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Effects of modifications to the space shuttle entry guidance and control systemsA nonlinear six degree of freedom entry simulation study was conducted to identify space shuttle guidance and control system software modifications which reduce the control system sensitivity to the guidance system sampling frequency. Several modifications which eliminated the control system sensitivity and associated control limit cycling were examined. The result of the modifications was a reduction in required reaction control system fuel.
Document ID
19770004144
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Powell, R. W. (NASA Langley Research Center Hampton, VA, United States)
Stone, H. W. (NASA Langley Research Center Hampton, VA, United States)
Rowell, L. F. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
October 1, 1976
Subject Category
Launch Vehicles And Space Vehicles
Report/Patent Number
NASA-TN-D-8273
L-10408
Report Number: NASA-TN-D-8273
Report Number: L-10408
Accession Number
77N11087
Funding Number(s)
PROJECT: RTOP 506-26-30-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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