NDLI: Modelling and simulation of space station freedom berthing dynamics and control

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Modelling and simulation of space station freedom berthing dynamics and control

Content Provider	NASA Technical Reports Server (NTRS)
Author	Stockwell, Alan E. Garrison Jr., James L. Montgomery, Raymond C. Cooper, Paul A. Demeo, Martha E. Wu, Shih-Chin
Copyright Year	1994
Description	A large-angle, flexible, multibody, dynamic modeling capability has been developed to help validate numerical simulations of the dynamic motion and control forces which occur during berthing of Space Station Freedom to the Shuttle Orbiter in the early assembly flights. This paper outlines the dynamics and control of the station, the attached Shuttle Remote Manipulator System, and the orbiter. The simulation tool developed for the analysis is described and the results of two simulations are presented. The first is a simulated maneuver from a gravity-gradient attitude to a torque equilibrium attitude using the station reaction control jets. The second simulation is the berthing of the station to the orbiter with the station control moment gyros actively maintaining an estimated torque equilibrium attitude. The influence of the elastic dynamic behavior of the station and of the Remote Manipulator System on the attitude control of the station/orbiter system during each maneuver was investigated. The flexibility of the station and the arm were found to have only a minor influence on the attitude control of the system during the maneuvers.
File Size	5476230
Page Count	170
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19950005534
Archival Resource Key	ark:/13960/t71w0ff1p
Language	English
Publisher Date	1994-08-01
Access Restriction	Open
Subject Keyword	Spacecraft Design, Testing And Performance Dynamic Response Orbital Mechanics Dynamic Structural Analysis Spacecraft Maneuvers Attitude Control Remote Manipulator System Spacecraft Control Space Station Freedom Computerized Simulation Spacecraft Docking Space Shuttle Orbiters 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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