Recent Submissions

  • Wearable sensors for respiration monitoring: a review 

    Hussain, Tauseef; Ullah, Sana; Fernández García, Raúl; Gil Galí, Ignacio (Multidisciplinary Digital Publishing Institute (MDPI), 2023-08-30)
    Article
    Open Access
    This paper provides an overview of flexible and wearable respiration sensors with emphasis on their significance in healthcare applications. The paper classifies these sensors based on their operating frequency distinguishing ...
  • Ultra-high input impedance buffer for dry or capacitive electrodes: design and characterization for industry 

    Camós Vidal, Robert; Rosell Ferrer, Francisco Javier (Institute of Electrical and Electronics Engineers (IEEE), 2023-07-04)
    Article
    Open Access
    A large number of health and wellness applications wish to monitor electrocardiogram signal (ECG) in the least intrusive way possible. The use of dry textile electrodes with high input impedance bio-amplifiers is a common ...
  • Implementation of grid-connected wind energy during fault analysis using moth flame optimization with firebug swarm optimization 

    Bandahalli Mallappa, Prasad Kumar; Martínez García, Herminio; Velasco Quesada, Guillermo (2023-07-01)
    Article
    Open Access
    In modern trends, the voltage profile has become increasingly critical when incorporating wind turbine energy sources because of changes in fault ride-through capabilities throughout voltage reaction. Ripple, voltage ...
  • MATLAB® modeling of a microgrid: towards a vision based on entropy balance 

    Khan, Ameer Abdullah; Martínez García, Herminio; Cuadras Tomàs, Àngel (2023-07-01)
    Article
    Open Access
    A microgrid is defined as the link of consumer loads and decentralized energy assets with the ability to control the entire system as a whole. The modeling of an electromagnetic microgrid is discussed in this work to analyze ...
  • An energy-efficient GeMM-based convolution accelerator with on-the-fly im2col 

    Fornt Mas, Jordi; Fontova Muste, Pau; Caro Roca, Martí; Abella Ferrer, Jaume; Moll Echeto, Francisco de Borja; Altet Sanahujes, Josep; Studer, Christoph (2023-06-27)
    Article
    Open Access
    Systolic array architectures have recently emerged as successful accelerators for deep convolutional neural network (CNN) inference. Such architectures can be used to efficiently execute general matrix–matrix multiplications ...
  • An Easy-to-use hand-to-hand impedance-based sensor to obtain carotid pulse arrival time 

    Hernández Urrea, Marc; Casanella Alonso, Ramón; Casas Piedrafita, Óscar; Javierre Garcés, Casimiro (2023-03-01)
    Article
    Open Access
    Pulse arrival times (PATs) are time intervals between the electrocardiogram (ECG) and an arterial pulse wave (APW) widely used to obtain cuffless blood pressure (BP). Although some distal APWs can be easily measured using, ...
  • Quantitative and qualitative risk-informed energy investment for industrial companies 

    Urbano González, Eva María; Martínez Viol, Víctor; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (Elsevier, 2023-12)
    Article
    Open Access
    In the ongoing energy transition, small and medium-sized industrial companies are making energy equipment investments due to the obsolescence of their current equipment as well as social, political and market pressures. ...
  • Rogowski coil sensors for measuring lightning strike currents on mechanical aircraft joints 

    Solé Lloveras, Jordi; Azpúrua Auyanet, Marco Aurelio; Quílez Figuerola, Marcos; Silva Martínez, Fernando (2023-01-10)
    Article
    Open Access
    The study of currents flowing through the fuselage of an airplane is of vital importance from the standpoint of electromagnetic compatibility due to their potential for causing severe failures on embedded systems. Direct ...
  • Unconventional computing with memristive nanocircuits 

    Tsipas, Evangelos; Chatzinikolaou, Theodoros Panagiotis; Tsakalos, Karolos-Alexandros; Rallis, Konstantinos; Karamani, Rafallia; Fyrigos, Iosif-Angelos; Kitsios, Stavros; Bousoulas, Panagiotis; Tsoukalas, Dimitris; Sirakoulis, Georgios Ch. (Institute of Electrical and Electronics Engineers (IEEE), 2022-12-01)
    Article
    Restricted access - publisher's policy
    Computing demands are growing rapidly as bigdata and artificial intelligence applications become increasingly tasking. Bio-inspired and quantum-based techniques are proving to be quite promising for the development of novel ...
  • Unconventional memristive nanodevices 

    Tsipas, Evangelos; Chatzinikolaou, Theodoros Panagiotis; Tsakalos, Karolos-Alexandros; Rallis, Konstantinos; Karamani, Rafallia; Fyrigos, Iosif-Angelos; Kitsios, Stavros; Bousoulas, Panagiotis; Tsoukalas, Dimitris; Sirakoulis, Georgios Ch. (Institute of Electrical and Electronics Engineers (IEEE), 2022-12-01)
    Article
    Restricted access - publisher's policy
    One of the most enticing candidates for next-generation computing systems is the memristor. Memristor-based novel architectures have demonstrated considerable promise in replacing or augmenting traditional computing platforms ...
  • An automotive case study on the limits of approximation for object detection 

    Caro Roca, Martí; Tabani, Hamid; Abella Ferrer, Jaume; Moll Echeto, Francisco de Borja; Morancho Llena, Enrique; Canal Corretger, Ramon; Altet Sanahujes, Josep; Calomarde Palomino, Antonio; Cazorla Almeida, Francisco Javier; Rubio Romano, Antonio; Fontova Muste, Pau; Fornt Mas, Jordi (2023-05)
    Article
    Restricted access - publisher's policy
    The accuracy of camera-based object detection (CBOD) built upon deep learning is often evaluated against the real objects in frames only. However, such simplistic evaluation ignores the fact that many unimportant objects ...
  • Polymeric interlayer in CdS-Free electron-selective contact for Sb2Se3 thin-film solar cells 

    Rovira Ferrer, David; Ros Costals, Eloi; Tom, Thomas; Jiménez Guerra, Maykel; Asensi López, José Miguel; Voz Sánchez, Cristóbal; Lopez Vidrier, Julià; Puigdollers i González, Joaquim; Bertomeu Balagueró, Joan; Saucedo Silva, Edgardo Ademar (2023-02-04)
    Article
    Open Access
    High open-circuit voltage in Sb2Se3 thin-film solar cells is a key challenge in the development of earth-abundant photovoltaic devices. CdS selective layers have been used as the standard electron contact in this technology. ...

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