Results 51 to 60 of about 451,093 (362)

Effectiveness of rTMS on Working Memory and Inhibitory Impairments in Patients With Post‐Stroke Executive Deficits

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Considerable efforts have been dedicated to developing effective treatments for post‐stroke executive impairment (PSEI), among which repetitive transcranial magnetic stimulation (rTMS) has shown great potential. This study aimed to investigate the therapeutic effects of high‐frequency rTMS on working memory (WM) and response ...
Mengting Lao, Rongwei Du, Zhujun Wang, Yang Gao, Meiling Cheng, Xianglong Wang, Wen Wu   +6 more
wiley   +1 more source

Optimized ultra high voltage gain DC–DC converter with current stress reduction for photovoltaic application

IET Power Electronics
This paper presents a non‐isolated DC‐DC converter designed to validate ultra‐high voltage gain using a modified double boost mode. The objective is to achieve exceptionally high voltage gain by integrating a modified triple boost technique (MTBT ...
Ammar Falah ALgamluoli, Xiaohua Wu, Hayder K. Jahanger   +2 more
doaj   +1 more source

Topological review of hybrid RES based multi‐port converters

IET Renewable Power Generation, 2022
Depletion of natural resources like gas, oil, coal along with environment pollution increased the popularity of the Renewable Energy Sources (RES). Power Electronic converters are utilized for conversion of power from RES to coordinate the stand‐alone ...
Satya Prasanth Yalla, Partha Sarathi Subudhi, Vigna Kumaran Ramachandaramurthy   +2 more
doaj   +1 more source

THz emission from intrinsic Josephson junctions at zero magnetic field via breather auto-oscillations

, 2010
I propose a new mechanism of intense high-frequency electromagnetic wave generation by spatially uniform stacked Josephson junctions at zero magnetic field.
Krasnov, V. M.
core   +1 more source

PwrSoC (integration of micro-magnetic inductors/transformers with active semiconductors) for more than Moore technologies [PDF]

, 2017
This paper introduces the concept of power supply on chip (PwrSoC) which will enable the development of next-generation, functionally integrated, power management platforms with applications in dc-dc conversion, gate drives, isolated power transmission ...
Kulkarni, Santosh, Roy, Saibal, Wang, Ningning, Ó Mathúna, S. Cian   +3 more
core   +1 more source

A Robust Adaptive One‐Sample‐Ahead Preview Super‐Twisting Sliding Mode Controller

International Journal of Adaptive Control and Signal Processing, EarlyView.
Block Diagram of the Robust Adaptive One‐Sample‐Ahead Preview Super‐Twisting Sliding Mode Controller. ABSTRACT This article introduces a discrete‐time robust adaptive one‐sample‐ahead preview super‐twisting sliding mode controller. A stability analysis of the controller by Lyapunov criteria is developed to demonstrate its robustness in handling both ...
Guilherme Vieira Hollweg, Paulo Jefferson Dias de Oliveira Evald, Shivam Chaturvedi, Hilton Abilio Gründling, Rodrigo Varella Tambara, Wencong Su   +5 more
wiley   +1 more source

A multilevel boost DC-DC converter with MPPT algorithm for the rooftop PV system of the urban railway Nhon - Hanoi Station

Journal of Applied Science and Engineering
Photovoltaic generators constantly change their maximum power point (MPP) because solar radiation and temperature at different times of the day are always different.
Tran Hung Cuong, An Thi Hoai Thu Anh
doaj   +1 more source

Projecting GaN HEMTs lifetimes under typical stresses commonly observed in DC-DC converters

Power Electronic Devices and Components, 2023
DC-DC converters exist in virtually every application of modern power electronics. Due to small die size, low on-resistance, and low parasitic capacitance, GaN power devices offer superior conversion efficiency and record-setting power density.
Shengke Zhang, Siddhesh Gajare, Ricardo Garcia, Sijun Huang, Angel Espinoza, Andrea Gorgerino, Ruizhe Zhang, Alejandro Pozo, Robert Strittmatter, Alex Lidow   +9 more
doaj   +1 more source

Elinvar Materials: Recent Progress and Challenges

Advanced Engineering Materials, EarlyView.
Elinvar materials, exhibiting temperature‐invariant elastic modulus, are critical for precision instruments and emerging technologies. This article reviews recent progress in the field, with a focus on the anomalous thermoelastic behavior observed in key material systems.
Wenjie Li, Yang Ren
wiley   +1 more source

AC-DC CONVERTER WITH LOW RIPPLE OUTPUT [PDF]

, 2004
An AC-DC converter that includes a plurality of power conversion units that overlay their signals to generate a DC signal with low voltage level, small voltage and current ripples, but high DC current.

core