Results 71 to 80 of about 331,549 (312)
, 2007 The book is the result of an intense theoretical and experimental activity on matrix converters carried out at the Department of Electrical Engineering of the University of Bologna. The matrix converter is a direct ac/ac power converter. It has several advantages over the traditional power converters, such as compactness, bidirectional power flow, and ...
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Voltage Control for DC-DC Converters [PDF]
, 2018 In this paper, we discuss voltage control method for buck converter operating in continuous conduction mode (CCM) using analog feedback system. The aim of this work is to control the output voltage of a buck converter during the variation in load current. This is obtained using analog feedback made with operational amplifier (Opamp).
Usman Rahat +2 more
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By dawn or dusk—how circadian timing rewrites bacterial infection outcomes
FEBS Letters, EarlyView.The circadian clock shapes immune function, yet its influence on infection outcomes is only beginning to be understood. This review highlights how circadian timing alters host responses to the bacterial pathogens Salmonella enterica, Listeria monocytogenes, and Streptococcus pneumoniae revealing that the effectiveness of immune defense depends not only
Devons Mo +2 more
wiley +1 more source
A power electronics controlled current source based on a double-converter topology
Archives of Electrical Engineering, 2014 The paper presents a conception of power electronics voltage controlled current source (VCCS) which is able much more precise mapping of its an output current in a reference signal, compared to a typical converter solution. It can be achieved by means of
Gwóźdź Michał
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An Overview of Modelling Techniques and Control Strategies for Modular Multilevel Matrix Converters
Energies, 2020 The Modular Multilevel Matrix Converter is a relatively new power converter topology appropriate for high-power Alternating Current (AC) to AC purposes. Several publications in the literature have highlighted the converter capabilities such as modularity,
Matias Diaz +7 more
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FEBS Letters, EarlyView.This perspective highlights emerging insights into how the circadian transcription factor CLOCK:BMAL1 regulates chromatin architecture, cooperates with other transcription factors, and coordinates enhancer dynamics. We propose an updated framework for how circadian transcription factors operate within dynamic and multifactorial chromatin landscapes ...
Xinyu Y. Nie, Jerome S. Menet
wiley +1 more source
Real‐time assay of ribonucleotide reductase activity with a fluorescent RNA aptamer
FEBS Letters, EarlyView.Ribonucleotide reductases (RNR) synthesize DNA building blocks de novo, making them crucial in DNA replication and drug targeting. FLARE introduces the first single‐tube real‐time coupled RNR assay, which enables isothermal tracking of RNR activity at nanomolar enzyme levels and allows the reconstruction of allosteric regulatory patterns and rapid ...
Jacopo De Capitani +4 more
wiley +1 more source
Design of bridgeless Cuk PFC converter based on one-cycle control
Dianzi Jishu Yingyong, 2019 For the power factor correction converter circuit structure contains low-frequency rectifier bridge causing the problem of low efficiency, Boost PFC converter can only boost the pressure but can not step down，the proposed bridgeless Cuk PFC converter can
Yu Zhong′an, Ge Tingyu, Liang Jianwei
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Research on a Wide-Output Resonant Converter with Multi-Mode Switching
Energies, 2022 In this article, a resonant converter based on a series-parallel self-adjusting rectifier structure is proposed. By changing the driving signal of the switch, the converter has four working modes: full-bridge structure frequency modulation control, full ...
Yu Gu +4 more
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Control strategy for a Teniente Converter
Minerals Engineering, 2005 A diagnosis of the actual distributed control and measurements system for a Teniente Converter, processing copper concentrates, is presented. Besides the importance of this converter in Caletones Smelter, there is a number of unsolved problems related to lack of instrumentation, lack of process knowledge, odd operating practices, and lack of procedures
Bergh, LG, Chacana, P, Carrasco, C
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