Now showing items 1-20 of 27

  • Algoritmos para la asignación de pasajeros en redes de transporte público 

    Rosell Camps, Francisca (Universitat Politècnica de Catalunya, 2014-06)
    Master thesis
    Restricted access - author's decision
    Los modelos para la asignación de pasajeros son una magnífica herramienta para facilitar la planificación de las redes de transporte público y ayudan en la predicción de la utilización de las diferentes líneas por parte ...
  • Analyzing SPSA approaches to solve the non-linear non-differentiable problems arising in the assisted calibration of traffic simulation models 

    Ros Roca, Xavier (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2017-01)
    Master thesis
    Open Access
    Mathematical and simulation models of systems lay at the core of decision support systems, and their role become more critical as more complex is the system object of decision. The decision process usually encompasses the ...
  • A new optimal electricity market bid model solved through perspective cuts 

    Corchero García, Cristina; Mijangos Fernández, Eugenio; Heredia, F.-Javier (Francisco Javier) (Springer, 2011-11)
    Article
    Restricted access - publisher's policy
    On current electricity markets the electrical utilities are faced with very sophisticated decision making problems under uncertainty. Moreover, when focusing in the short-term management, generation companies must include ...
  • A unified approach for measuring precision and generalization based on anti-alignments 

    Dongen, Boudewijn van; Carmona Vargas, Josep; Chatain, Thomas (Springer, 2016)
    Conference report
    Open Access
    The holy grail in process mining is an algorithm that, given an event log, produces fitting, precise, properly generalizing and simple process models. While there is consensus on the existence of solid metrics for fitness ...
  • Building optisim, optimizador NZEB 

    Fonseca Casas, Pau; Colls, Màxim; Casanovas Garcia, Josep; Fonseca Casas, Antoni; Garrido Soriano, Núria (2012)
    Conference report
    Open Access
    La simulación de la demanda energética de un edificio es una tarea compleja debido principalmente a dos factores clave. En primer lugar, es necesario definir la física y las complejas relaciones entre todos los elementos ...
  • Caracterització de formulacions fortes del problema Unit Commitment 

    Escandell Planells, Jordan (Universitat Politècnica de Catalunya, 2017-07)
    Bachelor thesis
    Open Access
    El problema del unit commitment (UC) és un dels problemes combinatoris de major rellevància en l'aplicació de l'optimització matemàtica als sistemes d'energia i mercats elèctrics, essent fonamental per a la resolució ...
  • Connect the dot: computing feed-links for network extension 

    Speckmann, Bettina; Silveira, Rodrigo Ignacio; Aronov, Boris; Buchin, Kevin; Buchin, Maike; Jansen, Bart; De Jong, Tom; Kreveld, Marc van; Loffler, Maarten; Luo, Jun (2011-12-20)
    Article
    Open Access
    Road network analysis can require distance from points that are not on the network themselves. We study the algorithmic problem of connecting a point inside a face (region) of the road network to its boundary while ...
  • Development of heuristic methods for solving detection layout models 

    Valdivia García, Ana (Universitat Politècnica de Catalunya, 2014-07)
    Bachelor thesis
    Restricted access - author's decision
    The Information and Communications Technologies penetration in the transport sector has led to the emergence of new mechanisms for attracting trac data. The importance of nding the best location for these mechanisms into ...
  • Edge-partitioning regular graphs for ring traffic grooming with a priori placement od the ADMs 

    Muñoz López, Francisco Javier; Zhentao, Li; Sau Valls, Ignasi (2011)
    Article
    Open Access
    We study the following graph partitioning problem: Given two positive integers C and Δ, find the least integer M(C,Δ) such that the edges of any graph with maximum degree at most Δ can be partitioned into subgraphs with ...
  • Estudi de la cohort de pacients d'Insuficiència Cardíaca tractats amb Teràpia de Resincronització a l'Hospital Clínic de Barcelona 

    Borràs Amoraga, Roger (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2018-01)
    Master thesis
    Restricted access - author's decision
    En aquest projecte, estudiarem una cohort de pacients amb Teràpia de Resincronització Cardíaca (TRC). Els pacients de resincronització cardíca són una tipologia de pacients que pateixen mala sincronització en el funcionament ...
  • Flow computations on imprecise terrains 

    Driemel, Anne; Haverkort, Herman; Löffler, Maarten; Silveira, Rodrigo Ignacio (Springer Verlag, 2011)
    Conference report
    Restricted access - confidentiality agreement
    We study water flow computation on imprecise terrains. We consider two approaches to modeling flow on a terrain: one where water flows across the surface of a polyhedral terrain in the direction of steepest descent, and ...
  • ICT based estimation of time-dependent origin-destination matrices 

    Barceló Bugeda, Jaime; Montero Mercadé, Lídia; Marqués, Laura; Carmona Bautista, Carlos (2011)
    Conference report
    Open Access
    Time-Dependent Origin-Destination (OD) matrices are a key input to Dynamic Traffic Models, microscopic and mesoscopic traffic simulators are relevant examples of such models, traditionally used to assist in the design and ...
  • Learning agent in heuristic architecture optimization 

    Abelló Gàllego, Clara (Universitat Politècnica de Catalunya, 2015-02)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Cornell University. Sibley School of Mechanical and Aerospace Engineering
    One of the main problems of current system design and architecture tools is the communication between the tool and the user and vice-versa. This work describes an on-going effort to improve that communication by incorporating ...
  • Minimizando el coste de operación entre centros de procesamiento de datos federados desde una aproximación estocástica 

    León León, Jorge (Universitat Politècnica de Catalunya, 2014-01)
    Master thesis
    Open Access
    En este proyecto se ha resuelto el problema de migración de máquinas virtuales en federaciones de centros de procesamiento de datos con el fin de reducir los costes de operacion (coste energético y de comunicación). Hemos ...
  • Optimal energy management for a residential microgrid including a vehicle-to-grid system 

    Igualada González, Lucía; Corchero García, Cristina; Cruz Zambrano, Miguel; Heredia, F.-Javier (Francisco Javier) (2013-11-18)
    External research report
    Open Access
    An optimization model is proposed to manage a residential microgrid including a charging spot with a vehicle-togrid system and renewable energy sources. In order to achieve a realistic and convenient management, we take ...
  • Optimization of aircraft boarding processes considering passengers’ grouping characteristics 

    Carmona Budesca, Gerard; Juan, Angel A.; Fonseca Casas, Pau (2014)
    Conference report
    Open Access
    A ircraft boarding is one of the critical process es affecting the turnaround time whe n a plane is at an airport. In this work , the aircraft boarding problem is studied with the aim of designing a boarding ...
  • Problemas de diseño de red multiartículo mediante la descomposición de Benders 

    Rodríguez Barreiro, Marta (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-06)
    Master thesis
    Restricted access - author's decision
    Los problemas de diseño de red multiartículo pueden ser tratados como MILP, donde las variables binarias representan la toma de decisiones y las continuas el flujo que circula por la red. En esta memoria vamos a resolver ...
  • Secuenciación de unidades en una línea de montaje minimizando el trabajo perdido 

    Bautista Valhondo, Joaquín; Cano Belman, Jaime; Pereira Gude, Jordi (Ed. Universitat de Lleida, 2003)
    Conference lecture
    Restricted access - publisher's policy
    Una variante del problema de secuenciación de productos mixtos en una línea de montaje es la propuesta por Yano y Rachamadugu. En ella se considera la existencia de ventanas temporales en las estaciones de trabajo y el ...
  • Simulation of off-shore oil operations accounting for weather incidences 

    Sigel, Sarah Nadine (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2016-06)
    Master thesis
    Open Access
    In this work we will simulate the voyage of one vessel, servicing three instal- lations before returning to the base. This will be done by using a discrete event simulation, with a submodel for the stochastic component, ...
  • Solar panels installation simulation using Simio 

    Servitja Robert, Maria (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2018-06)
    Master thesis
    Restricted access - author's decision
    In this Master thesis, simulation is used to study a new proposal for Solar Panels Installation. Starting with the current installation process and given two years of historical data, the new scenario is studied and ...