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Detection of Pathologic Heart Murmurs Using a Piezoelectric Sensor [PDF]
Sensors, 2021 This study aimed to evaluate the capability of a piezoelectric sensor to detect a heart murmur in patients with congenital heart defects. Heart sounds and murmurs were recorded using a piezoelectric sensor and an electronic stethoscope in healthy ...
Kiichi Takahashi +6 more
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Stress Monitoring of Concrete via Uniaxial Piezoelectric Sensor [PDF]
Sensors, 2022 The uniaxial piezoelectric sensor was developed to overcome the problem of reflecting the output charge of the piezoelectric element as a combination of vectors in the three stress directions.
Chen Wu +3 more
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A Flow Velocity Measurement Method Based on a PVDF Piezoelectric Sensor [PDF]
Sensors, 2019 To measure the flow velocity of a fluid without affecting its motion state, a method was proposed based on a polyvinylidene fluoride (PVDF) piezoelectric film sensor.
Qi Li +3 more
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Research on material selection of force-sensitive element for high-frequency dynamic piezoelectric pressure sensor [PDF]
MATEC Web of Conferences, 2022 The high-frequency dynamic piezoelectric pressure sensor has the advantages of simple structure, long service life, high natural frequency, excellent signal-to-noise ratio and great sensitivity.
Cai Sikang +3 more
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Thin-film piezoelectric impact sensor array fabricated on a Si slider for measuring head-disk interaction [PDF]
, 1995 A new type of Acoustic Emission sensor using a thin film piezoelectric material (sputtered ZnO) was developed for measuring head-disk interaction in a rigid magnetic disk system.
Burger, G.J. +5 more
core +7 more sources
Piezoelectric Sensor with a Helical Structure on the Thread Core
Applied Sciences, 2020 In this paper, we introduce a piezoelectric sensor curled on a thread core in a helical structure. In particular, a polyvinylidene fluoride film was curled and fixed on a thread core.
Cheoleon Park, Hojoon Kim, Youngsu Cha
doaj +1 more source
Piezoelectric materials selection for sensor applications using finite element and multiple attribute decision-making approaches [PDF]
Journal of Advanced Dielectrics, 2015 This paper examines the selection and performance evaluation of a variety of piezoelectric materials for cantilever-based sensor applications. The finite element analysis method is implemented to evaluate the relative importance of materials properties ...
Anuruddh Kumar +5 more
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Materials & Design, 2023 Linear piezoelectric materials offer new opportunities for next-generation multifunctional micro/nano systems on chip aside from ferroelectrics. However, the advantage of quantitative pressure sensing of linear piezoelectric materials over ferroelectrics
Yongkuan Li +10 more
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Flexible Multiscale Pore Hybrid Self-Powered Sensor for Heart Sound Detection
Sensors, 2021 This research introduces an idea of producing both nanoscale and microscale pores in piezoelectric material, and combining the properties of the molecular β-phase dipoles in ferroelectric material and the space charge dipoles in order to increase the ...
Boyan Liu +6 more
doaj +1 more source
Micromachines, 2023 We attempted to realize a prototype system that monitors the living condition of indoor dogs without physical or mental burden by using a piezoelectric poly-l-lactic acid (PLLA) braided cord as a wearable sensor.
Yoshiro Tajitsu +21 more
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