Academic literature on the topic 'Routage économe en énergie'
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Journal articles on the topic "Routage économe en énergie"
Raimbault de Fontaine, Sophie. "Quelle fiscalité au service de la construction économe en énergie ?" Droit et Ville 66, no. 1 (2008): 41–68. http://dx.doi.org/10.3406/drevi.2008.2004.
Full textVercouter, Laurent, and Jean-Paul Jamont. "Une gestion économe de la confiance pour le routage dans des réseaux de capteurs sans fil." Revue d'intelligence artificielle 26, no. 5 (October 30, 2012): 543–68. http://dx.doi.org/10.3166/ria.26.543-568.
Full text"Le nucléaire, une énergie économe en ressources." Revue Générale Nucléaire, no. 1 (January 2019): 16–19. http://dx.doi.org/10.1051/rgn/20191016.
Full textBayoudh, Aida, and Jalila Sghaier. "Séchage solaire des feuilles de menthe verte." Journal of Renewable Energies 17, no. 3 (October 19, 2023). http://dx.doi.org/10.54966/jreen.v17i3.457.
Full textDissertations / Theses on the topic "Routage économe en énergie"
Huin, Nicolas. "Réseaux pilotés par logiciels efficaces en énergie." Thesis, Université Côte d'Azur (ComUE), 2017. http://www.theses.fr/2017AZUR4080/document.
Full textIn the recent years, the growth of the architecture of telecommunication networks has been quickly increasing to keep up with a booming traffic. Moreover, the energy consumption of these infrastructures is becoming a growing issue, both for its economic and ecological impact. Multiple approaches were proposed to reduce the networks' power consumption such as decreasing the number of active elements. Indeed, networks are designed to handle high traffic, e.g., during the day, but are over-provisioned during the night. In this thesis, we focus on disabling links and routers inside the network while keeping a valid routing. This approach is known as Energy Aware Routing (EAR). However current networks are not adapted to support the deployment of network-wide green policies due to their distributed management and the black-box nature of current network devices. The SDN and NFV paradigms bear the promise of bringing green policies to reality. The first one decouples the control and data plane and thus enable a centralized control of the network. The second one proposes to decouple the software and hardware of network functions and allows more flexibility in the creation and management of network services. In this thesis, we focus on the challenges brought by these two paradigms for the deployment of EAR policies. We dedicated the first two parts to the SDN paradigm. We first study the forwarding table size constraints due to an Increased complexity of rules. We then study the progressive deployment of SDN devices alongside legacy ones. We focus our attention on the NFV paradigm in the last part, and more particularly, we study the Service Function Chaining problem
Chalhoub, Gérard. "MaCARI : une méthode d'accès déterministe et économe en énergie pour les réseaux de capteurs sans fil." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2009. http://tel.archives-ouvertes.fr/tel-00724590.
Full textDiratie, Eyassu Dilla. "Hybrid internet of things network for energy-efficient video surveillance system." Electronic Thesis or Diss., université Paris-Saclay, 2022. http://www.theses.fr/2022UPASG066.
Full textWireless visual sensor networks based on IEEE 802.11 mesh networks are effective and suitable solutions for video surveillance systems in monitoring intrusions in selected areas. The IEEE 802.11-based visual sensor networks offer high bit rate video transmissions but suffer from energy inefficiency issues. Moreover, the video transmission in the visual sensor networks requires strict quality of service (QoS) in terms of bandwidth and delay. Also, it is challenging to decrease the overall energy consumption of the network while assuring guaranteed QoS in terms of bandwidth and delay in energy-constrained wireless visual sensor networks. The main contribution of this dissertation is to provide an energy-efficient video surveillance network without compromising the QoS requirement of video transmission. First, we propose a new hybrid IoT network architecture for a video surveillance system that detects and tracks an intruder in the monitoring area. The hybrid IoT network integrates the IEEE 802.11-based multi-hop visual Sensor Networks and LoRa network to provide an autonomous, energy-efficient, high-bitrate video surveillance system. Leveraging the LoRa network characteristics, the LoRa network is utilized as an always-active network for preliminary motion detection and tracking. Moreover, the LoRa network also decides which visual sensor nodes to wake up depending on the tracking information. The Kalman filter is investigated to track the intruder's trajectory from noise measurements of low-power motion sensors to activate only the visual sensor nodes along the intruder's trajectory to provide effective video vigilance. We showed through simulation that Kalman filter estimates and predicts intruder trajectory with reasonable accuracy. Moreover, the proposed hybrid IoT network approach reduces energy consumption significantly compared with a traditional, always active continuous monitoring single-tier visual sensor network. Next, the contribution of this dissertation focuses on an energy-aware and QoS routing mechanism for the IEEE 802.11-based multi-hop visual sensor network of the hybrid IoT network. We propose a routing algorithm that routes a set of video streams to the gateway with guaranteed QoS in terms of bandwidth and delay while minimizing the number of visual sensor nodes that are involved in routing. This maximizes the number of nodes that can be turned off completely to optimize the overall energy consumption of the network without compromising QoS performance. The proposed routing problem is formulated as an Integer Linear Program (ILP) and solved using the branch-and-bound algorithm. Through computer simulation, the performance of the proposed approach is compared with the existing state-of-the-art routing algorithms from the literature. The results clearly show that the proposed mechanism saves a significant amount of the overall energy consumption while guaranteeing QoS in terms of bandwidth and delay
Rosset, Marie-Minerve. "Gestion thermique optimale d'un bâtiment : contrôle d'un chauffage à faible inertie, contrôle des échanges extérieurs." Paris 11, 1986. http://www.theses.fr/1986PA112067.
Full textThis thesis evaluates the advantages of a good thermal control of a building during the heating season. The aims nowadays are: 1) to bring down running costs by taking advantage of both solar energy and off-peak energy rates ; 2)to improve comfort by preventing excessive temperature oscillations. "Simple-Zone" and "Simple Energy-Source” cases are studied with the view to minimizing energy costs and discomfort. When control free, the thermal system (the building) is of linear type, but here two kinds of controls are used: a low inertia heater delivering instant power, and a mobile insulation device (shutter); there-fore the thermal system (building + heater + shutter) is modelized by a nonlinear low dimension state equation. In the first part of this work, only the action of the low inertia heater is taken into account. Modelization in this case results in a degenerated linear-quadratic equation with control constraints, whose optimization leads to better quality comfort. With intermittent occupation and off-peak energy rates, running costs can be cut by up to 25 %. In most realistic meteorological situations, optimal heating management does not anticipate on future meteorological inputs and therefore makes little use of the heat storage capacity of the building. The second part of this wok deals with a two dimension optimal control problem (i. E. Heater and shutters), which is a singular non-linear one, with control constraints. The insulation component of the control is shown to be "bang-bang", thus reducing heating optimization to a linear-quadratic type problem. In the case of a low inertia wall, optimal management of shutters, allows trapping of solar energy during mead season, while reducing night energy lasses, whereas thermal walls (i. E. High inertia walls) are efficient even in winter
Leclercq, Jérôme. "Dépollution de l'air intérieur par catalyse économe en énergie sur catalyseurs en film mince chauffés par leur support métallique." Phd thesis, Université Claude Bernard - Lyon I, 2013. http://tel.archives-ouvertes.fr/tel-01070795.
Full textMazauric, Dorian. "Optimisation discrète dans les réseaux de télécommunication : reconfiguration du routage, routage efficace en énergie, ordonnancement de liens et placement de données." Phd thesis, Université de Nice Sophia-Antipolis, 2011. http://tel.archives-ouvertes.fr/tel-00643513.
Full textPhan, Truong Khoa. "Conception et gestion de réseaux efficaces en énergie." Thesis, Nice, 2014. http://www.theses.fr/2014NICE4065/document.
Full textIn this thesis, we study several models of energy-Aware routing. For each model, we present a linear programming formulation to find the exact solution. Moreover, since energy-Aware routing is NP-Hard problem, we also propose efficient heuristic algorithms for large scale networks. In the first part of this thesis, we deal with GreenRE - a new energy-Aware routing model with the support of redundancy elimination. We first present a deterministic model in which we show how to combine energy-Aware routing and redundancy elimination to improve energy efficiency for backbone networks. Then, we extend the model in order to take into account uncertainties in traffic volumes and redundancy rates. The second part of this thesis is devoted to the deployment issues of energy- aware routing in practice. In detail, to avoid service deterioration for end-Users, we limit changes of network configurations in multi-Period traffic matrices in Open Shortest Path First (OSPF) protocol. Next, we address the problem of limited rule space in OpenFlow switches when installing energy-Aware routing configurations. Finally, we present in the appendix other works developed during this thesis: multicast network protocol and TCP congestion control algorithm
Marie, Stéphane. "Routage multi-critère des navires à propulsion hybride." Rennes, INSA, 2010. http://www.theses.fr/2010ISAR0022.
Full textThe work has been carried out within the project Grand Large the aim of which is to introduce an automated system of sail adjustment especially for trawlers and coasters. In this study sail-assisted motor vessels weather routing is investigated to establish the most economical route by applying available information of the ship behavior regarding the encountered sea-conditions. To derive the vessel's fuel use on a route, a fuzzy logic model is constructed through an automated identification process. Only data collected from actual integrated bridge measurements systems is used. Fuzzy modeling is a framework providing a flexible and transparent athematical structure to describe the physical relationships in a vessel behavior. This consumption model is integrated into a determinist weather-routing optimization workflow based on a systematic meshing scheme of the sailing area. Pareto-optimization with a Multi-Objective Genetic Algorithm (MOGA) is used to maximize fuel economy in a limited or optimum time. The benefits of the developed decision helping tool in sail-assisted motor vessel routing are highlighted on a westbound north Transatlantic journey
Saad, Clément. "Quelques contributions dans les réseaux de capteurs sans fil : Localisation et Routage." Phd thesis, Université d'Avignon, 2008. http://tel.archives-ouvertes.fr/tel-00364914.
Full textAissani, Mohamed. "Optimisation du routage dans les réseaux de capteurs pour les applications temps-réel." Phd thesis, Université Paris-Est, 2011. http://tel.archives-ouvertes.fr/tel-00664272.
Full textBook chapters on the topic "Routage économe en énergie"
SHIOMI, Jun, and Tohru ISHIHARA. "Calcul de l’énergie minimale par ajustement des tensions d’alimentation et de seuil." In Systèmes multiprocesseurs sur puce 1, 277–307. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9021.ch10.
Full textConference papers on the topic "Routage économe en énergie"
Jamont, J. P., and M. Occello. "Un intergiciel par envoi de message économe en énergie basé sur une approche multi-agents." In the 2nd French-speaking conference. New York, New York, USA: ACM Press, 2005. http://dx.doi.org/10.1145/1102613.1102643.
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