Impedance-based structural health monitoring system using wireless sensor networks
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Data
2013-01-01
Autores
Cortez, N. E. [UNESP]
Ferreira, R. P. [UNESP]
Baptista, F. G. [UNESP]
Filho, J. V. [UNESP]
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This paper presents a novel wireless structural health monitoring (SHM) system based on a new method to detect damage in structures using the electromechanical impedance (EMI) principle. The proposed system is a wireless and low-power sensor network based on ZigBee composed by a link node to establish communication between remote monitoring center (host node and server) and multiple sensor nodes. The identification of damage is performed by simply comparing the variations of root main square (RMS) voltage from response signals of piezoelectric transducers.
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Structural Health Monitoring 2013: A Roadmap to Intelligent Structures - Proceedings of the 9th International Workshop on Structural Health Monitoring, IWSHM 2013, v. 2, p. 1605-1612.