Results 21 to 30 of about 947 (191)

Overview of all-electric/hybrid helicopter powertrain and transmission system

open access: yesHangkong gongcheng jinzhan, 2020
With the increasing demands for environmental protection and energy efficiency in the aviation industry, the electrification of helicopters has become an important direction for the development of aviation power technologies.
MENG Di   +6 more
doaj   +1 more source

Distributed deep reinforcement learning for autonomous aerial eVTOL mobility in drone taxi applications

open access: yesICT Express, 2021
The urban aerial mobility (UAM) system, such as drone taxi or air taxi, is one of future on-demand transportation networks. Among them, electric vertical takeoff and landing (eVTOL) is one of UAM systems that is for identifying the locations of ...
Won Joon Yun   +3 more
doaj   +1 more source

Wireless Communication for Flying Cars

open access: yesFrontiers in Communications and Networks, 2021
Current ground-based transportation systems are subjected to various challenges, including the high cost of infrastructure development, limited land space, and a growing urban population.
Nasir Saeed   +2 more
doaj   +1 more source

Flight Test of L1 Adaptive Control on 120-kg-Class Electric Vertical Take-Off and Landing Vehicles

open access: yesIEEE Access, 2021
Electric vertical take-off and landing vehicles (eVTOLs) are a novel class of transportation that can facilitate point-to-point travel. However, the control of eVTOLs traversing from the gyro to the fixed-wing flight mode poses daunting challenges in the
Zian Wang   +4 more
doaj   +1 more source

Development and testing of vertical take-off and landing aerial vehicle with tandem electric ducted fan motor [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2023
Due to the complexity of control mechanisms, vertical take-off and landing (VTOL) aerial vehicles have not found their way into widespread commercial use. Thanks to the availability of advanced technology, it is possible to develop simpler systems.
Kristjan Pütsep   +3 more
doaj   +1 more source

Role of flying cars in sustainable mobility

open access: yesNature Communications, 2019
Vertical takeoff and landing aircraft (VTOLs), or “flying cars” can shorten commute time and could play a niche role in sustainable mobility. The authors estimate that over long distances, fully-loaded electric VTOL taxis could result in fewer GHG ...
Akshat Kasliwal   +7 more
doaj   +1 more source

Flight simulation from takeoff to yawing of eVTOL airplane with coaxial propellers by fluid-rigid body interaction

open access: yesAdvances in Aerodynamics, 2023
In this study, we adopt a coupled fluid-rigid body simulation using the moving computational domain method and multi-axis sliding mesh method for the takeoff, hovering, and yawing flight of an electric vertical takeoff and landing aircraft (eVTOL).
Ritsuka Gomi   +5 more
doaj   +1 more source

Hybrid Electrical Architecture for Vertical Takeoff and Landing Unmmaned Aerial Vehicule

open access: yes, 2016
Recently, Unmanned Aerial Vehicles (UAV) become a significant research area due to their multiple domains of applications such as: search and rescue operations, aerial surveying of crops, inspecting power lines and pipelines, delivering medical supplies to remote or otherwise inaccessible regions.
Souad Berradi   +2 more
openaire   +1 more source

Prognostics for Lithium-ion batteries for electric Vertical Take-off and Landing aircraft using data-driven machine learning

open access: yesEnergy and AI, 2023
The health management of batteries is a key enabler for the adoption of Electric Vertical Take-off and Landing vehicles (eVTOLs). Currently, few studies consider the health management of eVTOL batteries.
Mihaela Mitici   +3 more
doaj   +1 more source

Design and Modeling of a High-Peak-Power Distributed Electric Propulsion System for a Super-STOL UAV

open access: yesDrones
Electric short takeoff and landing (eSTOL) aircraft utilize the slipstream generated by distributed propellers to significantly increase the effective lift coefficient and reduce the takeoff and landing distances.
Jia Zong   +4 more
doaj   +1 more source

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