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Communication dans un congrès

Tuner intégré large bande en gamme de fréquences millimétriques pour la caractérisation en technologie BiCMOS 55 nm

Caroline Maye, Marc Margalef-Rovira, Issa Alaji, Sylvie Lepilliet, D. Gloria, Guillaume Ducournau, Christophe Gaquière

Cet article présente une architecture innovante d’un tuner intégré en gamme de fréquences millimétriques pour répondre aux besoins de la caractérisation load-pull au-delà 140 GHz. L’architecture proposée ici est constituée d’un atténuateur variable à base d’un coupleur 3 dB en ligne microstrip et…

XXIIèmes Journées Nationales Microondes, Jun 2022, Limoges, France. ⟨hal-03702577⟩

Article dans une revue

Enhancing Cycling Stability and Specific Capacitance of Vanadium Nitride Electrodes by Tuning Electrolyte Composition

Emile Haye, Yuanyuan Miao, David Pilloud, Camille Douard, Rabah Boukherroub, Jean-François Pierson, Thierry Brousse, Stéphane Lucas, Laurent Houssiau, Jean-Jacques Pireaux, Amine Achour

In this study, the tuning of the KOH electrolyte composition is proposed as a strategy to drastically limit the capacitance fade of vanadium nitride (VN) electrode. We demonstrate that the use of a V5+ (as VO43- vanadates anions) containing KOH electrolyte enhances the cycling stability of VN thin…

Journal of The Electrochemical Society, 2022, 169 (6), 063503, 8 p. ⟨10.1149/1945-7111/ac7353⟩. ⟨hal-03682462⟩

Communication dans un congrès

New gEneration of adaptable Wireless sensor NEtwork for way side objeCTs in rAilway enviRonments (NEWNECTAR), a laboratory demonstrator for optimized data collection process in rail

Dereje Mechal Molla, Hakim Badis, Marion Berbineau, Laurent George, Ali Sabra, Hayfa Ben Thameur, Iyad Dayoub, Mohammad Kalaagi, D. Seetharamdoo, Hakim Takhedmit

The development of networking and wireless technologies has opened the gates to the deployment of various types of Wireless Sensor Networks (WSNs) in the railway sector, allowing numerous distributed sensors to be networked to constantly monitor both fixed and moving objects in the railway systems…

13h World Congress on Railway Research 2022, Jun 2022, Birmingham, United Kingdom. ⟨hal-04487742⟩

Communication dans un congrès

Ultrasonic coda wave interferometry (CWI) for detecting a change at interface of a solid surface - Applications for monitoring fouling, biofilm growth, cleaning and corrosion

Guillaume Delaplace, Pierre Campistron, Marwan Abdallah, A. Boutignon, T. Danel, Simon Khelissa, Thierry Six, Laurent Wauquier, Thomas Dubois, Nour-Eddine Chihib, Pascal Debreyne, Cyril Nicard, Ingrid Proriol Serre, David Balloy, B. Chen, Maxime Farin, Olivier Brehault, Dorothée Debavelaere-Callens, Lynda Chehami, Farouk Benmeddour, Emmanuel Moulin

Fouling of heat exchanger and corrosion occurs in many industrial sectors which causes considerable economic losses and increases public health risks. Therefore, it is important to develop devices to monitor the formation/removal of fouling and the corrosion occurrence. Such devices permit to…

Heat Exchanger Fouling and Cleaning XIV, Jun 2022, Wagrain, Austria. ⟨hal-03866991⟩

Communication dans un congrès

Toward Efficient FMS Scheduling Through Rules Combination Using an Optimization-Simulation Mechanism

Wassim Bouazza, Yves Sallez, Damien Trentesaux

Driven by innovations in production techniques and tools, factories are becoming more and more flexible. In addition, the growth of technologies such as the Industrial Internet of Things is making production systems holding more and more decisional nodes and entities. Thus, one of the key…

SOHOMA’21 : 11th International Workshop on Service Oriented, Holonic and Multi-Agent Manufacturing Systems for Industry of the Future, Nov 2021, Cluny, France. pp.559-571, ⟨10.1007/978-3-030-99108-1_40⟩. ⟨hal-03691377⟩

Communication dans un congrès

SNCF workers detection in the railway environment based on improved YOLO v5

Yahia Hathat, Djamel Samai, Azeddine Benlamoudi, Khaled Bensid, Abdelmalik Taleb-Ahmed

In nearest past years object detection techniques becomes the magic key to solving several problems in computer vision, in this work, we introduce our enhanced YOLO v5 detector for detecting SNCF (National Society of France Railroad) workers in the railway environment. Our contribution in this work…

2022 7th International Conference on Image and Signal Processing and their Applications (ISPA), May 2022, Mostaganem, Algeria. pp.1-7, ⟨10.1109/ISPA54004.2022.9786027⟩. ⟨hal-03689492⟩

Communication dans un congrès

Segmentation and classification of benign and malignant breast tumors via texture characterization from ultrasound images

Mohamed Benaouali, Mohamed Bentoumi, Menad Touati, Abdelmalik Taleb-Ahmed, Malika Mimi

The present paper deals with breast tumors classification from ultrasound images. The proposed procedure consists of four steps, namely preprocessing, segmentation, feature extraction and classification. To improve the quality of ultrasound images, the preprocessing step consists of anisotropic…

2022 7th International Conference on Image and Signal Processing and their Applications (ISPA), May 2022, Mostaganem, Algeria. pp.1-4, ⟨10.1109/ISPA54004.2022.9786350⟩. ⟨hal-03689545⟩

Communication dans un congrès

Towards high buffer breakdown field and high temperature stability AlGaN channel HEMTs on silicon substrate

Jash Mehta, Idriss Abid, Julien Bassaler, Julien Pernot, Philippe Ferrandis, Stephanie Rennesson, T.H. Ngo, Maud Nemoz, Sébastian Tamariz, Yvon Cordier, Fabrice Semond, F Medjdoub

The rapidly increasing power demand, downsizing of power electronics and material specific performance limitation of silicon has led to the development of AlGaN/GaN heterostructures for high power applications. In this frame, emerging AlxGa1-xN channel based heterostructures show promising features…

Compound Semiconductor Week, CSW 2022, Jun 2022, Ann Arbor MI, United States. 2 p. ⟨hal-03828829⟩

Article dans une revue

P-CRITICAL: a reservoir autoregulation plasticity rule for neuromorphic hardware

Ismael Balafrej, Fabien Alibart, Jean Rouat

Backpropagation algorithms on recurrent artificial neural networks require an unfolding of accumulated states over time. These states must be kept in memory for an undefined period of time which is task-dependent and costly for edge devices. This paper uses the reservoir computing paradigm where an…

Neuromorphic Computing and Engineering, 2022, 2 (2), pp.024007. ⟨10.1088/2634-4386/ac6533⟩. ⟨hal-04348637⟩

Article dans une revue

A CNN-Based Methodology for Cow Heat Analysis from Endoscopic Images

Ruiwen He, Halim Benhabiles, Feryal Windal, Gaël Even, Christophe Audebert, Agathe Decherf, Dominique Collard, Abdelmalik Taleb-Ahmed

In cattle farming, the artificial insemination technique is a biotechnology that brings to farmers a wide range of benefits namely health security, genetic gain and economic costs. The main condition for the success of artificial insemination within cattle is the heat (or estrus) detection. In this…

Applied Intelligence, 2022, 52, pp 8372-8385. ⟨10.1007/s10489-021-02910-5⟩. ⟨hal-03429750⟩