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Affichage de 2541 à 2550 sur 5533

  • Thèse

Modèle dynamique d'interaction véhicule-voie ferroviaire en présence de défauts géométriques sur les surfaces en contact, Dynamic train-track interaction model with geometric defects on the surfaces in contact

Bérénice Pecile

Les phénomènes dynamiques observés lors de la circulation des trains provoquent des nuisances, notamment sonores et vibratoires, qui sont amplifiées par la présence de défauts sur la roue et sur le rail. Pour les analyser, il est nécessaire de prédire avec robustesse le comportement dynamique des…, The appearance of dynamic phenomena during the running of train on track leads to issues such as noise and vibration pollution, which can be further amplified by the presence of defects on the treads. In order to analyze them, it is necessary to predict with reliability the dynamic behavior of the…

Infrastructures de transport. Université de Valenciennes et du Hainaut-Cambresis, 2017. Français. ⟨NNT : 2017VALE0004⟩. ⟨tel-01522788⟩

  • Thèse

SECAAC : Système d'Eco-Conduite Auto-Adaptatif au Conducteur, Eco-driving system self-adaptive to driver behavior

Salvatore La Delfa

Dans le secteur des transports, la conception de poste de conduite complexe nécessite plus de connaissances, de performance et d’attention des conducteurs. Les conducteurs doivent respecter des contraintes telles que la sécurité des passagers et la sécurité du système de transport ferroviaire, mais…, In transport industry, the design of complex control panel requires more knowledge, performance and attention from drivers. These drivers have to take care of constraints such as the safety of passengers and the security of the rail transport system, but also the punctuality and the comfort for the…

Interface homme-machine [cs.HC]. Université de Valenciennes et du Hainaut-Cambresis, 2017. Français. ⟨NNT : 2017VALE0002⟩. ⟨tel-03596840⟩

  • Communication dans un congrès

Big data for transport and logistics: A review

Tawfik Borgi, Nesrine Zoghlami, Mourad Abed

To face the worldwide competition and meet the recent requirements in the new information technologies era, digitalization and adoption of new information techniques have become a must for all transport and logistics companies and organizations to improve their activities. This digital…

2017 International Conference on Advanced Systems and Electric Technologies (IC_ASET), Jan 2017, Hammamet, Tunisia. pp.44-49, ⟨10.1109/ASET.2017.7983742⟩. ⟨hal-03666169⟩

  • Communication dans un congrès

Homogénéité des surfaces de pièces obtenues par Fabrication Additive

Valentin Larivière, Raphaël Deltombe, Alex Montagne, Guillaume Vansteenkiste, Maxence Bigerelle

La fabrication additive par fusion d'un lit de poudre fait partie des technologies prometteuses dans le domaine de l'impression 3D. Appliquée aux matériaux métalliques, elle se présente comme une technologie de rupture pour l'industrie. Cependant, l'état de surface des pièces…

CFM 2017 - 23ème Congrès Français de Mécanique, Aug 2017, Lille, France. ⟨hal-03465682⟩

  • Article dans une revue

Modeling and PDC fuzzy control of planar parallel robot: A differential– algebraic equations approach

Benyamine Allouche, Antoine Dequidt, Laurent Vermeiren, Michel Dambrine

Many works in the literature have studied the kinematical and dynamical issues of parallel robots. But it is still difficult to extend the vast control strategies to parallel mechanisms due to the complexity of the model-based control. This complexity is mainly caused by the presence of multiple…

International Journal of Advanced Robotic Systems, 2017, 14 (1), pp.172988141668711. ⟨10.1177/1729881416687112⟩. ⟨hal-03429415⟩

  • Communication dans un congrès

Quantitative analysis of galling in cold forging of a commercial Al-Mg-Si alloy

Kevin Le Mercier, Mirentxu Dubar, Katia Mocellin, André Dubois, Laurent Dubar

Multiple upsetting-sliding tests are performed at sliding velocities in the range of 20-200 mm.s-1 and at different plastic deformations to reproduce the local contact conditions experienced at the tool/workpiece interface during cold forging of a 6082 aluminium alloy. An original approach, able to…

International Conference on the Technology of Plasticity, ICTP 2017, Sep 2017, Cambridge, United Kingdom. pp.2298 - 2303, ⟨10.1016/j.proeng.2017.10.998⟩. ⟨hal-01667931⟩

  • Article dans une revue

Passive control of deep cavity shear layer flow at subsonic speed

Mouhammad El Hassan, Laurent Keirsbulck

Passive control of the flow over a deep cavity at low subsonic velocity is considered in the present paper. The cavity length-to-depth aspect ratio is L/H = 0.2. particle image velocimetry (PIV) measurements characterized the flow over the cavity and show the influence of the control method on the…, Nous prenons ici en considération le contrôle passif d’un écoulement à faible vitesse subsonique sur une cavité. Le rapport longueur à profondeur de la cavité est L/H = 0.2. Les mesures de vélocimétrie par image de particule caractérisent l’écoulement au dessus de la cavité et montrent l’influence…

Canadian Journal of Physics, 2017, 95 (10), pp.894-899. ⟨10.1139/cjp-2016-0822⟩. ⟨hal-03451798⟩

  • Article dans une revue

Fast binary support vector machine learning method by samples reduction

Abdelhamid Djeffal, Chaouki Babahenini, Abdelmalik Taleb-Ahmed

Support vector machine is a well-known method of statistical learning by its good accuracy; however, its training time is very poor especially in case of huge databases. Many research works aim to reduce training samples to improve training time without significant loss in accuracy. In this paper,…

International Journal of Data Mining, Modelling and Management, 2017, 9 (1), pp.1-16. ⟨10.1504/IJDMMM.2017.082555⟩. ⟨hal-03429978⟩

  • Article dans une revue

New use of the HITS algorithm for fast web page classification

Mohamed Nadjib Meadi, Chaouki Babahenini, Abdelmalik Taleb-Ahmed

The immense number of documents published on the web requires the utilization of automatic classifiers that allow organizing and obtaining information from these large resources. Typically, automatic web pages classifiers handle millions of web pages, tens of thousands of features, and hundreds of…

Turkish Journal of Electrical Engineering and Computer Sciences, 2017, 25 (3), pp.2015-2032. ⟨10.3906/ELK-1501-236⟩. ⟨hal-03428798⟩

  • Communication dans un congrès

Calculation of greenhouse gas emissions of jatropha oil and jatropha biodiesel as alternative fuels for electricity production in Côte d’Ivoire

Atta Pascal Atta, Yao N'Guessan, Céline Morin, Anne Jaecker-Voirol, Georges Descombes

The electricity in Côte d’Ivoire is mainly produced from fossil energy sources. This causes damages on environment due to greenhouse gas emissions (GHG). The aim of this paper is to calculate the greenhouse gas (GHG) emissions of jatropha oil and jatropha biodiesel as alternative fuels for…

Technologies and Materials for Renewable Energy, Environment and Sustainability TMREES16 Fall Meeting, Nov 2016, Paris, France. ⟨10.1063/1.4976287⟩. ⟨hal-01505012⟩