Measurement of the Natural Frequency of Bench Drill Based on Fiber Bragg Grating

Liu Chunxiao; Yu Youlong; Hong Jun; Xue Hang

doi:10.3788/lop50.020601

Journals >Laser & Optoelectronics Progress >Volume 50 >Issue 2 >Page 20601 > Article

Laser & Optoelectronics Progress
Vol. 50, Issue 2, 20601 (2013)

Measurement of the Natural Frequency of Bench Drill Based on Fiber Bragg Grating

Liu Chunxiao^*, Yu Youlong, Hong Jun, and Xue Hang

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[in Chinese]

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DOI: 10.3788/lop50.020601 Cite this Article Set citation alerts

Liu Chunxiao, Yu Youlong, Hong Jun, Xue Hang. Measurement of the Natural Frequency of Bench Drill Based on Fiber Bragg Grating[J]. Laser & Optoelectronics Progress, 2013, 50(2): 20601 Copy Citation Text

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Abstract

A new method for measuring the natural frequency of a complex structure using fiber Bragg grating (FBG) sensor is introduced. The FBG strain sensor is stuck on the surface of the drill block. The natural frequency of the drill is measured to be 23.9 Hz by monitoring the strain change caused by mechanical vibration. It matches the result achieved by ANSYS finite element analysis very well.

Keywords

ANSYS finite element analysis bench drill fiber grating sensor fiber optics natural frequency

Liu Chunxiao, Yu Youlong, Hong Jun, Xue Hang. Measurement of the Natural Frequency of Bench Drill Based on Fiber Bragg Grating[J]. Laser & Optoelectronics Progress, 2013, 50(2): 20601

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