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Sensors 2017, 17(12), 2801; doi:10.3390/s17122801

Dynamic Modelling of Embeddable Piezoceramic Transducers

Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, Dalian 116024, China
School of Civil Engineering, Shenyang Jianzhu University, Shenyang 110168, China
School of Civil Engineering, Southwest Jiaotong University, Chengdu 610031, China
Smart Materials and Structures Laboratory, Department of Mechanical Engineering, University of Houston, Houston, TX 77204, USA
Authors to whom correspondence should be addressed.
Received: 30 September 2017 / Revised: 20 November 2017 / Accepted: 27 November 2017 / Published: 5 December 2017
(This article belongs to the Section Physical Sensors)


Embedded Lead Zirconate Titanate (PZT) transducers have been widely used in research related to monitoring the health status of concrete structures. This paper presents a dynamic model of an embeddable PZT transducer with a waterproof layer and a protecting layer. The proposed model is verified by finite-element method (FEM). Based on the proposed model, the factors influencing the dynamic property of the embeddable PZT transducers, which include the material and thickness of the protecting layer, the material and thickness of the waterproof layer, and the thickness of the PZT, are analyzed. These analyses are further validated by a series of dynamic stress transfer experiments on embeddable PZT transducers. The results show that the excitation frequency can significantly affect the stress transfer of the PZT transducer in terms of both amplitude and signal phase. The natural frequency in the poling direction for the PZT transducer is affected by the material properties and the thickness of the waterproof and protecting layers. The studies in this paper will provide a scientific basis to design embeddable PZT transducers with special functions. View Full-Text
Keywords: Lead Zirconate Titanate (PZT) transducers; embeddable PZT transducer; dynamic model of PZT transducers; effect of waterproof layer; effect of protecting layer Lead Zirconate Titanate (PZT) transducers; embeddable PZT transducer; dynamic model of PZT transducers; effect of waterproof layer; effect of protecting layer

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Huo, L.; Li, X.; Li, H.; Wang, Z.; Song, G. Dynamic Modelling of Embeddable Piezoceramic Transducers. Sensors 2017, 17, 2801.

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