Results 71 to 80 of about 947 (191)

A Framework of a Power Management System for a Hybrid Electric VTOL Aircraft using Optimal Control

open access: yes, 2022
The operation of a hybrid fixed-wing vertical takeoff and landing unmanned aerial vehicle (VTOL UAV) is assessed using an optimal control framework for the most energy-efficient and time-efficient trajectories.
Pham, Duc Ngoc
core  

An Aircraft Icing Detection Method Based on Performance Data of Rotor

open access: yesTransactions of Nanjing University of Aeronautics and Astronautics
Existing icing detection technologies face challenges when applied to small and medium-sized aircraft, especially electric vertical take-off and landing (eVTOL) aircraft that meet the needs of low-altitude economic development. This study proposes a data-
WU Yuan, ZHU Dongyu, XU Lingsong, YU Lei
doaj   +1 more source

Flight Tests of Trajectory Energy Management Systems Using a Vertical Takeoff and Landing Vehicle [PDF]

open access: yes, 2020
The rise of new aircraft propulsion methods (e.g. powered by batteries, fuel cells or hybrid electric systems), the increased use of automated and integrated flight control systems, and the envisioned use of personal Vertical Takeoff and Landing (VTOL ...
Senkans, Emils
core   +1 more source

Investigating the Thermal Management System of eVTOL Flying Car in Future Urban Air Mobility Application

open access: yesZhileng xuebao
Electric Vertical Takeoff and Landing (eVTOL) flying cars constitute a prospective technological trajectory for the evolution of urban air mobility. However, a great challenge to the thermal management system is raised by the high heat dissipation power ...
陈溢群, 巫江虹, 杨槐宇
doaj  

EA-TD3: An Energy-Aware Autonomous Trajectory Planning Method for Unmanned Electric Vertical Takeoff and Landing Aircraft

open access: yesDrones
Autonomous trajectory planning for electric Vertical Takeoff and Landing (eVTOL) Unmanned Aerial Vehicles (UAVs) faces the dual challenges of low-altitude environmental interference and limited onboard energy, which affects the reliability and safety of ...
Jinxu Cai   +5 more
doaj   +1 more source

Surrogate-Based Multidisciplinary Optimization for the Takeoff Trajectory Design of Electric Drones [PDF]

open access: yes
Electric vertical takeoff and landing (eVTOL) aircraft attract attention due to their unique characteristics of reduced noise, moderate pollutant emission, and lowered operating cost.
Samuel Sisk   +3 more
core   +1 more source

Vertical Take-Off and Landing Vehicle with Increased Cruise Efficiency [PDF]

open access: yes, 2016
Systems, methods, and devices are provided that combine an advance vehicle configuration, such as an advanced aircraft configuration, with the infusion of electric propulsion, thereby enabling a four times increase in range and endurance while ...
Rothhaar, Paul M.   +9 more
core  

A Critical Review of Multi-Energy Microgrids and Urban Air Mobility

open access: yesThermo
This paper offers a critical review of cutting-edge research on multi-energy microgrids (MEMs), with a novel exploration of their potential role in supporting urban air mobility (UAM), specifically electric vertical takeoff and landing (eVTOL) aircraft ...
Yujie Yuan   +3 more
doaj   +1 more source

Optimizing Urban Air Mobility: A Ground-Connected Approach to Select Optimal eVTOL Takeoff and Landing Sites for Short-Distance Intercity Travel

open access: yesIEEE Open Journal of Vehicular Technology
The progression of low-carbon aviation policies and the maturation of electric vertical take-off and landing (eVTOL) technology have engendered considerable prospects for the advancement of short-haul intercity and intra-city transportation systems.
Yantao Wang   +3 more
doaj   +1 more source

Communication Systems for Autonomous eVTOL: Regulatory Challenges, Emerging Technologies, and Future Directions

open access: yesIEEE Open Journal of the Communications Society
Electric Vertical Takeoff and Landing (eVTOL) systems promise to transform urban mobility by reducing congestion and improving accessibility within the Urban Air Mobility (UAM) framework.
Ishan Aryendu   +5 more
doaj   +1 more source

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