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Affichage des publications 2141 à 2150 sur 4017 au total

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Venous Nicking Without Arteriovenous Contact: The role of the arteriolar microenvironment in arteriovenous nickings

Arteriovenous nickings (AVNs) in the retina are the cause of retinal vein occlusions and are also surrogates of cerebrovascular aging. The prevalent mechanistic model of AVNs stating that arteries crush veins remains somewhat unchallenged despite…

Michel Paques, Aurélie Brolly, Jonathan Benesty, Nicolas Lermé, Edouard Koch, Florence Rossant, Isabelle Bloch, Jean-François Girmens

JAMA Ophthalmology -

Robotics

Calibration-free match finding between vision and LIDAR

We present a learning approach that allows to detect correspondences between visual and LIDAR measurements. In contrast to approaches that rely on calibration, we propose a learning approach that will create an implicit calibration model from…

Egor Sattarov, Alexander Gepperth, Sergio Alberto Rodriguez Florez, Roger Reynaud

Intelligent Vehicles Symposium (IV), 2015 IEEE -

Electric power

Study of a quasi Z-source inverter and permanent magnet synchronous motor to reduce global size of a more electric aircraft actuator

Aircraft DC buses are variable due to the variable speed generators which constrains to design the actuator for the lowest DC voltage value which leads to over-sizing VSIs of actuators. It is proposed to use a quasi Z-source inverter to increase the…

Jérémy Cuenot, Sami Zaim, Babak Nahid-Mobarakeh, Serge Pierfederici, Eric Monmasson, Régis Meuret, Farid Meibody-Tabar

ITEC 2015, IEEE Transportation Electrification Conference and Expo -

Physics

Tackling the Limits of Optical Fiber Links

We theoretically and experimentally investigate relevant noise processes arising in optical fiber links, which fundamentally limit their relative stability. We derive the unsuppressed delay noise for three configurations of optical links: two-way…

Fabio Stefani, Olivier Lopez, Anthony Bercy, Won-Kyu Lee, Christian Chardonnet, Giorgio Santarelli, Paul-Eric Pottie, Anne Amy-Klein

Journal of the Optical Society of America B -

Electric power

Enhanced Aging Model for Supercapacitors taking into account Power Cycling: Application to the Sizing of an Energy Storage System in a Direct Wave Energy Converter

This paper proposes an original model for superca-pacitors that takes into account both calendar aging and cycling aging. A state variable is used to quantify the State-Of-Aging. This model is based on a series of recent experiments conducted in…

Thibaut Kovaltchouk, Bernard Multon, Hamid Ben Ahmed, Judicael Aubry, Pascal Venet

IEEE Transactions on Industry Applications -