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Transformada wavelet aplicada a análise automática de oscilografias de curta duração em unidades geradoras
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilPrograma de Pós-Graduação em Engenharia ElétricaUTFPR, 2016-03-31)
The focus of this work is the automatic analysis of disturbance records for electrical power generating units. The main proposition is a method based on wavelet transform applied to short-term disturbance records (waveform ...
Measuring alterations in oscillatory brain networks in schizophrenia with resting-state MEG: State-of-the-art and methodological challenges
(ELSEVIER IRELAND LTD, 2017)
Objective: Neuroimaging studies provide evidence of disturbed resting-state brain networks in Schizophrenia (SZ). However, untangling the neuronal mechanisms that subserve these baseline alterations requires measurement ...
Security system for high-frequency oscillations in isolated power systems
(Universidad Autónoma de Occidente, 2007-01)
Este artículo presenta el diseño de un sistema de seguridad para oscilaciones ruscas de frecuencia para un sistema de potencia débilmente interconectado y que ocasionalmente opera aislado de un sistema de potencia ...
Use of the Wavelet Transform for the analysis of oscillations of the quiescent Solar filamentsUso de la Transformada de Wavelet para el análisis de oscilaciones en filamentos quietos del Sol
(Universidad de Costa Rica, Centro de Investigación en Matemática Pura y Aplicada (CIMPA), 2021)
Middle‐ and low‐latitude ionosphere response to 2015 St. Patrick's Day geomagnetic storm
(American Geophysical Union, 2016-03-10)
This paper presents a study of the St Patrick's Day storm of 2015, with its ionospheric response at middle and low latitudes. The effects of the storm in each longitudinal sector (Asian, African, American, and Pacific) are ...
Atenuación de efectos pendulares en grúas-torre usando control por rechazo activo de perturbaciones en tiempo discreto con observador resonante
(Universidad Nacional de Colombia - Sede Medellín - Facultad de Minas, 2018-01-01)
En este artículo, se propone un esquema de control en tiempo discreto basado en el enfoque del rechazo activo de perturbaciones (ADR) para abordar el problema de control de oscilaciones en la carga de grúas-torre sujetas ...
Comparação de funções objetivo para seleção de PSS pelo amortecimento de oscilações em sistemas multimáquinas
(Universidade Federal de Santa MariaBREngenharia ElétricaUFSMPrograma de Pós-Graduação em Engenharia Elétrica, 2015-12-15)
Small disturbances occur continuously in electrical systems mainly due to load and generation
variations. This ends up causing low frequency voltage fluctuations that are usually observed
in systems whose lines have weak ...
Influencia del incremento de masa en la variación de la energía mecánica y cantidad de movimiento lineal en un oscilador armónico simple horizontalInfluence of the increase in mass on the variation of mechanical energy and momentum in a horizontal simple harmonic oscillator
(Ciencia Digital Editorial, 2020)
Attenuation of wind intensities exacerbates anoxic conditions leading to sulfur plume development off the coast of Peru
(PLoS, 2023)
The release of vast quantities of sulfide from the sediment into the water column, known as a sulfidic event, has detrimental consequences on fish catches, including downstream effects on other linked element cycles. Despite ...