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Affichage de 661 à 670 sur 2043

Article dans une revue

Discovery and tracking of temporal topics of interest based on belief-function and aging theories

Mondher Sendi, Mohamed Nazih Omri, Mourad Abed

Content-based microblogging networks like Twitter have a significant and fast evolution of the information amount. In addition to textual content and member activities, analyzing structural information concerning user neighborhood and communities is an opportunity for several applications such as…

Journal of Ambient Intelligence and Humanized Computing, 2019, 10 (9), pp.3409-3425. ⟨10.1007/s12652-018-1050-6⟩. ⟨hal-03517884⟩

Article dans une revue

Driver-Automation Cooperation Oriented Approach for Shared Control of Lane Keeping Assist Systems

Chouki Sentouh, Tran Anh-Tu Nguyen, Mohamed Amir Benloucif, Jean-Christophe Popieul

This paper presents a novel shared control concept for lane keeping assist (LKA) systems of intelligent vehicles. The core idea is to combine system perception with robust control so that the proposed strategy can successfully share the control authority between human drivers and the LKA system.…

IEEE Transactions on Control Systems Technology, 2019, 27 (5), pp.1962-1978. ⟨10.1109/TCST.2018.2842211⟩. ⟨hal-03426325⟩

Article dans une revue

Observer based leader-following consensus of second-order multi-agent systems with nonuniform sampled position data

Syed Ali Ajwad, Tomas Menard, Emmanuel Moulay, Michael Defoort, Patrick Coirault

This paper deals with the leader-following consensus problem of multi-agent systems with the consideration that each agent can only transmit its position state to the neighbors at irregular discrete sampling times. In the proposed algorithm, a continuous-discrete time observer is designed for the…

Journal of The Franklin Institute, 2019, 356 (16), pp.10031-10057. ⟨10.1016/j.jfranklin.2019.09.025⟩. ⟨hal-02340716⟩

Article dans une revue

Implementation of a standard stream-upwind stabilization scheme in the element-free Galerkin based solution of advection-dominated heat transfer problems during solidification in direct chill casting processes

Juan Carlos Álvarez-Hostos, Alfonso D. Bencomo, Eli Saúl Puchi-Cabrera, Victor D. Fachinotti, Benjamín Tourn, Joselynne Salazar-Bove

The present work has been conducted in order to propose an alternative solution for the heat transfer problem involved in direct-chill casting (DCC)processes, employing the element-free Galerkin (EFG)method. The internal energy balance has been solved on the basis of this global weak formulation…

Engineering Analysis with Boundary Elements, 2019, 106, pp.170-181. ⟨10.1016/j.enganabound.2019.05.008⟩. ⟨hal-03675896⟩

Article dans une revue

Adaptive nonlinear active suspension control based on a robust road classifier with a modified super-twisting algorithm

Yechen Qin, Jagat Jyoti Rath, Chuan Hu, Chouki Sentouh, Rongrong Wang

For the suspension system equipped with nonlinear hydraulic actuators and excited by external road conditions, a road adaptive intelligent suspension control strategy is developed. In this work, (1) a multi-phase intelligent road adaptive control architecture is developed to enhance the ride…

Nonlinear Dynamics, 2019, 97 (4), pp.2425 - 2442. ⟨10.1007/s11071-019-05138-8⟩. ⟨hal-03479649⟩

Article dans une revue

A robust method for MR image segmentation and multiple scleroses detection

H. Zouaoui, Abdelouahab Moussaoui, Mourad Oussalah, Abdelmalik Taleb-Ahmed

In the present article, we propose a new approach for the segmentation of the MR images of the Multiple Sclerosis (MS). The Magnetic Resonance Imaging (MRI) allows the visualization of the brain and it is widely used in the diagnosis and the follow-up of the patients suffering from MS. Aiming to…

Journal of Medical Imaging and Health Informatics, 2019, 9 (6), pp.1119-1130. ⟨10.1166/jmihi.2019.2690⟩. ⟨hal-03138564⟩

Article dans une revue

Stability analysis of a class of switched nonlinear systems using the time scale theory

Fatima Zohra Taousser, Michael Defoort, Mohamed Djemai, Seddik Djouadi, Kevin Tomsovic

This paper investigates stability for a class of switched nonlinear systems evolving on a non-uniform time domain. The studied class of systems switch between a nonlinear continuous-time and a nonlinear discrete-time subsystem. This problem is formulated using time scale theory where the latter is…

Nonlinear Analysis: Hybrid Systems, 2019, 33, pp.195-210. ⟨10.1016/j.nahs.2019.02.006⟩. ⟨hal-03468301⟩

Article dans une revue

Risk-taking, emotions and socio-cognitive dynamics of pedestrian street-crossing in the city

Stéphanie Coeugnet, Béatrice Cahour, Sami Kraïem

This study investigates pedestrian street-crossing decision-making to better appreciate both the complexity and the dynamics of this activity by analyzing the cognitive, emotional and social processes involved in such situations. We consider street-crossing decision-making in the context of…

Transportation Research Part F: Traffic Psychology and Behaviour, 2019, 65, pp.141-157. ⟨10.1016/j.trf.2019.07.011⟩. ⟨hal-02305633⟩

Article dans une revue

Experimental characterization of the mechanical behaviour and the failure of multi-sheet and multi-material spot welded assembly

Rami Tounsi, Grégory Haugou, Fahmi Chaari, Nicolas Leconte, Eric Markiewicz

An experimental investigation of the mechanical behaviour of three-sheet multi-material spot welded assembly is performed. An experimental device based on the Arcan principle is developed to test the three-sheet spot welded specimen under pure opening mode, pure shear mode and mixed opening/shear…

International Journal of Impact Engineering, 2019, 130, pp.226-238. ⟨10.1016/j.ijimpeng.2019.04.017⟩. ⟨hal-03448674⟩

Article dans une revue

Enhancing the settling time estimation of a class of fixed‐time stable systems

Rodrigo Aldana-Lopez, David Gomez-Gutierrez, Esteban Jiménez-Rodríguez, Juan Diego Sanchez-Torres, Michael Defoort

In this paper, we provide a new nonconservative upper bound for the settling time of a class of fixed-time stable systems. To expose the value and the applicability of this result, we present four main contributions. First, we revisit the well-known class of fixed-time stable systems, to show the…

International Journal of Robust and Nonlinear Control, 2019, 29 (12), pp.4135-4148. ⟨10.1002/rnc.4600⟩. ⟨hal-03644253⟩