Now showing items 1-20 of 171

  • AAR-based decomposition algorithm for non-linear convex optimisation 

    Rabiei, Syednima; Muñoz Romero, José (2014)
    Conference lecture
    Open Access
  • A branch and bound approach for the capacitated plant location problem using cuts from the partial convex hull 

    Barceló Bugeda, Jaime (1984)
    External research report
    Open Access
    The efficient solution of capacitated plant location problems usually requires the development of specific software mainly when the problems are pure integer ones, standard mathematical programming codes being highly ...
  • A case study for the assessment of a dynamic passenger ride sharing mobility service 

    Linares Herreros, María Paz; Montero Mercadé, Lídia; Barceló Bugeda, Jaime; Casanovas Garcia, Josep; Carmona Bautista, Carlos; Serch, Oriol (2017)
    Conference report
    Restricted access - publisher's policy
    Sustainable mobility is not merely a technological question. While automotive technology will be part of the solution, it will also be combined with a paradigm shift from car ownership to vehicle usage, which itself will ...
  • A Cluster analysis of vote transitions 

    Puig Oriol, Xavier; Ginebra Molins, Josep (2014)
    Article
    Restricted access - publisher's policy
    To help settle the debate triggered the day after any election around the origin and destination of the vote of winners and losers, a Bayesian analysis of the results in a pair of consecutive elections is proposed. It is ...
  • Adaptividade e estimativas de erro orientadas por metas aplicadas a um benchmark test de propagação de onda 

    Steffens, Lindaura; Díez, Pedro; Parés Mariné, Núria; Alves, Marcelo Krajnc (2016-01-12)
    Article
    Open Access
    O objetivo deste artigo é estudar a eficiência e a robustez de técnicas adaptativas e estimativas de erro orientadas por metas para um benchmark test. As técnicas utilizadas aqui são baseadas em um simples pós-processo das ...
  • A Dynamic Stochastic Model For Balance Sheet Optimization 

    Barnils Sanchez, Armand (Universitat Politècnica de Catalunya / Illinois Institute of Technology, 2013)
    Bachelor thesis
    Restricted access - author's decision
    Covenantee:  Illinois Institute of Technology
  • Affectation de véhicules aux routes dans un système de transport multi-école 

    Cobes Moreno, Ana María; Corominas Subias, Albert (Universitat Politècnica de Catalunya. Centre de Càlcul, 1990)
    Article
    Open Access
    Este artículo describe una parte del sistema TRESCA para la organización del transporte escolar en Andorra. Una vez determinadas las rutas a ofrecer, conviene asignarles los vehículos para minimizar los costes. El algoritmo ...
  • A flexoelectric microelectromechanical system on silicon 

    Bhaskar, Umesh Kumar; Banerjee, Nirupam; Abdollahi Hosnijeh, Amir; Wang, Zhen; Scholm, Darrell G.; Rijnders, Guus; Catalan, Gustau (2016)
    Article
    Open Access
    Flexoelectricity allows a dielectric material to polarize in response to a mechanical bending moment and, conversely, to bend in response to an electric field. Compared with piezoelectricity, flexoelectricity is a weak ...
  • A fuzzy-evolutionary seller agent for an automatic negotiation framework on e-commerce 

    Manjacavas Ortíz, Ramón; Castro Sánchez, José Jesús; Moreno García, Juan (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2006)
    Article
    Open Access
    The business achievement via e-commerce is getting more important at the present time. E-commerce implies several activities. One of the most significant activity is the consummation of negotiations between sellers and ...
  • A GRASP algorithm for quota sequences with minimum work overload and forced interruption of operations in a mixed-product assembly line 

    Bautista Valhondo, Joaquín; Alfaro Pozo, Rocío (Springer, 2018-03-13)
    Article
    Open Access
    We present a GRASP algorithm to solve a problem that involves the sequencing of mixed products in an assembly line. The objective of the problem is to obtain a manufacturing sequence of models that generates a minimum work ...
  • Algebraic and parametric solvers for the power flow problem: towards real-time and accuracy-guaranteed simulation of electric systems 

    García Blanco, Raquel; Díez, Pedro; Borzacchiello, Domenico; Chinesta, Francisco (2018-11)
    Article
    Open Access
    The power flow model performs the analysis of electric distribution and transmission systems. With this statement at hand, in this work we present a summary of those solvers for the power flow equations, in both algebraic ...
  • Algoritmo del elipsoide interior para programación lineal 

    Salamanca Fernández, Ángel; Juan Ruiz, Jesús (Universitat Politècnica de Catalunya. Centre de Càlcul, 1991)
    Article
    Open Access
    En este artículo se desarrolla un algoritmo de puntos interiores para programación lineal a partir de consideraciones geométricas. En cada iteración del método se dispone de un punto interior al politopo. Con centro en ...
  • Algoritmos heurísticos deterministas y aleatorios en secuenciación de proyectos con recursos limitados 

    Álvarez-Valdés Olaguíbel, Ramón; Tamarit Goerlich, José Manuel (Universitat Politècnica de Catalunya. Centre de Càlcul, 1989)
    Article
    Open Access
    En este trabajo se estudia la eficiencia relativa de un conjunto de algoritmos heurísticos, deterministas y aleatorizados, para el problema de la secuenciación de proyectos con limitación de recursos. Se presentan los ...
  • 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 ...
  • A method of multiobjective decision making using a vector value function 

    Ríos Insúa, Sixto; González Pachón, Jacinto; Mateos, Alfonso (Institut d'Estadística de Catalunya, 1994)
    Article
    Open Access
    A decision situation with partial information on preferences by means of a vector value function is assumed. The concept of minimum value dispersion solution as a reference point joined with a pseudodistance function from ...
  • A model and an algorithm for the grouping problem in telecom networks 

    García, F.; Hackbarth, Klaus D. (Universitat Politècnica de Catalunya. Centre de Càlcul, 1991)
    Article
    Open Access
    This paper deals with the so called grouping problem which arises in telecommunication network optimization when transmission equipment with a certain hierarchy is used. It is shown how this problem is embedded in the ...
  • A model for opinion agreement and confidence in multi-expert multi-criteria decision making 

    Canfora, Gerardo; Troiano, Luigi (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2004)
    Article
    Open Access
    In multi-expert multi-criteria decision making problems, we often have to deal with different opinions, different importance of criteria and experts, missing data, unexpressed opinions and experts who are not fully ...
  • Amplitude of weighted majority game strict representations 

    Freixas Bosch, Josep; Puente del Campo, María Albina (Institut d'Estadística de Catalunya, 1999)
    Article
    Open Access
    Some real situations which may be described as weighted majority games can be modified when some players increase or decrease their weights and/or the quota is modified. Nevertheless, some of these modifications do not ...
  • Análisis del comportamiento bursátil en América, Europa y Asia desde el punto de vista temporal y espacial 

    Acuña González, Carlos Alberto (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2014-02)
    Master thesis
    Restricted access - author's decision
    En este trabajo final de máster se pretende analizar el comportamiento de los índices bursátiles utilizando técnica de series temporales y análisis espacial. Para realizar este análisis de divide el trabajo en dos partes, ...
  • Análisis del comportamiento de un fragmentador-concentrador de paquetes, modelo de cuanto finito 

    Vinyes Sanz, J.; Riera García, Juan B. (Universitat Politècnica de Barcelona. Centre de Càlcul, 1983-09)
    Article
    Open Access
    Se propone una disciplina de concentración que fragmenta mensajes en paquetes. Los requisitos del concentrador son los siguientes: a) Prioridad para los mensajes de tráfico interactivo o transaccional y b) Tiempos de ...