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2018, vol. 15, br. 1, str. 41-52
A Matlab/Simulink 3D model of unsymmetrical ultrasonic sandwich transducers
(naslov ne postoji na srpskom)
Projekat:
Razvoj, realizacija, optimizacija i monitoring mrežnog modularnog rotirajućeg fotonaponskog sistema snage 5kW (MPNTR - 33035)

Ključne reči: Matlab/Simulink model; analytical 3D model; electrical impedance characteristics; ultrasonic sandwich transducer
Sažetak
(ne postoji na srpskom)
Ultrasonic sandwich transducer is a half-wave resonant structure which oscillates in thickness direction. This paper presents a new Matlab/ Simulink model of a prestressed unsymmetrical ultrasonic sandwich transducer, which is modeled by applying three-dimensional (3D) Matlab/Simulink models of piezoceramic rings and metal endings derived from the piezoceramic ring model. With the cascade connection of the piezoceramic rings model with metal endings model, a complete model of ultrasonic transducer is obtained. Using this model one may determine any transducer transfer function, whereat is taken into the account the external medium influence, as well as the influence of the thickness and radial modes of each transducer component. The electromechanical equivalent circuit of the hammer transducer, which represents onedimensional (1D) model, is also derived and presented in this paper. The comparisons between experimental and theoretical results are quite good and validate the new analytical 3D design approach.
Reference
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Mančić, D.D., Stančić, G.Z. (2010) New Three-dimensional Matrix Models of the Ultrasonic Sandwich Transducers. Journal of Sandwich Structures & Materials, 12(1): 63-80
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O članku

jezik rada: engleski
vrsta rada: neklasifikovan
DOI: 10.2298/SJEE1801041J
objavljen u SCIndeksu: 26.06.2018.
Creative Commons License 4.0

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