Results 61 to 70 of about 305,962 (204)

A Decentralized Voting and Monitoring Flight Control Actuation System for eVTOL Aircraft

open access: yesAerospace
The emergence of eVTOL (electrical Vertical Takeoff and Landing) aircraft necessitates the development of safe and efficient systems to meet stringent certification and operational requirements.
Ruichen He   +4 more
doaj   +1 more source

Resilient power and propulsion system design for eVTOL aircraft [PDF]

open access: yes
The continuous increase in population in megacities has led to a more pronounced issue of road congestion. Electrical vertical take-off and landing (eVTOL) aircraft have been proposed as a solution to alleviate road congestion by enabling greener and ...
Altouq, Shadan
core   +2 more sources

Autonomous eVTOL: A summary of researches and challenges

open access: yesGreen Energy and Intelligent Transportation
Due to the rising concept of advanced air mobility (AAM), electric vertical take-off and landing (eVTOL) aircraft has become the hotspot for academic research and commercial application.
Senwei Xiang   +7 more
doaj   +1 more source

Geometric Sensitivity and Performance–Flow Field Coupling in Coaxial and Staggered Rotor Systems

open access: yesInternational Journal of Aerospace Engineering, Volume 2026, Issue 1, 2026.
Multirotor aerodynamic interference exerts a remarkable influence on the aerodynamic characteristics of distributed rotorcraft. It triggers complex flow structures and performance changes, whereas the inherent relationship between flow field characteristics and performance evolution has not yet been clarified.
He Zhu   +6 more
wiley   +1 more source

An Objective Handling Qualities Assessment Framework of Electric Vertical Takeoff and Landing

open access: yesAerospace
Assessing handling qualities is crucial for ensuring the safety and operational efficiency of aircraft control characteristics. The growing interest in Urban Air Mobility (UAM) has increased the focus on electric Vertical Takeoff and Landing (eVTOL ...
Yuhan Li   +5 more
doaj   +1 more source

Pre‐Lithiation and Continuous Lithium Compensation Technologies for Advanced Lithium‐Ion Batteries

open access: yesEcoEnergy, Volume 3, Issue 4, December 2025.
In response to continuous active lithium loss in LIBs, pre‐lithiation and continuous lithium compensation strategies have emerged as focal points of intensive research. This review provides a comprehensive and critical summary of recent advancements in advanced lithium replenishment technologies.
Wang Huang   +11 more
wiley   +1 more source

Comprehensive multi-disciplinary design of an electric vertical take-off and landing aircraft

open access: yes
The advent of electric Vertical Take-Off and Landing (eVTOL) aircraft represents a significant shift in aerospace design, driven by the promise of cleaner, quieter, and more efficient urban air mobility solutions.
Lim, Shawn Kin Yip
core   +1 more source

Generic eVTOL Aircraft Preliminary Sizing Method for AAM/UAM Missions [PDF]

open access: yes, 2022
Advanced Air Mobility (AAM) or Urban Air Mobility (UAM) presents many challenges to the aircraft design. The concept not only requires operations over urban airspace but also without the use of traditional airports with long runways.
Khan, Y. M., Balli, M. E., Trainelli, L.
core  

Layered optimization design of dual three-phase drive motors for eVTOL aircraft based on NSGA-Ⅲ

open access: yesHangkong gongcheng jinzhan
By optimizing the design of electric motors for electric vertical take-off and landing(eVTOL) aircraft, significant improvements can be achieved in torque density and efficiency while reducing torque ripple, thereby enhancing the application potential of
WANG Haoyu   +6 more
doaj   +1 more source

Reallocation of active lithium by regulating electrochemical structural connectivity in anode‐free lithium metal batteries

open access: yesInfoMat, Volume 7, Issue 12, December 2025.
The columnar Li stacks induced by high‐density spatial multidimensional nucleation mode have stable bulk‐phase electronic pathway and interfacial kinetic structure, which significantly reduces the quasi‐linear accumulation of irreversible Li during the cycling process.
Jinqi Zhu   +8 more
wiley   +1 more source

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