Results 21 to 30 of about 45,704 (312)

Design of DC grid system for green intelligent hybrid bulk carrier

Zhongguo Jianchuan Yanjiu, 2023
ObjectiveAccording to the characteristics of the complex waterways of inland rivers, a DC grid solution based on a multi-energy parallel hybrid green intelligent bulk carrier is proposed.
Li SU
doaj   +1 more source

Electric Waterborne Public Transportation in Venice: a Case Study [PDF]

, 2015
The paper reports the results of a study for moving the present diesel-based watercraft propulsion technology used for public transportation in Venice city and lagoon to a more efficient and smart electric propulsion technology, in view of its adopted in
Bolognani, Silverio, Campostrini, P., Ferrari, A., Guarnieri, Massimo, Morandin, Mattia   +4 more
core   +1 more source

Analytical, circle-to-circle low-thrust transfer trajectories with plane change [PDF]

, 2013
Orbit averaging techniques are used to develop analytical approximations of circle-to-circle low-thrust trajectory transfers with plane-change about the Sun.
Appourchaux T., Innes C.R., Mann T., Quarta A.A., Wakker K.E., Wertz J. R.   +5 more
core   +1 more source

IPMSM torque control strategies based on LUTs and VCT feedback for robust control under machine parameter variations [PDF]

, 2016
In recent years, Interior Permanent Magnet Synchronous Machines (IPMSMs) have attracted a considerable attention in the scientific community and industry for Electric and Hybrid Electric Vehicle (HEV) propulsion systems.
Arias Pujol, Antoni, Diaz de Guereñu, A., Ibarra Basabe, Edorta, Lopez, Iñigo, Peña, alberto, Salazar, Cristobal, Trancho, Elena   +6 more
core   +1 more source

Hybrid Propulsion Systems for Remotely Piloted Aircraft Systems

Aerospace, 2018
The development of more efficient propulsion systems for aerospace vehicles is essential to achieve key objectives. These objectives are to increase efficiency while reducing the amount of carbon-based emissions.
Mithun Abdul Sathar Eqbal, Nuwantha Fernando, Matthew Marino, Graham Wild   +3 more
doaj   +1 more source

A novel interplanetary communications relay [PDF]

, 2010
A case study of a potential Earth-Mars interplanetary communications relay, designed to ensure continuous communications, is detailed. The relay makes use of orbits based on artificial equilibrium points via the application of continuous low thrust ...
Andersson G., Baig S., Forward R. L., Leipold M., McInnes C. R., McInnes C. R., Mengali G., PolarOrbiter, Sail MissionPerformance, Simo J., Systems, Trajectories, West J. L.   +12 more
core   +1 more source

Smart Design: Application of an Automatic New Methodology for the Energy Assessment and Redesign of Hybrid Electric Vehicle Mechanical Components

Vehicles, 2022
This work aimed to develop an automatic new methodology based on establishing if a mechanical component, designed for a conventional propulsion system, is also suitable for hybrid electric propulsion.
Umberto Previti, Antonio Galvagno, Giacomo Risitano, Fabio Alberti   +3 more
doaj   +1 more source

IMOTHEP: designing hybrid electric propulsion concepts

, 2022
Presentation at ONERA-DLR-IRT AESE European workshop on multidisciplinary optimization, Bures-sur-Yvette (FR), 20-21 Sept ...
Novelli, Philippe, Defoort, Sebastien, Lefèbvre, T, Nguyen Van, Eric   +3 more
openaire   +1 more source

Generation of optimal trajectories for Earth hybrid pole sitters [PDF]

, 2011
A pole-sitter orbit is a closed path that is constantly above one of the Earth's poles, by means of continuous low thrust. This work proposes to hybridize solar sail propulsion and solar electric propulsion (SEP) on the same spacecraft, to enable such a ...
Becerra V. M., Becerra V. M., Betts J. T., Colin R. McInnes, Gershman R., Lazzara M. A., Leipold M., Leiter H. J., Matteo Ceriotti, McInnes C. R., Mori O., Simo J., Wertz J. R.   +12 more
core   +1 more source

A Comparative Assessment of Hybrid Parallel, Series, and Full-Electric Propulsion Systems for Aircraft Application

IEEE Access, 2022
This article presents a preliminary suitable sizing methodology for the design process of the powertrain architecture for a hybrid-electric propulsion system for ultra-light and general aviation aircraft.
Enrico Fornaro, Massimo Cardone, Adolfo Dannier   +2 more
doaj   +1 more source