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Murat fig1Saving Blades Using their Acoustic Signature
It has recently been shown by the team at the University of Massachusetts Lowell that the acoustic signature generated by a turbine itself can be used to detect blade damage. This acoustics-based blade structural health monitoring approach will help minimise blade failures and lower the levelised cost of energy through a reduction in O&M costs. The proposed solution consists of low-cost, easy-to-implement acoustic sensors and a central data processing and wireless data transmission unit. The monitoring solution can be installed on both new and existing wind turbines.
By Murat Inalpolat, University of Massachusetts Lowell, USA

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