Academic literature on the topic 'Électronique embarqué'
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Journal articles on the topic "Électronique embarqué"
Poulichet, P., L. Rousseau, J. Pagazani, and O. Français. "Lab-On-a-Chip : réalisation d'une PCR “Polymerase Chain Reaction”." J3eA 21 (2022): 1021. http://dx.doi.org/10.1051/j3ea/20221021.
Full textFrick, V., and B. Boyer. "Conception de système embarqué sur cible FPGA : une approche par compétences." J3eA 21 (2022): 1022. http://dx.doi.org/10.1051/j3ea/20221022.
Full textJovanovic, S., and S. Weber. "Modélisation SystemC-TLM de systèmes à base de processeur." J3eA 18 (2019): 1009. http://dx.doi.org/10.1051/j3ea/20191009.
Full textJovanović, S., and S. Weber. "Modélisation et accélération de réseaux de neurones profonds (CNN) en Python/VHDL/C++ et leur vérification et test à l’aide de l’environnement Pynq sur les FPGA Xilinx." J3eA 21 (2022): 1028. http://dx.doi.org/10.1051/j3ea/20220028.
Full textMéric, S., F. Nouvel, R. Agarini, T. Bunouf, Q. Guellaen, G. Le Bouhart, M. Meilhat, et al. "Système de surveillance de la qualité de l’air basé sur des capteurs embarqués sur vélo : projet AIR’O X AIR BREIZH." J3eA 21 (2022): 1026. http://dx.doi.org/10.1051/j3ea/20221026.
Full textDienot, Jean-Marc. "Rob-cem I : une initiation complète aux problématiques de compatibilité électromagnétique dans les circuits et architectures électroniques embarquées." J3eA 9 (2010): 0013. http://dx.doi.org/10.1051/j3ea/2010016.
Full textDissertations / Theses on the topic "Électronique embarqué"
Levron, Patrice. "Recherche et développement d'un convertisseur électronique de puissance continu-alternatif embarqué, à fréquence de découpage élevée." Nantes, 2002. http://www.theses.fr/2002NANT2011.
Full textThis thesis deals with an inverter based on the association of a DC-DC high frequency CUK converter and a P. W. M. Controlled bridge. The industrial constraints determine the choice of most components
Bouchoux, Sophie. "Apport de la reconfiguration dynamique au traitement d'images embarqué : étude de cas : implantation du décodeur entropique de JPEG 2000." Dijon, 2005. http://www.theses.fr/2005DIJOS027.
Full textThe appearance on the market of partially and quickly reprogrammable FPGAs, led to the development of new techniques, like dynamic reconfiguration. In order to study improvement of dynamic reconfiguration in comparison with static configuration, an electronic board was developed : the ARDOISE board. This thesis relates to the implementation of JPEG 2000 algorithm, and particularly of the entropic decoder, on this architecture and to the study of the performances obtained. To carry out a comparison of the results between the two methods, some evaluation criteria relating to costs, performances and efficiencies were defined. Implementations carried out are : implementation in partial dynamic reconfiguration of the arithmetic decoder on ARDOISE, implementation in static configuration of the entropic decoder on a Xilinx FPGA and implementation in dynamic reconfiguration of the entropic decoder on ARDOISE
Lelong, Lionel. "Architecture SoC-FPGA pour la mesure temps réel par traitement d'images. Conception d'un système embarqué : imageur CMOS et circuit logique programmable." Saint-Etienne, 2005. http://www.theses.fr/2005STET4008.
Full textThe measurements method by PIV (Particle Image Velocimetry) is a technique to measure a motion vector field in a non-intrusive way and multi points. This technique uses the cross-correlation algorithm between two images to estimate the motion. The computation quantity required by this method limits its use to off-line processing with computer. The computers performances remain insufficient for this type of applications under constraint real time on high data rates. Within sight of these specific needs, the definition and the design of dedicated architectures seem to be an adequate solution to reach significant performances. The evolution of the integration levels allows the development of structures dedicated to image processing in real time at low prices. We propose a hardware implementation of cross-correlation algorithm adapted to internal architecture of FPGA with an aim of obtaining the real time PIV. In this thesis, we were interested in the architecture design of System on-a-Chip dedicated to physical measurements of parameters by real time image processing. This is a hierarchical and modular architecture dedicated to applications of “Dominant input data flow”. This hierarchical description allows a modification of number and/or nature of elements without architecture modifications. For one measurement computation, it needs 267 µs with a FPGA at the frequency of 50 MHz. To estimate the system performances, a CMOS image sensor was connected directly to the FPGA. That makes it possible to carry out a compact, dedicated and easily reuse system. An architecture made up of 5 computation modules allows satisfying the constraint of real time processing with this prototype
Lastapis, Mathieu. "Surveillance de la santé des structures aéronautiques en composites : développement d'un système embarqué à base d'accéléromètres." Thesis, Toulouse, INSA, 2011. http://www.theses.fr/2011ISAT0021.
Full textThe structural health monitoring, or SHM, represents today a key challenge today, with a massive use of composites in the field of transport. This material, lighter than a conventional alloy, is very attractive for airplanes, trains, boats or cars manufacturing. This allows significant energy savings, but can hide internal defects invisible from the outside. At this point, dedicated supervision is essential. Blades of turboprop plane (A400M, ATR, etc.) are in face of the same problems. Determination of structural defects by the use of sensors is the key solution for the research in this field. Thus, this problem has two solutions: studying blade performances and designing an embedded system able to record data and/or monitoring the structural health. The research studies presented in this thesis represent the first results of damaged blade performances. It leads to the design of a first embedded data recorder of blade parameters and computes a first dedicated algorithm for monitoring the blade structural health and damaging events (shocks, over-speeds, over-vibrations)
Adlafi, Morwan. "Étude d’une protection pour le matériel embarqué du fantassin soumis à des projectiles de type fragment." Thesis, Lorient, 2021. http://www.theses.fr/2021LORIS614.
Full textThe protection of onboard electronic equipment has become a major issue in ensuring the safety of the combatant. We can cite various examples such as the protection of hydrogen cells in vehicles or in a soldier's onboard battery. It is in this context that the thesis is being carried out, studying multi-layers type of protection, solicited by fragment-type projectiles, weighing a few kilograms and at speeds of the order of 10 m/s. In order to ensure the commissioning of such protections, tests and simulations must be carried out over a wide range of stress states. The literature shows that multi-layer structures offer a good compromise between the ability to absorb impact energy and lightness. The studied sandwich is composed of a metallic layer, steel or aluminium, and a polymeric layer. The first part of this thesis is devoted to the characterisation of two sheet metals, namely a DP450 steel and AA2024-T3 aluminium alloy. A new sequenced shear test is proposed to identify the behaviour of the plate at large strains. The plane strain tension test is adapted to identify the dynamic failure of the sheets at strain rate up to 200/s. The second part is devoted to the complete identification of a new PDCPD resin called Nextene. An experimental campaign is carried out in order to identify the parameters of the SAMP behaviour law in the LS-Dyna software. In the last part of the study, structures are subjected to impacts in a catapult, using a 2.5 kilogram projectile at a speed of 10 m/s. Various combinations of sandwiches are compared, and the numerical simulation of the tests is proposed
Foissac, Mikaël. "Méthodologie d'analyse CEM conduite d'un réseau multiconvertisseurs." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00755888.
Full textAles, Achour. "Etude CEM des réseaux embarqués." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT051.
Full textToday normative LISN EMC does not guarantee the proper functioning systematically. Safety is ensured by EMC margins often excessive. The system is therefore suboptimal Furthermore, the operation of the converters on the AN is not necessarily representative of the actual operation : the AN is not necessarily representative of the impedances of embedded networks . Thus , filtering of a converter can be optimized but on the AN is not necessarily optimal since it is a real network . The objective of this thesis is to advance the EMC modeling of embedded systems in order to predict behavior, and optimize the filter means
Foissac, Mikael. "Méthodologie d'analyse CEM conduite d'un réseau multiconvertisseurs." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENT115/document.
Full textToday, the state of the art in EMC in power electronics allows to have some knowledge on conducted emissions generated by a converter on a Line Impedance Stabilization Network. Now, the new challenge is to include several converters connected in an embedded network. This PHD has been funded trhough the PEPS CEM sub-project, part of O2M project. It proposes a method to obtain the EMC interferences on a complex network including several converters. Based on the original idea of a “system” type EMC model, we came up with a theoretical approach based on a “Black Box” model. This model, including the converter load, has been validated through complex simulations as well as experimentations taking in account several static converters connected to the same network
Frantz, Geneviève. "Approche système pour l’étude de la compatibilité électromagnétique des réseaux embarqués." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT048/document.
Full textEnergy saving in stationary or embedded systems is a general trend in the modern society. Therefore, the “More Electrical” concept is widely developed, using the Power by Wire idea. The need of increased efficiency and the various ways the electricity is produced, used or stored has led to the generalization of power electronics use. If this solution is effective regarding weight and losses, the high switching frequencies and sharp commutations (several mega-volts or mega-amps per microseconds) generate Electromagnetic Interferences (EMI) which have to be managed. This phenomenon is especially dramatic with the new wide band gap devices, with always increasing commutation speed. Electromagnetic models (EMC) of power electronics converters are thus needed to manage EMC aspects of More Electrical Systems. Depending on the needs, many solutions have been proposed in the literature, to account for the high frequency behavior of power electronics converters (from the switching frequency to several tens of Megahertz). In addition to the classical normative approach, the “EMC system model for power electronics converter” presented here aims to be suitable for embedded networks. In opposition to EMC filter design method, no inner knowledge (as an accurate description of each element and propagation path) from the studied converter is needed. Only external measurements are needed to get the model. Thus, non-disclosure agreement is guaranteed and the embedded network can be studied. Regarding the network structure, the “LISN + Converter” approach can be far away from its complexity. A more global approach might be achievable with “black-box” approach. For the normative approach, only EMI under 30MHz are considered. By increasing the switching frequency, the “EMC system model” has to be valid up to 100MHz. The aim of the Ph.D. is to achieve an entire identification protocol of a “Black-box” model. This modification has been chosen for: • Its tiny number of elements. This means that it can be use in network analysis with multiple converters. • Its generalist form lead to a systematic method of analysis. • Its links with the classical common mode and differential mode approach which give some interesting connection with classical converters modelization. Those links lead to a physical consideration about the meaning of this non-comprehensive model
Samson, Arnaud. "Conception d’un système d’alignement temporel basé sur une sonde temporelle pour le scanner LabPET II." Mémoire, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/11847.
Full textBook chapters on the topic "Électronique embarqué"
Grenier, Gérald, Robert Kieffer, Imad Laktineh, Luigi Caponetto, Christophe Combaret, Jean-Christophe Ianigro, Nick Lumb, and Laurent Mirabito. "Un calorimètre hadronique de très grande granularité grâce à des détecteurs gazeux équipés d’une électronique embarquée de numérisation multi-seuils à alimentation pulsée." In Instrumentation et Interdisciplinarité, 109–14. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6-014.
Full textGrenier, Gérald, Robert Kieffer, Imad Laktineh, Luigi Caponetto, Christophe Combaret, Jean-Christophe Ianigro, Nick Lumb, and Laurent Mirabito. "Un calorimètre hadronique de très grande granularité grâce à des détecteurs gazeux équipés d’une électronique embarquée de numérisation multi-seuils à alimentation pulsée." In Instrumentation et Interdisciplinarité, 109–14. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-1206-6.c014.
Full textConference papers on the topic "Électronique embarqué"
Giraudeau, M., E. Ronfaut, and D. Bihannic. "Apport des HUMS sur les performances SdF et soutien des équipements électroniques embarqués." In Congrès Lambda Mu 19 de Maîtrise des Risques et Sûreté de Fonctionnement, Dijon, 21-23 Octobre 2014. IMdR, 2015. http://dx.doi.org/10.4267/2042/56104.
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