Dynamics Model for a Multi-Tethered Space-Based Interferometer

A mathematical dynamics model is established for a space-based interferometer concept comprised of multiple collector elements connected to a common central body by tethers of variable length. The system as a whole is to rotate in a coordinated fashion while the collectors simultaneously execute lin...

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description A mathematical dynamics model is established for a space-based interferometer concept comprised of multiple collector elements connected to a common central body by tethers of variable length. The system as a whole is to rotate in a coordinated fashion while the collectors simultaneously execute linear extension and retraction motions. The system is taken to consist of a single rigid body and N point mass collector elements connected to the rigid body by massless tethers. The equations of motion for the system are derived from fundamental Newton-Euler momentum principles. Tether constitutive behavior is discussed. Prescribed motion of any system degrees of freedom is treated, and expressions for the corresponding constraint force/torque components are established.
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Prescribed motion of any system degrees of freedom is treated, and expressions for the corresponding constraint force/torque components are established.</description><language>eng</language><subject>ACCUMULATORS ; Astronautics ; ATTITUDE DYNAMICS ; CELESTIAL MECHANICS ; DEGREES OF FREEDOM ; EQUATIONS OF MOTION ; EULER EQUATIONS ; INTERFEROMETERS ; MATHEMATICAL MODELS ; Mechanics ; Optics ; SPACE BASED ; TETHERING</subject><creationdate>2000</creationdate><rights>APPROVED FOR PUBLIC RELEASE</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,776,881,27546,27547</link.rule.ids><linktorsrc>$$Uhttps://apps.dtic.mil/sti/citations/ADA380377$$EView_record_in_DTIC$$FView_record_in_$$GDTIC$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Gates, Stephen S</creatorcontrib><creatorcontrib>NAVAL RESEARCH LAB WASHINGTON DC</creatorcontrib><title>Dynamics Model for a Multi-Tethered Space-Based Interferometer</title><description>A mathematical dynamics model is established for a space-based interferometer concept comprised of multiple collector elements connected to a common central body by tethers of variable length. 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subjects ACCUMULATORS
Astronautics
ATTITUDE DYNAMICS
CELESTIAL MECHANICS
DEGREES OF FREEDOM
EQUATIONS OF MOTION
EULER EQUATIONS
INTERFEROMETERS
MATHEMATICAL MODELS
Mechanics
Optics
SPACE BASED
TETHERING
title Dynamics Model for a Multi-Tethered Space-Based Interferometer
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