Flexible piezoelectric liquid volume sensor

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We report a non-contact type polyvinylidene fluoride (PVDF)-based liquid volume sensor. When a liquid container vibrates due to an applied impact, our sensor that is attached to the wall of the container detects the resonance frequency of vibration, which shifts as a result of change in liquid volume. The sensitivity of our sensor was enhanced by stacking multiple sensors in series. A PVDF bimorph actuator was also fabricated to demonstrate an integrated actuator-sensor system. We believe that the results presented in this work will pave the way for novel applications in volume sensing.
Publisher
ELSEVIER SCIENCE SA
Issue Date
2018-04
Language
English
Article Type
Article
Keywords

LEVEL MEASUREMENT; CAPACITIVE SENSOR; FIBEROPTIC SENSOR; NANOGENERATORS; DRIVEN; TRANSDUCER; VIBRATION; INTERNET; SHELL; ARRAY

Citation

SENSORS AND ACTUATORS A-PHYSICAL, v.276, pp.219 - 225

ISSN
0924-4247
DOI
10.1016/j.sna.2018.04.035
URI
http://hdl.handle.net/10203/242640
Appears in Collection
MS-Journal Papers(저널논문)ME-Journal Papers(저널논문)
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