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Optimal impulsive manoeuvres and aerodynamic brakingA method developed for obtaining solutions to the aerodynamic braking problem, using impulses in the exoatmospheric phases is discussed. The solution combines primer vector theory and the results of a suboptimal atmospheric guidance program. For a specified initial and final orbit, the solution determines: (1) the minimum impulsive cost using a maximum of four impulses, (2) the optimal atmospheric entry and exit-state vectors subject to equality and inequality constraints, and (3) the optimal coast times. Numerical solutions which illustrate the characteristics of the solution are presented.
Document ID
19850048899
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Jezewski, D. J.
(NASA Johnson Space Center Houston, TX, United States)
Date Acquired
August 12, 2013
Publication Date
March 1, 1985
Publication Information
Publication: Optimal Control Applications and Methods
Volume: 6
ISSN: 0143-2087
Subject Category
Astrodynamics
Accession Number
85A31050
Distribution Limits
Public
Copyright
Other

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