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Proceedings Paper

Strain-based shape estimation algorithms for a cantilever beam
Author(s): George C. Kirby III; Tae W. Lim; R. Weber; Albert Bosse; C. Povich; Shalom Fisher
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Paper Abstract

Strain-displacement mappings based on linear and quadratic curvature assumptions are derived, compared for a numerical model and applied to a 4.37 m tapered composite boom with a circular cross-section. Displacement estimations are obtained for both the vertical and horizontal directions with displacement estimation errors of less than 0.2 mm in the vertical direction and 1 mm in the horizontal direction. Limitations on strain displacement algorithms for long booms are discussed as well as strain sensor noise effects on estimation accuracy.

Paper Details

Date Published: 6 June 1997
PDF: 11 pages
Proc. SPIE 3041, Smart Structures and Materials 1997: Smart Structures and Integrated Systems, (6 June 1997); doi: 10.1117/12.275704
Show Author Affiliations
George C. Kirby III, Naval Research Lab. (United States)
Tae W. Lim, Univ. of Kansas (United States)
R. Weber, AlliedSignal Services Corp. (United States)
Albert Bosse, Naval Research Lab. (United States)
C. Povich, Univ. of Kansas (United States)
Shalom Fisher, Naval Research Lab. (United States)


Published in SPIE Proceedings Vol. 3041:
Smart Structures and Materials 1997: Smart Structures and Integrated Systems
Mark E. Regelbrugge, Editor(s)

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