Optimizing spacecraft trajectories near the lunar surface with the use of an algorithm of step-by-step optimization.

Details Optimizing spacecraft trajectories near the lunar surface with the use of an algorithm of step-by-step optimization. Optimizing spacecraft trajectories near the lunar surface with the use of an algorithm of step-by-step optimization.

Aug 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998kosis..36..417k&link_type=abstract

Kosmicheskie Issledovaniia, Tom 36, No. 4, p. 417 - 422

Physics

Space Vehicles: Trajectories, Space Vehicles: Moon

Scientific paper

For the cases of (1) a spacecraft launch from the lunar surface into a circular orbit of a Moon's satellite in the central Newtonian Moon gravity field and (2) a soft landing of the spacecraft on the lunar surface, the problem of optimal control by the thrust magnitude and direction is considered (the jet engine thrust is assumed to be high). The problems are solved by a method of step-by-step (successive) optimization for the criterion of generalized work. The solutions which allow a spacecraft trajectory to be optimized in the real time of flight are obtained.

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