Wireless sensor node powered by piezoelectric vibration energy harvester for vibrational mode identification and structural health monitoring
Takaharu Yamada,
Haruhiko Asanuma,
Yushin Hara
Abstract:We applied our previously developed wireless sensor node (WSN), which is powered by a piezoelectric vibration energy harvester (VEH), to structural health monitoring and verified its classification performance. The self-powered WSN can measure structural vibrations and transmit the three-axis acceleration waveform data wirelessly. A normal intact beam and four beams that had a single notch cut at four different locations were prepared for classification testing. The WSN, which was connected to the piezoelectri… Show more
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