Now showing items 1-20 of 62

    • 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
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference lecture
      Restricted access - publisher's policy
      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
      Open Access
      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 ...
    • 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
      Open Access
      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
      Open Access
      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 ...
    • 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)
      Doctoral thesis
      Open Access
      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 ...
    • 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
      Open Access
      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
      Restricted access - publisher's policy
      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)
      Conference lecture
      Open Access
      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)
      Conference lecture
      Restricted access - publisher's policy
    • 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
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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
      Open Access
      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
      Open Access
      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 ...
    • DC-DC buck converter parameter identification based on a white-box approach 

      Balakrishnan, Hariharan; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger; Bogarra Rodríguez, Santiago; García Espinosa, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference lecture
      Open Access
      This paper proposes to use a white-box approach to identify the parameters of an electronic DC-DC buck converter. It discretizes the differential equations governing the dynamic of such system, which are used to identify ...
    • Detailed off-line parameter identification of synchronous generator based on frequency response tests 

      Bogarra Rodríguez, Santiago; García Espinosa, Antonio; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Conference lecture
      Open Access
      This work presents a general methodology, based on standstill frequency response tests. Once the circuit topology is chosen, it allows a systematic calculation of the circuit parameters for a salient pole synchronous ...
    • Diseño de un balloon car para la evaluación de sistemas avanzados de ayuda a la conducción 

      Gallegos Díez, David; Liesa Mestres, Francisco; Moreno Eguilaz, Juan Manuel (2011)
      Conference report
      Restricted access - publisher's policy
      En los últimos años, los sistemas avanzados de ayuda a la conducción (ADAS) representan una de las principales líneas de investigación y desarrollo dentro del sector de automoción. Estos sistemas se incluyen dentro del ...
    • Drive cycle identification and energy demand estimation for refuse-collecting vehicles 

      Soriano Alfonso, Franciso; Moreno Eguilaz, Juan Manuel; Álvarez Flórez, Jesús Andrés (2014-12-18)
      Article
      Restricted access - publisher's policy
      Drive cycle identification and future energy-demand prediction are advantageous when developing hybrid propulsion systems. They are applicable to vehicles that are driven along the same route everyday such as buses, ...
    • Estimation of fuel consumption in a hybrid electric refuse collector vehicle using a real drive cycle 

      Cortez, Ernest; Moreno Eguilaz, Juan Manuel; Soriano, Francisco; Sala Cardoso, Enric (IEEE Press, 2016)
      Conference report
      Open Access