hybrid propulsion
High area-to-mass ratio hybrid propulsion Earth to Moon transfers
... e increasing miniaturization of spacecraft engines and other components combined with the expanding capabilities of small lightweight systems has led to a number of interesting avenues of exploration for novel missions ...
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A novel approach to hybrid propulsion transfers
... a hybrid propulsion transfer termed a Hohmann Spiral, incorporating low and high-thrust technologies, analogous to the high-thrust bi-elliptic ...low-thrust propulsion values (150mN, 300mN and 450mN) ...
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An earth pole-sitter using hybrid propulsion
... using hybrid solar sail and solar electric propulsion ...the hybrid case are investigated and compared. It is found that the hybrid spacecraft allows consistent savings on propellant mass ...a ...
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Development of Hybrid Propulsion System for Energy Management and Emission Reduction in Maritime Transport System
... In general, strategic management of power (energy) current in hybrid is divided to three-stage of battery discharge, battery charging and braking. In the first case, as shown in (Figures 7-9), the battery works as ...
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Ascent trajectory optimisation for a single-stage-to-orbit vehicle with hybrid propulsion
... a hybrid-engine, high per- formance, unmanned, single-stage-to-orbit vehicle for payload deployment into low Earth ...A hybrid optimisation technique that couples a population-based, stochastic algo- rithm ...
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Hybrid Propulsion with Efficient Fueling System for Spacecraft
... At the initial stages, the spacecraft will take-off from the runway like a normal aircraft by using the green fuel propulsion. By increasing the engine thrust with increasing altitude, the spacecraft will reach ...
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Control System for Hydraulic Hybrid Propulsion System
... modeled in used discussed ln this are sequently be will HHPS, Prime Mover The the prime vehicle's identical to overcome more the cruise that acceleration, modes of air of a of sole The a[r] ...
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An energy management strategy for DC hybrid electric propulsion system of marine vessels
... — Hybrid propulsion systems with DC distribution for marine applications are attracting interest due to the critical demands to reduce the fuel consumption and emissions of conventional marine ...these ...
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Hybrid solar sail and SEP propulsion for novel Earth observation missions
... electric propulsion (SEP) and solar sailing. The intriguing concept of a hybrid propulsion spacecraft is attractive: by combining the two forms of propulsion, the drawbacks of the two systems ...
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Analytical, circle-to-circle low-thrust transfer trajectories with plane change
... of Hybrid Solar Sail, Constant Thrust Electric Propulsion Solar Polar Transfer As once again in this scenario the inclination as a function of time cannot be algebraically determined for a varying ...
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Static highly elliptical orbits using hybrid low-thrust propulsion
... two propulsion systems enables a new range of missions in which continuous low-thrust is ...These hybrid solar sail / SEP systems have been proposed for various applications including geostationary orbits ...
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Static highly elliptical orbits using hybrid low-thrust propulsion
... two propulsion systems enables a new range of missions in which continuous low-thrust is ...These hybrid solar sail / SEP systems have been proposed for various applications including geostationary orbits ...
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Low-thrust enabled highly non-Keplerian orbits in support of future Mars exploration
... with hybrid propulsion in turn translate into a partial benefit of using hybrid propulsion for a communications relay at ...the hybrid spacecraft can be displaced further from the pole ...
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Frequency transient suppression in hybrid electric ship power systems: a model predictive control strategy for converter control with energy storage
... in hybrid electric ships mainly due to the above-mentioned unique ...in hybrid ships has been reported in ...a hybrid propulsion shipboard power system with battery energy storage capability ...
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Hybrid solar sail and SEP propulsion for novel Earth observation missions
... electric propulsion (SEP) and solar sailing. The intriguing concept of a hybrid propulsion spacecraft is attractive: by combining the two forms of propulsion, the drawbacks of the two systems ...
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Non-Keplerian orbits using hybrid solar sail propulsion for Earth applications
... The transfers developed throughout this chapter serve the purpose of allowing an estimate of the pole-sitter mission performance in terms of payload capacity and/or mission lifetime. Clearly, to maximise these ...
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Survival in a globalised economy : maintaining the competitiveness of Kingston as a transhipment port
... The development of the merchant marine propulsion plant before The development of the merchant marine propulsion plant before and after the oil crisis in 1973.. and after the oil crisi[r] ...
118
A Real-time, Robust Control Strategy for Plug-in Hybrid Electric Vehicles.
... addition, no mechanical transmission is needed and the layout of the components is simplified, which is a significant advantage for high power vehicles such as military vehicles and buses. In a parallel powertrain, ...
149
Design, Development of Six Phase Squirrel Cage Induction Motor and its Comparative Analysis with Equivalent Three Phase Squirrel Cage Induction Motor Using Circle Diagram
... Here, a multi-phase system is a system with more than three stator phases. Among the different multi-phase induction motor drives being researched, following important advantage for the dual-3-phase induction motor ...
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A near term pole-sitter using hybrid solar sail propulsion
... and hybrid spacecraft, it is found that the latter requires a lower propellant mass ...the hybrid system allows a greater payload mass , with the same initial spacecraft mass , or vice- versa a smaller ...
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