IEEE Trans Ultrason Ferroelectr Freq Control
July 2022
Unlike electromagnetic waves, acoustic vibrations waves can be used to transfer power directly through metal structures without being shielded. In this article, a novel design of a self-detachable acoustic wireless power transfer system that can be used to transfer power through the thickness of a steel plate is presented, which does not require the use of any couplant. Electro-permanent-magnets (EPMs) were used to provide magnetic clamping force along the perimeter of the receiver transducer disk to enhance coupling to the steel plate, while the transmitter transducer was bonded to the other side of the plate.
View Article and Find Full Text PDFIEEE Trans Ultrason Ferroelectr Freq Control
March 2020
Ultrasonic guided plate waves (Lamb waves) can be used to transfer power along the length of metal plates, achieving longer distance wireless power transfer (WPT), while not being impeded by electromagnetic shielding from the metal plate. In this article, a fundamental study on the performance of Lamb wave WPT is presented, including modeling, simulations, and experimental verification. By using Macro-Fiber Composite (MFC), d -mode, piezoelectric transducers bonded to a [Formula: see text] mm aluminum plate using an epoxy, power transfer of 0.
View Article and Find Full Text PDFEquid herpesviruses (EHVs) threaten equine health and can cause significant economic losses to the equine industry worldwide. Different equid herpesviruses, EHV-1, EHV-2, EHV-4 and EHV5 are regularly detected among horse populations. In Egypt, monitoring is sporadic but EHV-1 or EHV-4 have been reported to circulate in the horse population.
View Article and Find Full Text PDFIEEE Trans Ultrason Ferroelectr Freq Control
March 2018
Direct-write laser greyscale lithography has been used to facilitate a single step patterning technique for multi-layer lead zirconate titanate (PZT) thin films. A 2.55 μm thick photoresist was patterned with a direct-write laser.
View Article and Find Full Text PDFIEEE Trans Ultrason Ferroelectr Freq Control
May 2018
Direct-write laser grayscale lithography has been used to facilitate a single-step patterning technique for multilayer lead zirconate titanate (PZT) thin films. A 2.55- -thick photoresist was patterned with a direct-write laser.
View Article and Find Full Text PDF