NDLI: Design and simulation of curved sensors of PVDF for fetal heart rate monitoring

Content Provider	IEEE Xplore Digital Library
Author	Le Dai Yun Wang
Copyright Year	2015
Description	Author affiliation: Sch. of Mech. Eng., Hangzhou Dianzi Univ., Hangzhou, China (Le Dai; Yun Wang)
Abstract	This paper proposed a highly sensitive micro-force sensor using curved PVDF for fetal heart rate monitoring long-termly. Based on the finite element method, numerical simulations were conducted to compare the straight and curved PVDF films in the aspects of the sensitivity for the dynamic excitation. The results showed that the peak voltages of the sensors varied remarkably with the curvature of the PVDF film. The maximum magnitude of the peak voltage response occurred at a certain value of the curvature. In the experiments, the voltage curves of the sensors were also recorded by an oscilloscope to study the effects of the mass on the surface of the sensors and validate the linearity and sensitivity of the sensors. The results showed that the sensitivity of the sensors up to about 60mV/N, which met the needs of fetal heart rate monitoring.
Starting Page	129
Ending Page	132
File Size	807804
Page Count	4
File Format	PDF
ISBN	9781479988075
DOI	10.1109/SPAWDA.2015.7364456
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-10-30
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Piezoelectric films Sensitivity Fetal heart rate monitoring Fetal heart rate Numerical simulation Sensors Finite element analysis Curved PVDF film Monitoring
Content Type	Text
Resource Type	Article

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