NDLI: Structurally adaptive space crane concept for assembling space systems on orbit

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Structurally adaptive space crane concept for assembling space systems on orbit

Content Provider	NASA Technical Reports Server (NTRS)
Author	Sutter, Thomas R. Wu, K. Chauncey Dorsey, John T.
Copyright Year	1992
Description	Many future human space exploration missions will probably require large vehicles that must be assembled on orbit. Thus, a device that can move, position, and assemble large and massive spacecraft components on orbit becomes essential for these missions. A concept is described for such a device: a space crane concept that uses erectable truss hardware to achieve high-stiffness and low-mass booms and uses articulating truss joints that can be assembled on orbit. The hardware has been tested and shown to have linear load-deflection response and to be structurally predictable. The hardware also permits the crane to be reconfigured into different geometries to satisfy future assembly requirements. A number of articulating and rotary joint concepts have been sized and analyzed, and the results are discussed. Two strategies were proposed to suppress motion-induced vibration: placing viscous dampers in selected truss struts and preshaping motion commands. Preliminary analyses indicate that these techniques have the potential to greatly enhance structural damping.
File Size	1830973
Page Count	26
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19930006179
Archival Resource Key	ark:/13960/t0ps2pz8c
Language	English
Publisher Date	1992-11-01
Access Restriction	Open
Subject Keyword	Spacecraft Design, Testing And Performance Dynamic Structural Analysis Space Erectable Structures Cranes Structural Vibration Aerospace Systems Mass Vibration Damping Spacecraft Components Struts Space Exploration Orbital Assembly Trusses Large Space Structures 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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