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Variable-stiffness tensegrity spine

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Results of the test of a pair of 20 kA HTS current leads

Pierluigi Bruzzone, Rainer Wesche

A new series connected 25 T hybrid magnet system is being set up by the Helmholtz Zentrum Berlin (HZB) for neutron scattering experiments. CRPP has designed and manufactured a pair of 20 kA current leads for the powering of the outer superconducting coils ...

2013

An Active Uprighting Mechanism for Flying Robots

Dario Floreano, Jean-Christophe Zufferey, Adrien Briod, Adam Klaptocz, Ludovic Daler

Flying robots have unique advantages in the exploration of cluttered environments such as caves or collapsed buildings. Current systems however have difficulty in dealing with the large amount of obstacles inherent to such environments. Collisions with obs ...

Ieee-Inst Electrical Electronics Engineers Inc2012

An Information Theoretic Combination of MFCC and TDOA Features for Speaker Diarization

Hervé Bourlard, Fabio Valente, Deepu Vijayasenan

This correspondence describes a novel system for speaker diarization of meetings recordings based on the combination of acoustic features (MFCC) and time delay of arrivals (TDOAS). The first part of the paper analyzes differences between MFCC and TDOA feat ...

2011

A current-mode back-end for a sensor microsystem

Maher Kayal, Marc Pastre, Andrea Ajbl

is paper presents a voltage-to-current converter as a current-mode output buffering stage for sensor interfaces. The converter can be used in any microsystem needing a current output. It is presented here in the context of a Hall sensor microsystem. The sy ...

IEEE2011

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This work describes a novel system for speaker diarization of meetings recordings based on the combination of acoustic features (MFCC) and Time Delay of Arrivals (TDOA). The first part of the paper analyzes differences between MFCC and TDOA features which ...

Idiap2010

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This paper focuses on the experimental determination of the electrical resistance (R) of commercial high temperature superconductor (HTS) coated conductors (CCs) at currents well above the critical current. The major novelty of this work rests on the uniqu ...

2010

A Fully On-Chip LDO Voltage Regulator for Remotely Powered Cortical Implants

Alexandre Schmid, Yusuf Leblebici, Vahid Majidzadeh Bafar

This article presents a fully on-chip low-power low drop-out (LDO) voltage regulator dedicated to remotely powered wireless cortical implants. This regulator is stable over the full range of alternating current without the need of dedicated active circuitr ...

2009

Universal scaling of optimal current distributions in transportation networks

Andrea Rinaldo, Amos Maritan

Transportation networks are inevitably selected with reference to their global cost which depends on the strengths and the distribution of the embedded currents. We prove that optimal current distributions for a uniformly injected d-dimensional network exh ...

2009

Finite-element modelling of superconductors in over-critical regime with temperature dependent resistivity

Francesco Grilli, Joseph Duron, Bertrand Dutoit

In this paper, we present a new numerical model, in which both the thermal and the electromagnetic aspects of the over-critical current regime of HTS materials are taken into account. The electromagnetic and thermal equations have been implemented in finit ...

2006

Reconstruction of current unbalance in full-size ITER NbTiCICC by self-field measurements

Boris Stepanov

Methods have been developed to study the distribution of the transport current among the strand bundles of cable-in-conduit conductors (CICC) by using self-field measurements with Hall probe arrays. The unbalance in the transport current is mainly caused b ...

2005