Vibration detection for a composite smart structure embedded with a fiber grating sensor

Youngki Yoon; Seunghwan Chung; Moo Sun Kim; Woo Il Lee; Byoungho Lee

doi:10.1117/12.484264

22 July 2003 Vibration detection for a composite smart structure embedded with a fiber grating sensor

Youngki Yoon, Seunghwan Chung, Moo Sun Kim, Woo Il Lee, Byoungho Lee

Proceedings Volume 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems; (2003) https://doi.org/10.1117/12.484264
Event: Smart Structures and Materials, 2003, San Diego, California, United States

Abstract

An approach has been developed for real-time vibration monitoring of a composite cantilever beam. The fiber Bragg grating (FBG) sensor has an advantage to be embedded or bonded to the structure compared with other sensors such as piezoelectric sensor or strain gage, thus allowing the measurement of parameters like strain and temperature. In this paper the vibration sensor system with a FBG embedded in a composite smart structure is proposed. This system can assort vibration direction and sensing vibration amplitude just by measuring output voltage. The sensing resolution is decided by the slope of the filter used in the system.

Citation Download Citation

Youngki Yoon, Seunghwan Chung, Moo Sun Kim, Woo Il Lee, and Byoungho Lee "Vibration detection for a composite smart structure embedded with a fiber grating sensor", Proc. SPIE 5050, Smart Structures and Materials 2003: Smart Sensor Technology and Measurement Systems, (22 July 2003); https://doi.org/10.1117/12.484264

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