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Concept

Ambient noise level

Publications associées (26)

Inkjet printed colorimetric ammonia sensor on plastic foil for low-cost and low-power devices

Nico de Rooij, Danick Briand, Jérôme Courbat

A polymeric-based colorimetric gas sensor with its associated electronics targeting ammonia detectionat low-cost and low-power is presented. The gas sensitive layer was inkjet printed on a plastic foil used as an optical waveguide. The planarconfiguration ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2010

Noise reduction and estimation in multiple micro-electro-mechanical inertial systems

Jan Skaloud, Stéphane Guerrier, Adrian Ulrich Wägli

This research studies the reduction and the estimation of the noise level within a redundant configuration of low-cost (MEMS-type) inertial measurement units (IMUs). Firstly, independent observations between units and sensors are assumed and the theoretica ...

IOP Publishing2010

High-speed internal strain measurements in composite structures under dynamic load using embedded FBG sensors

John Botsis, Thomas Gmür, Joël Cugnoni, Jeannot Frieden, Dragan Coric

Internal strain measurements in cross-ply carbon-epoxy composite plates under dynamic loads are carried out using embedded FBG sensors. The principle of the FBG interrogation is based on intensity demodulation achieved via a Fabry-Perot filter. To account ...

2010

Model-free data interpretation for continuous monitoring of complex structures

Structural Health Monitoring (SMH) has the potential to provide reliable, quantitative data on the real condition of structures. Early detection of damage or deterioration can enable preventive repair and reduce maintenance costs. Although obtaining data f ...

EPFL2009

Search for corannulene (C20H10) in the Red Rectangle

Polycyclic Aromatic Hydrocarbons (PAHs) are widely accepted as the carriers of the Aromatic Infrared Bands (AIBs), but an unambiguous identification of any specific interstellar PAH is still missing. For polar PAHs, pure rotational transitions can be used ...

Blackwell Publishing Ltd, Oxford2009

Segregation in swarms of mobile robots based on the Brazil nut effect

Francesco Mondada, Stéphane Magnenat

We study a simple algorithm inspired by the Brazil nut effect for achieving segregation in a swarm of mobile robots. The algorithm lets each robot mimic a particle of a certain size and broadcast this information locally. The motion of each particle is con ...

IEEE Computer Society Press2009