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Actuators
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Advances in Piezoelectric Actuators and Materials
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Advances in Piezoelectric Actuators and Materials

A special issue of Actuators (ISSN 2076-0825). This special issue belongs to the section "Actuator Materials".

Deadline for manuscript submissions: 31 January 2027 | Viewed by 7134

Editors

Prof. Dr. Dalius Mažeika

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Guest Editor
Department of Information Systems, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
Interests: piezoelectric actuators; piezoelectric motors; piezoelectric transducers; piezoelectric energy harvesters
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Piotr Vasiljev

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Guest Editor
Education Academy, Vytautas Magnus University, LT-44248 Kaunas, Lithuania
Interests: piezoelectric actuators; piezoelectric motors; piezoelectric transducers
Dr. Andrius Čeponis

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Guest Editor
Department of Engineering Graphics, Faculty of Fundamental Sciences, Vilnius Gediminas Technical University, 10223 Vilnius, Lithuania
Interests: piezoelectric actuators; piezoelectric motors; piezoelectric transducers; piezoelectric energy harvesters
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The rapid development of piezoelectric materials and actuators has significantly expanded their applications in areas such as precision engineering, robotics, healthcare, and energy harvesting. This Special Issue, “Advances in Piezoelectric Actuators and Materials”, highlights the latest research, innovations, and emerging trends in the field of actuators.

Contributions included in this Special Issue explore advancements in material synthesis, novel actuator designs, enhanced modeling techniques, and applications that push the boundaries of performance and reliability. By addressing challenges such as efficiency, scalability, and environmental impact, these studies aim to pave the way for next-generation piezoelectric technologies.

We are pleased to bring together a diverse collection of research articles and reviews, showcasing the interdisciplinary nature of this field and its potential to drive transformative solutions across multiple industries.

Prof. Dr. Dalius Mažeika
Prof. Dr. Piotr Vasiljev
Dr. Andrius Čeponis
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Actuators is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • piezoelectric actuators
  • piezoelectric motors
  • piezoelectric transducers
  • piezoelectric energy harvesters
  • materials
  • applications

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (3 papers)

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Research

10 pages, 2772 KB  
Article
Media-Free and Contactless Micro-Positioning System Using Ultrasonic Levitation and Magnetic Actuators
by Berend Denkena, Jörg Wallaschek, Henning Buhl, Jens Twiefel, Chenglong Ding and Zijian Chen
Actuators 2025, 14(11), 563; https://doi.org/10.3390/act14110563 - 19 Nov 2025
Cited by 1 | Viewed by 2418
Abstract
In micro-production technology (MPT), the demand for ultra-precise machine tools has been steadily increasing. Conventional guideway systems, such as hydrostatic or aerostatic bearings, often face limitations in terms of compactness, media supply, and susceptibility to external disturbances, which restrict their applicability in next-generation [...] Read more.
In micro-production technology (MPT), the demand for ultra-precise machine tools has been steadily increasing. Conventional guideway systems, such as hydrostatic or aerostatic bearings, often face limitations in terms of compactness, media supply, and susceptibility to external disturbances, which restrict their applicability in next-generation precision manufacturing. In order to address these challenges, this paper presents a novel media-free, contactless, and active three-degree-of-freedom (DOF) planar positioning (guiding) system that integrates ultrasonic actuators with electromagnetic actuators. The hybrid concept combines the high load capacity and self-stabilization of double-acting ultrasonic actuators and pronounced controllability of the electromagnetic actuators. A prototype system was developed and experimentally validated. Ultrasonic actuators successfully established a stable levitation state, while electromagnetic actuators provided fine adjustment of the levitation height in the micrometer range. Load tests demonstrated that the system maintained stable levitation under an external load of 30 N. These results confirm the feasibility of the proposed approach for robust and precise positioning. The developed hybrid system therefore represents the potential for next-generation precise manufacturing machines in MPT, offering high accuracy and robustness against external disturbances. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators and Materials)
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20 pages, 5569 KB  
Article
Investigation of Acoustic Agglomeration of Solid Particles in a Chamber with Three Overlapping Ultrasonic Acoustic Fields
by Andrius Čeponis, Darius Vainorius, Kristina Kilikevičienė and Artūras Kilikevičius
Actuators 2025, 14(11), 559; https://doi.org/10.3390/act14110559 - 14 Nov 2025
Cited by 1 | Viewed by 1010
Abstract
This paper presents numerical and experimental investigations of acoustic agglomeration of solid particles in a chamber with three overlapping ultrasonic fields. The simultaneous generation of these fields produces an interference pattern with a greater number of pressure nodes, more evenly distributed across the [...] Read more.
This paper presents numerical and experimental investigations of acoustic agglomeration of solid particles in a chamber with three overlapping ultrasonic fields. The simultaneous generation of these fields produces an interference pattern with a greater number of pressure nodes, more evenly distributed across the chamber cross section. The chamber design is based on three piezoelectric transducers equipped with disc-shaped acoustic radiators and a cylindrical body. The transducers are evenly positioned around the cylinder’s horizontal axis of symmetry. Numerical simulations of their acoustic characteristics showed that, at a resonance frequency of 49.71 kHz and with a 125 Vp-p excitation, the system can generate up to 146 dB sound pressure level. The predicted interference field pattern indicated a high density of alternating pressure nodes across the chamber. Experimental results confirmed that, at a resonance frequency of 48.85 kHz and with the same excitation signal, the sound pressure in the chamber reached 144.8 dB. Particle agglomeration tests demonstrated effective performance: ultrafine particles in the 191–294 nm range decreased by 31.2%, while particles in the 0.75–1 µm range increased by up to 52.9%. These findings confirm the strong potential of interference acoustic fields for enhancing particle agglomeration and supporting air purification applications. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators and Materials)
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14 pages, 14275 KB  
Article
Novel Design and Control of Ultrasonic Transducers for a Media-Free Contactless Micro-Positioning System
by Zijian Chen, Jens Twiefel, Chenglong Ding, Henning Buhl, Berend Denkena and Jörg Wallaschek
Actuators 2025, 14(11), 547; https://doi.org/10.3390/act14110547 - 8 Nov 2025
Cited by 2 | Viewed by 2913
Abstract
Microelectromechanical systems (MEMSs) are increasingly used for both industrial and consumer applications. To improve the accuracy and efficiency of MEMS fabrication and to overcome the limitations of conventional contactless positioning systems, this study introduces a novel positioning concept that combines ultrasonic levitation with [...] Read more.
Microelectromechanical systems (MEMSs) are increasingly used for both industrial and consumer applications. To improve the accuracy and efficiency of MEMS fabrication and to overcome the limitations of conventional contactless positioning systems, this study introduces a novel positioning concept that combines ultrasonic levitation with electromagnetic actuation. Squeeze-film effects generated by high-frequency ultrasonic transducers enable levitation, while fast-response reluctance forces from electromagnets govern the positioning dynamics without requiring bulky mounting frames. The focus of this paper is on proposing a novel double-acting ultrasonic transducer with a Gaussian profile horn, ensuring an approximately uniform vibration distribution and increased levitation force. The double-acting design enables levitation on both surfaces, simplifying the mounting and thermal compensation of the transducer’s expansion while reducing interactions among transducers. A model-based control strategy ensures resonant operation and constant vibration amplitude. Experiments demonstrate levitation forces up to 343 N, with a total levitation height of 25 µm, resulting from two levitation air gaps. Comprehensive performance characterization validates the feasibility of this transducer design for integration into the proposed positioning system. Full article
(This article belongs to the Special Issue Advances in Piezoelectric Actuators and Materials)
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