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EMC testing of electricity meters using real-world and artificial current waveforms
(2021)
Article
Open AccessIn 2015, the energy measurement of some static electricity meters was found to be sensitive to specific conducted electromagnetic disturbances with very fast current changes caused by highly nonlinear loads, leading to ... -
Time and frequency domain characterization of switching losses in GaN FETs power converters
(Institute of Electrical and Electronics Engineers (IEEE), 2022-03)
Article
Open AccessThis work presents a methodology for the time-frequency characterization of the switching losses in Gallium Nitride Field Effect Transistors used in power electronics applications, particularly in DC-DC converters. Typically, ... -
Estimation of static energy meter interference in waveforms obtained in on-site scenarios
(2022-02)
Article
Open AccessStatic energy meters have shown errors beyond the standards due to conducted electromagnetic interference of pulsed currents. This was observed in several case studies and confirmed by laboratory experiments, which showed ... -
Minimally invasive lung tissue differentiation using electrical impedance spectroscopy: a comparison of the 3- and 4-electrode methods
(Institute of Electrical and Electronics Engineers (IEEE), 2021-12-28)
Article
Open AccessMultiple imaging techniques are used for the diagnosis of lung diseases. The choice of a technique depends on the suspected diagnosis. Computed tomography (CT) of the thorax and positron emission tomography (PET) are imaging ... -
Non-destructive test approach for assessing the amount of fibre in polymeric fibre reinforced concrete
(Elsevier, 2022-01)
Article
Open AccessOver the past decade, significant efforts have been made to develop polymeric-based macro-fibre reinforced concrete (PFRC) for structural applications. Consequently, remarkable growth has been reported in the use of this ... -
Phase angle by electrical bioimpedance is a predictive factor of hospitalisation, falls and mortality in patients with cirrhosis
(Nature, 2021-10-14)
Article
Open AccessThe phase angle is a versatile measurement to assess body composition, frailty and prognosis in patients with chronic diseases. In cirrhosis, patients often present alterations in body composition that are related to adverse ... -
A non-contact camera-based method for respiratory rhythm extraction
(2021-04)
Article
Open AccessThe aim of this work is to present a non-contact video-based method for respiratory rhythm extraction. The method makes use of a consumer-grade RGB camera, and it is based on computer vision algorithms to detect and track ... -
Simultaneous electrical and mechanical stimulation to enhance cells' cardiomyogenic potential
(2019-01-18)
Article
Restricted access - publisher's policyCardiovascular diseases are the leading cause of death in developed countries. Consequently, the demand for effective cardiac cell therapies has motivated researchers in the stem cell and bioengineering fields to develop ... -
Altered GDF15 and FGF21 levels in response to strenuous exercise: a study in marathon runners
(2020-11-19)
Article
Open AccessBackground: Recreational marathon runners face strong physiological challenges. Assessment of potential biomarkers for the biological responses of runners will help to discriminate individual race responsiveness and their ... -
Conductive concrete made from recycled carbon fibres for self-heating and de-icing applications in urban furniture
(Instituto Técnico de la Construcción y del Cemento, 2020-09)
Article
Open AccessThis paper presents a broad experimental study performed at laboratory and industrial facilities to develop conductive concrete for self-heating and de-icing applications in urban furniture. Self-heating capacity is achieved ... -
Mixed integration of CDIO skills into telecommunication engineering curricula
(2010)
Article
Open AccessSpain has been intensively involved in designing engineering curricula for the last two years and next academic year all engineering schools will be deploying all bachelor programs adapted to the EHEA and to the Spanish ...