Special Issue "Piezoelectric Actuators"

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Mechanical Engineering".

Deadline for manuscript submissions: 15 November 2018

Special Issue Editors

Guest Editor
Prof. Dr. Yingxiang Liu

State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
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Interests: piezoelectric actuators; ultrasonic motors; piezoelectric transducers; piezoelectric micro jets; bionic robots; fish robots; soft robots; micro robots; artificial muscles
Guest Editor
Prof. Dr. Siyuan He

Department of Mechanical and Industrial Engineering, Ryerson University, Toronto, ON M5B 2K3, Canada
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Interests: MEMS; power harvesting; piezoelectric motor; MEMS
Guest Editor
Prof. Dr. Shujun Zhang

ISEM/AIIM, University of Wollongong, NSW 2500, Wollongong, Australia
Website | E-Mail
Interests: Piezoelectricity, Ferroelectricity, Crystals, Ceramics, Transducers

Special Issue Information

Dear Colleagues,

Piezoelectric actuators exhibit the merits of high displacement resolution, quick response, simple structure, large power weight ratio, large thrust weight ratio, quiet operation, self-locking when power is off, no electromagnetic interference and so on. These merits make them good candidates for applications in systems with special requirements. For example, piezoelectric actuators have been successfully used in fields like biological manipulations, MEMS, measuring equipments, robots and space mechanisms. This Special Issue will comprise the state-of-the-art, latest advances and future trends in the field of piezoelectric actuators, ultrasonic motors, micro piezoelectric motors, nano positioning piezoelectric actuators, piezoelectric materials, piezoelectric micro jets, piezoelectric energy harvesting, ultrasonic transducers and ultrasonic-aided machining. Advances and trends in the new designs, mathematical modeling, computer simulations, optimization techniques, experiments and new applications are very welcome. Both review and special topic papers are welcome. 

Prof. Dr. Yingxiang Liu
Dr. Siyuan He
Prof. Dr. Shujun Zhang
Guest Editors

Manuscript Submission Information

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Keywords

  • Piezoelectric/ferroelectric materials

  • Piezoelectric actuators

  • Ultrasonic motors

  • Micro piezoelectric motors

  • Nano positioning piezoelectric actuators

  • Piezoelectric micro jets

  • Piezoelectric Energy harvesting

  • Ultrasonic transducers

  • Ultrasonic-aided machining

  • Mathematical modeling for piezoelectric actuator

  • Computer simulation method for piezoelectric actuator

Published Papers (3 papers)

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Research

Open AccessArticle Electro-Aero-Mechanical Model of Piezoelectric Direct-Driven Flapping-Wing Actuator
Appl. Sci. 2018, 8(9), 1699; https://doi.org/10.3390/app8091699 (registering DOI)
Received: 31 July 2018 / Revised: 3 September 2018 / Accepted: 17 September 2018 / Published: 19 September 2018
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Abstract
We present an analytical model of a flapping-wing actuator, including its electrical, aerodynamic, and mechanical systems, for estimating the lift force from the input electrical power. The actuator is modeled as a two-degree-of-freedom kinematic system with semi-empirical quasi-steady aerodynamic forces and the electromechanical
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We present an analytical model of a flapping-wing actuator, including its electrical, aerodynamic, and mechanical systems, for estimating the lift force from the input electrical power. The actuator is modeled as a two-degree-of-freedom kinematic system with semi-empirical quasi-steady aerodynamic forces and the electromechanical effect of piezoelectricity. We fabricated actuators of two different scales with wing lengths of 17.0 and 32.4 mm and measured their performances in terms of the stroke/pitching angle, average lift force, and average consumed power. The experimental results were in good agreement with the analytical calculation for both types of actuators; the errors in the evaluated characteristics were less than 30%. The results indicated that the analytical model well simulates the actual prototypes. Full article
(This article belongs to the Special Issue Piezoelectric Actuators)
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Open AccessArticle Simulation of Motion Interactions of a 2-DOF Linear Piezoelectric Impact Drive Mechanism with a Single Friction Interface
Appl. Sci. 2018, 8(8), 1400; https://doi.org/10.3390/app8081400
Received: 20 July 2018 / Revised: 16 August 2018 / Accepted: 16 August 2018 / Published: 19 August 2018
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Abstract
A two-degrees-of-freedom (2-DOF) linear piezoelectric impact drive mechanism (PIDM) is actuated by two independent piezoelectric actuators (PAs). The coupled motion interactions of a two orthogonal DOF linear PIDM with a single friction interface are introduced and analyzed. A complete dynamic model of the
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A two-degrees-of-freedom (2-DOF) linear piezoelectric impact drive mechanism (PIDM) is actuated by two independent piezoelectric actuators (PAs). The coupled motion interactions of a two orthogonal DOF linear PIDM with a single friction interface are introduced and analyzed. A complete dynamic model of the 2-DOF PIDM is established with the Karnopp friction model considering the distribution of friction in the x-axis and y-axis. The output displacements of the 2-DOF PIDM and two corresponding independent 1-DOF PIDMs are investigated numerically. When the two input exciting signals of a 2-DOF PIDM have the same driving voltage of 100 V with a duty ratio of 98% at 10 Hz and two 1-DOF PIDMs are driving under the same conditions, the step displacements in the two axes of 2-DOF PIDM are improved compared to the corresponding 1-DOF PIDM. When the two input exciting signals of a 2-DOF PIDM have the same driving voltages of 100 V with a duty ratio of 98% but the driving frequency is 10 Hz in the x-axis and 20 Hz in the y-axis, the results show that the displacement of high frequency achieves a slight decrease and displacement of low frequency shows a large increase compared to the two corresponding 1-DOF PIDMs. Full article
(This article belongs to the Special Issue Piezoelectric Actuators)
Figures

Graphical abstract

Open AccessArticle Piezoelectric Poly(vinylidene fluoride) (PVDF) Polymer-Based Sensor for Wrist Motion Signal Detection
Appl. Sci. 2018, 8(5), 836; https://doi.org/10.3390/app8050836
Received: 10 April 2018 / Revised: 10 May 2018 / Accepted: 18 May 2018 / Published: 22 May 2018
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Abstract
In this paper, a sensor based on polyvinylidene fluoride (PVDF) piezoelectric thin film was designed and fabricated to detect wrist motion signals. A series of dynamic experiments have been carried out, including the contrast experiments of different materials and force-charge signal characterization. The
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In this paper, a sensor based on polyvinylidene fluoride (PVDF) piezoelectric thin film was designed and fabricated to detect wrist motion signals. A series of dynamic experiments have been carried out, including the contrast experiments of different materials and force-charge signal characterization. The experimental results show that when the excitation signal exceeds 15 Hz, the sensitivity of the sensor is always stable at 3.10 pC/N. The signal acquisition experiment of the wrist motion has been carried out by using this sensor. The experiment results show that, with the advantages of small size, good flexibility, and high sensitivity, this wrist PVDF sensor can be used to detect the wrist motion signals with weak amplitude, low frequency, strong interference, and randomness. Full article
(This article belongs to the Special Issue Piezoelectric Actuators)
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