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Title: Development of traveling wave actuators using waveguides of different geometrical forms
Authors: Bansevičius, Ramutis Petras
Mažeika, Dalius
Jūrėnas, Vytautas
Kulvietis, Genadijus
Bakanauskas, Vytautas
Issue Date: 2016
Publisher: Hindawi publishing corporation
Citation: Bansevičius, R. P.; Mažeika, D.; Jūrėnas, V.; Kulvietis, G.; Bakanauskas, V. 2016. Development of traveling wave actuators using waveguides of different geometrical forms, Shock and vibration 2016: 1–9
Series/Report no.: 2016;
Abstract: The paper covers the research and development of piezoelectric traveling wave actuators using different types of the waveguides. The introduced piezoelectric actuators can be characterized by specific areas of application, different resolution, and torque. All presented actuators are ultrasonic resonant devices and theywere developed to increase amplitudes of the travelingwave oscillations of the contact surface.Three different waveguides are introduced, that is, symmetrical, asymmetrical, and cone type waveguide. A piezoelectric ring with the sectioned electrodes is used to excite traveling wave oscillations for all actuators. Operating principle, electrode pattern, and excitation regimes of piezoelectric actuators are described. A numerical modelling of the actuators was performed to validate the operating principle and to calculate trajectories of the contact points motion. Prototype actuators were made and experimental study was performed.The results of numerical and experimental analysis are discussed.
ISSN: 1070-9622
Appears in Collections:Moksliniai straipsniai / Research articles

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