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An acoustic blood pressure sensing scheme using time of flight and shear wave elastography techniques
(Sensors and Actuators A-Physical, 2021)
A novel wearable blood pressure sensor scheme is presented. The design incorporates an array of piezoelectric transducers to transmit acoustic waves through the skin, and receive reflected echoes from an arterial wall. The ...
Design and experimental validation of a stress- controlled pressure sensor for wearable pulse monitoring
(2021 IEEE International Symposium on Applications of Ferroelectrics (ISAF), 2021)
This paper presents a pulse sensor design scheme with adjustable preset pressure. The design consist of two PVDF layers sandwiching a PZT layer. While PZT is used to detect the pulse vibrations, PVDF layers are employed ...