PVDF Piezoelectric Film Accelerometer for Low Frequency and Ultra-Low Frequency

Zhou Wan; Tao Ji; Yuan Yuan Shang

doi:10.4028/www.scientific.net/AMM.63-64.465

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 63-64PVDF Piezoelectric Film Accelerometer for Low...

PVDF Piezoelectric Film Accelerometer for Low Frequency and Ultra-Low Frequency

Abstract:

The measurement of low and ultra-low frequency vibration has always been a very difficult problem. In this paper, a new structure is designed and a new type of low and ultra-low frequency accelerometer is developed by using a sensitive element PVDF. A new type of sensor structure and working principle are discussed and mathematical model and characterize are analyzed in this paper. The result confirmed that this design method can improve sensitivity, precision and performance of the sensor, overcome the acceleration interference of other direction in the vertical axis upwards, and improve the unilateralism and stability of the sensor.

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Periodical:

Applied Mechanics and Materials (Volumes 63-64)

Pages:

465-469

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.63-64.465

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Online since:

June 2011

Authors:

Zhou Wan, Tao Ji, Yuan Yuan Shang

Keywords:

Accelerometer, Low Frequency Vibration, New Pattern Structure, PVDF Piezoelectricity Film

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