Group method of data handling and neural networks applied in temperature sensors monitoring Online publication date: Wed, 18-Feb-2015
by Elaine Inacio Bueno, Iraci Martinez Pereira, Antonio Teixeira Silva
International Journal of Nuclear Knowledge Management (IJNKM), Vol. 5, No. 3, 2011
Abstract: In this work a monitoring system is developed based on the Group Method of Data Handling (GMDH) and Artificial Neural Networks (ANNs) methodologies. GMDH creates non-linear algebraic models for system characterisation and ANN is a massively parallel distributed processor made up of simple processing units called neurons. The monitoring system was applied to the IEA-R1 research reactor at Instituto de Pesquisas Energeticas e Nucleares (IPEN) by using a database obtained from a theoretical model of the reactor. The IEA-R1 research reactor is a pool-type reactor of 5 MW cooled and moderated by light water, and uses graphite and beryllium as reflector. The two methodologies (GMDH and ANN) were combined to develop a temperature monitoring system. The results were compared with previous works where GMDH and ANN were used separately and the results obtained showed an improved monitoring system.
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