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Your search keyword '"Daniel Medale"' showing total 3 results
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3 results on '"Daniel Medale"'

1. Algorithm and Design Methodology to Develop a PIFA with Optimized Reflection Coefficient for the ISM 868 MHz Band

Author

Bouchta Hajjine, Christophe Escriba, Daniel Medale, Jean-Yves Fourniols, Équipe Instrumentation embarquée et systèmes de surveillance intelligents (LAAS-S4M), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées, Service Instrumentation Conception Caractérisation (LAAS-I2C), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA), Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT), and Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)

Subjects
Engineering, Design, business.industry, 020208 electrical & electronic engineering, Integration, 020206 networking & telecommunications, 02 engineering and technology, PIFA, [SPI.TRON]Engineering Sciences [physics]/Electronics, Algorithm, Inverted-F antenna, Meandered Antenna, Reflection Coefficient, [SDV.SA.STA]Life Sciences [q-bio]/Agricultural sciences/Sciences and technics of agriculture, 0202 electrical engineering, electronic engineering, information engineering, Electronic engineering, Reflection coefficient, Design methods, business, [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing, ISM, Ground plane
Abstract

International audience; This paper presents a methodological approach to design a printed Inverted F antenna for the ISM 868 MHz band. For this design, the ground plane dimensions were kept fixed and the meandered radiating arm was modified to obtain the best compromise integration/performances. This approach was then generalized to design meandered printed inverted F antennas.

Published
2016
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2. Design, Integration and Characterization of a Tracking Patch: Application to Elderly Monitoring

Author

Christophe Escriba, Daniel Medale, Bouchta Hajjine, Jean-Yves Fourniols, Équipe Instrumentation embarquée et systèmes de surveillance intelligents (LAAS-S4M), Laboratoire d'analyse et d'architecture des systèmes (LAAS), Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT)-Université de Toulouse (UT)-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT)-Institut National des Sciences Appliquées (INSA)-Université Toulouse - Jean Jaurès (UT2J), Université de Toulouse (UT)-Université Toulouse III - Paul Sabatier (UT3), Université de Toulouse (UT)-Centre National de la Recherche Scientifique (CNRS)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université de Toulouse (UT)-Université Toulouse Capitole (UT Capitole), Université de Toulouse (UT), Service Instrumentation Conception Caractérisation (LAAS-I2C), Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Université de Toulouse (UT), Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées-Université Fédérale Toulouse Midi-Pyrénées-Centre National de la Recherche Scientifique (CNRS)-Université Toulouse III - Paul Sabatier (UT3), Université Fédérale Toulouse Midi-Pyrénées-Institut National des Sciences Appliquées - Toulouse (INSA Toulouse), Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-Institut National Polytechnique (Toulouse) (Toulouse INP), Université Fédérale Toulouse Midi-Pyrénées-Université Toulouse - Jean Jaurès (UT2J)-Université Toulouse 1 Capitole (UT1), Université Fédérale Toulouse Midi-Pyrénées, and Institut National des Sciences Appliquées (INSA)

Subjects
Fugue, Engineering, Research program, Service (systems architecture), 010504 meteorology & atmospheric sciences, Monitoring, Compromise, media_common.quotation_subject, Population, Integration, Context (language use), 02 engineering and technology, Design integration, Computer security, computer.software_genre, 01 natural sciences, Human–computer interaction, 0202 electrical engineering, electronic engineering, information engineering, education, 0105 earth and related environmental sciences, media_common, education.field_of_study, business.industry, Tracking, 020206 networking & telecommunications, [SPI.TRON]Engineering Sciences [physics]/Electronics, Geolocation, Falls, Tracking (education), business, Patch, Alarm, computer, [SPI.SIGNAL]Engineering Sciences [physics]/Signal and Image processing
Abstract

International audience; According to the latest studies, the French population witnesses a high level of elderly. It follows from this phenomenon health troubles, fragility, and for some people suffering from cognitive problems, a daily need of monitoring and tracking in the fugues cases. It is in this context that comes our research program SACHA (Search and Computerize Human Acts). Our ambition is to develop an electronic patch able to trigger alarms, detect falls and provide geolocation service. Our studies were focused on the conception and the integration of different antennas and functionalities of this system in aim to ensure a good compromise “integration/performances”. Several prototypes have been tested and validated in a nursing home.

Published
2016
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3. System-on-Chip Integration of a New Electromechanical Impedance Calculation Method for Aircraft Structure Health Monitoring

Author

Jean-Yves Fourniols, Sebastien Rolet, Daniel Medale, Sabeha Zedek, Christophe Escriba, and Hamza Boukabache

Subjects
structural health monitoring (SHM), Computer science, Electromechanical impedance, delaminations, lcsh:Chemical technology, Biochemistry, Article, Analytical Chemistry, Reliability (semiconductor), composite aircraft structures, electro-mechanical impedance (EMI), PZT sensors, System-on-Chip (SoC), Electronic engineering, System on a chip, lcsh:TP1-1185, Electronics, Electrical and Electronic Engineering, Instrumentation, Electrical impedance, Flexibility (engineering), business.industry, Delamination, Electrical engineering, Piezoelectricity, Atomic and Molecular Physics, and Optics, Signature (logic), Structural health monitoring, business
Abstract

The work reported on this paper describes a new methodology implementation for active structural health monitoring of recent aircraft parts made from carbon-fiber-reinforced polymer. This diagnosis is based on a new embedded method that is capable of measuring the local high frequency impedance spectrum of the structure through the calculation of the electro-mechanical impedance of a piezoelectric patch pasted non-permanently onto its surface. This paper involves both the laboratory based E/M impedance method development, its implementation into a CPU with limited resources as well as a comparison with experimental testing data needed to demonstrate the feasibility of flaw detection on composite materials and answer the question of the method reliability. The different development steps are presented and the integration issues are discussed. Furthermore, we present the unique advantages that the reconfigurable electronics through System-on-Chip (SoC) technology brings to the system scaling and flexibility. At the end of this article, we demonstrate the capability of a basic network of sensors mounted onto a real composite aircraft part specimen to capture its local impedance spectrum signature and to diagnosis different delamination sizes using a comparison with a baseline.

Published
2012

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