Results 41 to 50 of about 40,110 (258)

Single-Stage Non-Isolated High Conversion Ratio Step-Down Converter for Voltage Regulation Modules

IEEE Open Journal of Power Electronics
This paper proposes a non-isolated converter with an ultra-high step-down voltage conversion ratio and low voltage stress on switching devices, achieved within a moderate duty cycle for voltage regulation modulators (VRMs).
Dinh Phuc Nguyen, Huang-Jen Chiu, Dung Anh Nguyen, Yu-Chen Liu   +3 more
doaj   +1 more source

Research on coordinated control of flexible on-load voltage regulator and STATCOM

Energy Reports, 2022
Traditional on-load tap changer (OLTC) has problems such as easy oscillation and low regulation precision in the voltage regulation control of the power system.
Qiran Liu, Qunhai Huo, Jingyuan Yin, Jiaming Li, Longfei Sun, Tongzhen Wei   +5 more
doaj   +1 more source

Animal‐Assisted Activities With Therapy Dogs in Pediatric Oncology: A Multicenter Survey of the Current Status, Implementation, and Challenges in Germany, Austria, and Switzerland

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Animal‐assisted activities (AAAs) with therapy dogs have shown positive effects on patient well‐being and quality of life in various areas of medicine, including pediatric oncology. However, research on this topic is limited. The aim of this study is to present the current status of AAA in pediatric oncology in Germany, Austria, and
Jan‐Marius Wedig, Birgit Burkhardt, Christof M. Kramm, Kira Ostermann, Sarah C. Goretzki, Uta Dirksen, Nico Kurpiers, Michael M. Schündeln   +7 more
wiley   +1 more source

Obtaining the maximum power from the source using step-up and step-down type pulse regulators that work on battery

Electrical engineering & Electromechanics
Introduction. Pulse regulators are widely used to match the output resistance of the source with the load resistance in order to ensure the possibility of taking maximum power when the value of the load resistance changes. Problem.
V. Y. Romashko, L. M. Batrak, O. O. Abakumova   +2 more
doaj   +1 more source

On Hierarchical Composite Endpoints in Pediatric Cancer Supportive Care: Illustrative Examples From Two Multi‐Center Phase‐III Randomized Clinical Trials

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric supportive care clinical trials often involve multiple clinically important outcomes, complicating trial interpretation. Hierarchical composite endpoints (HCEs) provide a framework to integrate key outcomes according to clinical importance.
Willem H. Collier, Mark Zobeck, Adam J. Esbenshade, Christopher C. Dvorak, Lillian Sung, David Freyer, Sarah Alexander, Etan Orgel, Nicole J. Ullrich, Zach Prudowsky, Brian Fisher, Caitlin W. Elgarten   +11 more
wiley   +1 more source

Design and Analysis of the Voltage Controller for the Non Isolated Boost DC-DC Convertor

Emitter: International Journal of Engineering Technology, 2019
In this paper, a controller has been presented by the root locus method based on the state space average model of the boost switching regulator with all of the converter’s parameters and uncertainties. In this model, the load current is unknown and the
Mohammad Reza Modabbernia, Alireza Akoushideh, Seyed Yaser Fakhrmoosavi   +2 more
doaj   +1 more source

Integrated fuzzy and phase shift controller for output step voltage control in multilevel inverter with reduced switch count

Automatika, 2020
A modified multilevel inverter with a configurable level generation is proposed in this paper. The MLI is composed of a modified boost converter at the front end followed by a level generation circuit and a H-bridge configuration. The front-end converter
Jawahar Rahila, M. Santhi
doaj   +1 more source

The Role of Chemotherapy in Pediatric Myoepithelial Carcinoma: A Systematic Review of the Literature

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Myoepithelial carcinoma (MEC) in pediatric patients is a rare and aggressive malignancy characterized by heterogeneous morphology and variable molecular features. The optimal role of chemotherapy remains unclear. We conducted a systematic review according to PRISMA 2020 guidelines to evaluate chemotherapy in pediatric and young‐adult patients ...
Marco Salvi, Maria Carmen Affinita, Giulia Fichera, Luisa Santoro, Angela Scagnellato, Calogero Virgone, Elena Poli, Gianni Bisogno   +7 more
wiley   +1 more source

An [Imperfect] Case for Dyadic Research in Pediatric Psychosocial Oncology

Pediatric Blood &Cancer, EarlyView.
Stephanie M. Nanos, Lindsay A. Jibb, Gary Rodin   +2 more
wiley   +1 more source

Time to Diagnosis Among Children and Adolescents With Cancer in Québec, Canada: A Population‐Based Study

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Background Timely cancer diagnosis in children and adolescents is important to improving outcomes. We aimed to quantify time to diagnosis and assess variations by patient, demographic and system‐level factors. Procedure We conducted a population‐based study of individuals aged 0–19 years diagnosed with one of 12 cancers from 2010 to 2022 in ...
Callum Mullen, Ronald D. Barr, Erin Strumpf, Mariam El‐Zein, Eduardo L. Franco, Talía Malagón   +5 more
wiley   +1 more source