Exploració per tema "Fuzzy sets"

Ara es mostren els items 1-20 de 33

    • A decision making support tool: The resilience management fuzzy controller 

      González Cardenas, Rubén; Nebot Castells, M. Àngela; Múgica Álvarez, Francisco; Vellido Alcacena, Alfredo (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      In this paper a fuzzy controller capable to perform an automated estimation of the period of time necessary to recover a resilience level is proposed. Estimations where made by considering realistic time-dependent action ...

    • A fuzzy logic approach to assembly line 

      Fonseca, Daniel J.; Elam, Matthew; Karr, Charles L.; Guest, C.L. (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2005)
      Article
      Accés obert
      This paper deals with the use of fuzzy set theory as a viable alternative method for modelling and solving the stochastic assembly line balancing problem. Variability and uncertainty in the assembly line balancing ...

    • A fuzzy-based system for peer reliability in JXTA-overlay P2P considering number of interactions 

      Spaho, Evjola; Sakamoto, Shinji; Barolli, Leonard; Xhafa Xhafa, Fatos; Barolli, Valbona; Iwashige, Jiro (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Text en actes de congrés
      Accés obert
      The trustworthiness of peers is very important for safe communication in P2P system. In this paper, we propose a fuzzy-based reliability system for P2P Communications in JXTA-Overlay. We use three input parameters: Number ...

    • A hybrid evolutionary approach to intelligent system design 

      Badr, Amr; Farag, Ibrahim; Eid, Saad (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 1999)
      Article
      Accés obert
      The problem of developing a general methodology for system design has always been demanding. For this purpose, an evolutionary algorithm, adapted with design-specific representation data structures is devised. The ...

    • A map characterizing the fuzzy points and columns of a T-indistinguishability operator 

      Boixader Ibáñez, Dionís; Recasens Ferrés, Jorge (2005-10)
      Article
      Accés obert
      A new map (ΛE) between fuzzy subsets of a universe X endowed with a T-indistinguishability operator E is introduced. The main feature of ΛE is that it has the columns of E as fixed points, and thus it provides us with a ...

    • A proposal for climate change resilience management through fuzzy controllers 

      González Cárdenas, Rubén; Nebot Castells, M. Àngela; Múgica Álvarez, Francisco (SciTePress, 2016)
      Text en actes de congrés
      Accés obert
      We aim towards the implementation of a set of fuzzy controllers capable to perform automated estimation of the period of time necessary to recover a resilience level through the non-linear influence of a set of interrelated ...

    • A prospective fuzzy approach for the development of integral seismic risk scenarios for Barcelona, Spain 

      González Cárdenas, Rubén; Múgica Álvarez, Francisco; Nebot Castells, M. Àngela (SciTePress, 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      We create a set of synthetic seismic risk scenarios by combining stochastic seismic simulations with social fragility indicators by mean of a fuzzy Mamdani type inference nested-model. The original values of the social ...

    • Can a magic recipe foster university spin-off creation? 

      Berbegal Mirabent, Jasmina; Ribeiro-Soriano, Domingo Enrique; Sánchez García, José Luis (2015-11)
      Article
      Accés restringit per política de l'editorial
      This study examines factors that explain the creation of university spin-offs. The study focuses on mechanisms that technology transfer offices (TTOs) and universities employ to foster spin-offs. These mechanisms include ...

    • Comparison between composite index solution surfaces with fuzzy composite index decision surfaces 

      González Cárdenas, Rubén; Nebot Castells, M. Àngela; Múgica Álvarez, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés obert
      Composite indices are used in many of the traditional approaches to measure risk to natural hazards. However, such indices are often built assuming linear interdependencies between the aggregated components, comprising in ...

    • Development of a framework for the integration of real-time data in supply chain risk management using simulation tools 

      Valero Berjaga, Alvar (Universitat Politècnica de Catalunya / Technische Universität Dortmund, 2013)
      Treball Final de Grau
      Accés obert
      Realitzat a/amb:   Technische Universität Dortmund

    • Estimación holística del riesgo sísmico: nuevos enfoques 

      Carreño Tibaduiza, Martha Liliana; Cardona Arboleda, Omar Dario; Barbat Barbat, Horia Alejandro (Ediciones Uniandes, 2015)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The fuzzy set theory offers a bridge between the symbolic and numerical processing, allowing managing qualitative concepts useful in the decision-making process related to the seismic risk management and, in general, to ...

    • Evaluación preliminar de la vulnerabilidad sísmica de puentes en Bucaramanaga (Colombia) 

      Maldonado Rondón, Esperanza; Chio, G; Casas Rius, Joan Ramon; Canas Torres, José Antonio (AIBIS, 2001)
      Text en actes de congrés
      Accés obert
      Summary The focus of this paper is to develop a simple model to assess vulnerability of bridges, which was applied in Bucaramanga. This model was made especially for areas where current reports of seismic damages of ...

    • Evolutionary positioning of outsourcing in the local public administration 

      López i Carreras, Carlos; Linares Mustarós, Salvador; Viñas, Josep (OmniaScience, 2019-10)
      Article
      Accés obert
      Purpose: This work intends to establish a new methodology to quantitatively measure the initial position and evolution of outsourcing in a public administration. Design/methodology: Product of the generalization of a ...

    • FCR Method vs. IR Method: Comparative and intercultural analysis of two human behavior measurements applying extended Fuzzy Logic 

      Clavell Pi-Sunyer, Pau (Universitat Politècnica de Catalunya / Aichi Institute of Technology, 2008)
      Projecte/Treball Final de Carrera
      Accés restringit per acord de confidencialitat
      Realitzat a/amb:   Aichi Institute of Technology

    • Fuzzy heterogeneous neural networks for signal forecasting 

      Belanche Muñoz, Luis Antonio; Valdés Ramos, Julio José; Alquézar Mancho, René (Springer, 1998)
      Text en actes de congrés
      Accés obert
      Fuzzy heterogeneous neural networks are recently introduced models based on neurons accepting heterogeneous inputs (i.e. mixtures of numerical and non-numerical information possibly with missing data) with either crisp or ...

    • Fuzzy inputs and missing data in similarity-based heterogeneous neural networks 

      Belanche Muñoz, Luis Antonio; Valdés Ramos, Julio José (Springer, 1999)
      Text en actes de congrés
      Accés obert
      Fuzzy heterogeneous networks are recently introduced neural network models composed of neurons of a general class whose inputs and weights are mixtures of continuous variables (crisp and/or fuzzy) with discrete quantities, ...

    • Fuzzy Modeling Approach to On-Hand Stock Levels Estimation in (R, S) Inventory Systems with Lost Sales 

      Guijarro, Ester; Babiloni, Eugenia; Canós Darós, María José; Canós Darós, Lourdes; Estellés Miguel, Sofía (OmniaScience, 2020-12)
      Article
      Accés obert
      Purpose: One challenge in inventory control models is to know the stock available at the beginning of the cycle to satisfy future demands, i.e. to know the on-hand stock levels at order delivery. For inventory managers, ...

    • Fuzzy sets in computer vision: an overview 

      Sobrevilla Frisón, Pilar; Montseny Masip, Eduard (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2003)
      Article
      Accés obert
      Every computer vision level crawl with uncertainty, what makes its management a significant problem to be considered and solved when trying for automated systems for scene analysis and interpretation. This is why fuzzy set ...

    • Fuzzy short-run control charts 

      Fonseca, D. J.; Elam, M. E.; Tibbs, L. (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2007)
      Article
      Accés obert
      Statistical control charts are useful tools in monitoring the state of a manufacturing process. Control charts are used to plot process data and compare it to the limits set for the process. Points plotting outside these ...

    • Integration of Graph Theory and Matrix Approach with Fuzzy AHP for Equipment Selection 

      Fathi, Mohammad Reza; Safari, Hossein; Faghih, Alireza (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2013-07)
      Article
      Accés obert
      Purpose: The purpose of this paper is applying a new integrated method to equipment selection. Design/methodology/approach: In this paper, we proposed the new integrated approach. Proposed approach is based on fuzzy ...