15 March 2016 Fiber optic vibration sensor for high-power electric machines realized using 3D printing technology
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Abstract
The objective of this work was to demonstrate a lightweight and inexpensive fiber-optic vibration sensor, built using 3D printing technology, for high-power electric machines and similar applications. The working principle is based on modulating the light intensity using a blade attached to a bendable membrane. The sensor prototype was manufactured using PolyJet Matrix technology with DM 8515 Grey 35 Polymer. The sensor shows linear response, expected bandwidth (< 150 Hz), and from our measurements we estimated the damping ratio for used polymer to be ζ ≈ 0.019. The developed prototype is simple to assemble, adjust, calibrate and repair.
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Bojan Igrec, Marko Bosiljevac, Zvonimir Sipus, Dubravko Babic, Smiljko Rudan, "Fiber optic vibration sensor for high-power electric machines realized using 3D printing technology", Proc. SPIE 9754, Photonic Instrumentation Engineering III, 975410 (15 March 2016); doi: 10.1117/12.2211578; https://doi.org/10.1117/12.2211578
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