VECTOR FORMULATIONS FOR SPHERICALLY BOUNDED SEARCH SPACES
SPACEFLIGHT MECHANICS 2019, VOL 168, PTS I-IV(2019)
摘要
In the optimization of spacecraft trajectories, it is often the case that there is some naturally arising bound(s) on the magnitudes of the associated velocities. Such constraints lead to a spherical or, more generally, an elliptical search space. Unfortunately, typical problem transcriptions instead search within a Cartesian box, applying these bounds to each dimension independently. This leads to a search space where nearly half of the search space is known to be useless a priori. The present work investigates an alternate interpretation of a velocity decision vector and assesses the effects of precluding this known sub-optimal space.
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