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Affichage de 661 à 670 sur 2043

Article dans une revue

Event management architecture for the monitoring and diagnosis of a fleet of trains: a case study

Ahmat Fadil Adoum, Damien Trentesaux, Guillaume Branger

In recent years, more and more manufacturers and operators of fleets of mobile systems have been focusing their efforts on studying and developing conditional maintenance, monitoring, and diagnostic strategies to cope with an increasingly competitive, unstable, costly, and unpredictable environment…

Journal of Modern Transportation, 2019, 27 (3), pp.169-187. ⟨10.1007/s40534-019-0187-0⟩. ⟨hal-03426305⟩

Article dans une revue

A class of robust consensus algorithms with predefined-time convergence under switching topologies

Rodrigo Aldana-Lopez, David Gomez-Gutierrez, Michael Defoort, Juan Diego Sanchez-Torres, Aldo-Jonathan J Muñoz-Vázquez

This paper addresses the robust consensus problem under switching topologies. Contrary to existing methods, the proposed approach provides decentralized protocols that achieve consensus for networked multiagent systems in a predefined time. Namely, the protocol design provides a tuning parameter…

International Journal of Robust and Nonlinear Control, 2019, 29 (17), pp.6179-6198. ⟨10.1002/rnc.4715⟩. ⟨hal-03644301⟩

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

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

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⟩

Article dans une revue

Ultra-local model-based control of the square-back Ahmed body wake flow

Baptiste Plumejeau, Sebastien Delprat, Laurent Keirsbulck, Wafik Abassi

This paper presents a new model-free control approach applied to a dynamical fluidic system. The main objective is to evaluate the ability of this closed-loop control technique to control the bistability of a turbulent wake flow past to a square-back Ahmed body. This bistable behavior occurs for…

Physics of Fluids, 2019, 31 (8), pp.085103. ⟨10.1063/1.5109320⟩. ⟨hal-03341963⟩

Article dans une revue

ENOrMOUS: ENergy Optimization for MObile plateform using User needS

Ismat Chaib Draa, Smail Niar, Emmanuelle Grislin-Le Strugeon, Morteza Biglari-Abhari, Jamel Tayeb

Optimizing energy consumption in modern mobile handled devices plays a crucial role as lowering the power consumption impacts battery life and system reliability. Recent mobile platforms have an increasing number of sensors and processing components. Added to the popularity of power-hungry…

Journal of Systems Architecture, 2019, 97, pp.320-334. ⟨10.1016/j.sysarc.2018.10.004⟩. ⟨hal-01879172⟩

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⟩