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Affichage de 1531 à 1540 sur 5567

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

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

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

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

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

The single-processor scheduling problem with time restrictions: complexity and related problems

Rachid Benmansour, Oliver Braun, Said Hanafi

We consider the single-processor scheduling problem with time restrictions (STR) in order to minimize the makespan, where a set of independent jobs has to be processed on a single processor, subject only to the following constraint: During any time period of length α, the number of jobs being…

Journal of Scheduling, 2019, 22 (4), pp.465-471. ⟨10.1007/s10951-018-0579-8⟩. ⟨hal-03574467⟩

Article dans une revue

A heterogeneous multi-core based biomedical application processing system and programming toolkit

Tassadaq Hussain, Amna Haider, Abdelmalik Taleb-Ahmed

Due to the growth of biological databases and biomedical instruments, the high performance active (real-time) signal processing becomes a challenge for medical scientists and engineers. The medical applications require a high-performance signal processor which can process the scientific and…

Journal of Signal Processing Systems, 2019, 91 (8), pp.963-978. ⟨10.1007/s11265-018-1437-9⟩. ⟨hal-03138041⟩

Article dans une revue

Repairnator patches programs automatically

Martin Monperrus, Simon Urli, Thomas Durieux, Matias Martinez, Benoit Baudry, Lionel Seinturier

Repairnator is a bot. It constantly monitors software bugs discovered during continuous integration of open-source software and tries to fix them automatically. If it succeeds in synthesizing a valid patch, Repairnator proposes the patch to the human developers, disguised under a fake human…

Ubiquity, 2019, July (2), pp.1-12. ⟨10.1145/3349589⟩. ⟨hal-02267512⟩

Communication dans un congrès

CFD Simulations of the Rheological Behavior of Aqueous Foam Flow Through a Half-Sudden Expansion

Heni Dallagi, Ahmad Al Saabi, Christine Faille, Thierry Benezech, Wolfgang Augustin, Fethi Aloui

Aqueous foam is a non-Newtonian complex fluid. Its flow through the singularities presents many fundamental aspects. The rheological character of the foams flowing in this kind of geometries can create important disturbance on its behavior, according to the flow rate set and therefore a…

ASME-JSME-KSME 2019 8th Joint Fluids Engineering Conference, Jul 2019, San Francisco, CA, United States. ⟨10.1115/ajkfluids2019-4650⟩. ⟨hal-03125278⟩