Da Wang
Abstract
The maximum principle is utilized to generate an optimal guidance law for lunar gravity-turn descent. It is shown that there exists no singular arc for the problem and there is at most one switching during landing. Finally, an easily-mechanized near optimal guidance law is presented.
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The maximum principle is utilized to generate an optimal guidance law for lunar gravity-turn descent. It is shown that there exists no singular arc for the problem and there is at most one switching during landing. Finally, an easily-mechanized near optimal guidance law is presented.
Key concepts: Descent (aeronautics), Turn (biochemistry), Arc (geometry), Computer science, Geodesy, Geology, Control theory (sociology), Mathematics