EXPERIMENTAL STUDY ON DYNAMIC PIEZOELECTRICITY CHARACTERISTICS OF PVDF SENSOR

Wang Liheng; Zhou Xiyuan

doi:10.13204/j.gyjz200603015

Volume 36 Issue 3

Dec. 2014

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Article Navigation > INDUSTRIAL CONSTRUCTION > 2006 > 36(3): 55-58

Wang Liheng, Zhou Xiyuan. EXPERIMENTAL STUDY ON DYNAMIC PIEZOELECTRICITY CHARACTERISTICS OF PVDF SENSOR[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 55-58. doi: 10.13204/j.gyjz200603015

Citation:

Wang Liheng, Zhou Xiyuan. EXPERIMENTAL STUDY ON DYNAMIC PIEZOELECTRICITY CHARACTERISTICS OF PVDF SENSOR[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 55-58. doi: 10.13204/j.gyjz200603015

Wang Liheng, Zhou Xiyuan. EXPERIMENTAL STUDY ON DYNAMIC PIEZOELECTRICITY CHARACTERISTICS OF PVDF SENSOR[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 55-58. doi: 10.13204/j.gyjz200603015

Citation:

Wang Liheng, Zhou Xiyuan. EXPERIMENTAL STUDY ON DYNAMIC PIEZOELECTRICITY CHARACTERISTICS OF PVDF SENSOR[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(3): 55-58. doi: 10.13204/j.gyjz200603015

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EXPERIMENTAL STUDY ON DYNAMIC PIEZOELECTRICITY CHARACTERISTICS OF PVDF SENSOR

doi: 10.13204/j.gyjz200603015

1.
Municipal Key Laboratory of Earthquake Engineering and Structural Retrofit,Beijing University of Technology Beijing 100022

Received Date: 2005-08-30
Publish Date: 2006-03-20

Abstract

Abstract

The experiment study on piezoelectricity characteristics of the PVDF strain sensor between 0.1 Hz and 30 Hz is carried out and the reason why there is phase difference between PVDF strain and the output voltage of the charge amplifier within range of low frequencies is analyzed. It is observed from amplitude frequency characteristic and phase frequency characteristic that minor phase difference has little effects on the measured harmonic vibration signal but cause wave form distortion for random vibration signal. Hence within low frequency range the charge amplifier with good low frequency characteristic to match the applications of PVDF strain sensor to reduce the wave form distortion is suggested to use to measure random vibration signals.
- PVDF sensor,
- piezoelectricity material,
- dynamic strain,
- bridge monitoring

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References(7)

References

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李焰,钟方平,刘乾,等. PVDF 在动态应变测量中的应用. 爆炸与冲击,2003,23(3): 230-234

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王代华. 斜拉索及其系统动力特性在线监测与振动 (半) 主动控制: [博士学位论文]. 重庆: 重庆大学,1999

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