12 August 2008 The mass loading effect on lightweight cantilever mode frequency measurement by optical fiber sensor
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Proceedings Volume 7099, Photonics North 2008; 70991X (2008) https://doi.org/10.1117/12.804703
Event: Photonics North 2008, 2008, Montréal, Canada
Abstract
Dynamic response of lightweight structures is affected by the mass of a transducer. The additional mass of the transducer is defined as a mass loading for the system, which is comparable to the weight of the structures, such as composites and thin cantilever beam/bar. In this paper, we measure the bending and torsion mode frequencies with and without mass loading to the lightweight structures by using lightweight optical fiber sensor (OFS) and conventional accelerometer. The frequency difference is verified by the finite element method using ANSYS software. The OFS, benefited to its lightweight, has shown the advantage of measuring vibration frequency accurately without affecting the dynamic response of the structure.
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Ziyi Zhang, Pingyu Zhu, Xiaoyi Bao, "The mass loading effect on lightweight cantilever mode frequency measurement by optical fiber sensor", Proc. SPIE 7099, Photonics North 2008, 70991X (12 August 2008); doi: 10.1117/12.804703; https://doi.org/10.1117/12.804703
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