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Matching techniques ride to rescue OLED displays

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Targeting the retrofit of large-scale industrial plant with multi-objective optimization

François Maréchal, Nasibeh Pouransari

A methodology is proposed to target the retrofit of utility system and heat exchanger network (HEN) of large-scale chemical plants. The methodology is based on the Mixed Integer Linear Programming (MILP) formulation for the optimal site utility integration ...

2014

Coding Structure and Replication Optimization for Interactive Multiview Video Streaming

Pascal Frossard

Multiview video refers to videos of the same dynamic 3-D scene captured simultaneously by multiple closely spaced cameras from different viewpoints. We study interactive streaming of pre-encoded multiview videos, where, at any time, a client can request an ...

Ieee-Inst Electrical Electronics Engineers Inc2014

LP-Based Algorithms for Capacitated Facility Location

Ola Nils Anders Svensson, Hyung Chan An

Linear programming has played a key role in the study of algorithms for combinatorial optimization problems. In the field of approximation algorithms, this is well illustrated by the uncapacitated facility location problem. A variety of algorithmic methodo ...

IEEE2014

Targeting the Retrofit of industrial utility system and heat exchanger network

François Maréchal, Nasibeh Pouransari

A new methodology is herein suggested to target the retrofit of utility system and heat exchanger network (HEN) of large-scale chemical plants for energy eciency improvement purposes. The methodology is based on the optimal site energy conversion unit inte ...

2014

A natural-norm Successive Constraint Method for inf-sup lower bounds

Jan Sickmann Hesthaven, Yixing Chen

We present a new approach for the construction of lower bounds for the inf-sup stability constants required in a posteriori error analysis of reduced basis approximations to affinely parametrized partial differential equations. We combine the ``linearized' ...

Elsevier2010

Model-Predictive Control of an Experimental Solid Oxide Fuel Cell Stack

Dominique Bonvin, Stefan Diethelm, Grégory François, Zacharie Wuillemin, Arata Nakajo, Gene Bunin

Solid Oxide Fuel Cells (SOFC) are energy conversion devices that produce electrical energy via the reaction of a fuel with an oxidant. Although SOFCs have become credible alternatives to non-renewable energy sources, efforts are still needed to extend thei ...

2010

Multiline Addressing by Network Flow

Friedrich Eisenbrand

We consider an optimization problem arising in the design of controllers for OLED displays. Our objective is to minimize amplitude of the electrical current through the diodes which has a direct impact on the lifetime of such a display. Modeling the proble ...

2009

Algorithms for longer OLED lifetime

Friedrich Eisenbrand

We consider an optimization problem arising in the design of controllers for OLED displays. Our objective is to minimize the amplitude of the electrical current flowing through the diodes which has a direct impact on the lifetime of such a display. The opt ...

2007

Representative explanations for over-constrained problems

Boi Faltings, Pearl Pu Faltings

In many interactive decision making scenarios there is often no solution that satisfies all of the user's preferences. The decision process can be helped by providing explanations. Relaxations show sets of consistent preferences and, thus, indicate which p ...

American Association for Artificial Intelligence, Menlo Park, CA 94025-3496, United States2007

Multiline addressing by network flow

Friedrich Eisenbrand

2006