Academic literature on the topic 'Méthodes basées perturbations'
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Journal articles on the topic "Méthodes basées perturbations":
Vincendon, Béatrice, Simon Edouard, and Véronique Ducrocq. "De l'incertitude dans un système de prévision d'ensemble des crues rapides méditerranéennes." La Houille Blanche, no. 3-4 (October 2019): 22–30. http://dx.doi.org/10.1051/lhb/2019051.
Bensamoun, D. "Place des nouvelles technologies dans les stratégies de dépistage et d’évaluation des troubles thymiques et cognitifs." European Psychiatry 30, S2 (November 2015): S49. http://dx.doi.org/10.1016/j.eurpsy.2015.09.137.
Duhaime, L., and B. Pinel-Alloul. "Méthode de sélection de lacs de référence dans le cadre d'une étude Before-After Control-Impact (BACI) évaluant les effets des coupes forestières sur le zooplancton des lacs de la forêt boréale." Revue des sciences de l'eau 18 (April 12, 2005): 199–220. http://dx.doi.org/10.7202/705584ar.
Pelletier, Caroline, Lise Desmarais, and Nathalie Cadieux. "Contrat psychologique, pratiques managériales et bouleversements organisationnels : mieux s’adapter." Ad machina, no. 6 (December 22, 2022): 131–47. http://dx.doi.org/10.1522/radm.no6.1508.
Giscard, Adou Aka, N’da Kouadio Christophe, and Attah Abinan Romaric Rodolphe. "Impact de la Variablilite Climatique sur les Calendriers Agricoles dans la Sous-prefecture de Vavoua (Centre-Ouest Ivoirien)." European Scientific Journal, ESJ 18, no. 27 (August 31, 2022): 255. http://dx.doi.org/10.19044/esj.2022.v18n27p255.
Taieb, Dalila, and Essia Hamdi. "Modélisation spatio-temporelle de la dispersion du dioxyde de soufre près d’un site industriel: Réseau de neurone & bio-indicateur." Journal of Renewable Energies 17, no. 3 (October 19, 2023). http://dx.doi.org/10.54966/jreen.v17i3.460.
Hassine, Maatoug, and Rakia Malek. "Topological asymptotic formula for the 3D non-stationary Stokes problem and application." Revue Africaine de la Recherche en Informatique et Mathématiques Appliquées Volume 32 - 2019 - 2020 (October 22, 2020). http://dx.doi.org/10.46298/arima.4760.
Dissertations / Theses on the topic "Méthodes basées perturbations":
Ben, Gamra Siwar. "Contribution à la mise en place de réseaux profonds pour l'étude de tableaux par le biais de l'explicabilité : Application au style Tenebrisme ("clair-obscur")." Electronic Thesis or Diss., Littoral, 2023. http://www.theses.fr/2023DUNK0695.
Face detection from Tenebrism paintings is of growing interest to art historians and researchers in order to estimate the illuminant location, and thereby answer several technical questions. Deep learning is gaining increasing interest due to is high performance capabilities. An optimization of Faster Region based Convolutional Neural Network has demonstrated its ability to effectively address challenges and deliver promising face detection results from Tenebrism paintings. However, deep neural networks are often characterized as "black box" because of the inherent complexity and non-linearity of their architectures. To tackle these issues, eXplainable Artificial Intelligence (XAI) is becoming an active researcj area to understand deep models. So, we propose a novel iterative XAI method based on guided perturbations to explain model's application
Hama, Meriem. "Glissements de terrain : base de données et méthode des perturbations en 3D." Lyon, INSA, 2001. http://www.theses.fr/2001ISAL0006.
Consideration of natural hazards is not new. Management of these risks is developed little by little. The subject of research has been made in the context of a project W. A. S. S. S. (Wide Area Slope Stability Server). This server is support to a database, regrouping cases of landslides and relative information. This database is interest because the collection of data will serve to studies of risks. In its second part, this work of research approaches some stability methods of slopes, and proposes the extension of the method of perturbations in 3D, that we have applied on two cases: case theoretical of Ugaï (1988), and a real case, the landslide of Salle Beaumont (Isere), that in 1994 bad made four victims. This landslide occurred on a zone declared without apparent risk
Wang, Yiwei. "Développement de stratégies de maintenance structurales prédictives pour aéronefs utilisant le pronostic à base de modèles." Thesis, Toulouse, INSA, 2017. http://www.theses.fr/2017ISAT0005/document.
Aircraft maintenance represents a major economic cost for the aviation industry. Traditionally, the aircraft maintenance is highly regulated based on fixed schedules (thus called scheduled maintenance) in order to ensure safety. The frequency of scheduled maintenance is designed to be very conservative to maintain a desirable level of reliability. Developing efficient maintenance can be an important way for airlines to allow a new profit growth. With the development of sensor technology, structural health monitoring (SHM) system, which employ a sensor network sealing inside aircraft structures to monitor the damage state, are gradually being introduced in the aviation industry. Once it is possible to monitor the structure damage state automatically and continuously by SHM systems, it enables to plan the maintenance activities according to the actual or predicted health state of the aircraft rather than a fixed schedule. This work focus on the fatigue crack propagation in the fuselage panels. The SHM system is assumed to be employed. A model-based prognostics method is developed, which enables to filter the noise of SHM data to estimate the crack size, and to predict the future health state of the panels. This predictive information is integrated into the maintenance decision-making and two types of predictive maintenance are developed. The numerical study shows that the predictive maintenance significantly reduces the maintenance cost by reducing the number of maintenance stop and the repaired panels
Laflamme, Janssen Jonathan. "Méthode de calcul à N-corps basée sur la G0W0 : étude du couplage électron-phonon dans le C60 et développement d’une approche accélérée pour matériaux organiques." Thèse, 2013. http://hdl.handle.net/1866/10809.
This thesis studies the limitations of density functional theory. These limits are explored in the context of a traditional implementation using a plane waves basis set. First, we investigate the limit of the size of the systems that can be treated. Cutting edge methods that assess these limitations are then used to simulate nanoscale systems. More specifically, the grafting of bromophenyl molecules on the sidewall of carbon nanotubes is studied with these methods, as a better understanding of this procedure could have substantial impact on the electronic industry. Second, the limitations of the precision of density functional theory are explored. We begin with a quantitative study of the uncertainty of this method for the case of electron-phonon coupling calculations and find it to be substantially higher than what is widely presumed in the literature. The uncertainty on electron-phonon coupling calculations is then explored within the G0W0 method, which is found to be a substantially more precise alternative. However, this method has the drawback of being severely limitated in the size of systems that can be computed. In the following, theoretical solutions to overcome these limitations are developed and presented. The increased performance and precision of the resulting implementation opens new possibilities for the study and design of materials, such as superconductors, polymers for organic photovoltaics and semiconductors.