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Affichage de 1841 à 1850 sur 2043

  • Article dans une revue

ANALYSE MULTI FRACTALE DES ÉCHOS RADAR PAR LA MÉTHODE DES MAXIMUMS DES MODULES DE LA TRANSFORMÉE EN ONDELETTE (MMTO) 2D POUR LES SITES DE BORDEAUX (FRANCE), SÉTIF (ALGÉRIE) : APPLICATION À L'ÉLIMINATION DES ÉCHOS PARASITES

Mohamed Khider, Boualem Haddad, Abdelmalik Taleb-Ahmed

Dans le présent travail, l'approche MMTO-2d est appliquée pour l'analyse multi fractale des échos radar et l'identification des échos parasites en provenance de la surface terrestre. Pour ce faire, nous avons considéré des images radar prises dans deux régions où prévalent des…, In this work, the 2D-WTMM multifractal approach was applied to analysis the radar echoes, and to identify the unwanted echoes coming from terrestrial surface. With this intention, we considered radar images taken from two areas where different climates and relief prevail. We showed that almost…

Teledetection, 2010, 8 (4), pp.271-283. ⟨hal-00560112⟩

  • Article dans une revue

A tabu search with an oscillation strategy for the discriminant analysis problem

Arnaud Fréville, Said Hanafi, Frédéric Semet, Nicola Yanev

This article proposes a tabu search approach to solve a mathematical programming formulation of the linear classification problem, which consists of determining an hyperplane that separates two groups of points as well as possible in ℜm. The tabu search approach proposed is based on a non-standard…

Computers and Operations Research, 2010, 37 (10), pp.1688-1696. ⟨10.1016/j.cor.2009.11.016⟩. ⟨hal-00832042⟩

  • Article dans une revue

A fuzzy multi-criteria evaluation method for designing fashion oriented industrial products

X. Zeng, Y. Zhu, L. Koehl, M. Camargo, C. Fonteix, Franck Delmotte

In this paper, we present a fuzzy multi-criteria decision making method for evaluating a set of fashion oriented industrial products in order to design new products meeting specific market requirements. Human perceptions at two levels (basic product perception and complex fashion perception),…

Soft Computing, 2010, 14 ((12)), pp. 1277-1285. ⟨10.1007/s00500-009-0496-z⟩. ⟨hal-00609615⟩

  • Article dans une revue

Exploitation de la technologie RFID associée à une table interactive avec objets tangibles et traçables, Application a la gestion de trafic routier

Sébastien Kubicki, Yoann Lebrun, Sophie Lepreux, Emmanuel Adam, Christophe Kolski, René Mandiau

Le présent article se focalise sur une nouvelle plate-forme d'interaction utilisant la technologie RFID. Après une présentation de la technologie RFID elle-même (principe de fonctionnement et caractéristiques des différentes étiquettes RFID), l'article propose quelques exemples d'…

Génie logiciel : le magazine de l'ingénierie du logiciel et des systèmes, 2009, 91, pp.41-45. ⟨hal-00864313⟩

  • Article dans une revue

Motion planning for cooperative unicycle-type mobile robots with limited sensing ranges: A distributed receding horizon approach

Michael Defoort, Thierry Floquet, Annemarie Kökösy, Wilfrid Perruquetti

This paper presents a decentralized motion planner for a formation of autonomous mobile robots evolving in an unknown environment with obstacles. The motion planning scheme consists of decentralized receding horizon planners that reside on each vehicle to achieve coordination among formation agents…

Robotics and Autonomous Systems, 2009, 57 (11), pp.1094-1106. ⟨10.1016/j.robot.2009.07.004⟩. ⟨hal-00519825⟩

  • Article dans une revue

Roughness characteristic length scales of belt finished surface

Maxence Bigerelle, A. Gautier, B. Hagege, Jérôme Favergeon, B. Bounichane

Surface integrity, dynamic properties and mechanical characteristics of belt finished surfaces strongly depend on the achieved surface roughness produced by the abrasion process. A new approach based on the scaling analysis of the roughness characterization is introduced on a surface obtained by a…

Journal of Materials Processing Technology, 2009, 209 (20), pp.6103 - 6116. ⟨10.1016/j.jmatprotec.2009.04.013⟩. ⟨hal-01911367⟩

  • Article dans une revue

A membership-function-dependent approach for stability analysis and controller synthesis of Takagi-Sugeno models

Miguel Bernal, Thierry-Marie Guerra, Alexandre Kruszewski

This paper presents a new approach for stability analysis and controller design of Takagi–Sugeno (TS) models. The analysis considers information derived from existing or induced order relations among the membership functions. Partitioning of the state-space and the use of piecewise Lyapunov…

Fuzzy Sets and Systems, 2009, 160 (19), pp.2776-2795. ⟨10.1016/j.fss.2009.02.005⟩. ⟨hal-00519421⟩

  • Article dans une revue

A Triangulation Approach to Asymptotically Exact Conditions for Fuzzy Summations

Alexandre Kruszewski, Antonio Sala, Thierry-Marie Guerra, Carlos Ariño

Many Takagi–Sugeno (T--S) fuzzy control-synthesis problems in the literature are expressed as the problem of finding decision variables in a double convex sum (fuzzy summation) of positive definite matrices. Matrices’ coefficients in the summation take values in the standard simplex. This paper…

IEEE Transactions on Fuzzy Systems, 2009, 17 (5), pp.985-994. ⟨10.1109/TFUZZ.2009.2019124⟩. ⟨hal-00519415⟩

  • Article dans une revue

Measurements of brake disc surface temperature and emissivity by two-color pyrometry

Thevenet Jean, Siroux Monica, Bernard Desmet

A fiber optic two-color pyrometer was developed for brake disc surface temperature and emissivity measurements. The two-color pyrometer consists of a fluoride glass optical fiber, two HgCdTe detectors equipped with bandwidth filters and a data conditioning and acquisition device. The two-color…

Applied Thermal Engineering, 2009, 30 (6-7), pp.753. ⟨10.1016/j.applthermaleng.2009.12.005⟩. ⟨hal-00579485⟩

  • Article dans une revue

Fuel-Cell Hybrid Powertrain: Toward Minimization of Hydrogen Consumption

J. Bernard, Sebastien Delprat, F.N. Buchi, Thierry-Marie Guerra

In this paper, the powertrain sizing of a fuel-cell hybrid vehicle (FCHV) is investigated. The goal is to determine the fuel-cell system (FCS) size, together with the energy storage system (ESS) size, which leads to the lowest hydrogen consumption. The power source (FCS + ESS) capabilities should…

IEEE Transactions on Vehicular Technology, 2009, 58 (7), pp.3168-3176. ⟨10.1109/TVT.2009.2014684⟩. ⟨hal-02446436⟩