Piezoelectric Transducers
Characterisation of the polarisation state of embedded piezoelectric transducers by thermal waves and thermal pulses
... Received: 8 October 2015 – Revised: 22 January 2016 – Accepted: 4 April 2016 – Published: 10 May 2016 Abstract. In this work, we apply the thermal wave method and the thermal pulse method for non-destructive ...
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Tapered transmission line technique based graded matching layers for thickness mode piezoelectric transducers
... mode piezoelectric transducers to a low acoustic impedance load medium, multiple quarter wavelength (QW) matching layers are employed at the front face of the ...
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Real-time Cure Monitoring of Composites Using a Guided wave-based System with High Temperature Piezoelectric Transducers, Fiber Bragg Gratings, and Phase-shifted Fiber Bragg Gratings
... a piezoelectric transducer (Physical Acoustics Corporation: Nano-30) that was rated for use up to ...identical piezoelectric transducers in a pitch-catch configuration on two oscilloscopes (Agilent ...
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Theoretical modelling of frequency dependent elastic loss in composite piezoelectric transducers
... of piezoelectric transducers requires a theoretical model that is computationally efficient so that a large number of iterations can be performed in the design op- ...of piezoelectric ceramic an ...
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Improvement of Surface Finish by Multiple Piezoelectric Transducers in Fused Deposition Modelling
... . In [32] researched on the ultrasonic additive manufacturing in a hybrid production process and discovered the processes of adding ultrasonic are matched to high tech metal matrix composites with high temperatures and ...
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Effect of sintering temperature on adhesion of spray-on piezoelectric transducers
... spray-on transducers require a high-temperature (> 700 ◦ C) sintering process; however, this process can affect the microstructure of the substrate ...resultant transducers from high- and low-temperature ...
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Design and analysis of two piezoelectric cymbal transducers with metal ring and add mass
... two piezoelectric transducers were designed to meet the strict underwater application backgrounds such as high pressure, corrosion resistance, and high ...Both transducers integrated most of previous ...
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Development of piezoelectric and electrodynamic flexural transducers for air coupled ultrasonics
... Abstract—Flexural transducers are effective ultrasonic gener- ators in fluid media, where standard piezoelectric transducers suffer a significant performance loss due to a large impedance ...coupled ...
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A Survey on Ultrasonic Transducers Technology
... ultrasonic transducers (CMUT) has gained much potential for use in the Non-Destructive Evaluation (NDE) ...conventional piezoelectric transducers in various aspects, such as transduction efficiency, ...
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Programming Using Automata and Transducers
... finite transducers with look-back In this section we briefly describe a model that is tightly related to S-EFTs and for which equivalence is also un- ...finite transducers with look-back k (k-SLTs) [BB13] ...
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Development of Piezoelectric Harvesters with
... Numerical results, power generated by PPA 1001 equipped with tuning devices, optimal load 394. resistance, base acceleration 10 ms -2 (1g)[r] ...
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Unbounded Orchestrations of Transducers for Manufacturing
... available transducers and the port bindings, which change dynamically over ...uni- transducers, and the bounded problem for multi-transducers are ...
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Analog-to-Digital Converters. Transducers
... • Initiate conversion by writing to control register • Upon conversion complete, flags set in status registers. • Results available in results register g[r] ...
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Disambiguation of Finite State Transducers
... The transducer T created by the com- position of two transducers R and D, denoted T = R ◦ D, performs the map- ping of word x to word z if and only if R maps x to y and D maps y to z. The weight of the resulting ...
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"PIG" Detection with Pressure Transducers
... A low-cost test bench to simulate speed excursion and a control strategy based on PWM (Pulse-Width Modulation) are proposed by [8].In [3], a system designed to test various types of PIGs under varying flow condition is ...
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Synthesis of orchestrations of transducers for manufacturing
... put/output transducers that captures the essence of process recipes and manufacturing resources, thus relating the syn- thesis of process-plan controllers to classical reactive syn- ...
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Piezoelectric Properties of BaTiO
... piezoelectric charge coefficient and corresponding dielectric constant. it can be seen from the graphs that the piezoelectric voltage constant increases with increasing BT volume fraction in the composites. ...
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Dynamic nonlinearity in Piezoelectric flexural ultrasonic transducers
... ultrasonic transducers operating at sufficiently high amplitude, dynamic nonlinearity can be exhibited as Duffing- type behavior, where characteristics such as the jump phe- nomenon and amplitude bifurcation are ...
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Fragile words and Cayley type transducers
... by transducers which are bireversible [15, 17, ...of transducers with a sink ...by transducers whose sink state is accessible from every state, using certain words which we call ...
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Bayesian Inference for Finite State Transducers
... We describe a Bayesian inference algorithm that can be used to train any cascade of weighted finite-state transducers on end-to- end data. We also investigate the problem of automatically selecting from among mul- ...
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