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Sensor Technologies for Civil Infrastructures, Volume 1 by Hoon Sohn, Jerome P. Lynch, Ming L. Wang

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4

Piezoelectric transducers for assessing and monitoring civil infrastructures

Y.-K. An,    Southeast University, China

M.K. Kim and H. Sohn,    Korea Advanced Institute of Science and Technology (KAIST), Republic of Korea

Abstract:

Piezoelectric transducers are being commonly used for sensing and actuation applications for smart structural systems. In particular, they are widely used for structural health monitoring (SHM) thanks to such attractive characteristics as multi-functionality, nonintrusivity, light weight, low cost, rapid response time, and high repeatability. This chapter first deals with the basic principles of piezoelectric transducers and the characteristics of piezoelectric materials. Subsequently, various piezoelectric transducer-based ...

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