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Piezoelectric Actuators
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Piezoelectric Actuators

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

Deadline for manuscript submissions: closed (15 November 2018) | Viewed by 32046

Special Issue Editors

Prof. Dr. Yingxiang Liu

E-Mail Website
Guest Editor
State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
Interests: piezoelectric actuators; ultrasonic transducers; micro-nano manipulations; nanopositioning; vibration control; soft robots
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Siyuan He

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

grade E-Mail Website
Guest Editor
ISEM/AIIM, University of Wollongong, Wollongong, NSW 2500, Australia
Interests: piezoelectricity; ferroelectricity; crystals; ceramics; transducers
Special Issues, Collections and Topics in MDPI journals

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

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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

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Published Papers (6 papers)

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Research

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13 pages, 4015 KiB  
Article
A Novel Impact Rotary–Linear Motor Based on Decomposed Screw-Type Motion of Piezoelectric Actuator
by Liling Han, Liandong Yu, Chengliang Pan, Huining Zhao and Yizhou Jiang
Appl. Sci. 2018, 8(12), 2492; https://doi.org/10.3390/app8122492 - 4 Dec 2018
Cited by 10 | Viewed by 3820
Abstract
A novel impact two-degree-of-freedom (2-DOF) motor based on the decomposed screw-type motion of a piezoelectric actuator (PA) has been proposed. The fabricated prototype motor has a maximum diameter of 15 mm and a length of 100 mm which can produce a maximum torsional [...] Read more.
A novel impact two-degree-of-freedom (2-DOF) motor based on the decomposed screw-type motion of a piezoelectric actuator (PA) has been proposed. The fabricated prototype motor has a maximum diameter of 15 mm and a length of 100 mm which can produce a maximum torsional angle of about 1000 μrad and a maximum longitudinal displacement of about 1.03 μm under a saw-shaped driving voltage with 720 Vp-p (peak-to-peak driving voltage). When the axial prepressure generated by the spring is about 1N and the radial prepressure generated by the snap ring is about 14 N, the fabricated motor realizes rotary motion with the driving frequency from 200 Hz to 4 kHz. When the axial prepressure generated by the spring is about 11.7 N and the radial prepressure generated by the snap ring is about 21.1 N, the fabricated motor realizes linear motion with the driving frequency from 2 kHz to 11 kHz. In the experiments, the prototype motor can achieve 9.9 × 105 μrad/s rotary velocity at 2 kHz and it can achieve 2.4 mm/s linear velocity at 11 kHz under the driving voltage of 720 Vp-p. Full article
(This article belongs to the Special Issue Piezoelectric Actuators)
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13 pages, 3496 KiB  
Article
Dynamic Analytical Solution of a Piezoelectric Stack Utilized in an Actuator and a Generator
by Xinnan Liu, Jianjun Wang and Weijie Li
Appl. Sci. 2018, 8(10), 1779; https://doi.org/10.3390/app8101779 - 30 Sep 2018
Cited by 21 | Viewed by 4556
Abstract
This paper presents the dynamic analytical solution of a piezoelectric stack utilized in an actuator and a generator based on the linear piezo-elasticity theory. The solutions for two different kinds of piezoelectric stacks under external load were obtained using the displacement method. The [...] Read more.
This paper presents the dynamic analytical solution of a piezoelectric stack utilized in an actuator and a generator based on the linear piezo-elasticity theory. The solutions for two different kinds of piezoelectric stacks under external load were obtained using the displacement method. The effects of load frequency and load amplitude on the dynamic characteristics of the stacks were discussed. The analytical solutions were validated using the available experimental results in special cases. The proposed model is able not only to predict the output properties of the devices, but also to reflect the inner electrical and mechanical components, which is helpful for designing piezoelectric actuators and generators in a comprehensive manner. Full article
(This article belongs to the Special Issue Piezoelectric Actuators)
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18 pages, 6394 KiB  
Article
Electro-Aero-Mechanical Model of Piezoelectric Direct-Driven Flapping-Wing Actuator
by Takashi Ozaki and Kanae Hamaguchi
Appl. Sci. 2018, 8(9), 1699; https://doi.org/10.3390/app8091699 - 19 Sep 2018
Cited by 11 | Viewed by 6520
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 [...] Read more.
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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10 pages, 2575 KiB  
Article
Simulation of Motion Interactions of a 2-DOF Linear Piezoelectric Impact Drive Mechanism with a Single Friction Interface
by Haojie Xia, Liling Han, Chengliang Pan, Huakun Jia and Liandong Yu
Appl. Sci. 2018, 8(8), 1400; https://doi.org/10.3390/app8081400 - 19 Aug 2018
Cited by 6 | Viewed by 4135
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 [...] Read more.
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)
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12 pages, 9581 KiB  
Article
Piezoelectric Poly(vinylidene fluoride) (PVDF) Polymer-Based Sensor for Wrist Motion Signal Detection
by Yaohui Hu, Wuwei Kang, Yong Fang, Lingrui Xie, Longzhen Qiu and Tao Jin
Appl. Sci. 2018, 8(5), 836; https://doi.org/10.3390/app8050836 - 22 May 2018
Cited by 42 | Viewed by 7135
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 [...] Read more.
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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Review

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26 pages, 5131 KiB  
Review
Role of Piezoelectric Elements in Finding the Mechanical Properties of Solid Industrial Materials
by Arshed Abdulhamed Mohammed, Sallehuddin Mohamed Haris and Mohd Zaki Nuawi
Appl. Sci. 2018, 8(10), 1737; https://doi.org/10.3390/app8101737 - 26 Sep 2018
Cited by 6 | Viewed by 4710
Abstract
Recent developments in ultrasonic material testing have increased the need to evaluate the current status of the different applications of piezoelectric elements (PEs). This research have reviewed state-of-the-art emerging new technology and the role of PEs in tests for a number of mechanical [...] Read more.
Recent developments in ultrasonic material testing have increased the need to evaluate the current status of the different applications of piezoelectric elements (PEs). This research have reviewed state-of-the-art emerging new technology and the role of PEs in tests for a number of mechanical properties, such as creep, fracture toughness, hardness, and impact toughness, among others. In this field, importance is given to the following variables, namely, (a) values of the natural frequency to PEs, (b) type and dimensions of specimens, and (c) purpose of the tests. All these variables are listed in three tables to illustrate the nature of their differences in these kinds of tests. Furthermore, recent achievements in this field are emphasized in addition to the many important studies that highlight the role of PEs. Full article
(This article belongs to the Special Issue Piezoelectric Actuators)
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