Results 201 to 210 of about 893 (228)

Personalized Network‐Guided Neuromodulation Enhances Human Working Memory

Advanced Science, EarlyView.
A personalized neuromodulation framework combining individualized functional brain network targeting with real‐time neural decoding is introduced. Using concurrent TMS–fMRI, participant‐specific stimulation targets and optimal frequencies are identified. Only optimal‐frequency stimulation improves working memory across sessions.
Ahsan Khan, Hongming Li, Camille Blaine, Julie Grier, Ethan Hammett, Almaris Figueroa‐Gonzalez, Sarai Garcia, Romain Duprat, Justin Reber, Joseph Deluisi, Christos Davatzikos, Theodore D. Satterthwaite, Yong Fan, Desmond J. Oathes   +13 more
wiley   +1 more source

Modeling human wellbeing on a finite planet towards 2100 with Earth4All

Collste D, Barbour F, Callegari B, Cornell S, Gaffney O, Spittler N, Stoknes PE.   +6 more
europepmc   +1 more source

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Saturable reactor assisted soft-switching full-bridge DC-DC power convertors

IEE Proceedings B Electric Power Applications, 1991
A new soft-switching converter technique is introduced which employs small saturable reactors and phase-shift modulation. This considerably reduces switching losses with no substantial increase in conduction losses. The proposed soft-switching concept and its modifications to full-bridge DC-DC power convertors are shown and discussed.
S. Hamada, Y. Ogino, M. Nakaoka
openaire   +3 more sources

Class E2 resonant DC/DC power convertor

IEE Proceedings G Circuits, Devices and Systems, 1990
A new high-frequency high-efficiency resonant DC/DC convertor is introduced. It is composed of a Class E inverter and a Class E rectifier. The convertor operates with load resistances ranging from a full load to infinity. It can regulate the output voltage by varying the switching frequency over a narrow range, owing to a high value of the loaded ...
M.K. Kazimierczuk, J. Jóźwik
openaire   +1 more source

High power IGBT-based DC/DC converter with DC fault tolerance

2012 15th International Power Electronics and Motion Control Conference (EPE/PEMC), 2012
This paper studies a DC/DC converter based on IGBT-bridges which is suitable for connection to HVDC (High Voltage DC) and for building high power DC grids. The DC faults are of highest concern for DC grids, and the primary converter design aims are to achieve inherent current regulation under DC faults in addition to minimizing converter losses. Design
D. Jovcic, J. Zhang
openaire   +1 more source

Discussions on control loop design in average current mode control [PWM DC/DC power convertors]

Conference Record of the 2000 IEEE Industry Applications Conference. Thirty-Fifth IAS Annual Meeting and World Conference on Industrial Applications of Electrical Energy (Cat. No.00CH37129), 2002
Large control output ripple in ACMC (average current mode control) PWM DC/DC converters exposes challenges in accurate modeling and design. In this paper, superposition models are utilized to perform control design analysis for ACMC PWM DC/DC converters.
null Chunxiao Sun, B. Lehman
openaire   +1 more source

Power conditioning system for solar power applications: Closed loop DC-DC convertor fed FPGA controlled diode clamped multilevel inverter

2012 IEEE Students' Conference on Electrical, Electronics and Computer Science, 2012
The main objective of this paper is to develop a power conditioning system, which can be used to extract the variable solar DC power from sun and convert it into AC power to feed a 3-phase AC load effectively. This paper presented the simulation results of Photovoltaic (PV) power conditioning system for three phase AC loads. The conditioner consists of
Dogga. Raveendhra, M. K. Pathak, Aurobinda Panda   +2 more
openaire   +1 more source

FAULT DETECTION IN HYBRID DC-DC POWER CONVERTERS

2020
ASHOURLOO MOJTABA, NAMBURI VENKATA RAGHURAM, VILLAR PIQUÉ GERARD, PIGOTT JOHN, TRESCASES OLIVIER, BERGVELD HENDRIK, EL SHERIF ALAA ELDIN Y   +6 more
openaire   +3 more sources

Novel approach to the analysis and synthesis of modulation processes in power convertors

Proceedings of the Institution of Electrical Engineers, 1975
S R Bowes
exaly  

General formulation for dynamic studies in power systems including static convertors

Proceedings of the Institution of Electrical Engineers, 1977
J Arrillaga
exaly