NDLI: Documentation of gemass entry to touchdown simulation. [space shuttle orbiter capability

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Documentation of gemass entry to touchdown simulation. [space shuttle orbiter capability

Content Provider	NASA Technical Reports Server (NTRS)
Author	Waibel, R. H.
Copyright Year	1977
Description	The entry-to-touchdown space shuttle orbiter simulation capability incorporated into the GEMASS subprogram 33 (3-DOF) is documented. A digital autopilot interfaces between GEMASS and the guidance. Vehicle attitude is determined by use of the ability of GEMASS to integrate differential equations in addition to the equations of motion. Vehicle aerodynamic characteristics are obtained from an aerodynamic data tape and control surface deflections required to trim the vehicle, and trimmed aerodynamic coefficients are determined internally. Several indicators to allow evaluation of subsystem performance are included; as is the ability of the user to activate any of several error dispersion sources. The performance of the simulation compares well with more sophisticated simulations.
File Size	5966788
Page Count	123
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19770017858
Archival Resource Key	ark:/13960/t0kt1gq5b
Language	English
Publisher Date	1977-05-11
Access Restriction	Open
Subject Keyword	Computer Programming And Software Spacecraft Guidance Aerodynamic Coefficients Touchdown Computerized Simulation Equations of Motion Space Shuttle Orbiters Computer Programs System Effectiveness Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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