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The latest results of a research project pursuing an energy-autonomous Structural Health Monitoring (SHM) system for wind farms are presented. The SHM system is based on the development of low-power IoT wireless nodes and electromagnetic harvesters to capture energy from low-frequency vibrations of wind towers. Computationally efficient operational modal analysis methods suited to the low-cost IoT edge nodes are also explored. The work carried out aims to extend the lifetime of existing wind farms by properly monitoring their structural integrity.
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López‐Martín et al. (2025) studied this question.
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