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Mostrando ítems 1-10 de 97
Artículo
The Essential Role and the Continuous Evolution of Modulation Techniques for Voltage-Source Inverters in the Past, Present, and Future Power Electronics
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
The cost reduction of power-electronic devices, the increase in their reliability, efficiency, and power capability, and lower development times, together with more demanding application requirements, has driven the ...
Artículo
Soluciones para la monitorización de trabajadores en obra mediante tecnologías inalámbricas
(2012)
La prevención activa puede implementar diferentes barreras de seguridad. El estado de la técnica de los sistemas de inteligencia ambiental permite construir sistemas inteligentes que, mediante la utilización de redes ...
Artículo
FVF-Based Low-Dropout Voltage Regulator with Fast Charging/Discharging Paths for Fast Line and Load Regulation
(Electronics and Telecommunications Research Institute (ETRI), 2017-06)
A new internally compensated low drop-out voltage regulator based on the cascoded flipped voltage follower is presented in this paper. Adaptive biasing current and fast charging/discharging paths have been added to ...
Artículo
A Predictive Capacitor Voltage Control of a Hybrid Cascaded Multilevel Inverter With a Single DC-Link and Reduced Common-Mode Voltage Operation
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
For cascaded multilevel inverter topologies with a single dc supply, closed-loop capacitor voltage control is necessary for proper operation. This paper presents zero and reduced common-mode voltage (CMV) operation of a ...
Artículo
A text categorisation tool for open source communities based on semantic analysis
(2013)
Open source software (OSS) projects are supported by communities interacting through software repositories and mailing lists. Thousands of contributors participate in the development of the projects although they rarely ...
Artículo
Digital predistortion technique with in-band interference optimisation applied to DVB-T2
(The Institution of Engineering and Technology, 2012-05)
The efficient transmission and nonlinear modelling of orthogonal frequency division multiplexing (OFDM) signals are difficult to address owing to the special characteristics of this modulation scheme. Proposed is a digital ...
Artículo
Examining the power-law distribution among eWOM communities: a characterisation approach of the Long Tail
(Taylor & Francis (Routledge), 2015)
Nowadays electronic word-of-mouth (eWOM) communities symbolise a significant source of information that helps customers to make informed purchasing decisions. Through eWOM communities, a great audience of users is able ...
Artículo
Measurement of the 240Pu(n,f) cross-section at the CERN n-TOF facility: First results from experimental area II (EAR-2)
(EDP Sciences, 2017)
The accurate knowledge of the neutron-induced fission cross-sections of actinides and other isotopes involved in the nuclear fuel cycle is essential for the design of advanced nuclear systems, such as Generation-IV nuclear ...
Artículo
High-performance motor drives
(2011)
This article reviews the present state and trends in the development of key parts of controlled induction motor drive systems: converter topologies, modulation methods, as well as control and estimation techniques. Two- ...
Artículo
Output factor determination for dose measurements in axial and perpendicular planes using a silicon strip detector
(American Physical Society, 2012-04-23)
In this work we present the output factor measurements of a clinical linear accelerator using a silicon strip detector coupled to a new system for complex radiation therapy treatment verification. The objective of these ...