Academic literature on the topic 'Capteur à courants de Foucault'
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Journal articles on the topic "Capteur à courants de Foucault"
Lê, Minh-Quang, and Dominique Placko. "Nouvelle structure de capteur à courants de Foucault et algorithme associé pour la mesure des propriétés électrique et magnétique d'un métal." Journal de Physique III 5, no. 6 (June 1995): 807–24. http://dx.doi.org/10.1051/jp3:1995162.
Full textBonnin, O., J. Cahouet, and P. Giordano. "Contrôle non destructif par courants de Foucault : expérience et modélisation pour la conception et l'optimisation de capteurs." Journal de Physique III 3, no. 3 (March 1993): 485–94. http://dx.doi.org/10.1051/jp3:1993110.
Full textCondoure, J. "Contrôle non destructif par courants de Foucault." Matériaux & Techniques 76, no. 9-10 (1988): 13–16. http://dx.doi.org/10.1051/mattech/198876090013.
Full textBouillault, F., and A. Razek. "Courants de Foucault dans les pièces polaires d'une machine synchrone." Revue de Physique Appliquée 21, no. 2 (1986): 181–85. http://dx.doi.org/10.1051/rphysap:01986002102018100.
Full textAknin, P., F. Monteil, and D. Placko. "Modélisation d'une structure multicapteur à courants de Foucault destinée à l'analyse de profil." Revue de Physique Appliquée 24, no. 2 (1989): 227–42. http://dx.doi.org/10.1051/rphysap:01989002402022700.
Full textPichon, L., M. Ayoub, and A. Razek. "Comparaison de techniques mixtes pour le calcul de courants de Foucault en géométrie axisymétrique." Revue de Physique Appliquée 24, no. 11 (1989): 1049–56. http://dx.doi.org/10.1051/rphysap:0198900240110104900.
Full textBouillault, F., Z. Ren, and A. Razek. "Modélisation tridimensionnelle des courants de Foucault à l'aide de méthodes mixtes avec différentes formulations." Revue de Physique Appliquée 25, no. 7 (1990): 583–92. http://dx.doi.org/10.1051/rphysap:01990002507058300.
Full textMuller, J. L. "Détection des défauts de surface sur les demi-produits chauds par courants de Foucault." Revue de Métallurgie 84, no. 6 (June 1987): 483–86. http://dx.doi.org/10.1051/metal/198784060483.
Full textLong, Cung Thanh, Pierre-Yves Joubert, and Eric Vour'ch. "Approche multifréquence à courants de Foucault pour l'évaluation de l'écartement entre pièces d'un assemblage aéronautique." Instrumentation Mesure Métrologie 10, no. 1-2 (June 28, 2010): 33–52. http://dx.doi.org/10.3166/i2m.10.1-2.33-52.
Full textDavid, Bernard, Claude Cherpentier, Michel Pigeon, and J. C. Lemarquis. "Examen par courants de Foucault multifréquence des tubes de GV de Superphénix à 150°C." Revue Générale Nucléaire, no. 3 (May 1990): 218–20. http://dx.doi.org/10.1051/rgn/19903218.
Full textDissertations / Theses on the topic "Capteur à courants de Foucault"
Vasseur, Pascal. "Etude de faisabilite d'un capteur intelligent de deplacement a courants de foucault." Reims, 1991. http://www.theses.fr/1991REIM5014.
Full textJacob, Dominique R. "Principe de la mesure simultanée de distance et d'épaisseur de dépôts métalliques par capteur à courants de Foucault : conception et réalisation d'un dispositif." Paris 11, 1988. http://www.theses.fr/1988PA112148.
Full textThis thesis presents the design of a system, using an eddy current sensor, for measuring the thickness of metallic deposits on metallic sheets. The sensor, allows the thickness measurement without an accurate position of sensor and the sheet. A model which take account of the distribution of the flux in the space and of the physical properties (resistivity, permeability) of the materials has been developed. This model has been experimentally validated. It allows to take account of the temperature and to calculate the dimensions of the sensor. An application concerning the thickness measurement of zinc deposit on a steel sheet is exposed. The informations of the sensor are digitalised and processed by a microcomputer for calculating simultaneously the distance, between the sensor and the covered sheet, and the thickness of the deposit
Attaoui, Pascale. "Analyse d'images obtenues par balayage de surface avec un capteur ponctuel courants de Foucault." Gif-sur-Yvette : Commissariat à l'énergie atomique, 1994. http://catalogue.bnf.fr/ark:/12148/cb35748414t.
Full textZitouni, Adel Nuzillard Danielle. "Modélisation et conception d'un capteur à courants de Foucault intelligent pour l'identification de canalisations enterrées." Reims : S.C.D. de l'Université, 2006. http://scdurca.univ-reims.fr/exl-doc/GED00000353.pdf.
Full textZitouni, Adel. "Modélisation et conception d'un capteur à courants de Foucault intelligent pour l'identification de canalisations enterrées." Reims, 2006. http://theses.univ-reims.fr/exl-doc/GED00000353.pdf.
Full textIn this thesis, we present the modeling of an eddy current sensor based on the induction balance principle. The objective of this detector is the localization and the identification of buried pipes without excavation. We have defines a tag for each pipe type, and the recognition of the tag involves the identification of the pipe. We call tag a succession of conductive elements, the length and spaces between these elements vary from a tag to another. Our detector includes an emitting coil which generates an electromagnetic field, and receiving coils collect the reflected field created by the eddy current in the conductive elements of the tag. A measurement of dephasing by lock-in detection allows obtaining a signal representative of the tag elements. This measurement is then conditioned thanks to a stage of filtering and denoising per Blind Source Separation (BSS) in order to eliminate the presence of an eventual conductive object in the neighbourhoods. The data analysis allows the calculation of the pertinent parameters to carry out classification. We added a new coding system compatible and complementary to the old one, as well as classifiers ensuring his identification such as: the transformation distance, DTW (Dynamic Time Warping) and the structural recognition. We added three classifiers for the first coding system, based on K near neighbourhood, the Mahalanobis distance and the Radial Basis Function (RBF) to reinforce the recognition system. A combination of the various classifiers results by a method of data fusion makes it possible to obtain a good reliability of the system. In the last part, we present the many development prospects whose principal one rests on the use of magnetic targets like tag elements
Buvat, Fabrice. "Modélisation de la réponse d'un capteur à courants de Foucault comportant un noyau ferromagnétique en régime harmonique /." [Gif-sur-Yvette] : [CEA Saclay, Direction des systèmes d'information], 2005. http://catalogue.bnf.fr/ark:/12148/cb39962624j.
Full textBuvat, Fabrice. "Modélisation de la réponse d'un capteur à courants de Foucault comportant un noyau ferromagnétique en régime harmonique." Paris 11, 2004. http://www.theses.fr/2004PA112207.
Full textIn aeronautics, non destructive evaluation by eddy-currents is commonly used to detect corrosion area or cracks in structures. Eddy-current testing by using ferrite-cored probes is effective to detect these kinds of defects. So, having a model able to predict these probes responses is a major endeavor. Our work consisted in developping a model determining the ferrite-cored probes response to a defect. To model fields inside both the core and the defect, an integral formulation has been used resulting from the application of the green's theorem onto the equations of propagation. Simulation results have been compared to synthetic data obtained by a finite-element method and they have been validated by comparison with measured impedance data. However as this model may be computationally costly, the use of the so-called non-linear approximation has been tested to tackle the case of long defects. The model has been integrated inside the civa platform developped by the cea
Monteil, François. "Étude d'une structure multicapteur à courants de Foucault : utilisation en capteur proximétrique pour un système de suivi de profil." Paris 11, 1987. http://www.theses.fr/1987PA112315.
Full textCung, Thành Long. "Évaluation non-destructive quantitative de structures aéronautiques par la méthode des courants de Foucault." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2012. http://tel.archives-ouvertes.fr/tel-00749648.
Full textZaoui, Abdelhalim. "Contribution à la modélisation du CND par matrice de capteurs à courants de Foucault." Nantes, 2008. http://www.theses.fr/2008NANT2073.
Full textThe non destructive eddy current testing is widely used in inspection of conductive materials. The use of arrayed sensors assures the control of wide surfaces and reduces the measurement noise due to the sensor displacement. On the other hand, the miniaturisation of sensors gives a best spatial resolution. In the case of sampled functioning, the modelling techniques are the same as those used for a single sensor. However, the simultaneous functioning of the sensors, while reducing the time response, requires the implementation of new modelling techniques. In this thesis, the models of single sensor system are exploited in the aim to be generalized for the case of arrayed configuration. The principle of superposition is applied to the results obtained for a single sensor system using the 2D finite element method. The 3D distribution of the electromagnetic source field is then rapidly reconstituted. A perturbation method is used in order to calculate the reaction field. This technique, when reducing the 3D computation domain to the region neighbouring the defect, brings a gain in time computing and space memory. With the aim of getting a fast direct model adapted to the iterative inversion, the ideal crack model based on the dyadic Green’s functions is generalized to the case of arrayed sensors. Finally, an inversion method using genetic algorithms is applied to reconstitute the defect geometry. The proposed models are then validated via 3D finite element computation and experimental measurements
Book chapters on the topic "Capteur à courants de Foucault"
Joubert, Pierre-Yves, Zhou Xi, Yohan Le Diraison, and Eric Vourc’h. "Dispositif instrumental d’imagerie à courants de Foucault pulsés." In Instrumentation et Interdisciplinarité, 87–92. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6-011.
Full textJoubert, Pierre-Yves, Zhou Xi, Yohan Le Diraison, and Eric Vourc’h. "Dispositif instrumental d’imagerie à courants de Foucault pulsés." In Instrumentation et Interdisciplinarité, 87–92. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6.c011.
Full textConference papers on the topic "Capteur à courants de Foucault"
Bausson, Sébastien, and Julien Cadith. "Evaluation de techniques de screening par Courants de Foucault Pulsés et Ultrasons par sonde rouleau multiéléments." In Contrôles et essais non destructifs : nouveaux besoins et innovations. Les Ulis, France: EDP Sciences, 2018. http://dx.doi.org/10.1051/jtsfen/2018con03.
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