Results 31 to 40 of about 15,513 (312)

Dynamic power distribution management for all electric aircraft [PDF]

, 2011
In recent years, with the rapid development of electric and electronic technology, the All-Electric Aircraft (AEA) concept has attracted more and more attention, which only utilizes the electric power instead of conventional hydraulic and pneumatic ...
Xia, Xiuxian
core  

Hybrid Electric Aircraft Propulsion Case Study for Skydiving Mission

Aerospace, 2017
This paper describes a case study for applying innovative architectures related to electrified propulsion for aircraft. Electric and hybrid electric propulsion for aircraft has gained widespread and significant attention over the past decade.
Richard Glassock, Michael Galea, Warren Williams, Tibor Glesk   +3 more
doaj   +1 more source

Current Status and Challenges in Data Collection for Aerospace Coatings Deposited by Plasma Spraying

Advanced Engineering Materials, EarlyView.
An innovative approach has been integrated into the GRENAT project to optimize plasma spraying and coating performance. Raw materials are accelerated and melted in the plasma generated by torches, creating coatings. Monitoring sensors collect process data which are combined with ex situ characterization data.
Lila Randriamananjara, Vincent Rat, Quentin Dubreuil, Patrice Valorge, Simon Goutier, Alain Denoirjean, Olivier Messe, Céline Ruelle, Jean‐Philippe Poli   +8 more
wiley   +1 more source

A Novel Robust Model Predictive Controller for Aerospace Three-Phase PWM Rectifiers

Energies, 2018
This paper presents a novel Model Predictive Direct Power Control (MPDPC) approach for the pulse width modulation (PWM) rectifiers in the Aircraft Alternating Current Variable Frequency (ACVF) power system.
Tao Lei, Weiwei Tan, Guangsi Chen, Delin Kong   +3 more
doaj   +1 more source

Toward more electric powertrains in aircraft: Technical challenges and advancements

CES Transactions on Electrical Machines and Systems, 2021
The main purpose of this article is to provide an instructive review of the technological challenges hindering the road toward more electric powertrains in aircraft.
Joseph Benzaquen, JiangBiao He, Behrooz Mirafzal   +2 more
doaj   +1 more source

Electrochemical Behavior of Flame‐Sprayed Sc‐Doped AlCoCrFeMo High‐Entropy Alloy Coatings in 3.5% Sodium Chloride Solution

Advanced Engineering Materials, EarlyView.
Scandium (Sc)‐doped AlCoCrFeMo HEA coatings are fabricated via flame spraying with 0.1, 0.3, and 0.5 wt% Sc additions. Among these, the HEA‐Sc0.3 coating exhibits the highest corrosion resistance, indicated by a more positive corrosion potential and lower current density.
Pankaj Kumar, Akash Vyas, Mohammad Aatif Qazi, Nashit Jalal, Maria Ophelia Jarligo, Mostafa Yakout, Jing Liu, André McDonald   +7 more
wiley   +1 more source

Stability Analysis and Control Design for Hybrid AC-DC More-Electric Aircraft Power Systems [PDF]

, 2013
This thesis studies the stability of a more-electric aircraft (MEA) power system with hybrid converters and loads, and proposes a control design method using state feedback.
Li, Xiao
core  

Developing a modelling environment of spacecraft solar array in low Earth orbit using real-time telemetry data

Franklin Open
Spacecraft solar arrays convert sunlight into electrical energy to fulfil the energy requirements of various missions. This work proposes a comprehensive environment for accurate power operation predictions.
Ahmed Mokhtar, Mohamed Ibrahim, Mohamed E. Hanafy, Fawzy H. Amer ElTohamy, Yehia Z. Elhalwagy   +4 more
doaj   +1 more source

Microstructure, Thermal Transport, and Dry‐Sliding Tribology of Powder‐Metallurgy Al7075 Composites Reinforced With Sol–Gel‐Derived ZnO–rGO Hybrid Nanoparticles

Advanced Engineering Materials, EarlyView.
Sol–gel‐derived ZnO–rGO hybrid nanoparticles enable Al7075 powder‐metallurgy composites to achieve concurrent gains in hardness and thermal conductivity while markedly lowering friction and wear. The hybrid architecture couples ZnO‐based load support with rGO‐assisted lamellar sliding and heat spreading, revealing a promising route toward lightweight ...
Bunyamin Aksakal, Cevher Kursat Macit, Merve Ayık, Hakan Tutumlu   +3 more
wiley   +1 more source

Digital Twin for a 10 MW Electrical Drive System for Future Electric Aircraft Applications

, 2023
210Reliable and high power density electric machine and inverter solutions are essential for a variety of applications. Digital twin for future electric aircraft applications can contribute to analyze the system behavior and the effects between the fast ...
Hilpert, Florian, Eckardt, Bernd, März, Martin, Liu, Xinjun, Bentheimer, Christian, Hofmann, Maximilian   +5 more
core   +1 more source