Listar Comunicaciones y ponencias de congresos DIEC - IEKS Biltzarretako komunikazioak eta txostenak por título
Mostrando ítems 137-156 de 180
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On the limits of the capacitor-voltage active damping for grid-connected power converters with LCL filter
Active damping strategies are widely extended to avoid stability issues at the LCL filter resonant poles in grid-connected voltage source converters. The capacitor voltage derivative active damping effectively damps the ... -
On the on-site measurement of the degradation rate of crystalline silicon PV modules at plant level
This paper proposes a method for measuring the degradation rate of crystalline silicon PV modules at plant level in two different ways as a form of verification. As actual levels of degradation rate have been observed to ... -
On the optimal current followers for wide-swing current-efficient amplifiers
The design of various current followers for the implementation of OTAs with high slew rate and current efficiency is addressed. Two basic current follower topologies are compared, and modifications of both followers to ... -
On the requirements of the power converter for second-life lithium-ion batteries
The use of lithium-ion batteries is increasing year after year, especially in the automotive sector. Given the high requirements of electric vehicles, their energy storage systems are discarded when they still have around ... -
On the technical reliability of lithium-ion batteries in a zero emission polar expedition
This contribution presents a technical analysis of the Lithium-ion batteries (LIBs) used in the WindSled project. In this project, an expedition has been carried out by means of a 0-emission vehicle that have covered more ... -
One-year analysis of road condition using FBG arrays
In this work, it is presented an analysis of FBG arrays installed in a public road. The arrays were installed in a newly paved urban road and were monitored for more than one year. The study evidences the permanent deformation ... -
Onset of irreversible reactions in overcharging lithium-ion cells: an experimental and modeling approach
Lithium-ion batteries are energy storage systems used in an increasing number of applications. Due to their flammable materials, their use entails risks of fire and explosion. The study of the abuse operation of these ... -
Optical biosensors: a quick overview
This work aims to provide a brief overview of the latest trends in the domain of optical biosensors. -
Optical fiber sensors for asphalt structures monitoring
A novel optical fiber installation method was explored for asphalt monitoring. Glassfiber polymer encapsulated SMF was installed in the intermediate and surface layers in order to study the strain sensitivity with a ... -
Optical fiber vacuum sensor based on modal interferometer and PDMS coating
This work studies the behavior of polydimethylsiloxane (PDMS) as a transducer for optical vacuum pressure measurements. The optical structure chosen for this device is a modal interferometer achieved by splicing a coreless ... -
Optimized DFIG electrical design under voltage sags
This paper addresses the dual problem (electrical-mechanical) of DFIG-based wind turbines under voltage sags and proposes an optimized solution that, starting from a design aimed to mitigate the mechanical loads in the ... -
Ordered titanium dioxide nanotubes for lossy-mode resonance-based humidity sensing
Ordered titanium dioxide nanotubes on indium tin oxide as a structure supporting lossy-mode resonance is reported. Capability for application of the structure for optical humidity sensing is shown as an application example. -
Outdoor performance of a CdTe based PV generator during 5 years of operation
Together with the huge growth of the traditional crystalline silicon (Si-x) PV manufacturers, other thin-film solar cells have also emerged such as cadmium telluride (CdTe) manufacturers. They are characterized by the ... -
Overcome the limitations of performance parameters of on-chip antennas based on metasurface and coupled feeding approaches for applications in system-on-chip for THz integrated-circuits
This paper proposes a new solution to improve the performance parameters of on-chip antenna designs on standard CMOS silicon (Si.) technology. The proposed method is based on applying the metasurface technique and exciting ... -
Particularised Kalman filter for the state-of-charge estimation of second-life lithium-ion batteries and experimental validation
A critical issue for a proper energy management of a lithium-ion (Li-ion) battery is the estimation of its state-of-charge (SOC). There are various methods available for the SOC estimation, being some of them robust and ... -
Performance evaluation of spatial modulation patterns in compressive sensing terahertz imaging
Terahertz (THz) imaging traditionally uses pixel-to-pixel mechanical raster scanning, which is slow and limits the resolution and potential applications. Compressive Sensing Terahertz (CS-THz) imaging has the potential to ... -
The promising combination of thermoelectric generators with IoT technologies for autonomous monitoring systems
Monitoring stations becomes essential in any volcanic system in the world but, because of their remote location, both the electricity supply and the communications represent a technological challenge. The present work ... -
Quasi-distributed vibration analysis of a cantilever beam using OFDR and weak reflectors
This work evaluates the performance of a quasi-distributed in-line velocimeter based on OFDR and weak reflectors to measure vibration every 10 cm, using a cantilever beam under free-end damping and during an impact-hammer test. -
Ramp-rate control in large PV plants: battery vs. short-term forecast
The changeability in the power produced by utility-scale PV plants caused by shadows due to passing clouds can compromise grid stability. Traditionally, some kind of energy storage systems (ESS) is proposed as the solution ... -
Ransomware encrypted your files but you restored them from network traffic
(IEEE, 2019) Contribución a congreso / Biltzarrerako ekarpenaIn a scenario where user files are stored in a network shared volume, a single computer infected by ransomware could encrypt the whole set of shared files, with a large impact on user productivity. On the other hand, medium ...