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Affichage de 1841 à 1850 sur 1985

Article dans une revue

Relation usinabilité-topographie de la surface usinée. Analyse conventionnelle et par la théorie du chaos

Maxence Bigerelle, Jérome Gavois, Alain Iost

Cet article propose d'analyser l'usinabilité en tournage d'un acier martensitique en fonction de la vitesse de coupe par observation topographique de la surface. Nous décrivons d'abord une méthodologie pour chercher le paramètre de rugosité le plus pertinent afin de caractériser…

Mechanics & Industry, 2008, 9 (4), pp.273-293. ⟨10.1051/meca:2008033⟩. ⟨hal-04545523⟩

Article dans une revue

Evaluation of agent-based interactive systems : proposal of an electronic informer using Petri Nets

Chi Dung Tran, Houcine Ezzedine, Christophe Kolski

The evaluation of interactive systems has been an active subject of research for many years. Many methods and tools have been proposed but most of them do not take architectural specificities of agent-based interactive systems into account. In addition, electronic informers are popular evaluation…

Journal of Universal Computer Science, 2008, 14 (9), pp.3202-3216. ⟨hal-03268968⟩

Article dans une revue

A dynamic programming based reduction procedure for the multidimensional 0-1 knapsack problem

Stefan Balev, Nicola Yanev, Arnaud Fréville, Rumen Andonov

This paper presents a preprocessing procedure for the 0–1 multidimensional knapsack problem. First, a non-increasing sequence of upper bounds is generated by solving LP-relaxations. Then, a non-decreasing sequence of lower bounds is built using dynamic programming. The comparison of the two…

European Journal of Operational Research, 2008, 186 (1), pp.63-76. ⟨10.1016/j.ejor.2006.02.058⟩. ⟨inria-00184771⟩

Article dans une revue

Joint design and pricing on a network

Luce Brotcorne, Martine Labbé, Patrice Marcotte, Gilles Savard

To optimize revenue, service firms must integrate within their pricing policies the rational reaction of customers to their price schedules. In the airline or telecommunication industry, this process is all the more complex due to interactions resulting from the structure of the supply network. In…

Operations Research, 2008, 56 (5), pp.1104-1115. ⟨10.1287/opre.1080.0617⟩. ⟨hal-01255555⟩

Article dans une revue

Sliding-Mode Formation Control for Cooperative Autonomous Mobile Robots

Michael Defoort, Thierry Floquet, Annemarie Kökösy, Wilfrid Perruquetti

This paper considers the control of a group of autonomous mobile robots. A coordinated control scheme based on a leader-follower approach is developed to achieve formation maneuvers. First and second order sliding mode controllers are proposed for asymptotically stabilizing the vehicles to a time-…

IEEE Transactions on Industrial Electronics, 2008, 55 (11), pp.3944-3953. ⟨10.1109/TIE.2008.2002717⟩. ⟨inria-00424437⟩

Article dans une revue

Demographics of wheelchair users in France: Results of National community-based handicaps-incapacités-dépendance surveys

Nicolas Vignier, Jean-François Ravaud, Myriam Winance, François-Xavier Lepoutre, Isabelle Ville

Objective: To highlight the prevalence of manual and/or powered wheelchair use within the general French population living at home or in institutions, to describe the users and to identify factors determining wheelchair use. Methods: Data were obtained from national communitybased Handicaps-…

Journal of Rehabilitation Medicine, 2008, 40 (3), pp.231-239. ⟨10.2340/16501977-0159⟩. ⟨halshs-00495623⟩

Article dans une revue

Comparison of two methods of operating theatre planning : application in a belgian hospital

Sondès Chaabane, Nadine Meskens, Alain Guinet, Marius Laurent

Operating Theatre is the centre of the hospital management's efforts. It constitutes the most expensive sector with more than 10% of the intended operating budget of the hospital. To reduce the costs while maintaining a good quality of care, one of the solutions is to improve the existent…

Journal of System Science and System Engineering, 2008, 17 (2), pp.171-186. ⟨10.1109/ICSSSM.2006.320645⟩. ⟨hal-00207753⟩

Article dans une revue

Méthode d'aide à la conception basée sur la réutilisation conceptuelle et logicielle

Etienne Cocquebert, Damien Trentesaux, Christian Tahon

Les sites web ayant pris une place prépondérante en termes d'images, de diffusion d'information et d'outils de travail, les concepteurs de sites doivent faire face à un ensemble de critères (coût, délais, qualité, sécurité) de plus en plus contraignants pour satisfaire les…, Since the web sites become more and more important regarding advertising, information announcement, and working tool, web site designers have to take into account an increasing number of criteria (cost, delay, quality, security, maintenance) during design process. We then point out the reasons why…

Revue des Sciences et Technologies de l'Information - Série ISI : Ingénierie des Systèmes d'Information, 2008, 13 (3), pp.9-33. ⟨hal-01876184⟩

Article dans une revue

Simulation comportementale du trafic routier en intersection : un mécanisme de résolution de conflit, Behavioural road traffic simulation at intersection A conflict resolution mechanism

Alexis Champion, Jean-Michel Auberlet, René Mandiau, Stéphane Espie, Christophe Kolski

Parallèlement au développement de modèles de simulation de trafic, dits mathématiques, qui décrivent le trafic de manière statistique, l'INRETS mène depuis plus de quinze ans des recherches sur la simulation du trafic routier fondée sur le comportement réel des conducteurs. ARCHISIM est un…, Besides mathematical simulation models which describe road traffic in a statistical way, the INRETS has led research works on traffic simulation based on the actual driver's behaviour for more than 15 years. ARCHISIM is a behavioural simulation model; traffic phenomena result from individual…

RTS. Recherche, transports, sécurité, 2008, 25 (100), pp.185-194. ⟨10.3166/rts.100.185-194⟩. ⟨hal-03390580⟩

Article dans une revue

The role of eye height in judgment of an affordance of passage under a barrier

Romaric Marcilly, Marion Luyat

According to the ecological theory of visual perception (Gibson, 1979), the perceiver-actor perceives affordances (i.e. opportunities of action) through multiple interactions with the environment. This perception is direct and consists in picking up information that specifies the relationship…, D’après la théorie écologique de la perception (Gibson, 1979), l’observateur-acteur, au cœur de ses multiples interactions avec l’environnement, perçoit des affordances, c’est-à-dire des opportunités d’action. Cette perception serait directe et nécessiterait la prise d’information qui spécifierait…

Current Psychology Letters - Behaviour, Brain and Cognition, 2008, Current Psychology Letters: Behaviour, Brain & Cognition, 24 (1), ⟨10.4000/cpl.3443⟩. ⟨hal-03708026⟩