Results 1 to 10 of about 27,292 (164)

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, Kyoichi Ono, Hirokazu Arai, Hiroyuki Adachi, Masato Ito, Akie Kato, Tsutomu Takahashi   +6 more
doaj   +2 more sources

Sensor Fault Diagnosis for Impedance Monitoring Using a Piezoelectric-Based Smart Interface Technique [PDF]

Sensors, 2020
For a structural health monitoring (SHM) system, the operational functionality of sensors is critical for successful implementation of a damage identification process.
Thanh-Canh Huynh, The-Duong Nguyen, Duc-Duy Ho, Ngoc-Loi Dang, Jeong-Tae Kim   +4 more
doaj   +2 more sources

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, Hong Xiang, Shaofei Jiang, Shenglan Ma   +3 more
doaj   +2 more sources

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, Junhua Xing, Dajing Shang, Yilin Wang   +3 more
doaj   +2 more sources

A Wearable and Highly Sensitive PVDF-TrFE-BaTiO₃ Piezoelectric Sensor for Wireless Monitoring of Arterial Signal. [PDF]

ACS Appl Electron Mater
He Q, Wang H, Zhang J, Ghahremani Arekhloo N, Karagiorgis X, Yalagala BP, Skabara PJ, Heidari H, Zeze DA, Hosseini ES.   +9 more
europepmc   +2 more sources

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, Wang Guicong, Li Yingjun, Yang Xiaoqi   +3 more
doaj   +1 more source

Sector Piezoelectric Sensor Array Transmitter Beamforming MUSIC Algorithm Based Structure Damage Imaging Method. [PDF]

Sensors (Basel), 2020
Fu T, Wang Y, Qiu L, Tian X.
europepmc   +3 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, Anshul Sharma, Rajeev Kumar, Rahul Vaish, Vishal S Chauhan, C. R. Bowen   +5 more
doaj   +1 more source

Thermally stable piezoelectric sensors for quantitative pressure sensing based on linear piezoelectric zinc oxide thin films

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, Hongsen Lin, Jianrong Lin, Cheng Zhou, Aixin Luo, Jiachen Yang, Jieyu Zhang, Zhixiang Hong, Xueyan Hou, Peng Xiao, Bingfeng Fan   +10 more
doaj   +1 more source