Exploració per tema "Fuzzy systems"

Ara es mostren els items 11-30 de 43

    • Charting perceptual spaces with fuzzy rules 

      Paz Ortiz, Alejandro Iván; Nebot Castells, M. Àngela; Romero Merino, Enrique; Múgica Álvarez, Francisco (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés obert
      Algorithmic music nowadays performs domain specific tasks for which classical algorithms do not offer optimal solutions or require user's expertise. Among these tasks is the extraction of models from data that offer an ...

    • Closed-loop controller for eliminating the contact bounce in DC core contactors 

      García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Cusidó Roura, Jordi; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis (2010-09)
      Article
      Accés obert
      The undesirable phenomenon of the contact bounce causes severe erosion of the contacts and, as a consequence, their electrical life and reliability are greatly reduced. On the other hand, the bounce of the armature can ...

    • 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 ...

    • Contextual confidence measures for continuous speech recognition 

      Hernández-Abrego, G; Mariño Acebal, José Bernardo (Institute of Electrical and Electronics Engineers (IEEE), 2000)
      Text en actes de congrés
      Accés obert
      This paper explores the repercussion of contextual information into confidence measuring for continuous speech recognition results. Our approach comprises three steps: to extract confidence predictors out of recognition ...

    • Energy performance forecasting of residential buildings using fuzzy approaches 

      Nebot Castells, M. Àngela; Múgica Álvarez, Francisco (2020-01-20)
      Article
      Accés obert
      The energy consumption used for domestic purposes in Europe is, to a considerable extent, due to heating and cooling. This energy is produced mostly by burning fossil fuels, which has a high negative environmental impact. ...

    • Estimating the horizon of predictability in time-series predictions using inductive modelling tools 

      López Herrera, Josefina; Cellier, François E.; Cembrano Gennari, Gabriela (2011)
      Article
      Accés restringit per política de l'editorial
      This paper deals with the assessment of how far into the future a time series can be safely predicted using inductive modelling and extrapolation techniques. Three different time series representing the water demand of the ...

    • Evaluation of Pull Production Control Strategies Under Uncertainty: An Integrated Fuzzy Ahp-Topsis Approach 

      Torkabadi, Aydin M.; Mayorga, Rene V. (OmniaScience, 2018-03)
      Article
      Accés obert
      Purpose: Just-In-Time (JIT) production has continuously been considered by industrial practitioners and researchers as a leading strategy for the yet popular Lean production. Pull Production Control Policies (PPCPs) are ...

    • Fault detection using data-driven LPV state estimation based on structural analysis and ANFIS 

      Fang, Xin; Blesa Izquierdo, Joaquim; Puig Cayuela, Vicenç (2023)
      Text en actes de congrés
      Accés obert
      This paper presents a data-driven fault detection method combining structural analysis (SA) and machine learning data-driven algorithms. Given a graphic (or textual) system description and the available inputs/outputs ...

    • Fault-tolerant control of a service robot 

      San Miguel Tello, Alberto; Puig Cayuela, Vicenç; Alenyà Ribas, Guillem (IET Digital Library, 2020)
      Capítol de llibre
      Accés restringit per política de l'editorial
      In this chapter, the problem of fault-tolerant control of a service robot is addressed. The proposed approach is based on using a fault estimation scheme based on an Robust Unknown-Input Observer (RUIO) that allows to ...

    • Forest fire forecasting using fuzzy logic models 

      Nebot Castells, M. Àngela; Múgica Álvarez, Francisco (2021-07-29)
      Article
      Accés obert
      In this study, we explored hybrid fuzzy logic modelling techniques to predict the burned area of forest fires. Fast detection is crucial for successful firefighting, and a model with an accurate prediction ability is ...

    • Fuzzy approach for data association in image tracking 

      García, Jesús; Molina, José Manuel; Besada, Juan Alberto; Portillo García, Javier Ignacio (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2003)
      Article
      Accés obert
      A fuzzy system has been developed to ponder update decisions both for the trajectories and shapes estimated for targets. It is embedded in an A-SMGCS Surveillance function for airport surface, based on video data processing, ...

    • Fuzzy controller for the yaw and velocity control of the Guanay II AUV 

      González Agudelo, Julián; Gomáriz Castro, Spartacus; Batlle Arnau, Carles; Galarza, Cesar (2015)
      Text en actes de congrés
      Accés obert

    • Fuzzy expert system for the detection of episodes of poor water quality through continuous measurement 

      Angulo Bahón, Cecilio; Cabestany Moncusí, Joan; Rodríguez, Pablo; Batlle, Montserrat; González, Antonio; de Campos, Sergio (2012)
      Article
      Accés obert
      In order to prevent and reduce water pollution, promote a sustainable use, protect the environment and enhance the status of aquatic ecosystems, this article deals with the application of advanced mathematical techniques ...

    • Fuzzy gain scheduling based grid synchronization system responsive to the electrical network conditions 

      Rouzbehi, Kumars; Luna Alloza, Álvaro; Rocabert Delgado, Joan; Catalán, Pedro; Rodríguez Cortés, Pedro (2018)
      Text en actes de congrés
      Accés obert
      In power conversion applications grid synchronization systems should face very different network operating conditions such as: generic grid connection, faulty or distorted scenarios or islanded conditions among others. ...

    • Fuzzy heterogeneous neurons for imprecise classification problems 

      Valdés Ramos, Julio José; Belanche Muñoz, Luis Antonio; Alquézar Mancho, René (Wiley, 2000-02)
      Article
      Accés obert
      In the classical neuron model, inputs are continuous real-valued quantities. However, in many important domains from the real world, objects are described by a mixture of continuous and discrete variables, usually containing ...

    • Fuzzy inductive reasoning forecasting strategies able to cope with missing data: A smart grid application 

      Jurado Gómez, Sergio; Nebot Castells, M. Àngela; Múgica Álvarez, Francisco; Mihaylov, Mihail (2017-02)
      Article
      Accés obert
      Dealing with missing data is of great practical and theoretical interest in forecasting applications. In this study, we deal with the problem of forecasting with missing data in smart grid and BEMS applications, where the ...

    • Fuzzy jump wavelet neural network based on rule induction for dynamic nonlinear system identification with real data applications 

      Isfahani, Mohsen Kharazihai; Zekri, Maryam; Marateb, Hamid Reza; Mañanas Villanueva, Miguel Ángel (Public Library of Science (PLOS), 2019-01-01)
      Article
      Accés obert
      Aim Fuzzy wavelet neural network (FWNN) has proven to be a promising strategy in the identification of nonlinear systems. The network considers both global and local properties, deals with imprecision present in sensory ...

    • Fuzzy systems and neural networks XML schemas for soft computing 

      Rodríguez de Soto, Adolfo; Capdevila, Conrado A.; Fernandez, Eva Cuervo (Universitat Politècnica de Catalunya. Secció de Matemàtiques i Informàtica, 2003)
      Article
      Accés obert
      This article presents an XML[2] based language for the specification of objects in the Soft Computing area. The design promotes reuse and takes a compositional approach in which more complex constructs are built from simpler ...

    • Genetic algorithm for project time-cost optimization in fuzzy environment 

      Haque, Khan Md. Ariful; Hasin, Md. Ahsan Akhtar (School of Industrial and Aeronautic Engineering of Terrassa (ETSEIAT). Universitat Politècnica de Catalunya (UPC), 2012-12)
      Article
      Accés obert
      Purpose: The aim of this research is to develop a more realistic approach to solve project time-cost optimization problem under uncertain conditions, with fuzzy time periods. Design/methodology/approach: Deterministic ...

    • Identification of Raman spectra through a case-based reasoning system: application to artistic pigments 

      Castanys, M.; Pérez Pueyo, Rosanna; Soneira Ferrando, M. José; Colominas Golobardes, Manuel; Fornells, A. (2011-07)
      Article
      Accés restringit per política de l'editorial
      This paper presents a methodology conceived as a support system to identify unknown materials by means of the automatic recognition of their Raman spectra. Initially, the design and implementation of the system were framed ...