Ara es mostren els items 1-20 de 76

    • A deep learning-based modeling of a 270 V -to- 28 V DC-DC converter used in more electric aircrafts 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2021-07-21)
      Article
      Accés obert
      This paper presents a novel approach for black-box modelling of 270 V -to- 28 V DC-DC step-down converters used in more electric aircrafts (MEA). These converters normally feed constant power loads (CPL). The proposed deep ...
    • A novel AC-AC converter based SiC for domestic induction cooking applications 

      Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the analysis and design of a new high frequency ac-ac converter applied to domestic induction heating. The proposed topology uses only four switches to control power. Converter operation is same as a ...
    • A simple and robust method for open switch fault detection in power converters 

      Salehifar, Mehdi; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      In this paper, a new fault detection method based on signal normalization using a simple trigonometric function is presented and applied to a five phase converter for fault tolerant application under nonsinusoidal unbalanced ...
    • Advanced methodology for the optimal sizing of the energy storage system in a hybrid electric refuse collector vehicle using real routes 

      Cortez, Ernest; Moreno Eguilaz, Juan Manuel; Soriano Alfonso, Franciso (Multidisciplinary Digital Publishing Institute (MDPI), 2018-11-24)
      Article
      Accés obert
      This paper presents a new methodology for optimal sizing of the energy storage system ( ESS ), with the aim of being used in the design process of a hybrid electric (HE) refuse collector vehicle ( RCV ). This methodology ...
    • Analysing the influence of geometry and pressure on corona discharges 

      Riba Ruiz, Jordi-Roger; Bas Calopa, Pau; Moreno Eguilaz, Juan Manuel (2022-06-14)
      Article
      Accés obert
      In this work, the authors propose an experiment aimed for undergraduate laboratories with the aim of introducing different novelties as a topic for practical sessions or student projects. The topics here investigated are ...
    • Analysis and mitigation of stray capacitance effects in resistive high-voltage dividers 

      Riba Ruiz, Jordi-Roger; Capelli, Francesca; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2019-06-14)
      Article
      Accés obert
      This work analyzes the effects of the parasitic or stray distributed capacitance to ground in high-voltage environments and assesses the effectiveness of different corrective actions to minimize such effects. To this ...
    • Analysis of a smart sensor based solution for smart grids real-time dynamic thermal line rating 

      Liu, Yuming; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Sanllehí Muñoz, Josep (Multidisciplinary Digital Publishing Institute (MDPI), 2021-11-06)
      Article
      Accés obert
      Dynamic thermal line rating (DTLR) allows us to take advantage of the maximum transmission capacity of power lines, which is an imperious need for future smart grids. This paper proposes a real-time method to determine the ...
    • Analyzing the effect of dynamic pressure drop on corona discharges for aircraft applications 

      Bas Calopa, Pau; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2023-03-22)
      Article
      Accés obert
      The combination of the low-pressure environment found in aircraft systems and the gradual electrification of aircraft increases the risk of electrical discharges occurrence. This is an undesirable situation that compromises ...
    • Aportaciones a la optimización de energía en accionamientos eléctricos de motores de inducción mediante lógica difusa 

      Moreno Eguilaz, Juan Manuel (Universitat Politècnica de Catalunya, 1997-05-30)
      Tesi
      Accés obert
      El motor de inducción, es sin duda alguna, el más empleado en la industria actualmente y tiene un alto rendimiento en condiciones nominales. Sin embargo, con cargas ligeras, las pérdidas en el hierro reducen drásticamente ...
    • Application of Thermoelectric Generators for Low-Temperature-Gradient Energy Harvesting 

      Liu, Yuming; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Sanllehí Muñoz, Josep (Multidisciplinary Digital Publishing Institute, 2023-02-17)
      Article
      Accés obert
      Thermoelectric generators (TEGs) convert a temperature difference into useful direct current (DC) power. TEGs are solid-state semiconductor devices that are generating a lot of interest for energy harvesting purposes in ...
    • Apunts Electrònica ETSEIB 

      Busquets Monge, Sergio; Lupón Roses, Emilio; Lamaison Urioste, Rafael; Carrasco, Juan A.; Balado Suárez, Luz María; Gómez Pau, Álvaro; Manich Bou, Salvador; Santos Miranda, José Antonio; Moreno Eguilaz, Juan Manuel (Universitat Politècnica de Catalunya, 2022-09-06)
      Apunts
      Accés obert
    • Arc fault protections for aeronautic applications: a review identifying the effects, detection methods, current progress, limitations, future challenges, and research needs 

      Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Ortega Redondo, Juan Antonio (2022-01-11)
      Article
      Accés obert
      Arc faults are serious discharges, damaging insulation systems and triggering electrical fires. This is a transversal topic, affecting from residential to aeronautic applications. Current commercial aircrafts are being ...
    • Arc tracking control in insulation systems for aeronautic applications: challenges, opportunities, and research needs 

      Riba Ruiz, Jordi-Roger; Gómez Pau, Álvaro; Moreno Eguilaz, Juan Manuel; Bogarra Rodríguez, Santiago (Multidisciplinary Digital Publishing Institute (MDPI), 2020-03-16)
      Article
      Accés obert
      Next generation aircrafts will use more electrical power to reduce weight, fuel consumption, system complexity and greenhouse gas emissions. However, new failure modes and challenges arise related to the required voltage ...
    • Black-box modeling of DC-DC converters based on wavelet convolutional neural networks 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (2021-07-19)
      Article
      Accés obert
      This paper presents an offline deep learning approach focused to model and identify a 270 V-to-28 V DC-DC step-down converter used in on-board distribution systems of more electric aircrafts (MEA). Manufacturers usually ...
    • Black-box modelling of a DC-DC buck converter based on a recurrent neural network 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Kadechkar, Akash; Gómez Pau, Álvaro (Institute of Electrical and Electronics Engineers (IEEE), 2020)
      Comunicació de congrés
      Accés obert
      Neural network; Power converter; Training; Prediction; System identification; Black-box model
    • Characteristics of Induction Motor Drives with Torque Maximization in Field Weakening Region 

      Pryymak, Bogdan; Moreno Eguilaz, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Comunicació de congrés
      Accés restringit per política de l'editorial
    • Characterizing the temperature dependence of the contact resistance in substation connectors 

      Riba Ruiz, Jordi-Roger; Martínez Reyes, Jimmy Arturo; Moreno Eguilaz, Juan Manuel; Capelli, Francesca (Elsevier, 2021-04)
      Article
      Accés obert
      The electrical resistance, and in particular, the electrical contact resistance (ECR), plays a critical role in the electrical and thermal behaviors of substation connectors. Despite its impact, there are very few research ...
    • Clamping diode caused distortion in multilevel NPC Full-Bridge audio power amplifiers 

      Sala Caselles, Vicenç; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Salehifar, Mehdi; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents a study and analysis of the distorting effects of clamped diodes in multilevel DCI-NPC topology applied to high power and high quality audio-amplifier. The main distorting sources of error are characterized, ...
    • CNN-LSTM-based prognostics of bidirectional converters for electric vehicles’ machine 

      Rojas Dueñas, Gabriel; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-26)
      Article
      Accés obert
      This paper proposes an approach to estimate the state of health of DC-DC converters that feed the electrical system of an electric vehicle. They have an important role in providing a smooth and rectified DC voltage to ...
    • Corona discharge characteristics under variable frequency and pressure environments 

      Bas Calopa, Pau; Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel (Multidisciplinary Digital Publishing Institute (MDPI), 2021-10-08)
      Article
      Accés obert
      More electric aircrafts (MEAs) are paving the path to all electric aircrafts (AEAs), which make a much more intensive use of electrical power than conventional aircrafts. Due to the strict weight requirements, both MEA and ...