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29 results on '"Kone, Lamine"'

2. Extension of the 'Equivalent Cable Bundle Method' for modeling electromagnetic emissions of complex cable bundles

Author

Andrieu, Guillaume, Reineix, Alain, Bunion, Xavier, Parmantier, Jean-Philippe, Kone, Lamine, and Demoulin, Bernard

Subjects
Electrical cables -- Magnetic properties, Electric waves -- Models, Electromagnetic radiation -- Models, Electromagnetic waves -- Models, Numerical analysis -- Reports, Business, Computers, Electronics, Electronics and electrical industries
Abstract

This paper presents an extension of the so-called 'Equivalent Cable Bundle Method' for the computation over a large frequency range of the electromagnetic radiation of complex cable bundles. The purpose of the method is to reduce the complexity of the problem by grouping together the conductors according to their terminal load configuration and their excitation to reduce the required computation time for the complete cable bundle modeling. As far as the use of the method on emission problems is concerned, a new five-step procedure is established to define the electrical and geometrical characteristics of the reduced cable bundles. After the description of the adjustments required for the application of the method to emitting cases, some numerical and experimental validations performed on simple cable bundles illustrate the efficiency and the advantages of the method. The research described in this paper is considered as a new step in the study of the modeling of complex cable bundles at 'high frequencies.' Index Terms--Cable bundle, electromagnetic emission, electromagnetic topology, numerical modeling.

Published
2009

3. Multiconductor reduction technique for modeling common-mode currents on cable bundles at high frequency for automotive applications

Author

Andrieu, Guillaume, Kone, Lamine, Bocquet, Frederic, Demoulin, Bernard, and Parmantier, Jean-Philippe

Subjects
Electric waves -- Properties, Electromagnetic radiation -- Properties, Electromagnetic waves -- Properties, Electrical cables -- Properties, Motor vehicles -- Equipment and supplies, Motor vehicles -- Research, Business, Computers, Electronics, Electronics and electrical industries
Abstract

This paper presents the fundamentals of the so-called 'Equivalent Cable Bundle Method' for the calculation over a large frequency range of common-mode currents induced on cable bundles by an electromagnetic (EM) perturbation. In particular, the method aims at overcoming the limitation of the multiconductor transmission line theory (MTLN), which is based on the propagation of the quasi-transverse EM (TEM) mode and efficiently used only at 'low frequencies.' The purpose of the method described here is to reduce the computation time by reducing the complexity of the cable bundle models. After a short presentation of the 'high frequency' coupling problem, first, the theoretical basis of the method, and, second, the numerical and experimental validations performed on prototypal cable bundles, in order to illustrate the efficiency and the advantages of the method, are presented. The method described in this paper is considered as a required first step in order to prepare wider applications on real systems in the near future. Index Terms--Cable bundle, cable harness, electromagnetic topology, numerical modeling.

Published
2008

6. Development of a Dual-band Printed Antenna Based on a Nanocomposite Material made of Polyaniline charged by Iron-Nickel Nanopowder

Author

Hamouda, Z., Wojkiewicz, J.-L., Pud, A.A., Kone, Lamine, Bergheul, S., Lasri, T., Ecole nationale supérieure Mines-Télécom Lille Douai (IMT Nord Europe), Institut Mines-Télécom [Paris] (IMT), Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Microtechnology and Instrumentation for Thermal and Electromagnetic Characterization - IEMN (MITEC - IEMN), and Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)

Subjects
Dual-band antenna, [SPI]Engineering Sciences [physics], Nanocomposite, Flexible antenna, Polyaniline, Iron-Nickel nanopowder, Conductive materials
Abstract

International audience; One of the major challenges of printed electronics is to develop materials for flexible devices. Among these latter, antennas occupy a place of choice because of the new applications which are emerging. In this paper a flexible antenna based on a new nanocomposite, Polyaniline (PANI) charged by nanopowder of Iron-Nickel (Fe-Ni), operating in dual-band ([2.4-2.48] and [5.15-5.825] GHz) is proposed. This antenna, triangular/circular shaped with a coplanar waveguide (CPW) feeder to achieve wideband performance is printed on a 130μm thick Kapton® substrate. The nanocomposite fabricated (PANI/Fe-Ni), whose morphology was studied via scanning electron microscopy, has a conductivity of 9600 S/m. The performance of the antenna is analyzed through simulations and measurements which demonstrate a good agreement between each other. A maximum gain of 2.8 dBi for a 90μm thick nanocomposite is obtained. © 2019 European Association on Antennas and Propagation.

Published
2019

7. A Multi-Band Body-Worn Distributed Exposure Meter for Personal Radio-Frequency Dosimetry in Diffuse Indoor Environments

Author

Aminzadeh, Reza, primary, Thielens, Arno, additional, Gaillot, Davy Paul, additional, Lienard, Martine, additional, Kone, Lamine, additional, Agneessens, Sam, additional, Van Torre, Patrick, additional, Van den Bossche, Matthias, additional, Verloock, Leen, additional, Dongus, Stefan, additional, Eeftens, Marloes, additional, Huss, Anke, additional, Vermeulen, Roel, additional, de Seze, Rene, additional, Cardis, Elisabeth, additional, Rogier, Hendrik, additional, Roosli, Martin, additional, Martens, Luc, additional, and Joseph, Wout, additional

Published
2019
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10. Estimation du champ électrique dans une CRBM à partir de la puissance moyenne mesurée par un monopole

Author

Ibrahim Igueh, A., Kone, Lamine, Baranowski, S., Ibrahim Idriss, Abdoulkader, Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), COMmunications NUMériques - IEMN (COMNUM - IEMN), Institut d’Électronique, de Microélectronique et de Nanotechnologie - Département Opto-Acousto-Électronique - UMR 8520 (IEMN-DOAE), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Plateforme de Caractérisation Multi-Physiques - IEMN (PCMP - IEMN), Centrale Lille-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-JUNIA (JUNIA), Université catholique de Lille (UCL)-Université catholique de Lille (UCL)-Centrale Lille-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-JUNIA (JUNIA), and Université catholique de Lille (UCL)-Université catholique de Lille (UCL)

Subjects
[SPI]Engineering Sciences [physics], [INFO]Computer Science [cs]
Published
2016

11. Visualisation optique directe de phénomènes de propagation en chambre réverbérante à brassage de mode

Author

Rioult, Jean, Heddebaut, Marc, Deniau, Virginie, KONE, Lamine, COPIN, Grégoire, Laboratoire Électronique Ondes et Signaux pour les Transports (IFSTTAR/COSYS/LEOST), Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)-PRES Université Lille Nord de France, Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Luxondes, and parent

Subjects
CHAMBRE REVERBERANTE A BRASSAGE DE MODE, ELECTROMAGNETISME, [SPI.ELEC]Engineering Sciences [physics]/Electromagnetism, CRBM, VISUALISATION, PROPAGATION DES ONDES, CHAMBRE REVERBERANTE, ONDE ELECTROMAGNETIQUE, CARTOGRAPHIE
Abstract

18ème Colloque International et Exposition sur la Compatibilité ÉlectroM agnétique (CEM 2016), Rennes, France, 11-/07/2016 - 13/07/2016; Une méthode permettant la visualisation directe de phénomènes de propagation dans une CRBM est proposée. Cette méthode exploite une rampe fixe de capteurs électro optiques mis en fonctionnement dans une CRBM et obserÎs continument lors de balayages en fréquence ou de rotations du brasseur de modes. Chacun de ces capteurs effectue une conversion directe entre la puissance reçue par une antenne électrique élémentaire équipant ce capteur et une énergie lumineuse émise depuis ce capteur dont la couleur varie en relation directe avec la puissance reçue par l'antenne. Une présentation de la méthode est effectuée puis sa mise en oeuvre en CRBM et son calibrage sont exposés. Des résultats expérimentaux visualisant directement l'évolution des caractéristiques de modes de résonance en fonction de la fréquence ou de la charge absorbante apportée dans la chambre ou encore de l'indépendance des mesures en fonction de la position du brasseur sont fournis.

Published
2016

12. Etude statistique du champ électromagnétique au voisinage des parois d’une CRBM

Author

Ibrahim, Abdourachid, Baranowski, S., Kone, Lamine, Idriss, A.I., Université de Djibouti, Institut d’Électronique, de Microélectronique et de Nanotechnologie - Département Opto-Acousto-Électronique - UMR 8520 (IEMN-DOAE), Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), COMmunications NUMériques - IEMN (COMNUM - IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), and Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)

Subjects
[INFO.INFO-NI]Computer Science [cs]/Networking and Internet Architecture [cs.NI], [SPI]Engineering Sciences [physics], [INFO]Computer Science [cs], [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, ComputingMilieux_MISCELLANEOUS, [INFO.INFO-AI]Computer Science [cs]/Artificial Intelligence [cs.AI], [SPI.TRON]Engineering Sciences [physics]/Electronics
Abstract

International audience

Published
2016

13. On-body calibration and measurements using personal radiofrequency exposimeters in indoor diffuse and specular environments

Author

Aminzadeh, Reza, Thielens, Arno, Bamba, Aliou, KONE, Lamine, Gaillot, Davy Paul, Lienard, M., Martens, Luc, Joseph, Wout, Universiteit Gent = Ghent University [Belgium] (UGENT), Commissariat à l'énergie atomique et aux énergies alternatives - Laboratoire d'Electronique et de Technologie de l'Information (CEA-LETI), Direction de Recherche Technologique (CEA) (DRT (CEA)), Commissariat à l'énergie atomique et aux énergies alternatives (CEA)-Commissariat à l'énergie atomique et aux énergies alternatives (CEA), Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Télécommunication, Interférences et Compatibilité Electromagnétique (IEMN-TELICE), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)-Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Department of Information Technology, Universiteit Gent = Ghent University [Belgium] (UGENT)-iminds, Universiteit Gent = Ghent University (UGENT), and Télécommunication, Interférences et Compatibilité Electromagnétique - IEMN (TELICE - IEMN)

Subjects
electromagnetic fields, [SPI]Engineering Sciences [physics], Technology and Engineering, personal exposimeters, ABSORPTION, ELECTROMAGNETICS, human exposure, EXPOSURE, diffuse fields, indoor environment, DOSIMETRY, ComputingMilieux_MISCELLANEOUS, SIMULATIONS
Abstract

International audience; For the first time, response of personal exposimeters (PEMs) is studied under diffuse field exposure in indoor environments. To this aim, both numerical simulations, using finite-difference time-domain method, and calibration measurements were performed in the range of 880–5875 MHz covering 10 frequency bands in Belgium. Two PEMs were mounted on the body of a human male subject and calibrated on-body in an anechoic chamber (non-diffuse) and a reverberation chamber (RC) (diffuse fields). This was motivated by the fact that electromagnetic waves in indoor environments have both specular and diffuse components. Both calibrations show that PEMs underestimate actual incident electromagnetic fields. This can be compensated by using an on-body response. Moreover, it is shown that these responses are different in anechoic chamber and RC. Therefore, it is advised to use an on-body calibration in an RC in future indoor PEM measurements where diffuse fields are present. Using the response averaged over two PEMs reduced measurement uncertainty compared to single PEMs. Following the calibration, measurements in a realistic indoor environment were done for wireless fidelity (WiFi-5G) band. Measured power density values are maximally 8.9 mW/m2 and 165.8 μW/m2 on average. These satisfy reference levels issued by the International Commission on Non-Ionizing Radiation Protection in 1998. Power density values obtained by applying on-body calibration in RC are higher than values obtained from no body calibration (only PEMs) and on-body calibration in anechoic room, by factors of 7.55 and 2.21, respectively. Bioelectromagnetics. 37:298–309, 2016

Published
2016

14. Comparison of Test Methods for the Characterization of Shielding of Board-to-Backplane and Board-to-Cable Connectors

Author

Martens, Luc, Madou, An, Kone, Lamine, Demoulin, Bernard, Sjoberg, Per, Anton, Alexandru, Van Koetsem, Jan, Hoffmann, H., and Schricker U.

Subjects
Shielding (Electricity) -- Testing, Telecommunication systems -- Equipment and supplies, Business, Computers, Electronics, Electronics and electrical industries
Abstract

In this paper, we present the work carried out in the SOBITS project executed within the framework of the European Measurement and Testing program. The goal of the project was to compare different methods for characterization of the shielding performance of board-to-backplane and backplane-to-cable connectors used in telecommunication and computer systems. Four measurement methods have been selected. Dedicated test samples have been designed and developed in order to enable the measurement of the shielding characteristics of the connectors under test with all methods. Different shielding configurations were considered, in order to determine the influence of the quality of the shield. Single-ended as well as differential excitations have been considered. Among the test samples, a nonshielded version was designed for each signal/ground configurations. This sample was used as a reference. The definition of the quantities that describe the shielding performance is different for each of the measurement methods. Conversion formulas between these quantities have been formulated. They were verified by measuring a reference device that is easy to measure by all methods. Thus we were able to compare the relative shielding effectiveness of the various shielded board-to-backplane and backplane-to-cable connectors for all four measurement methods. The relative shielding effectiveness of a shielded connector was calculated with respect to the nonshielded version. We also compared the different shielding performance results obtained with each measurement method individually. Index Terms--Connectors, measurement, shielding.

Published
2000

19. Le projet Polycond : synthèse et caractérisation de polymères conducteurs pour des applications CEM

Author

Wojkiewicz, Jean-Luc, Demoulin, Bernard, Baranowski, S., Kone, Lamine, Ben Slimen, Mohamed Nedim, Carru, Jean-Claude, Gest, J., Liang, C., Leroy, G., Gest, Joel, Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF), Laboratoire Electronique, Ondes et Signaux pour les Transports (INRETS/LEOST), Institut National de Recherche sur les Transports et leur Sécurité (INRETS), Laboratoire d'Etude des Matériaux et des Composants pour l'Electronique (LEMCEL), and Université du Littoral Côte d'Opale (ULCO)

Subjects
[SPI]Engineering Sciences [physics]
Abstract

International audience

Published
2007

20. Calibrage analytique d'une sonde de type boucle magnétique pour la mesure du champ de fuite d'un connecteur blindé

Author

Bouri, Youssef, Kone, Lamine, Barlerin, Stephane, Razafiarivelo, Jean, Baranowski, S., Demoulin, Bernard, Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), and Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)

Subjects
[SPI]Engineering Sciences [physics]
Abstract

International audience

Published
2007

21. Experimental approach for electromagnetic characterization of back shell-to-cable connection

Author

Bouri, Youssef, Razafiarivelo, Jean, Kone, Lamine, Baranowski, S., Demoulin, Bernard, Institut d’Électronique, de Microélectronique et de Nanotechnologie - UMR 8520 (IEMN), and Centrale Lille-Institut supérieur de l'électronique et du numérique (ISEN)-Université de Valenciennes et du Hainaut-Cambrésis (UVHC)-Université de Lille-Centre National de la Recherche Scientifique (CNRS)-Université Polytechnique Hauts-de-France (UPHF)

Subjects
[SPI]Engineering Sciences [physics]
Abstract

International audience

Published
2007

29. On-body calibration and measurements using personal radiofrequency exposimeters in indoor diffuse and specular environments.

Author

Aminzadeh R, Thielens A, Bamba A, Kone L, Gaillot DP, Lienard M, Martens L, and Joseph W

Subjects
Calibration, Diffusion, Humans, Male, Models, Theoretical, Radiation Monitoring instrumentation, Environment, Radiation Monitoring methods, Radio Waves
Abstract

For the first time, response of personal exposimeters (PEMs) is studied under diffuse field exposure in indoor environments. To this aim, both numerical simulations, using finite-difference time-domain method, and calibration measurements were performed in the range of 880-5875 MHz covering 10 frequency bands in Belgium. Two PEMs were mounted on the body of a human male subject and calibrated on-body in an anechoic chamber (non-diffuse) and a reverberation chamber (RC) (diffuse fields). This was motivated by the fact that electromagnetic waves in indoor environments have both specular and diffuse components. Both calibrations show that PEMs underestimate actual incident electromagnetic fields. This can be compensated by using an on-body response. Moreover, it is shown that these responses are different in anechoic chamber and RC. Therefore, it is advised to use an on-body calibration in an RC in future indoor PEM measurements where diffuse fields are present. Using the response averaged over two PEMs reduced measurement uncertainty compared to single PEMs. Following the calibration, measurements in a realistic indoor environment were done for wireless fidelity (WiFi-5G) band. Measured power density values are maximally 8.9 mW/m(2) and 165.8 μW/m(2) on average. These satisfy reference levels issued by the International Commission on Non-Ionizing Radiation Protection in 1998. Power density values obtained by applying on-body calibration in RC are higher than values obtained from no body calibration (only PEMs) and on-body calibration in anechoic room, by factors of 7.55 and 2.21, respectively. Bioelectromagnetics. 37:298-309, 2016. © 2016 Wiley Periodicals, Inc., (© 2016 Wiley Periodicals, Inc.)

Published
2016
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