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A novel optimization approach for minimum cost design of trusses

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Equality between Monge and Kantorovich multimarginal problems with Coulomb cost

Maria Colombo

A standard question arising in optimal transport theory is whether the Monge problem and the Kantorovich relaxation have the same infimum; the positive answer means that we can pass to the relaxed problem without loss of information. In the classical case ...

2015

Attitudes to Distance, Time and Cost in Logit Transport Choice Models

Matthieu Marie Cochon de Lapparent

During the last 20 years, a distance variable has sometimes been added to specifications of Logit utility functions that already included travel time and cost variables long assumed in theory and practice to embody the impeding effect of distance on transp ...

2015

A semi-analytical approach for optimized design of microchannel liquid-cooled ICs

David Atienza Alonso, Arvind Raj Mahankali Sridhar

The development of embedded and interlayer liquid cooling in integrated circuits (ICs) using silicon microchannels has gained interest in the recent years owing to the rise of on-chip heat uses that aggravate thermal reliability issues of the emerging 3D s ...

IEEE Press2014

Source Localization and Tracking in Non-Convex Rooms

Martin Vetterli, Ivan Dokmanic, Orhan Öçal

We consider the estimation of the acoustic source position in a known room from recordings by a microphone array. We propose an algorithm that does not require the room to be convex, nor a line-of-sight path between the microphone array and the source to b ...

Ieee2014

CAMEA: Costing Report

The costing of the CAMEA spectrometer as proposed, involving the prices of guides and shielding, the spectrometer itself and the key pieces of sample environment equipment needed to fulfill the science goals of CAMEA, is estimated at 19.519 M€, which shoul ...

2014

Approximation Schemes for Many-Objective Query Optimization

Christoph Koch, Immanuel Trummer

The goal of multi-objective query optimization (MOQO) is to find query plans that realize a good compromise between conflicting objectives such as minimizing execution time and minimizing monetary fees in a Cloud scenario. A previously proposed exhaustive ...

2014

Design optimization of a 2D blade by means of milling tool path

François Avellan, Christian Vessaz, Christophe Tournier

In a conventional design and manufacturing process, turbine blades are modeled based on reverse engineering or on parametric modeling with Computer Fluids Dynamics (CFD) optimization. Then, only raises the question of the manufacturing of the blades. As th ...

2013

Unified Detection and Tracking of Instruments during Retinal Microsurgery

Raphael Sznitman

Methods for tracking an object have generally fallen into two groups: tracking by detection and tracking through local optimization. The advantage of detection-based tracking is its ability to deal with target appearance and disappearance, but it does not ...

Ieee Computer Soc2013

An Algorithm for Testing the Efficient Market Hypothesis

Ioana Andreea Boboc

The objective of this research is to examine the efficiency of EUR/USD market through the application of a trading system. The system uses a genetic algorithm based on technical analysis indicators such as Exponential Moving Average (EMA), Moving Average C ...

Public Library of Science2013

A compact and low loss Y-junction for submicron silicon waveguide

Yi Zhang, Christophe Marcel Georges Galland

We designed a compact, low-loss and wavelength insensitive Y-junction for submicron silicon waveguide using finite difference time-domain (FDTD) simulation and particle swarm optimization (PSO), and fabricated the device in a 248 nm complementary metal-oxi ...

Optical Society of America2013