Results 61 to 70 of about 18,891,851 (185)

Arcjet Propulsion System Study for NSSK

open access: yes, 1993
The study of a low power arcjet propulsion system and its application to north-south .station keeping of geostationary telecommunication satellites was carried out at Centrospazio in the framework of the arcjet propulsion system development program ...
ANDRENUCCI, MARIANO   +3 more
core  

Overview of Electric Propulsion Motor Research for EVTOL

open access: yesEngineering Proceedings
Electric aviation is the future development direction of aviation industry technology. Electric vertical take-off and landing aircraft(eVTOL) is an important carrier of electric aviation, whose technology research and development, processing and ...
Xiaopeng Zhao   +4 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

Non-Singular Fast Terminal Composite Sliding Mode Control of Marine Permanent Magnet Synchronous Propulsion Motors

open access: yesMachines
Regarding the high susceptibility problem of the Permanent Magnet Synchronous Motor (PMSM) to various uncertain factors, including load variations, parameter perturbations, and external interferences in the ship’s electric propulsion system, this paper ...
Zhaoting Liu   +6 more
doaj   +1 more source

A Multi-Phase Brushless Direct Current Motor Design and Its Implementation in Medium-Altitude Long-Endurance Unmanned Aerial Vehicles

open access: yesApplied Sciences
Nowadays, electric propulsion system implementation in vehicles is popular, and many studies and prototypes have been accomplished in this field. Aircraft are important members of the vehicle family, and Unmanned Aerial Vehicles (UAVs) are part of this ...
Emre Kurt   +3 more
doaj   +1 more source

Field Emission Electric Propulsion (FEEP) System Study

open access: yes, 1993
The mlcronewton thrust range capabilities or Field Emission Electric Propulsion have recently received considerable attention, In view ofthe application potential or this type of thrusters In high performance disturbance compensation systems.
ANDRENUCCI, MARIANO   +2 more
core  

Hollow Cathodes Development for Alternative Propellants Electric Propulsion Systems

open access: yes, 2022
The development of discharge cathodes has a long history at University of Pisa, starting from dedicated cathodes for MPD thrusters, and moving to laboratory prototype Hall thrusters and up to flight models.
M. M. Saravia   +5 more
core  

Electric Machine Design and Integration for an Electric Propulsion System in Medium-Altitude Long-Endurance Unmanned Aerial Vehicles

open access: yesApplied Sciences
Unmanned Aerial Vehicles (UAVs) are increasingly used in both civilian and military applications around the world. There are several types of UAVs with classifications according to several quantities.
Emre Kurt   +3 more
doaj   +1 more source

Research on SiC Speed Controller for High-Voltage Distributed Electric Propulsion System

open access: yesInternational Journal of Aerospace Engineering
The shift towards green aviation necessitates the adoption of all-electric aircraft, marking an essential trend in the aviation industry. Distributed propulsion systems enhance aircraft flexibility and reliability, synchronously reducing performance ...
Labin Wang   +4 more
doaj   +1 more source

Displaced periodic orbits with low-thrust propulsion [PDF]

open access: yes, 2009
Solar sailing and solar electric technology provide alternative forms of spacecraft propulsion. These propulsion systems can enable exciting new space-science mission concepts such as solar system exploration and deep space observation.
Simo, Jules, McInnes, Colin R.
core  

Home - About - Disclaimer - Privacy