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Affichage de 1731 à 1740 sur 1999

Article dans une revue

Adding user experience into the interactive service design loop : a persona-based approach

Djilali Idoughi, Ahmed Seffah, Christophe Kolski

Approaches to service design share human–computer interaction's (HCI's) commitment to developing with and for people useful, usable and accessible services. However, there has been little explicit interaction between the emerging service sciences and the interaction design communities.…

Behaviour and Information Technology, 2012, 31 (3), pp.287-303. ⟨10.1080/0144929X.2011.563799⟩. ⟨hal-03285380⟩

Article dans une revue

Hybrid approaches for the two-scenario max-min knapsack problem

Saïd Hanafi, Raïd Mansi, Christophe Wilbaut, Arnaud Fréville

In this paper, we deal with the two-scenario max-min knapsack (MNK) problem. First, we consider several formulations of MNK as a mixed integer programming problem. Then, we propose a hybrid method as an alternative to solve the MNK exactly. The approach combines relaxation technique and the…

International Transactions in Operational Research, 2012, 19, pp.353 - 378. ⟨10.1111/j.1475-3995.2011.00836.x⟩. ⟨hal-03723733⟩

Article dans une revue

Decision support systems for air traffic controllers based on the analysis of their decision-making processes

David Annebicque, Igor Crevits, Thierry Poulain, Serge Debernard, Patrick Millot

The growth of air traffic generates a multitude of data and parameters that makes it increasing difficult for air traffic controllers to choose rapidly and safely what to decide. The study of air-traffic control of full or partial automation over the past years highlights the need for better tools…

International Journal of Advanced Operations Management, 2012, 4 (1/2), pp.85. ⟨10.1504/IJAOM.2012.045892⟩. ⟨hal-02112907⟩

Article dans une revue

Quasi-static and dynamic behaviour of the bone structures with fine geometric and materials modelling aspects

Olivier Mayeur, Grégory Haugou, Fahmi Chaari, Rémi Delille, Pascal Drazetic, Eric Markiewicz

The principle aim of this study is to highlight the influence of velocity on mechanical responses of cortical bones. Quasi-static tests are performed on cubic samples from bovine femurs in order to highlight the anisotropic effect of cortical structure. Thanks to the Hopkinson bars technique, a set…

EPJ Web of Conferences, 2012, 26, ⟨10.1051/epjconf/20122603008⟩. ⟨hal-01654665⟩

Article dans une revue

Iterative semi-continuous relaxation heuristics for the multiple-choice multidimensional knapsack problem

Igor Crevits, Saïd Hanafi, Raïd Mansi, Christophe Wilbaut

Recently several hybrid methods combining exact algorithms and heuristics have been proposed for solving hard combinatorial optimization problems. In this paper, we propose new iterative relaxation-based heuristics for the 0-1 Mixed Integer Programming problem (0-1 MIP), which generate a sequence…

Computers and Operations Research, 2012, 39, pp.32 - 41. ⟨10.1016/j.cor.2010.12.016⟩. ⟨hal-03723740⟩

Article dans une revue

Effects of biofuel from fish oil industrial residue - Diesel blends in diesel engine

Nadia Mrad, Edwin Geo Varuvel, Mohand Tazerout, Fethi Aloui

The present work aims to produce biofuel from fish oil industrial residue and to test the biofuel in diesel engine. A 4.5 kW at 1500 rpm single cylinder air cooled direct injection diesel engine was used for the present experimental work. The experimental results show that the brake thermal…

Energy, 2012, 44 (1), pp.955-963. ⟨10.1016/j.energy.2012.04.056⟩. ⟨hal-00935914⟩

Article dans une revue

Finite element modelling of orthogonal cutting: sensitivity analysis of material and contact parameters

Michel Watremez, Damien Méresse, Laurent Dubar, Julien Brocail

This paper presents a finite element model of orthogonal cutting developed with Abaqus/explicit software. An Arbitrary Lagrangian-Eulerian (ALE) formulation is used to predict chip formation, temperature, chip-tool contact length, chip thickness, and cutting forces. This numerical model makes…

International Journal of Simulation and Process Modelling, 2012, 7 (4), pp.262. ⟨10.1504/IJSPM.2012.049820⟩. ⟨hal-02372529⟩

Article dans une revue

Regeneration engineering for improving technical asset life cycle: an application to weapon systems availability assessment

Maxime Monnin, Benoît Iung, Olivier Sénéchal

Today, system availability is a determining factor in system deployment because it must be guaranteed in the operational phase while taking a large part of assets whole life cycle cost (WLCC). Thus, controlling system availability is now a critical issue in systems engineering. This is even more…

International Journal of Strategic Engineering Asset Management, 2012, 1 (1), pp.61-90. ⟨10.1504/IJSEAM.2012.044989⟩. ⟨hal-00659500⟩

Article dans une revue

Abstract Clock-Based Design of a JPEG Encoder

Adolf Abdallah, Abdoulaye Gamatié, Rabie Ben Atitallah, Jean-Luc Dekeyser

This paper presents the design and analysis of multimedia applications such as the JPEG encoder on multiprocessor architectures. Abstract clocks are considered to deal with the correctness of system behaviors and to find the most suitable execution platform configurations regarding performance and…

IEEE Embedded Systems Letters, 2012, 4 (2), pp.29 -32. ⟨10.1109/LES.2012.2189195⟩. ⟨hal-00758171⟩

Article dans une revue

Biocompatibility of the Electrical Discharge Machining Process on Titanium Surfaces

Maxence Bigerelle, Karine Anselme, Sylvain Giljean

Pure titanium samples were obtained using electrical discharge machining (EDM) on a spark erosion machine. Twenty-two titanium samples were obtained exhibiting a wide range of arithmetic roughness (Ra) varying from 1 to more than 20.9 µm. The surfaces present an isotropic structure formed by…

International Journal of Mechatronics and Manufacturing Systems, 2012, 5 (5-6), pp.419-430. ⟨10.1504/IJMMS.2012.049970⟩. ⟨hal-04430572⟩