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Affichage des publications 191 à 200 sur 4049 au total

Electric power

Mechanical models and simulations of PEMFCs: A comprehensive review

In recent years, there has been considerable progress in developing models concerning the electrochemical, thermal, and mass transport processes of the Proton Exchange Membrane Fuel Cell (PEMFC). This advancement has resulted in numerous models…

Luca Marcelli, Dominique Chamoret, Xavier François, Yann Meyer, Denis Candusso

International Journal of Hydrogen Energy -

Electric power

Review of Multiport Energy Router Structures in the Specific Context of Wind Power Generation Systems

The recent trend of using a multiport machine as an energy router has appeared and become an attractive solution in drive-included applications like wind turbines. This paper provides a review of multiport converters and machines, their integration…

Yiyu Lai, Antoine Cizeron, Adrien Voldoire, Javier Ojeda, Olivier Béthoux

The 26th European Conference on Power Electronics and Applications -

Physics

Optimized semi-physical EKV model for simulation of SiC MOSFETs

This paper presents a detailed static characteristic model based on the EKV (Enz Krummenacher and Vittoz) model for 1200 V SiC MOSFETs in power electronic applications, with a specific focus on $I_{ds}(V_{gs})$ at different temperatures. The study…

B.D.R. Bonkoungou, R. Gwoziecki, L. Sterna, Zoubir Khatir

Microelectronics Reliability -

Structural mechanics

Analysis of local current density, temperature, and mechanical pressure distributions in an operating PEMFC under variable compression

This article investigates the impact of mechanical compression on local phenomena within an operating PEMFC with a large active area (225 cm2). It explores the distributions of current density, temperature, and mechanical pressure, building on…

El Mahdi Khetabi, Khadidja Bouziane, Xavier François, Remy Lachat, Yann Meyer, Denis Candusso

Applied Energy -

Computer Science

Low Cost Quasi Gauss-Newton Algorithm Implementation for 2D ML-DoA Estimation using a Sparse Representation of Array Covariance

Maximum Likelihood (ML) Direction-of-Arrival (DoA) estimation on the Vectorized Covariance Matrix Model (VCMM) exhibits enhanced performances. However, its implementation remains challenging as highly non-convex multidimensional optimization is…

Thomas Aussaguès, Anne Ferréol, Alice Delmer, Pascal Larzabal

EUSIPCO 2025 - 33rd European Signal Processing Conference -

Engineering Sciences

Piezoelectric transducers for deicing airplane wings

In this talk, a new method for deicing airplane wings using piezoelectric transducer will be presented. Ice accumulation on aircraft has been recognized as a major risk in aviation since the early 20th century. The piezoelectric ice protection…

Modar Jomaa, Dejan Vasic, Pierre-Etienne Lévy, François Costa, Marwan Ali

XXXIV International conference on adaptive structures and technologies, ICAST 2025 -

Electric power

Practical implementation of a Novel Temperature-Insensitive Aging Indicator for on-line monitoring of bond-wire degradation in IGBT power modules

The online assessment of the health status of power electronic modules is crucial for predictive maintenance, enabling better system reliability and optimized operational efficiency. Traditional aging indicators are often impractical for online…

Zoubir Khatir, Ali Ibrahim, Richard Lallemand

The 26th European Conference on Power Electronics and Applications -

Earth Sciences

Electrochemical detection of lead, cadmium, and mercury with selective preconcentration on ligand-modified electrodes

Detecting Metallic Trace Elements (MTEs), especially toxic ones like cadmium, lead, and mercury, remains a key research focus. While methods using aptamers, molecularly imprinted polymers (MIPs), and metal-organic frameworks (MOFs) are gaining…

Gaël Levanen, Florence Razan, Sarah Bretin, Stéphanie Betelu, Karine Michel, Florence Geneste

Journal of Electroanalytical Chemistry -