Results 131 to 140 of about 10,098 (270)

Multilevel Multiphase Feedforward Space-Vector Modulation Technique [PDF]

open access: yes, 2010
Multiphase converters have been applied to an increasing number of industrial applications in recent years. On the other hand, multilevel converters have become a mature technology mainly in medium- and high-power applications.
Doval Gandoy, Jesús   +6 more
core  

Nanoparticles in microdroplets: Recent advances in microfluidic generators for producing functional microbeads

open access: yesDroplet, EarlyView.
Functional hybrid microbeads with electrical, magnetic, and/or optical responsiveness have emerged as versatile platforms for biotechnology. This review highlights recent advances in microfluidic technologies for producing such microbeads, with a focus on incorporating functional nanoparticles in microdroplet systems.
  Bayinqiaoge   +2 more
wiley   +1 more source

A fast on-board integrated battery charger for four-motor EVs [PDF]

open access: yes
A novel type of fast on-board battery charger, applicable for four-motor electric vehicles (EVs), is presented in the paper. The charger consists exclusively of components that are already present on-board the vehicle.
Jones, M, Levi, E, Subotic, I
core   +1 more source

Statistical framework for condensation frosting incipience on smooth and nanostructured surfaces

open access: yesDroplet, EarlyView.
A statistical framework for frost incipience that considers the effect of surface wettability and captures the stochastic nature of both nucleation dynamics for condensation and droplet growth during the subsequent freezing process. Abstract Frost and ice formation on a solid surface is governed by nanoscale liquid‒solid intermolecular interactions ...
Jiazheng Liu   +8 more
wiley   +1 more source

Sequential Model Predictive Torque Control for Six-Phase Machines Without Weighting Factors

open access: yesIEEE Open Journal of Power Electronics
Model predictive control has become a powerful and versatile control strategy, particularly effective in controlling multiphase machines. One of its key advantages is the ability to address multiple control objectives by incorporating constraints ...
Jorge Rodas   +7 more
doaj   +1 more source

Recent advances in boosting interfacial bubble dynamics with external fields

open access: yesDroplet, EarlyView.
External physical fields, including acoustic, magnetic, thermal, mechanical, and optical stimuli, accelerate the entire bubble‐dynamics sequence of nucleation, growth, and detachment. Abstract The efficiency of industrial electrocatalytic reactions depends not only on generating gaseous products but also on their detachment from the catalyst surface ...
Wenlu Xie   +5 more
wiley   +1 more source

Optimization of a 12-Slot/10-Pole, Asymmetrical, Six-Phase IPM Considering Healthy and Open-Phase Fault Post Operation in EV Applications

open access: yesIEEE Access
Permanent magnet (PM) machines equipped with fractional slot concentrated windings (FSCW) offer a compelling solution for electric vehicles (EVs), boasting high torque and power density, high efficiency, a wide operational range, and several other ...
Ahmed T. Abdel-Wahed   +5 more
doaj   +1 more source

EventFlow: Real‐time neuromorphic event‐driven classification of two‐phase boiling flow regimes

open access: yesDroplet, EarlyView.
We present a real‐time flow regime classification framework that integrates neuromorphic event‐driven sensing with deep recurrent neural networks. Unlike traditional frame‐based approaches, our system captures sparse event streams from an event‐based camera, representing only the dynamic brightness changes at the individual pixel level.
Sanghyeon Chang   +9 more
wiley   +1 more source

Index to NASA Tech Briefs, January - June 1966 [PDF]

open access: yes, 1966
Index to NASA technological innovations for January-June ...

core   +1 more source

A perspective review of applications of the computed tomography (CT) scan imaging technique for microscopic reservoir rock characterization

open access: yesDeep Underground Science and Engineering, EarlyView.
In this review, the application of micro‐CT and medical‐CT scanning in the oil and gas industry has been thoroughly discussed. Recent improvements in DRP and modern imaging techniques in the oil and gas industry have been modeled using both experimental and simulation work.
Achinta Bera   +2 more
wiley   +1 more source

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