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Optical Engineering

Development of an active truss element for control of precision structures
Author(s): Eric H. Anderson; Donald M. Moore; James L. Fanson; Mark A. Ealey
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Paper Abstract

An active structural element for use in precision control of large space structures is described. The active member is intended to replace a passive strut in a truss-like structure. It incorporates an eddy current displacement sensor and an actuator that is either piezoelectric (PZT) or electrostrictive (PMN). The design of the device is summarized. Performance of separate PZT and PMN actuators is compared for several properties relevant to submicrometer control of precision structures.

Paper Details

Date Published: 1 November 1990
PDF: 9 pages
Opt. Eng. 29(11) doi: 10.1117/12.55735
Published in: Optical Engineering Volume 29, Issue 11
Show Author Affiliations
Eric H. Anderson, Massachusetts Institute of Technology (United States)
Donald M. Moore, Jet Propulsion Lab. (United States)
James L. Fanson
Mark A. Ealey


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