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Global dynamics away from the ground state for the energy-critical nonlinear wave equation

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Contactless energy transfer with Induction for a miniature Car

Contactless energy transfer is very promising in terms of property and handling. In clean rooms contactless energy transfer allows to build moving robots without any bending cable that emits particles with every movement. We want to test one possibility to ...

2011

energy's and amplitudes' positivity (vol 05, 095, 2010)

Riccardo Rattazzi

We correct typos in eq. (2.41) and (2.42) of ref. [1]. This has several repercussions for the equations of section 2.3, but none for the subsequent sections or for the conclusions of the paper ...

Springer2011

Towards Autonomous Energy-Wise RObjects

Alcherio Martinoli, Francesco Mondada, Michael Bonani, Philippe Rétornaz, Florian Christopher Vaussard

In this article, the RObject concept is first introduced. This is followed by a survey of applicable energy scavenging technologies. Energy is a key issue for the large scale deployment of robotics in daily life, as recharging the batteries places a consid ...

Springer Berlin Heidelberg2011

Local nonreflecting boundary condition for time-dependent multiple scattering

Imbo Sim

Starting from from a high-order local nonreflecting boundary condition (NBC) for single scattering [25], we derive a local NBC for time-dependent multiple scattering problems in three space dimensions, which is completely local both in space and time. To d ...

2011

Voices of Vlogging

Daniel Gatica-Perez, Joan Isaac Biel Tres

Vlogs have rapidly evolved from the ’chat from your bedroom’ format to a highly creative form of expression and communication. However, despite the high popularity of vlogging, automatic analysis of conversational vlogs have not been attempted in the liter ...

2010

Robust safety of timed automata

Laurent Doyen

Timed automata are governed by an idealized semantics that assumes a perfectly precise behavior of the clocks. The traditional semantics is not robust because the slightest perturbation in the timing of actions may lead to completely different behaviors of ...

Springer US2008

On the focusing critical semi-linear wave equation

Joachim Krieger

The wave equation partial derivative tt psi - Delta psi - psi(5) = 0 in R-3 is known to exhibit finite time blowup for data of negative energy. Furthermore, it admits the special static solutions phi(x, a) = (3a)(1/4) (1 + a\x(2))- 1/2 for all a > 0 which ...

2007

Some trends and research needs in energy and comfort prediction

Darren Robinson

This review paper aims to stimulate debate regarding research needs in the domain of energy and comfort prediction, to arrive at a consensus on priorities. It is suggested that these priorities can be categorised in terms of energy fluxes to facilitate imp ...

2006

Decentralized production in urban systems, the vision of the Institute of Energy Sciences of EPFL

François Maréchal

In 1998, the Board of the Swiss Federal Institute of Technology established the challenging vision of the 2000 W society. The goal is to reach, for Switzerland by the year 2050, an energy intensity target of 2000 Wyear/year/cap. Referring to a present inte ...

2005

What Good are Probabilistic Specifications and What Probabilistic Specifications are Good?

Patrick Eugster

The number of probabilistic approaches to ``classic'' distributed systems problems such as reliable broadcast, consensus, or leader election, has further increased recently. Probabilistic algorithms, possibly starting from probabilistic system models, have ...

2003