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Affichage de 751 à 760 sur 1985

Article dans une revue

Whale optimization algorithm based optimal reactive power dispatch: A case study of the Algerian power system

Khaled Ben Oualid Medani, Samir Sayah, Abdelghani Bekrar

Optimal reactive power dispatch (ORPD) is a particular case of the optimal power flow. ORPD was usually considered as the minimization of an objective function representing the total active power losses in the electrical networks. The constraints involved are the generator voltages, tap regulating…

Electric Power Systems Research, 2018, 163, pp.696-705. ⟨10.1016/j.epsr.2017.09.001⟩. ⟨hal-03654998⟩

Article dans une revue

Power optimization techniques for associative processors

Hasan Erdem Yantir, Ahmed Eltawil, Smail Niar, Fadi Kurdahi

The toughness and complexity of the computational problems which human beings tackle rise faster than the computational platforms themselves. Moreover, the dark silicon era negatively effects the traditional computational platforms and contributes unfavorably to this gap. These situations require…

Journal of Systems Architecture, 2018, 90, pp.44-53. ⟨10.1016/j.sysarc.2018.08.006⟩. ⟨hal-03400547⟩

Article dans une revue

Helping older pedestrians navigate unknown environments through vibrotactile guidance instructions

Stéphanie Coeugnet, Aurélie Dommes, Sabrina Paneels, Fabrice Vienne, Nguyen-Thong Dang, Margarita Anastassova, Laure Léger, Aline Chevalier

Many studies have consistently found evidence of aging-related navigation difficulties that lead to disorientation behaviors and/or reduced travel. Despite technological advances, older pedestrians mainly use paper maps to find their way in unknown environments while they have a lot of difficulties…

Transportation Research Part F: Traffic Psychology and Behaviour, 2018, 58 (3), pp.816 - 830. ⟨10.1016/j.trf.2018.07.017⟩. ⟨hal-01937974⟩

Article dans une revue

Speech enhancement using Rao–Blackwellized particle filtering of complex DFT coefficients

Mounir Meddah, Abderrahmane Amrouche, Abdelmalik Taleb-Ahmed

An improved method for speech enhancement, which is based on particle filtering, is presented in this paper. The Rao–Blackwellized particle filter (RBPF) is used to estimate the model parameters and recover a clean speech signal. The proposed method (named DFT-RBPF) enhances the complex discrete…

Computers and Electrical Engineering, 2018, 71, pp.847-861. ⟨10.1016/j.compeleceng.2017.07.024⟩. ⟨hal-03428142⟩

Article dans une revue

Plausible extension of Anand's model to metals exhibiting dynamic recrystallization and its experimental validation

Eli Saúl Puchi-Cabrera, Jean-Dominique Guerin, José Gregorio La Barbera-Sosa, Mirentxu Dubar, Laurent Dubar

Modeling and optimization of industrial hot-working operations by means of commercial finite element computer codes require robust constitutive descriptions, which could be easily implemented. Also, it is expected that such formulations are able to describe as accurate as possible the flow stress,…

International Journal of Plasticity, 2018, 108, pp.70-87. ⟨10.1016/j.ijplas.2018.04.013⟩. ⟨hal-03461730⟩

Article dans une revue

Multidisciplinary engineering to solve the problem of congestioning in vehicular systems

Jorge Armando Rojas Ramirez, Damien Trentesaux

1913/5000 The pretension to develop an engineering project to solve circulation problems in large cities with the guidance of advanced technologies has led to the observation of several additional factors that affect the overall performance of the system. The most relevant are the polluting…

DYNA : Ingenieria e Industria, 2018, 93, pp.471. ⟨10.6036/8915⟩. ⟨hal-03426883⟩

Article dans une revue

Curvotaxis directs cell migration through cell-scale curvature landscapes

Laurent Pieuchot, Julie Marteau, Alain Guignandon, Thomas dos Santos, Isabelle Brigaud, Pierre-Francois Chauvy, Thomas Cloatre, Arnaud Ponche, Tatiana Petithory, Pablo Rougerie, Maxime Vassaux, Jean-Louis Milan, Nayana Tusamda Wakhloo, Arnaud Spangenberg, Maxence Bigerelle, Karine Anselme

Cells have evolved multiple mechanisms to apprehend and adapt finely to their environment. Here we report a new cellular ability, which we term ``curvotaxis'' that enables the cells to respond to cell-scale curvature variations, a ubiquitous trait of cellular biotopes. We develop ultra-…

Nature Communications, 2018, 9, ⟨10.1038/s41467-018-06494-6⟩. ⟨hal-01960533⟩

Article dans une revue

Technological challenges and optimization efforts of the Stirling machine: A review

Houda Hachem, Ramla Gheith, Fethi Aloui, Sassi Ben Nasrallah

The Stirling engines are being carried out worldwide, used for divers’ application such as solar generator, micro cogeneration and cryogenic uses. The present paper is an over view of Stirling technologies researches. Several possibilities of resolving technical challenges encountered when…

Energy Conversion and Management, 2018, 171, pp.1365-1387. ⟨10.1016/j.enconman.2018.06.042⟩. ⟨hal-03449932⟩

Article dans une revue

Etat de l'art sur les systèmes d'aide à la communication envisageables pour des utilisateurs de profil IMC athétosique, State of art of possible communication support systems for users with athetoid cerebral palsy

Yohan Guerrier, Christophe Kolski, Franck Poirier

Cet article propose un état de l'art des systèmes d'aide à la communication utilisables par des utilisateurs de profil Infirme Moteur Cérébral (IMC) athétosique. De nos jours, de nombreuses aides à la communication sont proposées sur le marché et/ou présentées dans la littérature. Ces…, This article proposes a state-of-the-art on communication support systems that can be used by users with Athetoid Cerebral Palsy. Today, many communication support systems are available on the market and/or presented in the literature.They include (1) virtual keyboards, (2) software using…

Journal d'Interaction Personne-Système, 2018, Volume 6, Number 1 (1), pp.1-45. ⟨10.46298/jips.2662⟩. ⟨hal-01433734v3⟩

Article dans une revue

On the modeling of a visco-hyperelastic polymer gel under blunt ballistic impacts

Anthony Bracq, Grégory Haugou, Benjamin Bourel, Christophe Maréchal, Franck Lauro, Sébastien Roth, Olivier Mauzac

In this paper, the modeling of a polymer gel used as target medium in blunt ballistic experiments is presented. A new visco-hyperelastic law based on the Mooney–Rivlin model is proposed and implemented in a numerical simulation software. The material model identification relies on mechanical…

International Journal of Impact Engineering, 2018, 118, pp.78-90. ⟨10.1016/j.ijimpeng.2018.04.001⟩. ⟨hal-03451027⟩