Results 41 to 50 of about 2,213,154 (301)

Provision of Frequency Response from Wind Farms: A Review

open access: yesEnergies, 2021
Renewable sources of energy play a key role in the process of decarbonizing modern electric power systems. However, some renewable sources of energy operate in an intermittent, non-dispatchable way, which may affect the balance of the electrical grid. In
Pablo Fernández-Bustamante   +4 more
doaj   +1 more source

Frequency-Invariant Representation of Interaural Time Differences in Mammals [PDF]

open access: yes, 2011
Interaural time differences (ITDs) are the major cue for localizing low-frequency sounds. The activity of neuronal populations in the brainstem encodes ITDs with an exquisite temporal acuity of about .
Hannes Lüling   +11 more
core   +1 more source

Analysis of deflection and dynamic plant characteristics of Cyperus malaccensis Lam

open access: yesPlant Production Science, 2019
In this study, flexural rigidity, natural frequency, and damping coefficient of Cyperus malaccensis Lam. with long stems were measured for application for fluid–structure interaction simulation in a field.
Mana Shioya   +7 more
doaj   +1 more source

Novel Optimal Load Control for Power System Frequency and Voltage Regulation

open access: yesJournal of Modern Power Systems and Clean Energy, 2023
The sudden generation-consumption imbalance is becoming more frequent in modern power systems, causing voltage and frequency stability issues. One potential solution is load participation in primary control.
Yaxin Wang   +3 more
doaj   +1 more source

Step response and frequency response methods

open access: yesAutomatica, 1979
Abstract In this tutorial very simple methods will be presented by which models for dynamic processes can be obtained. These methods employ step responses of the process or responses to other nonperiodic testsignals or process responses to periodic signals.
openaire   +1 more source

Response scales as frames of reference: the impact of frequency range on diagnostic judgements

open access: yes, 1991
Schwarz N, Bless H, Bohner G, Harlacher U, Kellenbenz M. Response scales as frames of reference: the impact of frequency range on diagnostic judgements. Applied Cognitive Psychology.
Schwarz, Norbert   +4 more
core   +1 more source

Natural Scene Derived Camera Edge Spatial Frequency Response for Autonomous Vision Systems [PDF]

open access: yes, 2021
The edge Spatial Frequency Response (eSFR) is an established measure for camera system quality performance, traditionally measured under laboratory conditions. With the increasing use of Deep Neural Networks (DNNs) in autonomous vision systems, the input
Triantaphillidou, S.   +3 more
core   +1 more source

Verification of Utility-Scale Solar Photovoltaic Plant Models for Dynamic Studies of Transmission Networks

open access: yesEnergies, 2020
In recent years, there has been a growing need for accurate models that describe the dynamics of renewable energy sources, especially photovoltaic sources and wind turbines.
Ram Machlev   +5 more
doaj   +1 more source

Health‐Related Quality of Life and Symptom Severity Among Patients With PIK3CA‐Related Overgrowth Spectrum: A Mixed‐Methods Study to Understand Real‐World Experience With Alpelisib Treatment

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background PIK3CA‐related overgrowth spectrum (PROS) includes several rare overgrowth disorders resulting from somatic gain‐of‐function mutations in PIK3CA. Despite treatment advances, including the recent approval of alpelisib for PROS in the United States, literature detailing the patient experience with PROS is limited.
Vamsi Bollu   +8 more
wiley   +1 more source

Using electric vehicle fleet as responsive demand for power system frequency support [PDF]

open access: yes, 2013
Based on conventional car driving patterns, it has been recognized that typically a car remains stationary for 95% of the time, only being driven on the road for the remaining 5% of that time on average.
Lei Wu   +7 more
core   +1 more source

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