Results 41 to 50 of about 366,320 (298)

A general approach to control a Positive Buck-Boost converter to achieve robustness against input voltage fluctuations and load changes [PDF]

open access: yes, 2008
A Positive Buck-Boost converter is a known DC-DC converter which may be controlled to act as Buck or Boost converter with same polarity of the input voltage.
A. Boora, Arash   +11 more
core   +1 more source

Microfluidic Gratings for X‐Ray Phase Contrast Imaging

open access: yesAdvanced Science, EarlyView.
This work establishes a new protocol for the fabrication of X‐ray gratings that exploits the advantages of microfluidics and enables a more inexpensive, faster, and scalable production process. These X‐ray devices are fundamental for implementing X‐ray phase contrast imaging (XPCI) in laboratory and clinical settings, yet their costly and complex ...
Alessandro Rossi   +10 more
wiley   +1 more source

Circuit diagram of non-inverted buck boost converter.

open access: yes, 2022
Circuit diagram of non-inverted buck boost converter.
Rini Akmeliawati (718330)   +6 more
core   +2 more sources

Low-Voltage Stress Buck-Boost Converter With a High-Voltage Conversion Gain

open access: yesIEEE Access, 2020
The conventional buck-boost converter has the advantages of simple structure, low cost, and the capability to achieve both voltage step-up and down. However, due to the negative impacts of the parasitic parameters of the device, the voltage conversion ...
Binxin Zhu   +4 more
doaj   +1 more source

Circuit Configurable Bidirectional DC-DC Converter for Retired Batteries

open access: yesIEEE Access, 2021
Due to the rapid development and widespread usage of Electric Vehicles (EVs), there will be more and more retired batteries in the future. These retired batteries can be used in energy storage systems to stabilize smart grid operation with high ...
Jenhao Teng   +3 more
doaj   +1 more source

Conversores CC-CC com elevada taxa de conversão estática [PDF]

open access: yes, 2014
Tese (doutorado) - Universidade Federal de Santa Catarina, Centro Tecnológico, Programa de Pós-Graduação em Engenharia Elétrica, Florianópolis, 2014.Nesse trabalho é introduzida uma nova família de Conversores CC-CC com elevada taxa de conversão estática.
Sá, Franciéli Lima de
core  

Printing‐Assisted Integration of Thermal, Fluidic and Electrical Components in Implants for Focal Brain Cooling

open access: yesAdvanced Science, EarlyView.
Extrusion‐based 3D printing of silicones and discrete electronic components are combined to create cortical implants for rodents that integrate thermal neuromodulation and electrical recording. Linked to an autonomous auxiliary driver unit, the system enables rapid, stable and localized hypothermia alongside ECoG recording.
Spencer Ryan Moore   +6 more
wiley   +1 more source

Analysis of energy processes in pulse converters of AC electric power

open access: yesTekhnologiya i Konstruirovanie v Elektronnoi Apparature, 2015
The article presents the analysis of energy processes in switched-mode AC-AC converters of buck, boost and buck-boost types. The mathematical model of energy processes is obtained.
A. F. Kadatsky, A. P. Rusu
doaj   +1 more source

Conversores CC-CC básicos não-isolados quadráticos de três níveis [PDF]

open access: yes, 2006
Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro Tecnológico. Programa de Pós-Graduação em Engenharia Elétrica.Este trabalho introduz uma nova célula de comutação formada por dois diodos, dois interruptores comandados, dois ...
Bottarelli, Marlos Gatti
core  

Steps Toward Vitrification and Banking of Coral Larvae Using Field‐Friendly Cryomesh Technology

open access: yesAdvanced Science, EarlyView.
Cryomesh enables a low‐tech cryopreservation method, adding a valuable option to the coral reef conservation toolkit. The approach reveals how size, toxicity, and developmental stage govern larval survival, while modeling links cooling and rewarming rates to a theoretical upper volume limit.
E. Michael Henley   +15 more
wiley   +1 more source

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