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- Grover, Piyush, et al.
(författare)
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Optimized Three-Body Gravity Assists and Manifold Transfers in End-to-End Lunar Mission Design
- 2012
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Ingår i: Advances in the Astronautical Sciences (Spaceflight Mechanics 2012: Proceedings of the 22nd AAS/AIAA Space Flight Mechanics Meeting). - 0065-3438 .- 1081-6003. - 9780877035817 - 9780877035824 ; 143 (2012), s. 1189-1203
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Konferensbidrag (refereegranskat)abstract
- We describe a modular optimization framework for GTO-to-moon mission design using the planar circular restricted three-body problem (PCR3BP) model. The three-body resonant gravity assists and invariant manifolds in the planar restricted three-body problem are used as basic building blocks of this mission design. The mission is optimized by appropriately timed delta-Vs, which are obtained by a shooting method and a Gauss-Pseudospectral collocation method for different phases of the mission. Depending upon the initial and final orbits, the optimized missions consume between 10-15 % less fuel compared to a Hohmann transfer, while taking around 4 to 5 months of travel time.
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