Design and experimental validation of a wireless PVDF displacement sensor for structure monitoring

Hua Gu; Peng Jin; Yang Zhao; George M. Lloyd; Ming L. Wang

doi:10.1117/12.540359

14 July 2004 Design and experimental validation of a wireless PVDF displacement sensor for structure monitoring

Hua Gu, Peng Jin, Yang Zhao, George M. Lloyd, Ming L. Wang

Author Affiliations +

Proceedings Volume 5395, Nondestructive Detection and Measurement for Homeland Security II; (2004) https://doi.org/10.1117/12.540359
Event: NDE for Health Monitoring and Diagnostics, 2004, San Diego, CA, United States

Abstract

Polyvinylidene fluoride (PVDF) is a piezoelectric polymer material. One of its most attractive applications is being used as a sensor for structure monitoring. A suitable circuit interface plays an important role in sensor design. PVDF sensor can be used in a large variety of situations according to different design of circuit. The approach to a special circuit interface, which enables PVDF sensor to be utilized as a wireless “dynamic strain gage”, is presented in this paper. The wireless PVDF sensor was then tested and all the results have been compared with strain gage output for strain and displacement measurements.

Citation Download Citation

Hua Gu, Peng Jin, Yang Zhao, George M. Lloyd, and Ming L. Wang "Design and experimental validation of a wireless PVDF displacement sensor for structure monitoring", Proc. SPIE 5395, Nondestructive Detection and Measurement for Homeland Security II, (14 July 2004); https://doi.org/10.1117/12.540359

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