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Piezoelectric ceramic (PZT) transducers, which can be surface-mounted on or embedded in structures, are widely used for structural health monitoring. Since they are only sensitive to cracks nearby, the use of ones pasted on structures' surfaces may not be able to detect accurately the deep damages especially in large size structures. Therefore, the embedded PZT transducers display more advantages...
In this work a new approach is presented for evaluating the nonlinear coupling relations of monitoring multi-points on bridge health monitoring. Two different information-theoretic (IT) measures, the time-delayed mutual information and the time-delayed transfer entropy, are used to provide a measure of the coupling between monitoring points. Among three points for monitoring of two sections for deflection...
In this paper, a novel sensor network architecture for structural health monitoring is presented. The system is based on the adoption of purposely developed contactless sensors that make use of near-field coupling to both sense the structure displacements and deploy a local communication network. The key features of the adopted technology are the low-realization costs and the lower power consumption...
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