Experimental Research on Influence of Temperature on PZT-Based Health Monitoring for Smart Aggregates

Jing Yu; Hong Ping Zhu

doi:10.4028/www.scientific.net/AMR.163-167.2647

Paper Titles

Posture Adjustment and Control Algorithm for Integral Synchronous Lifting of Bridge
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A Two-Stage Kalman Estimation Approach to Identify Parameters of a Nonlinear Elastic Structure
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Settlement Monitoring of Passenger Railway Tianjin to Qinhuangdao
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The Investigation and Analysis of the Use of Rail Fastening in Shanghai
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Experimental Research on Influence of Temperature on PZT-Based Health Monitoring for Smart Aggregates
p.2647

Application of FBG Sensors in Shaking Table Test of Frame-Shear Wall Structure Model
p.2653

Characteristics and Application of BOTDR in Distributed Detection of Pile Foundation
p.2657

Application of Neural Network in Displacement Prediction of Dongping Tunnel
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Study of Load Test of Pedestrian Suspension Bridge
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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 163-167Experimental Research on Influence of Temperature...

Experimental Research on Influence of Temperature on PZT-Based Health Monitoring for Smart Aggregates

Abstract:

Since piezoelectric materials exhibit strong temperature dependency. The change of temperature results in marked variation of the PZT transducer’s electric impedance signals, which may lead to misjudgment of the structural health condition. A experiment was implemented on smart aggregates with embedded PZT transducers under 35°C, 45°C and 55°C three working conditions, and found that the temperature had significant influence on the electric admittance signals of embedded PZT transducers. The peak magnitudes of the admittance curves changed and the curves shifted leftward. Then a temperature compensation technique was used to minimize the temperature effects.

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Periodical:

Advanced Materials Research (Volumes 163-167)

Pages:

2647-2652

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.163-167.2647

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Online since:

December 2010

Authors:

Jing Yu, Hong Ping Zhu

Keywords:

Impedance, Measurement, Piezoelectric Material, Structural Health Monitoring (SHM), Temperature Compensation, Temperature Effect

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