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An automatic selection of optimal recurrent neural network architecture for processes dynamics modelling purposes

Abstract

A problem related to the development of algorithms designed to find the structure of artificial neural network used for behavioural (black-box) modelling of selected dynamic processes has been addressed in this paper. The research has included four original proposals of algorithms dedicated to neural network architecture search. Algorithms have been based on well-known optimisation techniques such as evolutionary algorithms and gradient descent methods. In the presented research an artificial neural network of recurrent type has been used, whose architecture has been selected in an optimised way based on the above-mentioned algorithms. The optimality has been understood as achieving a trade-off between the size of the neural network and its accuracy in capturing the response of the mathematical model under which it has been learnt. During the optimisation, original specialised evolutionary operators have been proposed. The research involved an extended validation study based on data generated from a mathematical model of the fast processes occurring in a pressurised water nuclear reactor.

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Category:
Articles
Type:
artykuły w czasopismach
Published in:
APPLIED SOFT COMPUTING no. 116,
ISSN: 1568-4946
Language:
English
Publication year:
2022
Bibliographic description:
Laddach K., Łangowski R., Rutkowski T., Puchalski B.: An automatic selection of optimal recurrent neural network architecture for processes dynamics modelling purposes// APPLIED SOFT COMPUTING -Vol. 116, (2022),
DOI:
Digital Object Identifier (open in new tab) 10.1016/j.asoc.2021.108375
Verified by:
Gdańsk University of Technology

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