Accurate locating method in vibration sensing system based on φ-OTDR and 3D printing sensor

Zhen Chen; Liang Zhang; Huanhuan Liu; Zhichao Liu; Na Chen; Fufei Pang

doi:10.1117/12.2538854

20 November 2019 Accurate locating method of vibration sensing system based on φ-OTDR and 3D printing sensor

Zhen Chen, Liang Zhang, Huanhuan Liu, Zhichao Liu, Na Chen, Fufei Pang

Proceedings Volume 11192, Real-time Photonic Measurements, Data Management, and Processing IV; 111920O (2019) https://doi.org/10.1117/12.2538854
Event: SPIE/COS Photonics Asia, 2019, Hangzhou, China

Abstract

We propose a vibration detection system based on Phase-sensitive Optical Time Domain Reflectometry (φ-OTDR) and 3D printed sensors. The sensor is composed of a cylindrical elastomer wounded by bend insensitive optical fiber. The cylindrical elastomer is made of flexible material by 3D printing machine. We have demonstrated that the 3D printed sensor is highly sensitive to vibration. Experimental results also show that the sensors in our vibration detection system can distinguish different distances from the vibration source, indicating an accurate locating approach of structural damage in health monitoring for large scale civil engineering structure.

Citation Download Citation

Zhen Chen, Liang Zhang, Huanhuan Liu, Zhichao Liu, Na Chen, and Fufei Pang "Accurate locating method of vibration sensing system based on φ-OTDR and 3D printing sensor", Proc. SPIE 11192, Real-time Photonic Measurements, Data Management, and Processing IV, 111920O (20 November 2019); https://doi.org/10.1117/12.2538854

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