Results 91 to 100 of about 18,217 (342)

Fault-Tolerant Operation of an Open-End Winding Five-Phase PMSM Drive with Short-Circuit Inverter Fault [PDF]

open access: yes, 2015
Multi-phase machines are well-known for their fault tolerant capability. Star-connected multiphase machines have fault tolerance in open-circuit.
KESTELYN, Xavier   +3 more
core   +4 more sources

The Synergism of β‐Cyclodextrin and Fe3+ Enabled Anti‐Swelling Ion‐Conductive Hydrogels for Multimodal Underwater Sensing Aided by Machine Learning Algorithms

open access: yesAdvanced Science, EarlyView.
An anti‐swelling ion‐conductive hydrogel is developed via β‐cyclodextrin and Fe3+ synergism, enabling reliable underwater motion sensing and Morse code communication. Integrated with machine learning, the system achieves 98.6% accuracy in real‐time underwater handwriting recognition for rapid information transmission.
Hao Dong   +13 more
wiley   +1 more source

Comparative Analysis of Fault-Tolerant Dual-Channel BLDC and SR Motors

open access: yesEnergies, 2019
This article presents the results of a comparative analysis of two electronically commutated brushless direct current machines intended for fault-tolerant drives.
M. Korkosz   +4 more
doaj   +1 more source

Flux Weakening Strategy Optimization for Five-Phase PM Machine with Concentrated Windings [PDF]

open access: yes, 2012
The paper applies an Efficient Global Optimization method (EGO) to improve the efficiency, in flux weakening region, of a given 5-phase Permanent Magnet (PM) machine. An optimal control for the four independent currents is thus defined.
ASLAN, Bassel   +3 more
core   +4 more sources

Optimal Modeled Six-Phase Space Vector Pulse Width Modulation Method for Stator Voltage Harmonic Suppression [PDF]

open access: yes, 2018
Dual Y shift 30 six-phase motors are expected to be extensively applied in high-power yet energy-effective fields, and a harmonic-suppressing control strategy plays a vital role in extending their prominent features of low losses and ultra-quiet ...
Luo, Qiwu   +3 more
core   +2 more sources

Modeling of Multiphase Twin Screw Machines [PDF]

open access: yes
Keynote presentation and paper on using Computational Fluid Dynamics and proprietary grid generation software SCORG for analysis and design opf mutiphase screw machines. In his keynote Professor Kovacevic outlined that according to International Energy Association more than 17% electrical energy produced in developed countries is consumed by ...
openaire   +2 more sources

Heterointerface‑Enabled Electrocatalysis for Efficient Energy Conversion

open access: yesAdvanced Science, EarlyView.
Functionally distinct A/B materials can be integrated at the nanoscale to create customized heterointerfaces with tunable band alignment and charge redistribution, providing fast electron and ion transport channels as well as cooperative dual active sites.
Liuru Fang   +3 more
wiley   +1 more source

Large-scale grid-enabled lattice-Boltzmann simulations of complex fluid flow in porous media and under shear [PDF]

open access: yes, 2003
Well designed lattice-Boltzmann codes exploit the essentially embarrassingly parallel features of the algorithm and so can be run with considerable efficiency on modern supercomputers.
Coveney, Peter V.   +2 more
core   +2 more sources

Uncertainty Estimation for Machine Learning Models in Multiphase Flow Applications [PDF]

open access: gold, 2021
Luca Frau   +3 more
openalex   +1 more source

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