Application of fibre optic sensing systems to measure rotor blade structural dynamics

Simone Weber,Thomas Kissinger,Edmond Chehura,Stephen Staines,James Barrington,Kevin Mullaney,Luca Zanotti Fragonara,Ivan Petrunin,Stephen James,Mudassir Lone,Ralph Tatam

Mechanical Systems and Signal Processing（2021）

引用 11|浏览3

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摘要

•Ground vibration test of helicopter blade using two optical fibre sensing techniques.•Mode frequencies and shapes determined using both techniques.•Novel direct fibre optic shape sensing directly yields displacement mode shapes.•Comparison of fibre optic sensors with accelerometers and finite element model.

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关键词

Bearingless main rotor blade,Fibre Bragg gratings,Shape measurement

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