Results 251 to 260 of about 166,451 (293)

Intracellularly Coupled Oscillators for Synthetic Biology

Holló G, Park JH, Evard R, Schaerli Y.
europepmc   +1 more source

A Desing of Digital Synchronization System for a Three-Phase Alternating Current Regulator: Case study: Highly inductive loads [PDF]

2018 IEEE International Autumn Meeting on Power, Electronics and Computing (ROPEC), 2018
This paper shows the development and implementation in a digital platform of a synchronization system for a three-phase alternative current regulator through the technique of crossing by cosine applied to high inductive loads (Primary winding of a VAR furnace transformer). Also, the comparison of the results obtained through the simulation in Lt Pspice
Asaf Jair Romero-Hernandez, Juan Alfonso Salazar-Torres, Gerardo Marx Chávez-Campos, Mario Ibañez Olvera   +3 more
semanticscholar   +3 more sources

6 Hz transcranial alternating current stimulation of mPFC improves sustained attention and modulates alpha phase synchronization and power in dorsal attention network

Cognitive Neuroscience, 2020
Transcranial alternating current stimulation (tACS) is a noninvasive brain stimulation tool appropriate to modulate cortical oscillations and activity via the application of weak currents. The major goal of this study was to investigate the effects of medial Prefrontal Cortex (mPFC) stimulation on sustained attention task performance measured by Rapid ...
Reza Rostami, Reza Kazemi, Farzaneh Mozaffarinejad, Zahra Nasiri, Maryam Rostami, Abed L. Hadipour, Fatemeh Sadeghi   +6 more
semanticscholar   +5 more sources

Synchronization control of a magnetic levitation system powered by alternating current

2011 9th IEEE International Conference on Control and Automation (ICCA), 2011
This work presents the synchronization control of two magnetic levitation systems powered by alternating current and where the technology on which this platform is based is the effect of repulsion that is presented in a pair of windings (coil-ring).
José L. García-antonio, R. Castro‐Linares, M. Velasco‐Villa   +2 more
semanticscholar   +5 more sources

140. Effects of transcranial alternating current stimulation (tACS) on spontaneous motor tempo and sensorimotor synchronization: Preliminary data

Clinical Neurophysiology, 2013
We used transcranial alternating current stimulation (tACS) to modulate brain oscillations during spontaneous motor tempo and sensorimotor synchronization tasks to evaluate the effect of specific frequencies on motor performance. Six healthy subjects performed self-paced finger movements and auditory-paced finger tapping (synchronization–continuation ...
Fabio Giovannelli, I. Innocenti, Matteo Feurra, Emiliano Santarnecchi, Alessandra Borgheresi, E. Del Sordo, A. Ragazzoni, Gaetano Zaccara, Maria Pia Viggiano, Símone Rossi, M. Cincotta   +10 more
semanticscholar   +4 more sources

Phase-Synchronized Transcranial Alternating Current Stimulation-Induced Neural Oscillations Modulate Cortico-Cortical Signaling Efficacy

Brain Connectivity, 2021
Introduction: Synchronized oscillatory brain activity is considered a basis for flexible neuronal network communication. However, the causal role of inter-regional oscillatory phase relations in modulating signaling efficacy in cortical networks has not been directly demonstrated in humans so far.
Kristoffer D. Fehér, Masahito Nakataki, Yosuke Morishima   +2 more
openalex   +4 more sources

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Entrainment effects upon synaptically connected microcircuit in transcranial alternating current stimulation

International IEEE/EMBS Conference on Neural Engineering, 2023
Transcranial alternating current stimulation (tACS) has garnered attention as a popular neuromodulation method for clinical applications. However, neurons' responses to tACS are uncertain and controversy remains whether tACS can entrain neural activity ...
Kyeongseop Park, Hyeyeon Chung, C. Im, S. Jun   +3 more
semanticscholar   +1 more source

Estimation of Alternator Rotor Angle by using Synchronized Voltage and Current Phasors

2020 IEEE Calcutta Conference (CALCON), 2020
Online monitoring of the rotor angle stability of large interconnected power system is a complicated job due to peculiar dynamics. In this paper, a methodology for estimation of alternator rotor angle by using empirical modelled reactance, voltage and current phasors measured from phasor measurement units (PMUs) is presented.
Mukesh Kumar, Shaik Affijulla
openaire   +2 more sources

New hot wire anemometer with alternate current and synchronic detection

SPIE Proceedings, 2009
The feasibility of hot wire anemometer in to a new measurement configuration is demonstrated in this work and we validate our results by a numerical model. We have created an anemometer probe with hot wire using a new scheme, in alternate current and synchronic detection (3ω method). We use this instrument to register the velocity magnitude in boundary
Mihai Chirtoc, Monica Stoian, Adil Rachek   +2 more
openaire   +2 more sources