Structural load monitoring of the RV Triton using fiber optic sensors

Details Structural load monitoring of the RV Triton using fiber optic sensors Structural load monitoring of the RV Triton using fiber optic sensors

Jul 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002spie.4698..462k&link_type=abstract

Proc. SPIE Vol. 4698, p. 462-472, Smart Structures and Materials 2002: Industrial and Commercial Applications of Smart Structure

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This paper describes the installation and testing of a large-scale fiber optic sensor network on the British Trimaran Research Vessel (RV) Triton. In this on-going project with the Naval Surface Warfare Center, Carderock Division (NSWCCD) and the British Defence Science and Technology Laboratory (formerly DERA), Systems Planning and Analysis, Inc. (SPA) recently completed the installation and at-sea testing of an integrated hardware/software structural monitoring system for rough sea trial testing of the RV Triton. This paper describes a fiber optic Bragg grating sensor network comprising of 51 sensors, the interrogation system, and the processing algorithms used to simultaneously record strain data at both high- and low-speed frequencies, including triggering of the high-speed channels. This paper also details the sensor layout and installation process with emphasis on lessons learned during this procedure. The test procedure and sample data results are presented. Finally, conclusions are drawn from our experience and recommendations are given for future large-scale installations of optical sensing systems.

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