Vibration monitoring by a spatially integrating fiber optic sensor

Arkady S. Voloshin; Lei Han; John P. Coulter

doi:10.1117/12.208293

8 May 1995 Vibration monitoring by a spatially integrating fiber optic sensor

Arkady S. Voloshin, Lei Han, John P. Coulter

Proceedings Volume 2443, Smart Structures and Materials 1995: Smart Structures and Integrated Systems; (1995) https://doi.org/10.1117/12.208293
Event: Smart Structures and Materials '95, 1995, San Diego, CA, United States

Abstract

Fiber optic sensors (FOS) for vibration monitoring of smart structures have certain advantages over conventional strain gage based sensors due to electromagnetic environment insensitivity and high response bandwidth. During the present study, a spatially integrating fiber optic sensor was used for vibration monitoring. It is based on the concept that the optimal placement of the sensing element can be sought by using a priori knowledge of the mode shapes of the structure. The applicability of this approach to polarimetric optical fibers is described. The acquired integrating FOS signal was used to sense and control the vibration of an electrorheological adaptive structure subjected to a random external excitation.

Citation Download Citation

Arkady S. Voloshin, Lei Han, and John P. Coulter "Vibration monitoring by a spatially integrating fiber optic sensor", Proc. SPIE 2443, Smart Structures and Materials 1995: Smart Structures and Integrated Systems, (8 May 1995); https://doi.org/10.1117/12.208293

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