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Related publications (157)

A process integration method with multiple heat exchange interfaces

François Maréchal, Ivan Daniel Kantor, Hür Ebuzer Bütün

In recent decades, energy efficiency has become one of the key issues facing industrial producers. Mounting economic, environmental and social factors motivate energy-intensive industries to improve their efficiency. Identifying energy saving retrofit oppo ...

2017

Robust optimal control with adjustable uncertainty sets

Maryam Kamgarpour, John Lygeros, Xiaojing Zhang

In this paper, we develop a unified framework for studying constrained robust optimal control problems with adjustable uncertainty sets. In contrast to standard constrained robust optimal control problems with known uncertainty sets, we treat the uncertain ...

2017

Rich Vehicle and Inventory Routing Problems with Stochastic Demands

Iliya Dimitrov Markov

This thesis develops a unified framework for modeling and solving various classes of rich routing problems with stochastic demands, including the VRP and the IRP. The work is inspired by the problem of collecting recyclables from sensorized containers in G ...

EPFL2017

Applications of Strong Convex Relaxations to Allocation Problems

Christos Kalaitzis

Approximation algorithms are a commonly used tool for designing efficient algorithmic solutions for intractable problems, at the expense of the quality of the output solution. A prominent technique for designing such algorithms is the use of Linear Program ...

EPFL2017

Combinatorial Algorithm for Restricted Max-Min Fair Allocation

Ola Nils Anders Svensson, Christos Kalaitzis, Chidambaram Annamalai

We study the basic allocation problem of assigning resources to players to maximize fairness. This is one of the few natural problems that enjoys the intriguing status of having a better estimation algorithm than approximation algorithm. Indeed, a certain ...

Association for Computing Machinery2017

Optimum design of distributed energy hubs using hybrid surrogate models (HSM)

Jean-Louis Scartezzini, Pamuditha Udaranga Wickramasinghe, Amarasinghage Tharindu Dasun Perera, Vahid Moussavi Nik

The energy hub concept is gradually getting popular due to its capability to integrate renewable energy technologies into the energy grid with a minimum impact. Designing distributed energy hubs is a challenging task due to the coupling of optimum dispatch ...

Elsevier2017

Introduction to disaggregate demand models

Michel Bierlaire, Virginie Janine Camille Lurkin

Demand information is an input for a great deal of operations research models. Assumed as given in many problem instances addressed in the literature, demand data are difficult to generate. In this tutorial, we provide an introduction to disaggregate deman ...

2017

Human computation for data, information, and knowledge management

Thành Tâm Nguyên

The paradigm of Human Computation has grown rapidly in recent years and has thus sparked great interest in both the industry and the research community. In this survey, we give an overview of the state-of-the-art of human computation in the context of data ...

2016

Optimal design methods applied to solar-assisted hydrothermal gasification plants

Alberto Mian

The gasification of highly watered waste residues may help to reduce fossil fuels consumption, as well as emissions, all the while improving efficiency. The integration of supercritical gasification with solar energy may improve the performances of both ne ...

EPFL2016

Distributed rate allocation in switch-based multiparty videoconference

Pascal Frossard, Sergio Mena, Stefano D'Aronco

Multiparty videoconferences, or more generally multiparty video calls, are gaining a lot of popularity as they offer a rich communication experience. These applications have however, large requirements in terms of both network and computational resources a ...

ACM2016

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