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Connected autonomous driving using reconfigurable intelligent metasurfaces
(Springer, 2024)
Part of book or chapter of book
Restricted access - publisher's policyBeyond 5G/6G communication systems promise to significantly impact the development of a New Generation of CCAM. Reconfigurable Intelligent Metasurfaces (RIM) are by now established as a key enabling technology for 6G ... -
Macroporous silicon structures in 700 nm and 500 nm
(Editora ARTEMIS, 2023)
Part of book or chapter of book
Open AccessMacroporous Silicon is a structured material with which innovative optical and electrical characteristics can be obtained. It consists in a crystalline silicon slab where tubular perforations are made. Several fabrication ... -
Physics and technology of carrier selective contact based heterojunction silicon solar cells
(Springer, 2022-09-12)
Part of book or chapter of book
Restricted access - publisher's policyThis chapter redefines silicon-based solar cells by introducing the concept of charge-carrier selective contacts. In this sense, heterojunction solar cells use crystalline silicon as a high-quality light absorber. Then, ... -
Chapter 4: intelligent fault diagnosis of photovoltaic systems
(2022-07-13)
Part of book or chapter of book
Restricted access - publisher's policyPhotovoltaic (PV) systems operating in real conditions of work are very often subject to several faults that may lower significantly the produced energy and shorten their availability. Therefore, powerful and trusted fault ... -
Effects of stray capacitance to ground in impedance measurements
(Elsevier, 2021)
Part of book or chapter of book
Restricted access - publisher's policyInductive effects such as positive phase angles in impedance measurements have often confused the researchers when the material measured is nonmagnetic. When the measurement is based on auto-balancing bridge method and the ... -
Automated chlorine dosage in a simulated drinking water treatment plant: a real case study
(Multidisciplinary Digital Publishing Institute (MDPI), 2021-11)
Part of book or chapter of book
Open AccessIn recent decades, increasing attention has been paid to the sustainability of products and processes, including activities aimed at environmental protection, site reclamation or treatment of contaminated ef¿uents, as well ... -
The Cuckoo search algorithm applied to fuzzy logic control parameter optimization
(Springer, 2021-01-01)
Part of book or chapter of book
Restricted access - publisher's policyIn the design of control systems, the tuning of controller parameters has a fundamental role in the performance of both transient and steady-state regimes. From this perspective, the tuning of controller parameters has ... -
Neutral-point-clamped DC-AC power converters
(2018-02-22)
Part of book or chapter of book
Open AccessThis article reviews the fundamentals of multilevel multiphase neutral-point-clamped DC–AC power converters. These converters are configured with one or more legs and a common DC-link. Each leg is functionally equivalent ... -
5GHz CMOS all-pass filter-based true time delay cell
(Multidisciplinary Digital Publishing Institute (MDPI), 2020)
Part of book or chapter of book
Open AccessAnalog CMOS time-delay cells realized by passive components, e.g., lumped LC delay lines, are inefficient in terms of area for multi-GHz frequencies. All-pass filters considered as active circuits can, therefore, be the ... -
Comparative aspects of control strategies for hybrid DC/DC regulators with variable-switching frequency
(Cambridge Scholars Publishing, 2020)
Part of book or chapter of book
Restricted access - publisher's policyLinear-assisted DC/DC regulators (or linear-switching hybrid DC/DC regulators) consist of a linear voltage regulator (classic NPN/nMOS topologies or PNP/pMOS low-dropout structures) connected in parallel with a switching ... -
Low drop-out voltage regulator as a candidate topology for photovoltaic solar facilities
(Cambridge Scholars Publishing, 2020)
Part of book or chapter of book
Open AccessThis chapter presents a design for a 4.5-V, 450-mA low drop-out (LDO) linear voltage regulator based on a two-stage cascode operational transconductance amplifier (OTA) as an error amplifier for photovoltaic solar DC-DC ... -
Capacitorless DC/DC regulator as a candidate topology for photovoltaic solar
(Cambridge Scholars Publishing, 2020)
Part of book or chapter of book
Restricted access - publisher's policyLinear-assisted DC/DC regulators (or linear-switching hybrid DC/DC regulators) consist of a linear voltage regulator (classic NPN/nMOS topologies or PNP/pMOS low-dropout structures) connected in parallel with a switching ...
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