordance obtained between the prediction and measured outputs is used as a classification criterion. Implementation of both the methods is demonstrated on a laboratory-scale heat transfer set-up, making use of the Real-Time Matlab software.

Publisher:

Zielona Góra: Uniwersytet Zielonogórski

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oai:zbc.uz.zgora.pl:58187

Pages:

599-617

Source:

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

Language:

eng

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Biblioteka Uniwersytetu Zielonogórskiego

Subject and keywords:

model-based fault detection anisochronic model state observer internal model control artificial neural networks

Object collections:

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/64804

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International Journal of Applied Mathematics and Computer Science (AMCS)

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Neural network evaluation of model-based residuals in fault detection of time delay systems	Nov 5, 2024

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