Results 31 to 40 of about 57,861 (293)
The Scientific World Journal, 2014 A new incus-body driving type transducer relying on piezoelectric stack, with broad frequency bandwidth, is proposed for use in a middle ear implant. To aid the design process of this transducer, a coupling biomechanical model of the human middle ear and
Houguang Liu +5 more
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High Temperature, High Power Piezoelectric Composite Transducers
Sensors, 2014 Piezoelectric composites are a class of functional materials consisting of piezoelectric active materials and non-piezoelectric passive polymers, mechanically attached together to form different connectivities.
Hyeong Jae Lee +3 more
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Advances in Mechanical Engineering, 2015 An analytical model on electromechanical coupling coefficient and the length optimization of a bending piezoelectric ultrasonic transducer are proposed. The piezoelectric transducer consists of 8 PZT elements sandwiched between four thin electrodes, and ...
Qiang Zhang, Shengjun Shi, Weishan Chen
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Sensors, 2019 This paper describes the fabrication of 1-3 piezoelectric composites by using PZT5-A pure piezoelectric ceramics and the preparation of a high-frequency single-directional planar underwater ultrasound transducer by using the developed composites.
Qiguo Huang +4 more
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A Seismic Data Acquisition System Based on Wireless Network Transmission
Sensors, 2021 A seismic data acquisition system based on wireless network transmission is designed to improve the low-frequency response and low sensitivity of the existing acquisition system.
Yanxia Huang +6 more
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Micromachines, 2023 Piezoelectric energy transducers offer great potential for converting the vibrations of pedestrian footsteps or cars moving on a bridge or road into electricity.
Thanh Huyen Pham +2 more
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, 2013 Underwater acoustic transducers often include a stack of thickness polarized piezoelectric material pieces of alternating polarity interspersed with electrodes, bonded together and electrically connected in parallel.
Markley, Douglas C. +2 more
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Constant-Power versus Constant-Voltage Actuation in Frequency Sweeps for Acoustofluidic Applications
Micromachines, 2022 Supplying a piezoelectric transducer with constant voltage or constant power during a frequency sweep can lead to different results in the determination of the acoustofluidic resonance frequencies, which are observed when studying the acoustophoretic ...
Fabian Lickert +2 more
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Investigating the influence of the constituent materials on the performance of periodic piezoelectric composite arrays [PDF]
, 2007 This paper describes a theoretical investigation into the influence of the constituent materials on periodic composite array transducer performance. A finite element (FE) model, configured in PZFlex, is used to analyze the performance of a wedge coupled ...
Gachagan, A. +3 more
core +1 more source
Research and Fabrication of High-Frequency Broadband and Omnidirectional Transmitting Transducer
Sensors, 2018 A wide-band cylindrical transducer was developed by using the wide band of the composite material and the matched matching layer for multimode coupling. Firstly, the structure size of the transducer’s sensitive component was designed by using ANSYS
Shaohua Hao +4 more
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