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Travelling wave effects in large space structuresSeveral aspects of travelling waves in Large Space Structures(LSS) are discussed. The dynamic similarity among LSS's, electric power systems, microwave circuits and communications network is noted. The existence of time lag between actuation and response is illuminated with the aid of simple examples, and their prediction is demonstrated. To prevent echoes, communications lines have matched terminations; this idea is applied to the design of dampers of one dimensional structures. Periodic structures act as mechanical band pass filters. Implications of this behavior are examined on a simple example. It is noted that the implication is twofold; continuum models of periodic lattice structures may err considerably; on the other hand, it is possible to design favorable transmission (and resonance) characteristics into the structure.
Document ID
19830027803
Acquisition Source
Legacy CDMS
Document Type
Conference Paper
Authors
Vonflotow, A.
(Stanford Univ. CA, United States)
Date Acquired
August 11, 2013
Publication Date
July 1, 1983
Publication Information
Publication: JPL Proc. of the Workshop on Appl. of Distributed System Theory to the Control of Large Space Struct.
Subject Category
Spacecraft Design, Testing And Performance
Accession Number
83N36074
Funding Number(s)
CONTRACT_GRANT: NAG1-97
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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