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Статті в журналах з теми "Réseaux connectés"
BONNADIER, Frédéric. "Réseaux d’Eau Intelligents multiusages (REImu) : le numérique au service de la maîtrise des usages de l’eau." Techniques Sciences Méthodes 9 (September 20, 2023): 33–42. http://dx.doi.org/10.36904/tsm/202309033.
Повний текст джерелаFerone, Georges, and Jacques Crinon. "Se former à distance de manière collaborative : Le cas du réseau Twictée." Médiations et médiatisations, no. 5 (January 29, 2021): 118–33. http://dx.doi.org/10.52358/mm.vi5.162.
Повний текст джерелаKITOKO, Armand. "INCIDENCE DES RESEAUX SOCIAUX SUR L’EPANOUISSEMENT DE LA CULTURE SCIENTIFIQUE DES ETUDIANTS EN RDC. CAS DE LA VILLE DE KISANGANI." IJRDO - Journal of Social Science and Humanities Research 9, no. 7 (July 27, 2023): 1–9. http://dx.doi.org/10.53555/sshr.v9i7.5775.
Повний текст джерелаVivien, Laurent, Delphine Marris-Morini, Eric Cassan, Carlos Alonso-Ramos, Charles Baudot, Frédéric Bœuf, and Bertrand Szelag. "Circuits intégrés photoniques silicium." Photoniques, no. 93 (September 2018): 18–22. http://dx.doi.org/10.1051/photon/20189318.
Повний текст джерелаDeperne, Marcel. "Le réseau d'affaires francophone dans la haute vallée de l'Ohio et le Kentucky entre 1783 et 1815." French Historical Studies 46, no. 4 (November 1, 2023): 525–58. http://dx.doi.org/10.1215/00161071-10713947.
Повний текст джерелаCrinon, Dr Jacques. "Les réseaux connectés d'enseignants, un instrument de développement professionnel? Connected teacher networks, a tool for professional development?" المجلة الدولية للتعليم الإلکتروني 1, no. 3 (April 1, 2021): 29–48. http://dx.doi.org/10.21608/ijel.2021.163400.
Повний текст джерелаTellier, Albéric. "L’adoption de l’open innovation dans l’industrie musicale." Revue Française de Gestion 47, no. 296 (April 2021): 85–106. http://dx.doi.org/10.3166/rfg.2021.00516.
Повний текст джерелаMarsico, G. "Numérique, virtuel, réseaux sociaux, objets connectés : leviers ou freins à la confiance dans la relation de soins ?" Psycho-Oncologie 14, no. 1-2 (March 2020): 53–56. http://dx.doi.org/10.3166/pson-2020-0123.
Повний текст джерелаPicheta, L., and V. Hoël. "Conception, réalisation et caractérisation d’un transposeur abaisseur de fréquence en bande X." J3eA 23 (2024): 1015. http://dx.doi.org/10.1051/j3ea/20241015.
Повний текст джерелаNicholas, Bonnie, Augusta Avram, Jennifer Chow, and Svetlana Lupasco. "Building a Community of Connected ELT Professionals on Twitter." TESL Canada Journal 35, no. 2 (December 31, 2018): 166–78. http://dx.doi.org/10.18806/tesl.v35i2.1296.
Повний текст джерелаДисертації з теми "Réseaux connectés"
Chelly, Magda Lilia. "Propagation d'une position dans les réseaux connectés." Phd thesis, Institut National des Télécommunications, 2011. http://tel.archives-ouvertes.fr/tel-00843587.
Повний текст джерелаChelly, Magda Lilia. "Propagation d'une position dans les réseaux connectés." Electronic Thesis or Diss., Evry, Institut national des télécommunications, 2011. http://www.theses.fr/2011TELE0018.
Повний текст джерелаPositioning systems have undeniably progressed. Currently, in an outdoor environment, the accuracy reaches a few centimetres under certain conditions: open space, clear sky, specific measurement techniques, etc. Nevertheless, the problem of positioning in an indoor environment remains persistent: multipath, attenuation, etc. Different systems for indoor positioning have been developed, using technologies such as UWB, WiFi or Infrared. These systems provide interesting results that could allow to reach one meter accuracy. But, this accuracy is related to many criteria: infrastructure, technology, calibration, technical computing, etc. To reduce these constraints, we propose a new approach for positioning. Our approach utilizes all the network equipments present in an environment. The approach is based on two fundamental steps: the study of visibility and the development of geographical links. The study of visibility estimates the visible equipments in the environment. We have studied several models of visibility and we carried out a comparison of the results. A three-dimensional graph is build using the study of geographical links between equipments. This graph allows us to visualize the distribution of equipments and to estimate the geographic positions of each device. To implement our approach, we developed a simulator in Matlab. The simulator first studies the visible equipments for the unknown device. Then, it estimates the distances between the device and the visible equipments. Finally, it constructs a graph and calculates the geographical positions. Simulation results are presented to validate our approach. Our approach is a positioning system capable of operating without additional infrastructure in an indoor environment
Jebali, Ahmed. "Contrôle de divergence dans des environnements faiblement connectés." Versailles-St Quentin en Yvelines, 2003. http://www.theses.fr/2003VERS0028.
Повний текст джерелаWe worked out a replication model for applications on weakly connected environments. The model has 2 characteristics: total replication active replicas. We defined the concept of the measure of an operation an a replica. The divergence is the risk assumed if there is a divergence between replicas and the shared object. The matter is then to confine the divergence in a preset bound B : the bounded divergence criterion. We must ensure 2 sufficient conditions: to find a partitioning of B in local bounds and to ensure that the divergence between the operations initiated and the their estimation does not exceed the local bound. The estimation is done by profile functions of operation traffic. The protocol carries out an optimistic control: synchronizations are initiated when it is necessary and possible. Moreover, it allows the continuity of service in case of disconnection. Sabbarus is the platform implementing the protocol
Mroue, Maxime. "Développement de réseaux radio d'objets connectés pour les Villes Intelligentes : amélioration de la Qualité de Service du réseau LoRa." Thesis, Nantes, 2019. http://www.theses.fr/2019NANT4025/document.
Повний текст джерелаThe objective of this thesis is the development of new mechanisms to improve the quality of service for LPWAN in the context of Smart Ci- ties. First, we analyze the evolution of the quality of service by observing the packet error rate (PER) of the MAC layer of different LPWAN standards, sub- ject to network densification. Second, we focus on LoRa technology, where we identify obstacles to be raised, including the rate of rejected packets, the collisions between packets and the number of gateways deployed, in different network densification scenarios. We then introduce a new protocol called LoRa+ based on «Listening Before Talking, LBT». Finally, we use « Okumura-Hata » tools and metrics to analyze and compare the performance of this new protocol with LoRa in several types of networks, and we demonstrate that LoRa+ proves to be a timely choice, reducing both rejected packet rate and packet error rate as well as the number of gateways deployed in networks
Da, penha coelho Alexandre Augusto. "Tolérance aux fautes et fiabilité pour les réseaux sur puce 3D partiellement connectés." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAT054.
Повний текст джерелаNetworks-on-Chip (NoC) have emerged as a viable solution for the communication challenges in highly complex Systems-on-Chip (SoC). The NoC architecture paradigm, based on a modular packet-switched mechanism, can address many of the on-chip communication challenges such as wiring complexity, communication latency, and bandwidth. Furthermore, the combined benefits of 3D IC and Networks-on-Chip (NoC) schemes provide the possibility of designing a high-performance system in a limited chip area. The major advantages of Three-Dimensional Networks-on-Chip (3D-NoCs) are a considerable reduction in the average wire length and wire delay, resulting in lower power consumption and higher performance. However, 3D-NoCs suffer from some reliability issues such as the process variability of 3D-IC manufacturing. In particular, the low yield of vertical connection significantly impacts the design of three-dimensional die stacks with a large number of Through Silicon Via (TSV). Equally concerning, advances in integrated circuit manufacturing technologies are resulting in a potential increase in their sensitivity to the effects of radiation present in the environment in which they will operate. In fact, the increasing number of transient faults has become, in recent years, a major concern in the design of critical SoC. As a result, the evaluation of the sensitivity of circuits and applications to events caused by energetic particles present in the real environment is a major concern that needs to be addressed. So, this thesis presents contributions in two important areas of reliability research: in the design and implementation of deadlock-free fault-tolerant routing schemes for the emerging three-dimensional Networks-on-Chips; and in the design of fault injection frameworks able to emulate single and multiple transient faults in the HDL-based circuits. The first part of this thesis addresses the issues of transient and permanent faults in the architecture of 3D-NoCs and introduces a new resilient routing computation unit as well as a new runtime fault-tolerant routing scheme. A novel resilient mechanism is introduced in order to tolerate transient faults occurring in the route computation unit (RCU), which is the most important logical element in NoC routers. Failures in the RCU can provoke misrouting, which may lead to severe effects such as deadlocks or packet loss, corrupting the operation of the entire chip. By combining a reliable fault detection circuit leveraging circuit-level double-sampling, with a cost-effective rerouting mechanism, we develop a full fault-tolerance solution that can efficiently detect and correct such fatal errors before the affected packets leave the router. Yet in the first part of this thesis, a novel fault-tolerant routing scheme for vertically-partially-connected 3D Networks-on-Chip called FL-RuNS is presented. Thanks to an asymmetric distribution of virtual channels, FL-RuNS can guarantee 100% packet delivery under an unconstrained set of runtime and permanent vertical link failures. With the aim to emulate the radiation effects on new SoCs designs, the second part of this thesis addresses the fault injection methodologies by introducing two frameworks named NETFI-2 (Netlist Fault Injection) and NoCFI (Networks-on-Chip Fault Injection). NETFI-2 is a fault injection methodology able to emulate transient faults such as Single Event Upsets (SEU) and Single Event Transient (SET) in a HDL-based (Hardware Description Language) design. Extensive experiments performed on two appealing case studies are presented to demonstrate NETFI-2 features and advantage. Finally, in the last part of this work, we present NoCFI as a novel methodology to inject multiple faults such as MBUs and SEMT in a Networks-on-Chip architecture. NoCFI combines ASIC-design-flow, in order to extract layout information, and FPGA-design-flow to emulate multiple transient faults
Bahmani, M. "Exploration architecturale et étude des performances des réseaux sur puce 3D partiellement connectés verticalement." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-01070020.
Повний текст джерелаBahmani, Maryam. "Exploration architecturale et étude des performances des réseaux sur puce 3D partiellement connectés verticalement." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENM066/document.
Повний текст джерелаUtilization of the third dimension can lead to a significant reduction in power and average hop-count in Networks- on-Chip (NoC). TSV technology, as the most promising technology in 3D integration, offers short and fast vertical links which copes with the long wire problem in 2D NoCs. Nonetheless, TSVs are huge and their manufacturing process is still immature, which reduces the yield of 3D NoC based SoC. Therefore, Vertically-Partially-Connected 3D-NoC has been introduced to benefit from both 3D technology and high yield. Moreover, Vertically-Partially-Connected 3D-NoC is flexible, due to the fact that the number, placement, and assignment of the vertical links in each layer can be decided based on the limitations and requirements of the design. However, there are challenges to present a feasible and high-performance Vertically-Partially-Connected Mesh-based 3D-NoC due to the removed vertical links between the layers. This thesis addresses the challenges of Vertically-Partially-Connected Mesh-based 3D-NoC: Routing is the major problem of the Vertically-Partially-Connected 3D-NoC. Since some vertical links are removed, some of the routers do not have up or/and down ports. Therefore, there should be a path to send a packet to upper or lower layer which obviously has to be determined by a routing algorithm. The suggested paths should not cause deadlock through the network. To cope with this problem we explain and evaluate a deadlock- and livelock-free routing algorithm called Elevator First. Fundamentally, the NoC performance is affected by both 1) micro-architecture of routers and 2) architecture of interconnection. The router architecture has a significant effect on the performance of NoC, as it is a part of transportation delay. Therefore, the simplicity and efficiency of the design of NoC router micro architecture are the critical issues, especially in Vertically-Partially-Connected 3D-NoC which has already suffered from high average latency due to some removed vertical links. Therefore, we present the design and implementation the micro-architecture of a router which not only exactly and quickly transfers the packets based on the Elevator First routing algorithm, but it also consumes a reasonable amount of area and power. From the architecture point of view, the number and placement of vertical links have a key role in the performance of the Vertically-Partially-Connected Mesh-based 3D-NoC, since they affect the average hop-count and link and buffer utilization in the network. Furthermore, the assignment of the vertical links to the routers which do not have up or/and down port(s) is an important issue which influences the performance of the 3D routers. Therefore, the architectural exploration of Vertically-Partially-Connected Mesh-based 3D-NoC is both important and non-trivial. We define, study, and evaluate the parameters which describe the behavior of the network. The parameters can be helpful to place and assign the vertical links in the layers effectively. Finally, we propose a quadratic-based estimation method to anticipate the saturation threshold of the network's average latency
Élisabelar, Christian. "Structures et techniques de contrôle des convertisseurs connectés à un réseau triphasé impédant." Toulouse, INPT, 1990. http://www.theses.fr/1990INPT013H.
Повний текст джерелаLegrand, Adrien. "Détection, anticipation, action face aux risques dans les bâtiments connectés." Electronic Thesis or Diss., Amiens, 2019. http://www.theses.fr/2019AMIE0058.
Повний текст джерелаThis thesis aims to exploit the future mass of data that will emerge from the large number of connected objects to come. Focusing on data from connected buildings, this work aims to contribute to a generic anomaly detection system. The first year was devoted to defining the problem, the context and identifying the candidate models. The path of autoencoder neural networks has been selected and justified by a first experiment. A second, more consistent experiment, taking more into account the temporal aspect and dealing with all classes of anomalies was conducted in the second year. This experiment aims to study the improvements that recurrence can bring in response to convolution within an autoencoder used in connected buildings. The results of this study were presented and published in an IEEE conference on IoT in Egypt. The last year was devoted to improving the use of auto-encoder by proposing to include an estimate of uncertainty in the original operation of the auto-encoder. These tests, conducted on various known datasets initially and then on a connected building dataset later, showed improved performance and were published in an IEEE IA conference
Dron, Wilfried. "Méthode d'estimation de la durée de vie des objets connectés." Electronic Thesis or Diss., Paris 6, 2014. http://www.theses.fr/2014PA066719.
Повний текст джерелаConnected devices are embedded electronic systems that are powered by batteries. Their lifetime is an important constraint to take into account at very early design stages. In the context of this work, the lifetime is defined as being the time elapsed from the device very first boot until its battery does not contain enough energy to supply it. Thus, in this work, we investigate lifetime estimation in early design stages. A deep state-of-the-art's study showed that existing solutions were not accurate enough to do such estimation. Therefore, we introduce an original method oriented toward lifetime estimation in order to address this limitation. Our method relies on three fundamental aspects that are the software running on the device, its hardware platform and the battery that supplies it. This method has been implemented as a framework for the OMNeT++ network simulator. We evaluate the simulation performances of our implementation as well as the precision of our method. Moreover, in the context of a scientific collaboration with the SICS (Sweden), this method has been applied to a case study that implies several TMote Sky nodes running ContikiOS with a RPL/6LowPan communication's stack. Actually, our method gave us access to useful insights. These latter were used to improve the lifetime from 4 months to more than a year. We also compare our method’s simulation results to real experiment's measures. The absolute mean error is going from 6.17% to 11.56% depending on the model. In comparison, the state-of-the-art methods/solutions lead to an error that is greater than 35% - which highlights their inaccuracies. We also need to mention that the models that we have designed in our method were built using only the technical specifications and do not require any calibration
Книги з теми "Réseaux connectés"
Lederman, Michelle Tillis. Sympathiser pour mieux connecter. Montréal: Éditions Transcontinental, 2012.
Знайти повний текст джерелаKemmeter, Philippe De. Papa est connecté. Paris: De La Martinière jeunesse, 2015.
Знайти повний текст джерелаJon, Kleinberg, ed. Networks, crowds, and markets: Reasoning about a highly connected world. New York: Cambridge University Press, 2010.
Знайти повний текст джерелаBarabási, Albert-Laszló, and Albert-Laszló Barabási. Linked: How everything is connected to everything else and what it means for business, science, and everyday life. New York: Plume, 2003.
Знайти повний текст джерела1954-, Blais Hélène, Peluso Maria, Feminist Literacy Workers' Network, and Réseau des travailleuses féministes en alphabétisation., eds. Staying connected : a chance to talk again =: Restons en contact : encore une chance de se parler. Edmonton, Alta: Femnist Literacy Worker's Network = Réseau des travailleuses féministes en alphabétisation, 1996.
Знайти повний текст джерелаABDELKAFI, Achraf. Amélioration de la qualité énergétique d'un réseau électrique: Coordination des systèmes multi-sources renouvelables connectés au réseau ou autonomes. Éditions universitaires européennes, 2021.
Знайти повний текст джерелаKleinberg, Jon, and David Easley. Networks, Crowds, and Markets: Reasoning About a Highly Connected World. Cambridge University Press, 2012.
Знайти повний текст джерелаLuttrell, Regina. Social Media: How to Engage, Share, and Connect. Rowman & Littlefield Publishers, Incorporated, 2014.
Знайти повний текст джерелаLuttrell, Regina. Social Media: How to Engage, Share, and Connect. Rowman & Littlefield Publishers, Incorporated, 2018.
Знайти повний текст джерелаЧастини книг з теми "Réseaux connectés"
"Internet et les réseaux sociaux au coeur du quotidien inuit." In Les Inuit connectés, 157–98. Les Presses de l’Université de Laval, 2023. http://dx.doi.org/10.1515/9782766301041-011.
Повний текст джерела"Internet et les réseaux sociaux au cœur du quotidien inuit." In Les Inuit connectés, 157–98. Presses de l'Université Laval, 2023. http://dx.doi.org/10.2307/jj.5329288.13.
Повний текст джерела"Internet et les réseaux sociaux, entre outil d’émancipation et de puissance." In Les Inuit connectés, 199–234. Les Presses de l’Université de Laval, 2023. http://dx.doi.org/10.1515/9782766301041-012.
Повний текст джерела"Internet et les réseaux sociaux, entre outil d’émancipation et de puissance." In Les Inuit connectés, 199–234. Presses de l'Université Laval, 2023. http://dx.doi.org/10.2307/jj.5329288.14.
Повний текст джерелаBramoullé, David. "Pouvoir urbain et réseaux commerciaux interconfessionnels dans les territoires fatimides." In Histoire monde, jeux d’échelles et espaces connectés, 131–45. Éditions de la Sorbonne, 2017. http://dx.doi.org/10.4000/books.psorbonne.24813.
Повний текст джерелаROCHDI, Sara, and Nadia EL OUESDADI. "Les étudiants et les pratiques numériques informelles: échange et collaboration sur le réseau social Facebook." In Langue(s) en mondialisation, 127–36. Editions des archives contemporaines, 2022. http://dx.doi.org/10.17184/eac.5204.
Повний текст джерелаBENDAOUD, Fayssal. "Méthodes d’optimisation multicritères pour la sélection de réseaux dans un environnement hétérogène." In Gestion et contrôle intelligents des réseaux, 95–122. ISTE Group, 2020. http://dx.doi.org/10.51926/iste.9008.ch4.
Повний текст джерелаLATA, Manju, and Vikas KUMAR. "La sécurité des réseaux IdO dans la maison connectée." In Cybersécurité des maisons intelligentes, 163–84. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9086.ch4.
Повний текст джерелаJensel-Monge, Priscilla. "L’utilisation des réseaux sociaux par les parlementaires." In La démocratie connectée : ambitions, enjeux, réalité, 99–110. DICE Éditions, 2018. http://dx.doi.org/10.4000/books.dice.5942.
Повний текст джерелаGranjon, Fabien. "Paléo-télématique, informatique connectée et réseaux d’action." In Mobilisations numériques. Presses des Mines, 2017. http://dx.doi.org/10.4000/books.pressesmines.3594.
Повний текст джерелаТези доповідей конференцій з теми "Réseaux connectés"
Makhloufi, Lamine, Said Mekhtoub, Samira Chouiref, Omar Touhami, and Seddik Hadji. "Application de la stratégie VOHEPWM à un système onduleur connecté au réseau." In 2018 International Conference on Electrical Sciences and Technologies in Maghreb (CISTEM). IEEE, 2018. http://dx.doi.org/10.1109/cistem.2018.8613456.
Повний текст джерелаPrevost, Thibault. "Les conséquences de l'introduction des moyens connectés en électronique de puissance (RTE)." In Sources de production centralisées et décentralisées : le fonctionnement du réseau électrique aujourd'hui et demain. Les Ulis, France: EDP Sciences, 2018. http://dx.doi.org/10.1051/jtsfen/2018sou05.
Повний текст джерелаLemerle, Pierre. "Les conséquences de l'introduction des moyens connectés en électronique de puissance (EDF)." In Sources de production centralisées et décentralisées : le fonctionnement du réseau électrique aujourd'hui et demain. Les Ulis, France: EDP Sciences, 2018. http://dx.doi.org/10.1051/jtsfen/2018sou06.
Повний текст джерелаJiménez Romera, Carlos, Agustín Hernández Aja, and Mariano Vázquez Espí. "Urban compactness and growth patterns in Spanish intermediate cities." In 24th ISUF 2017 - City and Territory in the Globalization Age. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/isuf2017.2017.6060.
Повний текст джерела