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Affichage de 1471 à 1480 sur 2043

Article dans une revue

Complementary tribometers for the analysis of contact phenomena in grinding

Eduardo García, José Antonio Sánchez, Damien Méresse, Iñigo Pombo, Laurent Dubar

The characterization of friction and tribological phenomena occurring in grinding requires reliable experimental input data. Up to now, existing test benches exhibit important limitations. Steep thermal gradients and elastic deformations of both machine structure, and rubbing elements are the main…

Journal of Materials Processing Technology, 2014, 214 (9), pp.1787-1797. ⟨10.1016/j.jmatprotec.2014.03.026⟩. ⟨hal-03624510⟩

Article dans une revue

Time Series Modelling and Forecasting of Emergency Department Overcrowding

Farid Kadri, Fouzi Harrou, Sondès Chaabane, Christian Tahon

Efficient management of patient flow (demand) in emergency departments (EDs) has become an urgent issue for many hospital administrations. Today, more and more attention is being paid to hospital management systems to optimally manage patient flow and to improve management strategies, efficiency…

Journal of Medical Systems, 2014, 38 (9), pp.107. ⟨10.1007/s10916-014-0107-0⟩. ⟨hal-03644578⟩

Article dans une revue

Roughness characterization of the galling of metals

Cédric Hubert, Julie Marteau, Raphaël Deltombe, Y Chen, Maxence Bigerelle

Several kinds of tests exist to characterize the galling of metals, such as that specified in ASTM Standard G98. While the testing procedure is accurate and robust, the analysis of the specimenʼs surfaces (${\rm area}=1.2\;{\rm cm}$) for the determination of the critical pressure of galling remains…

Surface Topography: Metrology and Properties, 2014, 2 (3), pp.034002. ⟨10.1088/2051-672X/2/3/034002⟩. ⟨hal-02968722⟩

Article dans une revue

Heat transfer coefficient distribution on the pole face of a hydrogenerator scale model

Federico Torriano, Nicolas Lancial, Melanie Levesque, Gilles Rolland, Claude Hudon, François Beaubert, Jean-Francois Morissette, Souad Harmand

This paper focuses on the effect of rotation on heat transfer mechanisms in rotating machines with the purpose to improve the understanding of thermal phenomena and cooling of hydrogenerators. Using a simplified scale model equipped with a heated pole, it was possible to measure the temperature…

Applied Thermal Engineering, 2014, 70 (1), pp.153-162. ⟨10.1016/j.applthermaleng.2014.04.048⟩. ⟨hal-03612875⟩

Article dans une revue

Characterization and micromechanical modeling of the human cranial bone elastic properties

Jamila Rahmoun, Audrey Auperrin, Rémi Delille, Hakim Naceur, Pascal Drazetic

This paper is devoted to the experimental characterization and micromechanical modeling of the elastic behavior of the human cranial bone. Three points bending tests on the frontal, parietal and temporal bone specimens have been performed to determine their mechanical characteristics under quasi-…

Mechanics Research Communications, 2014, 60, pp.7-14. ⟨10.1016/j.mechrescom.2014.04.001⟩. ⟨hal-03624462⟩

Article dans une revue

Numerical modeling of nonlinearity, plasticity and damage in CFRP-woven composites for crash simulations

Olivier Cousigné, David Moncayo, Daniel Coutellier, Pedro P Camanho, Hakim Naceur

Car manufacturers have to develop lightweight structures to limit the weight-increase induced by the new advanced powertrain systems for hybrid and electrical vehicles. Due to their draping, stiffness, improved ductility and damage tolerance properties woven composites are being increasingly used…

Composite Structures, 2014, 115, pp.75-88. ⟨10.1016/j.compstruct.2014.04.017⟩. ⟨hal-03619842⟩

Article dans une revue

Reinforced learning systems based on merged and cumulative knowledge to predict human actions

Frédéric Vanderhaegen, Stéphane Zieba

This paper defines learning systems that contribute to the incremental building of knowledge to optimize the prediction of human actions. Two modes of knowledge building are proposed: merged approach and cumulative approach. In a merged learning system, a limited amount of knowledge is reinforced…

Information Sciences, 2014, 276, pp.146-159. ⟨10.1016/j.ins.2014.02.051⟩. ⟨hal-03644546⟩

Article dans une revue

Analyse de manœuvres d’évitement en situation d’urgence dans le cadre de la conduite automobile, An analysis of driver's avoiding maneuver in a highly emergency situation

Makoto Itoh, Marie-Pierre Pacaux-Lemoine, Frédéric Robache, Hervé Morvan

This paper discusses driver's emergency avoiding behavior while he or she is driving a car. Based on behavioral data obtained from an experiment conducted in France with a high-fidelity driving simulator, we analyzed the driver behavior just before the collision. The results showed that the…

Journal Européen des Systèmes Automatisés, 2014, 48 (4-5-6), pp.493-509. ⟨10.3166/JESA.48.493-509⟩. ⟨hal-03452149⟩

Article dans une revue

Membership Function Design for Multifactorial Multivariate Data Characterizing and Coding in Human Component System Studies

Pierre Loslever

Whatever is performed using either an experimental or observational design, human component system studies involve several factors (seen as system inputs, with either quantitative or qualitative scales) and variables (outputs, with either quantitative or qualitative scales, objective or subjective…

IEEE Transactions on Fuzzy Systems, 2014, 22 (4), pp.904-918. ⟨10.1109/TFUZZ.2013.2278410⟩. ⟨hal-03644616⟩

Article dans une revue

A Motion Planning Framework with Connectivity Management for Multiple Cooperative Robots

Michael Defoort, Kalyana Chakravarthy Veluvolu

This paper proposes a decentralized motion planning algorithm for multiple cooperative robots subject to constraints imposed by sensors and the communication network. It consists of decentralized receding horizon planners that reside on each vehicle to navigate to individual target positions. A…

Journal of Intelligent and Robotic Systems, 2014, 75 (2), pp.343-357. ⟨10.1007/s10846-013-9872-0⟩. ⟨hal-03644555⟩