Results 41 to 50 of about 18,891,851 (185)
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроениеThe problem of selecting suboptimal parameters of an electric propulsion system as part of a spacecraft, ensuring a geostationary orbit raising mission using a Soyuz-5 launch vehicle at the initial launch stage, is investigated. An expression is obtained
A. V. Kolesov, V. V. Salmin
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Energies, 2020 The article presents issues related to the possibility of using electric propulsion systems in units used to transport crews servicing wind towers at sea. Offshore wind energy issues are discussed.
Andrzej Łebkowski
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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 +3 more
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50’ Sail Catamaran with Hybrid Propulsion, Design, Theoretical and Experimental Studies
Polish Maritime Research, 2022 The development of modern lithium batteries and propulsion systems now allows the use of complex propulsion systems for vessels of various sizes. As part of the research and implementation project, a parallel hybrid drive system was designed, built and ...
Litwin Wojciech +3 more
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Speed control of marine main thruster motor based on super-twisting sliding mode variable structure
Advances in Mechanical Engineering, 2023 In order to solve the problem of torque-ripple in the control system of ship main propulsion motor controlled by direct torque control, this paper proposes a super-twisting sliding mode calculation method based on the traditional sliding mode controller,
Yan Langtao +3 more
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Battery System Modeling for a Military Electric Propulsion Vehicle with a Fault Simulation
Energies, 2013 This paper describes the development process and results of a battery system model with a fault simulation for electric propulsion vehicles. The developed battery system model can be used to verify control and fault diagnosis strategies of the ...
Hyeongcheol Lee +2 more
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Electric Propulsion System for a Maneuverable Orbital Vehicle
, 2003 This paper presents a proposed maneuverable orbital vehicle based on the International Space Station (ISS) equipped with electric thrusters. The vehicle makes use of an external site of the ISS (e.g., the Express Pallet) to host a detachable platform ...
CECCANTI F, MARCUCCIO, SALVO
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Recent Development of Aircraft Electric Propulsion System: A Technical Review
CES Transactions on Electrical Machines and SystemsThe technology of electric propulsion aircraft (EPA) represents an important direction and an advanced stage in the development of aviation electrification.
Wei Chen +4 more
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A near term pole-sitter using hybrid solar sail propulsion [PDF]
, 2010 In this paper we investigate optimal pole-sitter orbits using hybrid solar sail and solar electric propulsion(SEP). A pole-sitter is a spacecraft that is constantly above one of the Earth's poles. Optimal orbits, that minimize propellant mass consumption,
Ceriotti, M., McInnes, C.R.
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THE FUTURE OF SPACECRAFT NUCLEAR PROPULSION [PDF]
, 2014 This paper summarizes the advantages of space nuclear power and propulsion systems. It describes the actual status of international power level dependent spacecraft nuclear propulsion missions, especially the high power EU-Russian MEGAHIT study ...
Jansen, Frank, F. JANSEN
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