Results 31 to 40 of about 362,448 (239)
Electric vertical takeoff and landing (eVTOL) aircraft have attracted tremendous attention nowadays due to their flexible maneuverability, precise control, cost efficiency, and low noise.
Shuan-Tai Yeh, Xiaosong Du
doaj +1 more source
Optimization Design of Fluoro-Cyanogen Copolymer Electrolyte to Achieve 4.7 V High-Voltage Solid Lithium Metal Battery. [PDF]
A 4.7 V high‐voltage solid copolymer electrolyte (PAFP) containing fluoro‐cyanogen group with ultrahigh ionic conductivity (1.2 mS cm−2) at 25 °C, high Li+ transference number (0.71) and superior electrochemical window (5.5 V), is designed and synthesized by polymer molecular engineering.
Xu W +10 more
europepmc +2 more sources
Urban Air Mobility: Viability of Hub-Door and Door-Door Movement by Air [PDF]
Owing to a century of innovation in connected and automated aircraft design, for the rst time in history, air transport presents a potential competitive alternative to road, for hub-to-door and door-to-door urban services.
Bulusu, Vishwanath, Sengupta, Raja
core
Improved Conceptual Design of eVTOL Aircraft: Considering Rotor–Rotor Interactional Effects
Electric vertical takeoff and landing (eVTOL) aircraft equipped with a distributed electric propulsion (DEP) system have rotors positioned close to one another, leading to unsteady rotor–rotor interactions.
Hojin Kim +3 more
semanticscholar +1 more source
ABSTRACT System of Systems (SoS) environments are inherently complex, involving numerous operationally and managerially independent component systems with hidden interdependencies and frequent interactions based on unstructured data. In this paper, we propose using graphical Retrieval‐Augmented Generation (GraphRAG), a tool that combines large language
Yinchien Huang +2 more
wiley +1 more source
Experimental Study on Fire Resistance of Electric Vertical Take-Off and Landing Electrical Connector
As a core technology in the future of aviation transportation, the safety and reliability of electric vertical take-off and landing (eVTOL) aircraft are of paramount importance.
Tai Zeng +5 more
doaj +1 more source
Identification of Missing Knowledge in MBSE System Models Using Graph‐Based Machine Learning
ABSTRACT The design and development of complex aerospace systems pose significant challenges due to their growing complexity. Iterative design processes, guided by formal specifications, strive to refine initially vague characteristics through multiple stages.
Esma Karagoz +2 more
wiley +1 more source
Developing Alsim AL250 based eVTOL flight simulator
A novel eVTOL aircraft simulator was developed for research and teaching purposes. The simulator integrated MATLAB/Simulink flight dynamics model with Alsim AL250 FNPT II flight simulator.
Vilius Portapas
doaj +1 more source
Space Weather and Low‐Altitude Drone Economy
Abstract Unmanned Aerial Vehicles (UAVs) are becoming integral to the emerging low‐altitude economy, operating primarily below 3,000 m for applications such as logistics, inspection, precision agriculture, and urban air mobility. The safe and reliable operation of UAVs depends critically on communication, navigation, and surveillance (CNS) systems ...
Dabin Xue +3 more
wiley +1 more source
This paper proposes a conceptual design optimization method for the powertrain of electric vertical takeoff and landing (eVTOL) aircraft. The converter selection, semiconductor device selection, inductor design, capacitor selection, and thermal ...
Zeyu Cheng +3 more
doaj +1 more source

