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Affichage de 1391 à 1400 sur 1985

Article dans une revue

Lyapunov‐based robust control design for a class of switching non‐linear systems subject to input saturation: application to engine control

Tran Anh-Tu Nguyen, Michel Dambrine, Jimmy Lauber

Control technique based on the well-known Takagi–Sugeno (T–S) models offers a powerful and systematic tool to cope with complex non-linear systems. This study presents a new method to design robust H ∞ controllers stabilising the switching uncertain and disturbed T–S systems subject to control...

IET Control Theory and Applications, 2014, 8 (17), pp.1789-1802. ⟨10.1049/iet-cta.2014.0398⟩. ⟨hal-03649002⟩

Article dans une revue

Optimal control based algorithms for energy management of automotive power systems with battery/supercapacitor storage devices

Tran Anh-Tu Nguyen, Jimmy Lauber, Michel Dambrine

The objective of this work is to show how to control the electric power systems of a vehicle in such a manner that their power flows should be optimized in the sense of energy efficiency. As will be seen, the control problem considered in this work can be formulated as an optimization problem in...

Energy Conversion and Management, 2014, 87, pp.410-420. ⟨10.1016/j.enconman.2014.07.042⟩. ⟨hal-03040610⟩

Article dans une revue

Reverse flow region associated to a heat transfer in a turbulent wall jet

Nora Nait Bouda, A. Babbou, Souad Harmand

A numerical study is performed in order to investigate the effects of the inlet flow structure on the flow and heat transfer characteristics in the reattachment zone downstream a backward facing step. Indeed, two inlet flow configurations are considered; a turbulent wall jet (WJ) which presents a...

International Journal of Thermal Sciences, 2014, 85, pp.151-158. ⟨10.1016/j.ijthermalsci.2014.06.024⟩. ⟨hal-03452071⟩

Article dans une revue

Interpolation functions of a hybrid-Trefftz perforated super-element featuring nodes on the hole boundary

Claire Hennuyer, Nicolas Leconte, Bertrand Langrand, Eric Markiewicz

The topic of the paper is related to the macroscopic modelling of riveted assemblies for full-scale aircraft structures subjected to crash/impact loadings. “Super-elements” have been developed to model the rivet and its rupture. However, stress concentrations in riveted assemblies can also initiate...

Finite Elements in Analysis and Design, 2014, 91, pp.40-47. ⟨10.1016/j.finel.2014.07.008⟩. ⟨hal-03612924⟩

Article dans une revue

Contribution du persona à la résilience des systémes. Impact sur les interfaces utilisateur, Contribution of the persona to the resilience of systems: Impacts on the user interfaces

Jean-René Ruault, Christophe Kolski, Frédéric Vanderhaegen

Les systèmes sociotechniques sont résilients quand ils ont la capacité pour faire face aux situations imprévues sans précédent, pour lesquelles la sécurité n’a pas été spécifiée. Les quatre fonctions de la résilience sont : éviter l’accident, résister à un accident, adapter, restaurer une situation..., The sociotechnical systems are resilient when they have the capacity to face the unprecedented unforeseen situations, for which the safety was not specified. The four functions of the resilience are: to avoid the accident, to resist to an accident, to adapt, and to restore a viable and stable...

Journal Européen des Systèmes Automatisés, 2014, 48 (4-6), pp.373-396. ⟨10.3166/jesa.48.373-396⟩. ⟨hal-03388475⟩

Article dans une revue

Maintenir des MDD persistants pour établir la consistance d’arc, Maintaining persistent MDD for arc consistency

Julien Vion, Sylvain Piechowiak

In this paper, we present MDDF, a new algorithm for revising constraints defined using multi-valued decision diagrams (MDD). MDDF copies modified parts of the MDD "on the fly" during the search of a solution, which yields a better incrementality than the previous MDDC algorithm by Cheng...

Revue des Sciences et Technologies de l'Information - Série RIA : Revue d'Intelligence Artificielle, 2014, 28 (5), pp.547-569. ⟨10.3166/RIA.28.547-569⟩. ⟨hal-03663860⟩

Article dans une revue

Interactions homme-machine dans les véhicules automatisés. Le cas du partage du contrôle latéral à basse vitesse, Human-machine interactions in automated vehicle: Case of low speed lateral control sharing

Chouki Sentouh, Jean-Christophe Popieul, Serge Debernard, Serge Boverie

The work described in this paper is part of a research program named ABV where the goal is the automation of road vehicle at low speed while ensuring the sharing of driving between the driver and the assistance. This research focused on the problem of human-machine cooperation in the specific...

Journal Européen des Systèmes Automatisés, 2014, 48 (4-5-6), pp.511-538. ⟨10.3166/jesa.48.511-538⟩. ⟨hal-03468627⟩

Article dans une revue

Dissonance Engineering: A New Challenge to Analyse Risky Knowledge When using a System

Frédéric Vanderhaegen

The use of information systems such as on-board automated systemsfor cars presents sometimes operational risks that were not taken into account withclassical risk analysis methods. This paper proposes a new challenge to assess risksby implementing an automated tool based on the dissonance...

International Journal of Computers, Communications and Control, 2014, 9 (6), pp.776-785. ⟨10.15837/ijccc.2014.6.1484⟩. ⟨hal-03430085⟩

Article dans une revue

Démarche centrée utilisateur pour la conception de SIAD basés sur un processus d'ECD, application dans le domaine de la santé

Hela Ltifi, Mounir Ben Ayed, Christophe Kolski, A.M. Alimi

Cet article s'inscrit dans le cadre de la conception de systèmes décisionnels centrés utilisateur basés sur un processus d'Extraction de Connaissances à Partir des Données (ECD). Ce processus doit déboucher sur un ensemble de modules, il est itératif et interactif. De ce fait il nous..., This article concerns the design of Decision Support Systems (DSS) based on a Knowledge Discovery from Data (KDD) process. This process aims at generating a set of software modules; it is iterative and interactive For this reason, it is essential to us to take Human-Computer Interaction principles...

Journal d'Interaction Personne-Système, 2014, Volume 1 (1), pp.1-25. ⟨10.46298/jips.57⟩. ⟨hal-01058947⟩

Article dans une revue

Multi-variable distributed backtracking with sessions

René Mandiau, Julien Vion, Sylvain Piechowiak, Pierre Monier

The Constraint Satisfaction Problem (CSP) formalism is used to represent many combinatorial decision problems instances simply and efficiently. However, many such problems cannot be solved on a single, centralized computer for various reasons (e.g., their excessive size or privacy). The Distributed...

Applied Intelligence, 2014, 41 (3), pp.736-758. ⟨10.1007/s10489-014-0532-2⟩. ⟨hal-03578668⟩