Abstract
A novel approach to structural monitoring of bridges is presented. Acoustic emission sensing has been constrained to hardwired systems up till now because the processing of high bandwidth sensor data on multiple channels requires a lot of energy. The presented prototype wireless system for the real-time detection of active fatigue cracks in bridges overcomes this problem by utilizing a low-power Flash FPGA for signal processing, a novel vibration energy harvester and a sophisticated sleep scheduler.
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Lédeczi, Á. et al. (2011). Self-sustaining Wireless Acoustic Emission Sensor System for Bridge Monitoring. In: Mukhopadhyay, S.C. (eds) New Developments in Sensing Technology for Structural Health Monitoring. Lecture Notes in Electrical Engineering, vol 96. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-21099-0_2
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DOI: https://doi.org/10.1007/978-3-642-21099-0_2
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