Now showing items 1-20 of 36

    • A comparison study between two fuzzy-based trustworthiness systems for P2P networks 

      Umezaki, Kouhei; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Matsuo, Keita; Iwashige, Jiro (2012)
      Conference report
      Restricted access - publisher's policy
      In P2P systems, evaluation of trustworthiness of the peers is very important for a safe communication. In order to decide the peer trustworthiness different parameters are needed. In this paper, we propose two fuzzy-based ...
    • A comparison study for two fuzzy-based systems: improving reliability and security of JXTA-overlay P2P platform 

      Liu, Yi; Sakamoto, Shinji; Matsuo, Keita; Ikeda, Makoto; Barolli, Leonard; Xhafa Xhafa, Fatos (Springer, 2016-07-01)
      Article
      Open Access
      The reliability of peers is very important for safe communication in peer-to-peer (P2P) systems. The reliability of a peer can be evaluated based on the reputation and interactions with other peers to provide different ...
    • A fuzzy-based call admission control system for wireless cellular networks 

      Barolli, Leonard; Xhafa Xhafa, Fatos; Durresi, Arjan; Koyama, Akio (Institute of Electrical and Electronics Engineers (IEEE), 2007)
      Conference report
      Open Access
      The mobile cellular systems are expected to support multiple services with guaranteed quality of service (QoS). However, the ability of wireless systems to accommodate expected growth of traffic load and broadband services ...
    • A map characterizing the fuzzy points and columns of a T-indistinguishability operator 

      Boixader Ibáñez, Dionís; Recasens Ferrés, Jorge (2005-10)
      Article
      Open Access
      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 model predictive control-based energy management scheme for hybrid storage system in islanded microgrids 

      Raveendran Nair, Unnikrishnan; Costa Castelló, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2020-05-21)
      Article
      Open Access
      Model predictive control (MPC) facilitates online optimal resource scheduling in electrical networks, thermal systems, water networks, process industry to name a few. In electrical systems, the capability of MPC can be ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • An integrated fuzzy-based trustworthiness system for P2P communications in JXTA-overlay 

      Umezaki, Kouhei; Spaho, Evjola; Barolli, Leonard; Xhafa Xhafa, Fatos; Younas, Muhammad; Iwashige, Jiro (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Conference report
      Restricted access - publisher's policy
    • Analog VLSI implementation of kernel-based classifiers 

      Verleysen, Michel; Thissen, P.; Madrenas Boadas, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 1994)
      Conference report
      Open Access
      Kernel-based classifiers are neural networks (radial basis functions) where the probability densities of each class of data are first estimated, to be used thereafter to approximate Bayes boundaries between classes. Such ...
    • Assymptotic performance of hierarchical fuzzy interference cancellers for CDMA 

      Pérez Neira, Ana Isabel; Bas, J. (2003)
      Conference report
      Open Access
      This paper presents a hierarchical fuzzy logic canceller that suppresses digital and/or analog interference from a CDMA signal. The optimum filter to remove them is the Conditional Mean Estimator (CME) or the MAP detector ...
    • 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)
      Conference lecture
      Open Access
      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
      Open Access
      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)
      Conference lecture
      Open Access
      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)
      Conference report
      Open Access
      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
      Open Access
      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
      Restricted access - publisher's policy
      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
      Open Access
      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 ...
    • 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
      Open Access
      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)
      Conference report
      Open Access
    • 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
      Open Access
      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)
      Conference report
      Open Access
      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. ...