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Micromachines
Special Issues
Recent Advance in Piezoelectric Actuators and Motors, 3rd Edition
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Recent Advance in Piezoelectric Actuators and Motors, 3rd Edition

A special issue of Micromachines (ISSN 2072-666X). This special issue belongs to the section "A：Physics".

Deadline for manuscript submissions: 31 December 2025 | Viewed by 677

Special Issue Editors

Dr. Liang Wang

E-Mail Website
Guest Editor
State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China
Interests: piezoelectric actuators and motors; piezoelectric robots
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Dalius Mažeika

E-Mail Website
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

Special Issue Information

Dear Colleagues,

Having emerged over 40 years ago as a smart servo and control system, piezoelectric actuators and motors have been applied in many industry fields, such as aerospace, weapons, optical instruments, biomedical equipment, etc. Their advantages, including a simple configuration, being lightweight, high-precision positioning, no electromagnetic interference, self-locking when powered off, and a fast response, highlight the benefits of piezoelectric actuators and motors, promoting their industrial applications. Over the past 10 years, a series of novel piezoelectric actuators and motors with new structures and principles has been successively developed, greatly and significantly facilitating the progress of piezoelectric actuation technology. To further advance piezoelectric actuation technology and its applications in high-end equipment, this Special Issue seeks to showcase research papers, communications, and review articles focusing on recent advances of piezoelectric actuators and motors, including their design, modeling, simulation, experiments, and applications.

We look forward to receiving your submissions!

Dr. Liang Wang
Prof. Dr. Dalius Mažeika
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 100 words) can be sent to the Editorial Office for announcement on this website.

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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Micromachines 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 2100 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 actuator
  • ultrasonic motor
  • piezoelectric transducer
  • piezoelectric mirror
  • arrays energy harvesting
  • vibration control
  • piezoelectric actuator and motor modeling
  • piezoelectric actuator and motor applications: aerospace, weapons, optical instruments, biomedical equipments

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Published Papers (1 paper)

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Research

15 pages, 15541 KiB  
Article
Optimizing Tonpilz Transducer Transmission Through Impedance Matching and Head Mass Structure
by Yang Gou, Shenhai Ye, Xin Fu, Fanghua Zheng, Xuzhong Zha and Cong Li
Micromachines 2025, 16(3), 352; https://doi.org/10.3390/mi16030352 - 20 Mar 2025
Viewed by 136
Abstract
The bandwidth and output power of underwater acoustic transmitters are important for high-performance sonar detection systems. A mismatch between the impedance of the transducer and the transmitting circuit results in a low power factor, significantly limiting the sonar’s operating bandwidth and detection range. [...] Read more.
The bandwidth and output power of underwater acoustic transmitters are important for high-performance sonar detection systems. A mismatch between the impedance of the transducer and the transmitting circuit results in a low power factor, significantly limiting the sonar’s operating bandwidth and detection range. In addition, the radial head structure of the Tonpilz transducer plays an important role in determining the radiation characteristics of the sound field. This paper proposes a new radiation head structure along with an impedance-matching network circuit. First, a mathematical model of active power is established based on the Krimholtz–Leedom–Matthaei (KLM) model of the transducer. The adaptive Gauss–Newton algorithm is then used to calculate the parameters of the broadband impedance-matching network components, ultimately determining the network parameters and the structure of the transducer’s radiation head. Experimental results indicate that the transmitter voltage response of the proposed transducer is 6 dB higher than that of a conventional transducer and can be further increased by 5 dB with impedance matching. The impedance-matching network enhances the power factor of the transducer by 3.2 times, expands the frequency band by a factor of 1.6, and significantly enhances the acoustic field radiation characteristics of the underwater acoustic transducer. Full article
(This article belongs to the Special Issue Recent Advance in Piezoelectric Actuators and Motors, 3rd Edition)
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