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Affichage de 1851 à 1860 sur 1999

Article dans une revue

New convergent heuristics for 0–1 mixed integer programming

Christophe Wilbaut, Said Hanafi

Several hybrid methods have recently been proposed for solving 0-1 mixed integer programming problems. Some of these methods are based on the complete exploration of small neighborhoods. In this paper, we present several convergent algorithms that solve a series of small sub-problems generated by...

European Journal of Operational Research, 2008, 195, pp.62 - 74. ⟨10.1016/j.ejor.2008.01.044⟩. ⟨hal-03723751⟩

Article dans une revue

The Safe-SADT method for aiding designers to choose and improve dependable architectures for complex automated systems

Vincent Benard, Laurent Cauffriez, Dominique Renaux

Dependability evaluation is crucial to controlling the risks associated with system failure, and for this reason, it is one of the fundamental steps in automated system design. However, the dependability evaluation methods that are currently exploited are not appropriate, given the level of...

Reliability Engineering and System Safety, 2008, 93 (2), pp.179-196. ⟨10.1016/j.ress.2006.12.020⟩. ⟨hal-00289481⟩

Article dans une revue

A 3D analysis of fore and hindlimb motion during locomotion: comparison of overground and ladder walking in rats

Cyril Garnier, Maurice Falempin, Marie-Hélène Canu

The locomotor pattern, generated by the central pattern generator, is under the dependence of descending and peripheral pathways. The afferent feedback from peripheral receptors allows the animal to correct for disturbances that occur during walking, while supraspinal structures are important for...

Behavioural Brain Research, 2008, Behavioural Brain Research, 186 (1), pp.57-65. ⟨10.1016/j.bbr.2007.07.023⟩. ⟨hal-03330708⟩

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

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

Integration of traffic management and traveller information systems : basic principles and case study in intermodal transport system management

Houcine Ezzedine, Thérèse Bonte, Christophe Kolski, Christian Tahon

As they involve many interacting agents behaving in numerous ways that are extremely difficult to predict, urban transportation systems are complex in nature. The development of intermodal passenger transportation solutions to address the mobility issues constitutes a major thrust area of urban...

International Journal of Computers, Communications and Control, 2008, 3 (3), pp.281-294. ⟨10.15837/ijccc.2008.3.2396⟩. ⟨hal-03269012⟩

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

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

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⟩