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Proceedings Paper

Wavelength encoding long stroke fiber optic linear position sensor for actuator control applications
Author(s): William B. Spillman Jr.; Robert D. LaClair; Robert E. Rudd III; Frederick G. Hoff
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Paper Abstract

Fiber optic sensing technology has now reached the point at which it is mature enough to be applied to practical aerospace applications. In particular, closed loop control of flight surfaces in which the sensor continuously monitors actuator position in order to provide feedback to the control system is of interest. In this paper, we describe the principle of operation, design and preliminary testing of a long stroke length (20 cm, 7.8 inches) wavelength encoding multimode fiber optic linear position sensor. The sensor provides a significant reduction in size over conventional LVDT sensors for the same application.

Paper Details

Date Published: 22 May 1995
PDF: 8 pages
Proc. SPIE 2467, Fly-by-Light: Technology Transfer, (22 May 1995); doi: 10.1117/12.210085
Show Author Affiliations
William B. Spillman Jr., BFGoodrich Aerospace (United States)
Robert D. LaClair, BFGoodrich Aerospace (United States)
Robert E. Rudd III, BFGoodrich Aerospace (United States)
Frederick G. Hoff, BFGoodrich Aerospace (United States)

Published in SPIE Proceedings Vol. 2467:
Fly-by-Light: Technology Transfer
Daniel B. Thompson; Robert J. Baumbick; Larry B. Stotts, Editor(s)

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