Results 111 to 120 of about 37,927 (278)

Modeling and Analysis of Quasi-Z Source IMC Converter Feeding PMSM Drive System

Tikrit Journal of Engineering Sciences
The purpose of this study is to increase the voltage gain (U_g) for a quasi-Z-source indirect matrix converter (IMC) feeding a three-phase Permanent Magnet Synchronous machine (PMSM) drive system.
Ahmed K. Hannan, H. A. Hasan, Waleed M. Zapar, Ezzulddin Ahmed, Abdelrahman Farghly   +4 more
doaj   +1 more source

Direct current-direct current converters with high efficiency over wide load ranges

, 1999
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.Includes bibliographical references (leaf 63).An integrated switching regulator is presented, including theory of operation, circuit design ...
Bretz, Joshua Harlen, 1974-
core  

Optimizing Task Distribution and Shared-Variable Accesses in an Asynchronous-Partitioned-Global-Address-Space Programming Model

, 2015
High-performance programming systems employ a wide range of techniques to improve the performance of parallel and distributed applications on large scale machines.
Paudel, Jeeva S
core   +1 more source

Spatial and Volumetric Characteristics of Glioblastoma: Associations With Clinical Presentation and Survival

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective We aim to comprehensively analyze how regional tumor and edema characteristics are associated with clinical presentations and survival outcomes in a large cohort of glioblastoma patients. Methods Patients with IDH‐wildtype glioblastoma who received brain MRI from 2010 to 2023 were included.
Daniel J. Zhou, Marc Jaskir, Julian Gal, Yombe Fonkeu, Christos Davatzikos, MacLean P. Nasrallah, Jose Garcia, Rubo Xing, Stephen J. Bagley, Arati Desai, Richard E. Phillips, Steven Tobochnik, Colin A. Ellis, James J. Gugger, Nishant Sinha, Joel M. Stein, Kathryn A. Davis   +16 more
wiley   +1 more source

Reduction of structural loads using maneuver load control on the Advanced Fighter Technology Integration (AFTI)/F-111 mission adaptive wing

, 1993
A transonic fighter-bomber aircraft, having a swept supercritical wing with smooth variable-camber flaps was fitted with a maneuver load control (MLC) system that implements a technique to reduce the inboard bending moments in the wing by shifting the ...
Thornton, Stephen V.
core  

Evaluation of Digital Technologies for Home‐Based Assessment in People With Amyotrophic Lateral Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective Digital technologies hold promise for transforming healthcare by enhancing personalized treatments and offer valuable opportunities to improve patient care. Here, we evaluated several novel, self‐administered, home‐based, digital endpoints for their association with corresponding conventional standard clinical measures (primary) in ...
Arne Mueller, Vanessa Vallejo, Mónica Povedano Panadés, Orla Hardiman, Véronique Danel‐Brunaud, Senda Ajroud‐Driss, Philippe Couratier, Jeremy Shefner, Anna Gokey, Mike DiCesare, Erin Lennox, Jens Praestgaard, Lucie Brujin, Peggy Allred, Ram Miller   +14 more
wiley   +1 more source

Investigation of the dynamical quality of the electromechanical servo systems using variable structure controllers.

, 2005
The electromechanical servo system is analysed in this article. In order to coordinate the advantages and eliminate disadvantages of the quantitative and symmetrical optimum conditions, a variable structure velocity controller is suggested to use.
Geleževičius, V.A.,, Šulčius, N.,
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Sex‐Stratified Association of Regional Dopamine Transporter Binding With Disease Progression in Amyotrophic Lateral Sclerosis

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT Objective To clarify the clinical relevance of dopamine transporter single‐photon emission computed tomography (DAT‐SPECT) abnormalities in amyotrophic lateral sclerosis (ALS), with a prespecified focus on sex‐stratified associations with disease progression and short‐term prognosis.
Tomoya Kawazoe, Keizo Sugaya, Kentaro Hayashi, Keiko Hino, Yasuhiro Nakata, Kota Bokuda, Toshio Shimizu, Kazushi Takahashi   +7 more
wiley   +1 more source

Design Improvement of a Semi-submersible Floating Offshore Wind Turbines through Frequency-domain Load Analyses

한국해양공학회지
The purpose of this study is to analyze the differences in motion response performances according to the design variables of semi-submersible substructures supporting floating offshore wind turbines (FOWTs) and propose an improved design.
Soo Bin Lee, Joonmo Choung
doaj   +1 more source

A Reliable and Efficient I-f Startup Method of Sensorless Ultra-High-Speed SPMSM for Fuel Cell Air Compressors

Actuators
Extended back electromotive force (EEMF)-based position sensorless field-oriented control (FOC) is widely utilized for ultra-high-speed surface-mounted permanent magnet synchronous motors (UHS-SPMSMs) driven fuel cell air compressors in medium-high speed
Jilei Xing, Yao Xu, Junzhi Zhang, Yongshen Li, Xiongwei Jiang   +4 more
doaj   +1 more source