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Surface modification of polytetrafluoroethylene thin films by non-coherent UV light and water treatment for electrowetting applications
(2020-12-01)
Article
Restricted access - publisher's policyThe electrowetting on dielectric or EWOD phenomenon is used in a wide range of applications, such as Liquid Lenses, Lab-on-Chip devices, or EWOD displays, among others. Its chemical resistance, electrical stability, ease ... -
Comparative analysis of SVM techniques for a five-phase VSI based on SiC devices
(2020-12-14)
Article
Open AccessMultiphase systems provides benefits compared to three-phase systems, such as improved torque per ampere, high power density, better fault tolerance, lower current per phase (due to power-splitting among a higher number ... -
Low-cost high-sensitive suns-Voc measurement instrument to characterize c-Si solar cells
(2020-09-01)
Article
Open AccessMeasuring open-circuit voltage (Voc) vs. light intensity (Suns) in solar cells permits the access of cell performance without the series resistance effect. This work shows the implementation of a Suns-Voc measurement system ... -
Experimental analysis of fabric substrate on a moisture sensor
(2020-06-15)
Article
Open AccessIn this work, an embroidered textile moisture sensor is proposed and characterized with three different fabric substrates. The sensors are based on a capacitive interdigitated structure embroidered on a textile substrate ... -
Trends in power quality, harmonic mitigation and standards for light and heavy industries: a review
(2020-11-05)
Article
Open AccessThe power quality of electrical grids is becoming an important issue worldwide. The electrical grid has to deliver sinusoidal voltages and currents without frequency or amplitude variations. However, the connection of ... -
Mechanical energy harvesting taxonomy for industrial environments: application to the railway industry
(2020-07-01)
Article
Open AccessTraditional industry is experiencing a worldwide evolution with Industry 4.0. Wireless sensor networks (WSNs) have a main role in this evolution as an essential part of data acquisition. The way in which WSNs are powered ... -
Enabling grid-feeding converters with a dissonant-resonant controller for negative-sequence voltage elimination
(Institute of Electrical and Electronics Engineers (IEEE), 2020-04-01)
Article
Open AccessThe mitigation of the adverse effects of voltage unbalance in equipment and power quality can be performed by the power electronic converters that interface distributed generators to the grid. Inspired in a resonant ... -
Observation of photovoltaic effect within locally doped silicon nanojunctions using conductive probe AFM
(2020-10-01)
Article
Restricted access - publisher's policyLocalized p-doped nanojunctions (200–300 nm in diameter) were formed in n-type crystalline silicon substrates and were characterized using scanning electron microscopy (SEM) and conductive-probe atomic force microscopy ... -
A review of flexible wearable antenna sensors: design, fabrication methods, and applications
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-08-27)
Article
Open AccessThis review paper summarizes various approaches developed in the literature for antenna sensors with an emphasis on flexible solutions. The survey helps to recognize the limitations and advantages of this technology. ... -
Camera-based method for respiratory rhythm extraction from a lateral perspective
(Institute of Electrical and Electronics Engineers (IEEE), 2020-08-25)
Article
Open AccessThis work proposes a new method based on computer vision algorithms to measure the respiratory rhythm of a subject from a lateral perspective. The proposed algorithm consists on tracking the motion of the intercostal and ... -
Transition metal oxides for kesterite solar cells developed on transparent substrates
(2020-07-01)
Article
Restricted access - publisher's policyFabrication on transparent soda-lime glass/fluorine-doped tin oxide (FTO) substrates opens the way to advanced applications for kesterite solar cells such as semitransparent, bifacial, and tandem devices, which are key to ... -
Wearable textile UHF-RFID sensors: a systematic review
(Multidisciplinary Digital Publishing Institute (MDPI), 2020-07-24)
Article
Open AccessTextile radio-frequency identification operating in ultra-high frequency (UHF-RFID) sensors based on different scenarios are becoming attractive with the forthcoming internet of things (IoT) era and aging society. Compared ...
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