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Structural monitoring of wind turbine with fibre bragg grating sensors in each blade
Structural monitoring of wind turbine with fibre bragg grating sensors in each blade
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机译:在每个叶片中带有光纤布拉格光栅传感器的风力涡轮机的结构监测
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摘要
A system for the structural monitoring of blades 1 on a wind turbine. Each blade 1 has respective optical fiber bragg grating sensors 5. The system has a number of input connectors, which connect to the strain sensors 5 of respective blades 1. A single output connector connects to a data processing device 3 which processes signals from the strain sensors 5. The input connectors each have a signal path to the output connector that is different in length to the signal path from the other input connectors, such that signals from a given blade 1 can be identified at the data processing device 3 by the time of arrival of the signals. The system has the advantage that the each of the blades 1, including the sensors attached to it or embedded within it can be identical and therefore interchangeable.
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