Frequency Stability Support of a DFIG to Improve the Settling Frequency [PDF]
IEEE Access, 2020 To ensure the frequency stability of a power grid, the settling frequency following a frequency event should be stabilized within the maximum steady-state frequency deviation (SSFD) band. If the frequency is stabilized at a value beyond the maximum SSFD band for high penetrations of variable renewable energy, the frequency cannot be restored to the ...
Jae Ik Yoo +4 more
openaire +2 more sources
A numerical study of an inline oscillating cylinder in a free stream [PDF]
, 2011 Simulations of a cylinder undergoing externally controlled sinusoidal oscillations in the free stream direction have been performed. The frequency of oscillation was kept equal to the vortex shedding frequency from a fixed cylinder, while the amplitude ...
Leontini, Justin S. +2 more
core +3 more sources
Positive words carry less information than negative words [PDF]
, 2012 We show that the frequency of word use is not only determined by the word length \cite{Zipf1935} and the average information content \cite{Piantadosi2011}, but also by its emotional content.
A Chmiel +45 more
core +2 more sources
A Close and Supportive Interparental Bond During Pregnancy Predicts Greater Decline in Sexual Activity From Pregnancy to Postpartum: Applying an Evolutionary Perspective [PDF]
, 2020 A common topic for advice given to parents after childbirth – both from relationship experts and popular media – is how to “bounce back” to one’s pre-pregnancy sexuality, with warnings that postpartum declines in sexual frequency will take a serious toll
Brock, Rebecca L +2 more
core +2 more sources
Frequency support characteristics of grid-interactive power converters based on the synchronous power controller [PDF]
, 2016 Grid-interactive converters with primary frequency control and inertia emulation have emerged and are promising for future renewable generation plants because of the contribution in power system stabilization.
Remón Rodríguez, Daniel +2 more
core +2 more sources
, 2014 An electrical impedance spectroscopy-based nondestructive testing (NDT) method is proposed to image both cracks and reinforcing bars in concrete structures.
Ammari, Habib +3 more
core +2 more sources
WSN and RFID integration to support intelligent monitoring in smart buildings using hybrid intelligent decision support systems [PDF]
, 2015 The real time monitoring of environment context aware activities is becoming a standard in the service delivery in a wide range of domains (child and elderly care and supervision, logistics, circulation, and other).
Abbod, M, Alshahrany, F, Moualek, I
core +1 more source
Classification of EMI discharge sources using time–frequency features and multi-class support vector machine [PDF]
, 2018 This paper introduces the first application of feature extraction and machine learning to Electromagnetic Interference (EMI) signals for discharge sources classification in high voltage power generating plants.
Boreham, Philip +5 more
core +2 more sources
Emotion words and categories: evidence from lexical decision [PDF]
, 2013 We examined the categorical nature of emotion word recognition. Positive, negative, and neutral words were presented in lexical decision tasks. Word frequency was additionally manipulated.
O'Donnell, Patrick +2 more
core +1 more source
Short-segment heart sound classification using an ensemble of deep convolutional neural networks [PDF]
, 2018 This paper proposes a framework based on deep convolutional neural networks (CNNs) for automatic heart sound classification using short-segments of individual heart beats. We design a 1D-CNN that directly learns features from raw heart-sound signals, and
Noman, Fuad +3 more
core +2 more sources