2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range

This paper presents numerical and experimental investigations of a small size piezoelectric locomotion platform that provides unlimited planar motion. The platform consists of three piezoelectric bimorph plates attached to the equilateral triangle-shaped structure by an angle of 60 degrees. Alumina...

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Autores principales:	Andrius Čeponis, Dalius Mažeika, Vytautas Jūrėnas
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	2-DOF platform unlimited locomotion piezoelectric actuator Mechanical engineering and machinery TJ1-1570
Acceso en línea:	https://doaj.org/article/fd6b315c165f4aaa9656c78f7e771d15
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id	oai:doaj.org-article:fd6b315c165f4aaa9656c78f7e771d15
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spelling	oai:doaj.org-article:fd6b315c165f4aaa9656c78f7e771d152021-11-25T18:23:39Z2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range10.3390/mi121113962072-666Xhttps://doaj.org/article/fd6b315c165f4aaa9656c78f7e771d152021-11-01T00:00:00Zhttps://www.mdpi.com/2072-666X/12/11/1396https://doaj.org/toc/2072-666XThis paper presents numerical and experimental investigations of a small size piezoelectric locomotion platform that provides unlimited planar motion. The platform consists of three piezoelectric bimorph plates attached to the equilateral triangle-shaped structure by an angle of 60 degrees. Alumina spheres are glued at the bottom of each plate and are used as a contacting element. The planar motion of the platform is generated via excitation of the first bending mode of the corresponding plate using a single harmonic signal while the remaining plates operate as passive supports. The direction of the platform motion controlled by switching electric signal between piezoelectric plates. A numerical investigation of the 2-DOF platform was performed, and it was found out that the operation frequency of the bimorph plates is 23.67 kHz, while harmonic response analysis showed that the maximum displacement amplitude of the contact point reached 563.6 µm in the vertical direction while an excitation signal of 210 V<sub>p-p</sub> is applied. Prototype of the 2-DOF piezoelectric platform was made, and an experimental study was performed. The maximum linear velocity of 44.45 mm/s was obtained when preload force and voltage of 0.546 N and 210 V<sub>p-p</sub> were applied, respectively.Andrius ČeponisDalius MažeikaVytautas JūrėnasMDPI AGarticle2-DOF platformunlimited locomotionpiezoelectric actuatorMechanical engineering and machineryTJ1-1570ENMicromachines, Vol 12, Iss 1396, p 1396 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	2-DOF platform unlimited locomotion piezoelectric actuator Mechanical engineering and machinery TJ1-1570
spellingShingle	2-DOF platform unlimited locomotion piezoelectric actuator Mechanical engineering and machinery TJ1-1570 Andrius Čeponis Dalius Mažeika Vytautas Jūrėnas 2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range
description	This paper presents numerical and experimental investigations of a small size piezoelectric locomotion platform that provides unlimited planar motion. The platform consists of three piezoelectric bimorph plates attached to the equilateral triangle-shaped structure by an angle of 60 degrees. Alumina spheres are glued at the bottom of each plate and are used as a contacting element. The planar motion of the platform is generated via excitation of the first bending mode of the corresponding plate using a single harmonic signal while the remaining plates operate as passive supports. The direction of the platform motion controlled by switching electric signal between piezoelectric plates. A numerical investigation of the 2-DOF platform was performed, and it was found out that the operation frequency of the bimorph plates is 23.67 kHz, while harmonic response analysis showed that the maximum displacement amplitude of the contact point reached 563.6 µm in the vertical direction while an excitation signal of 210 V<sub>p-p</sub> is applied. Prototype of the 2-DOF piezoelectric platform was made, and an experimental study was performed. The maximum linear velocity of 44.45 mm/s was obtained when preload force and voltage of 0.546 N and 210 V<sub>p-p</sub> were applied, respectively.
format	article
author	Andrius Čeponis Dalius Mažeika Vytautas Jūrėnas
author_facet	Andrius Čeponis Dalius Mažeika Vytautas Jūrėnas
author_sort	Andrius Čeponis
title	2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range
title_short	2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range
title_full	2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range
title_fullStr	2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range
title_full_unstemmed	2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range
title_sort	2-dof small-size piezoelectric locomotion platform with the unlimited motion range
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/fd6b315c165f4aaa9656c78f7e771d15
work_keys_str_mv	AT andriusceponis 2dofsmallsizepiezoelectriclocomotionplatformwiththeunlimitedmotionrange AT daliusmazeika 2dofsmallsizepiezoelectriclocomotionplatformwiththeunlimitedmotionrange AT vytautasjurenas 2dofsmallsizepiezoelectriclocomotionplatformwiththeunlimitedmotionrange
_version_	1718411237528698880

2-DOF Small-Size Piezoelectric Locomotion Platform with the Unlimited Motion Range

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