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Mostrando ítems 21-30 de 601
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 ...
Tesis Doctoral
Arquitectura de nodo inteligente para redes de sensores inalámbricas y escalables: aplicaciones en monitorización ambiental
(2016-01-15)
Las redes de sensores son actualmente una de las tecnologías emergentes de mayor progreso e interés, en particular aquellas que emplean sistemas de comunicación inalámbricas. La integración de estas redes a las infraestructuras ...
Ponencia
Evolución de los MOOC en el ámbito investigador mediante técnicas de análisis de contenido
(Universidad de Sevilla, 2016-06)
Los Massive Open Online Courses (MOOCs) constituyen un nuevo modelo de docencia que ha ido ganando popularidad en los últimos años. Su carácter masivo implica un modelo de enseñanza colaborativa que genera conexiones ...
Ponencia
Low frequency, current mode programmable KHN filters using large-valued active resistors
(2007)
The present work proposes a new current-mode, programmable Kerwin Huelsman Newcomb (KHN) filter suitable for very low frequency processing. The proposed implementation, developed with only six current mirrors and two ...
Artículo
Reducing Conducted Emissions at the Output of Full-Bridge DCDC Converters with High Voltage Steps
(MDPI, 2021-06)
In this work, we analyze the impact of output filter design techniques aimed to reduce conducted emissions at the output of a DCDC power converter. A thorough analysis, based on high-frequency circuit models of the ...
Ponencia
Monte Carlo simulation applicable for predictive algorithm analysis in aerospace
(Springer, 2023)
Safety investigations about electrical wiring harness caused by failures in electrical systems establish that origin of these accidents are related to electrical installation. Predictive techniques which mitigate and reduce ...
Ponencia
Substation Automation. Local Aids to the Power Distribution Network Control
(International Federation of Automatic Control, 1986)
This paper presents an automatism for electrical distribution substation control. Its objective is to perform a local contribution to the whole power system control. It has been implemented using a low-cost eight bit ...
Ponencia
A low-pass filter with automatic frequency tuning for a bluetooth receiver
(IEEE (Institute of Electrical and Electronics Engineers), 2011)
A third-order Gm-C Chebyshev low-pass filter with high linearity and automatic frequency programmability has been designed. The filter is intended to be used as a channel-select filter for a zero-IF Bluetooth receiver. The ...
Artículo
An Analysis on the VSC-HVDC Contribution for the Static Voltage Stability Margin and Effective Short Circuit Ratio Enhancement in Hybrid Multi-Infeed HVDC Systems
(MDPI, 2023-01)
Over the years, high voltage transmission of large energy blocks over long distances has widely developed from the Line Commutated Converter (LCC) technology. However, the continuous expansion of the AC network and the ...
Artículo
Passive RFID-Based Inventory of Traffic Signs on Roads and Urban Environments
(MDPI, 2018-07)
This paper presents a system with location functionalities for the inventory of traffic signs based on passive RFID technology. The proposed system simplifies the current video-based techniques, whose requirements regarding ...