Ara es mostren els items 5-16 de 16

    • Effects of the pre-processing algorithms in fault diagnosis of wind turbines 

      Marti Puig, Pere; Blanco Martínez, Alejandro; Cárdenas Araújo, Juan José; Cusidó Roura, Jordi; Sole Casals, Jordi (Elsevier, 2018-12)
      Article
      Accés obert
      The wind sectors pends roughly 2200M€ in repair the wind turbines failures. These failures do not contribute to the goal of reducing greenhouse gases emissions. The 25–35% of the generation costs are operation and maintenance ...
    • Energy management systems by means of computational intelligence algorithms 

      Cárdenas Araújo, Juan José; Romeral Martínez, José Luis; García, A. (Universitat Politècnica de Catalunya, 2010)
      Text en actes de congrés
      Accés obert
      This work pretends to take advantage of powerful capabilities of computational intelligence to improve the actual features of modeling, prognosis, diagnosis and optimization of load demand for EMS. This work gives a ...
    • Evolutive ANFIS training for energy load profile forecast for an IEMS in an automated factory 

      Cárdenas Araújo, Juan José; García Espinosa, Antonio; Romeral Martínez, José Luis; Kampouropoulos, Konstantinos (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper an evolutive algorithm is used to train an adaptative-network-based fuzzy inference system (ANFIS), particularly a genetic algorithm (GA). The GA is able to train the antecedent and consequent parameters of ...
    • Feature Selection Algorithms for Wind Turbine Failure Prediction 

      Marti Puig, Pere; Blanco Martínez, Alejandro; Cárdenas Araújo, Juan José; Cusidó Roura, Jordi; Sole Casals, Jordi (2019-01-31)
      Article
      Accés obert
      It is well known that each year the wind sector has profit losses due to wind turbine failures and operation and maintenance costs. Therefore, operations related to these actions are crucial for wind farm operators and ...
    • Load forecasting in the user side using wavelet-ANFIS 

      Giacometto Torres, Francisco; Cárdenas Araújo, Juan José; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      At present, the intelligent energy management systems (IEMS) are used to maximiz the relation between productivity and cost using a variety of energy sources. Tn this work, we present a meth ...
    • Load forecasting on the user‐side by means of computational intelligence algorithms 

      Cárdenas Araújo, Juan José (Universitat Politècnica de Catalunya, 2013-07-11)
      Tesi
      Accés obert
      Nowadays, it would be very difficult to deny the need to prioritize sustainable development through energy efficiency at all consumption levels. In this context, an energy management system (EMS) is a suitable option for ...
    • Multidimensional intelligent diagnosis system based on support vector machines classifier 

      Delgado Prieto, Miquel; Ortega Redondo, Juan Antonio; García Espinosa, Antonio; Cárdenas Araújo, Juan José; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Heding the diagnostic requirements of electromechanical systems applied in automotive and aeronautical sectors, a multidimensional diagnostic system based on Support Vector Machine classifier is presented in this paper. ...
    • New model of a converter-based generator using electrostatic synchronous machine concept 

      Andrade Rengifo, Fabio; Romeral Martínez, José Luis; Cusidó Roura, Jordi; Cárdenas Araújo, Juan José (2014-06-01)
      Article
      Accés restringit per política de l'editorial
      In this paper, a new method for modeling converter-based power generators in ac-distributed systems is proposed. It is based on the concept of electrostatic synchronous machines. With this new concept, it is possible to ...
    • Stator short circuits detection in PMSM by means of higher order spectral analysis (HOSA) 

      Rosero García, Javier Alveiro; Ortega Redondo, Juan Antonio; Urresty Betancourt, Julio César; Cárdenas Araújo, Juan José; Romeral Martínez, José Luis (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Text en actes de congrés
      Accés obert
      This paper presents and analyzed short circuit failures for Permanent Magnet Synchronous Motor (PMSM). The study includes stated and dynamic condition for experimental and simulation test. The stator current is analyzed ...
    • STLF in the user-side for an iEMS based on evolutionary training of adaptive networks 

      Cárdenas Araújo, Juan José; Giacometto Torres, Francisco; García Espinosa, Antonio; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      It is a fact that the short-term load forecasting (STLF)in the user side is growing interest. Consequently, intelligent energy management systems (iEMSs) are including this capability in order to take autonomous decisions. ...
    • Study of transient stability for parallel connected inverters in microgrid system works in stand-alone 

      Andrade Rengifo, Fabio; Cusidó Roura, Jordi; Romeral Martínez, José Luis; Cárdenas Araújo, Juan José (2011)
      Text en actes de congrés
      Accés obert
      Distributed generators systems and Microgrid are becoming more important to increase the renewable energy penetration in the public utility. This paper presents a mathematical model for connected inverters in Microgrid ...
    • Wind fleet generator fault detection via SCADA alarms and autoencoders 

      Beretta, Mattia; Cárdenas Araújo, Juan José; Koch, Cosmin; Cusidó Roura, Jordi (Multidisciplinary Digital Publishing Institute, 2020-12)
      Article
      Accés obert
      A hybrid health monitoring system for wind turbine generators is introduced. The novelty of this research consists in approaching a 115-wind turbine fleet by using the fusion of multiple sources of information. Analog SCADA ...