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Publications associées (204)

Metallized Gratings Enable Color Effects and Floating Screen Films by First-Order Diffraction

A new concept for generating visual effects with metallized gratings is introduced. Shadow evaporation of aluminum onto dielectric gratings is shown to produce strongly asymmetric color effects. Zero-order effects are combined with +/- first-order transmis ...

2015

Up-scalable plasmonic and diffractive nanostructures

Fabian Michael Lütolf

Since most of the academic photonic and plasmonic nanostructures are based on slow and expensive electron beam lithography processes, there is a need for innovative alternatives suitable for industrial manufacturing. Large areas need to be patterned with a ...

EPFL2015

Position accuracy with redundant MEMS IMU for road applications

Jan Skaloud, Pierre-Yves Gilliéron, Bertrand Merminod, Philipp Clausen

Traffic problems have mainly resulted from an increase in mobility over the last decades involving an increase in traffic congestion and degradation of environmental conditions. The employment of new systems - namely, Intelligent Transport Systems (ITS) is ...

2015

Forecasting price spikes in European day-ahead electricity markets using decision trees

Anna Fragkioudaki

Although the techniques for normal price prediction are well advanced, price spike prediction remains a challenge. The aim of this paper is to present a method to predict both normal day-ahead electricity prices as well as day-ahead price spikes using clas ...

IEEE2015

Demand-Side Flexibility for Energy Transitions: Ensuring the Competitive Development of Demand Response Options

Marie-Valentine Renée Agnès Florin, François Richard Vuille, Anjali Devi Vanapilli Nursimulu

This report provides an overview of the current debates about demand response development, focusing primarily on Europe, with some comparisons to the United States. ‘Demand response’ includes strategies that involve end-use customers adapting or altering t ...

International Risk Governance Center (IRGC)2015

High Relief from 3D Scenes

Sabine Süsstrunk, Roger Hersch, Mahmut Sami Arpa

We present a method for synthesizing high reliefs, a sculpting technique that attaches 3D objects onto a 2D surface within a limited depth range. The main challenges are the preservation of distinct scene parts by preserving depth discontinuities, the fine ...

Wiley-Blackwell2015

Influence of the Hydraulic System Layout on the Stability of a Mixed Islanded Power Network

François Avellan, Christophe Nicolet, Christian Landry, Stefano Giacomini

Numerical simulation and stability analysis of an islanded power network comprising 40 MW of hydropower, 20 MW of wind power and 60 MW of gas-fired power plant are investigated. First, the modeling of each power plant is fully described. The wind farm is m ...

Springer Singapore2014

Controllable polarity fet based arithmetic and differential logic

Giovanni De Micheli, Pierre-Emmanuel Julien Marc Gaillardon, Luca Gaetano Amarù

A logic gate with three inputs A, B, and C, and one output implementing a function MAJ(A,B,C)=AB+BC+A*C comprising two mutually exclusive transmission gates (TGs) connected in series, based on two parallel double-gate controllable polarity devices, a pol ...

2014

Coherent terabit communications with microresonator Kerr frequency combs

Tobias Kippenberg, Victor Brasch, Tobias Herr, Jingshi Li

Optical frequency combs have the potential to revolutionize terabit communications(1). The generation of Kerr combs in nonlinear microresonators(2) is particularly promising(3), enabling line spacings of tens of gigahertz. However, such combs may exhibit s ...

Nature Publishing Group2014

Institutional structure reform of the Cameroon electricity sector

Nicolas Crettenand

Cameroon’s electricity sector is undergoing significant changes. Before 1974, electricity was supplied by many different companies until they were nationalized and merged into a single, vertically integrated company that had responsibility for production, ...

2014

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