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Communication dans un congrès

A Compact Conformal Printed Dipole Antenna for UAV Telemetry Applications

Zeyneb Mordi, Zahir Hamouda, Mohand Lagha, Tuami Lasri

This paper presents a compact conformal dipole antenna operating at 433 MHz, designed to replace the conventional dipole antenna of an unmanned aerial vehicle (UAV). The key innovation lies in directly printing the proposed antenna onto the UAV's tail boom, integrating the antenna seamlessly…

2025 3rd International Conference on Electronics, Energy and Measurement (IC2EM), May 2025, Algiers, Algeria. pp.1-5, ⟨10.1109/IC2EM63689.2025.11100740⟩. ⟨hal-05495646⟩

Communication dans un congrès

Early Measurements of Silicon Axisymmetric MEMS Gyro

Lucas Hudeley, Raphaël Levy, Maxime Duquesnoy, Jérémy Bonhomme, Olivier Le Traon, Alain Bosseboeuf, Marc Faucher, Jérôme Juillard, Benjamin Walter

This paper presents preliminary results of a new silicon MEMS gyro. This MEMS Coriolis Vibratory Gyroscope (CVG) is based on link elements with counterweight that balance the proof mass momentum assuring its insulation from the environment. We demonstrated high quality factor up to 100 000 for a…

2025 IEEE International Symposium on Inertial Sensors and Systems (INERTIAL), May 2025, Lindau, Germany. pp.1-4, ⟨10.1109/INERTIAL63280.2025.11037183⟩. ⟨hal-05166627⟩

Communication dans un congrès

Multi-Layered Metamaterial Based Broadband Circuit Analog Microwave Absorber Using Graphene/Carbon Conductive Paste

Sahil Thakur, Sachin Tyagi, Kamel Haddadi

A lightweight broadband microwave absorbers based on metamaterials is designed and fabricated in this work. The metamaterial absorber is composed of periodic unit cells having a multilayer structure. A conductive Graphene/Carbon based hybrid paste is used as top design layer that is printed on the…

2025 Photonics & Electromagnetics Research Symposium - Spring (PIERS-Spring), May 2025, Abu Dhabi, United Arab Emirates. pp.1-6, ⟨10.1109/PIERS-Spring66516.2025.11276235⟩. ⟨hal-05572931⟩

Communication dans un congrès

Demonstration of reservoir computing in a double-drum resonator through sideband pumping approach

T Farah, P Laly, B Djafari-Rouhani, Yan Pennec, X Zhou

Reservoir computing (RC) is a computational paradigm inspired by the process of information transfer between neurons in the brain. Recently, physical reservoir computing based on the nonlinear dynamics of a system has been studied in many areas of physics. Within these systems,…

Frontiers of Nanomechanical Systems 2025, NTT, May 2025, Atsugi, Kanagawa, Japan. ⟨hal-05201245⟩

Article dans une revue

Hybridising photovoltaics and thermoelectrics: A detailed-balance analysis

Alexis Vossier, Etienne Blandre, Rodolphe Vaillon

The combination of photovoltaic and thermoelectric converters could potentially lead to an improvement in the efficiency with which solar energy is converted into electricity, thanks to the improved exploitation of the residual heat generated in the PV cells. Using the detailed balance formalism,…

Solar Energy Materials and Solar Cells, 2025, 289, pp.113636. ⟨10.1016/j.solmat.2025.113636⟩. ⟨hal-05065902⟩

Article dans une revue

Sparse guided wave imaging in highly anisotropic plates with phase skewing and amplitude focusing compensation

Pierre Goislot, Guillemette Ribay, Emmanuel Moulin, Lynda Chehami

This paper introduces a sparse beamforming algorithm designed to compensate for guided wave dispersion while addressing phase skewing and energy focusing in highly anisotropic composite plates. Developed for structural health monitoring, this algorithm targets impact-induced defects, such as barely…

Journal of the Acoustical Society of America, 2025, 157 (5), pp.3390-3401. ⟨10.1121/10.0036595⟩. ⟨hal-05081688⟩

Article dans une revue

Topological phase transitions of non-Hermitian periodic and disordered elastic systems

Runcheng Cai, Yabin Jin, Yan Pennec, Timon Rabczuk, Xiaoying Zhuang, Bahram Djafari-Rouhani

Topological states have been extensively explored across diverse wave systems in recent decades. However, most research has focused on the periodic and Hermitian systems, while the roles of non-Hermiticity and disorder in topological properties need to be further explored, especially for two-…

International Journal of Mechanical Sciences, 2025, 294, pp.110241. ⟨10.1016/j.ijmecsci.2025.110241⟩. ⟨hal-05063388⟩

Article dans une revue

Effects of La2O3 on structure and mechanical properties of sodium borosilicate glass

Meriem Ben Zennou, Ahmed Bachar, Meriem Chrifi Alaoui, Frédéric Jenot, Rachid Amrousse, Aurélien Canizares, Yann Vaills, Stuart Hampshire, Mohamed Rguiti, Assia Mabrouk

To develop rare-earth-doped borosilicate glasses with enhanced mechanical properties, lanthanum sodium borosilicate glasses were successfully synthesized using a fusion method. The glass composition was (mol.%): 55SiO2 - 25B2O3 – (20-x)Na2O - xLa2O3 (x = 1, 2, 3, 4, and 5). The primary aim was to…

Ceramics International, 2025, ⟨10.1016/j.ceramint.2025.05.337⟩. ⟨hal-05148570⟩

Article dans une revue

Electrocatalytic upcycling of polyethylene terephthalate to formic acid and hydrogen fuels using CoCuO /MXene catalyst

Zhi-Ran Yu, Meng-Xin Ji, Zhao-Hui Zhang, Yi Zhang, Alexandre Barras, Ahmed Addad, Long-Cheng Tang, Yu-Hua Chi, Pascal Roussel, Sabine Szunerits, Rabah Boukherroub

A promising way to address environmental problems caused by plastic waste is through its upcycling into renewable energy and resources. With annual production reaching millions of tons, one of the most widely single-use daily plastics, polyethylene terephthalate (PET), has recently been…

Journal of Energy Chemistry, 2025, 104, pp.91-100. ⟨10.1016/j.jechem.2024.12.015⟩. ⟨hal-04942858⟩

Article dans une revue

Cancer classification through the selection of genes extracted from microarray data

Mohammed Maiza, Samira Chouraqui, Chahira Cherif, Abdelmalik Taleb-Ahmed

In this work we propose to compare tree methods for feature selection in the binary classification context. We focus on the case where the number of variables is very large and much more important than the sample size, as is the case in most microarray data. Four classification algorithms were…

Przeglad Elektrotechniczny , 2025, 1 (4), pp.73-80. ⟨10.15199/48.2025.04.14⟩. ⟨hal-05100611⟩