Robust and efficient solution of the inverse heat conduction problem using observers / J. Blum

Public ISBD Accompagne Advanced concepts and techniques in thermal modelling / J. Henriette Titre : Robust and efficient solution of the inverse heat conduction problem using observers Type de document : texte imprimé Auteurs : J. Blum, Auteur ; W. Marquardt, Auteur Année de publication : 1998 Importance : p 175-182 Langues : Anglais (eng) Catégories : MATHEMATIQUE-PHYSIQUE-CHIMIE Mots-clés : PROBLEME DE CONDUCTION  TRANSFERT DE CHALEUR Résumé : Observers are proposed as a solution algorithm for the inverse heat conduction problems (IHCP) of reconstructing a time-dependent surface heat flux at the boundary of a linear heat conductor. Solving the IHCP is viewed as a filter design problem in which the reconstructed heat flux is obtained by lowpass-filtering of the true heat flux. It is demonstrated that observers yield a better tradeoff between the deterministic bias and the sensitivity to measurement errors and lead to smaller-size computational problems than other solution approaches. Numéro du document : A 7482/PHY Niveau Bibliographique : 2 Bull1 (Theme principale) : PHYSIQUE Bull2 (Theme secondaire) : THERMIQUE Accompagne Advanced concepts and techniques in thermal modelling / J. Henriette Robust and efficient solution of the inverse heat conduction problem using observers [texte imprimé] / J. Blum, Auteur ; W. Marquardt, Auteur . - 1998 . - p 175-182. Langues : Anglais (eng) Catégories : MATHEMATIQUE-PHYSIQUE-CHIMIE Mots-clés : PROBLEME DE CONDUCTION  TRANSFERT DE CHALEUR Résumé : Observers are proposed as a solution algorithm for the inverse heat conduction problems (IHCP) of reconstructing a time-dependent surface heat flux at the boundary of a linear heat conductor. Solving the IHCP is viewed as a filter design problem in which the reconstructed heat flux is obtained by lowpass-filtering of the true heat flux. It is demonstrated that observers yield a better tradeoff between the deterministic bias and the sensitivity to measurement errors and lead to smaller-size computational problems than other solution approaches. Numéro du document : A 7482/PHY Niveau Bibliographique : 2 Bull1 (Theme principale) : PHYSIQUE Bull2 (Theme secondaire) : THERMIQUE

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