An “intelligent” approach based on side-by-side cascade-correlation neural networks for estimating thermophysical properties from photothermal responses

Stéphane Grieu 1 Olivier Faugeroux 1 Adama Traoré 1 Bernard Claudet 1 Jean-Luc Bodnar 2
1 PROMES - Procédés, Matériaux et Energie Solaire
2 GRESPI - Groupe de Recherche en Sciences Pour l'Ingénieur - EA 4694
Abstract : In the present paper, an artificial-intelligence-based approach dealing with the estimation of thermophysical properties is designed and evaluated. This new and “intelligent” approach makes use of photothermal responses obtained when subjecting materials to a light flux. So, the main objective of the present work was to estimate simultaneously both the thermal diffusivity and conductivity of materials, from front-face or rear-face photothermal responses to pseudo random binary signals. To this end, we used side-by-side feedforward neural networks trained with the cascade-correlation algorithm. In addition, computation time was a key point to consider. That is why the developed algorithms are computationally tractable.
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Submitted on : Friday, July 10, 2015 - 4:08:30 PM
Last modification on : Thursday, January 25, 2018 - 1:01:46 AM

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Stéphane Grieu, Olivier Faugeroux, Adama Traoré, Bernard Claudet, Jean-Luc Bodnar. An “intelligent” approach based on side-by-side cascade-correlation neural networks for estimating thermophysical properties from photothermal responses. European Physical Journal: Applied Physics, EDP Sciences, 2015, 69 (1), 8 p. ⟨10.1051/epjap/2014140254⟩. ⟨hal-01175565⟩

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