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Energies
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Recent Advances and Future Challenges in Energy Applications and Control...
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Recent Advances and Future Challenges in Energy Applications and Control of Piezoelectric Actuators

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "F: Electrical Engineering".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 4210

Special Issue Editors

Dr. Morteza Mohammadzaheri

E-Mail Website
Guest Editor
School of Engineering and the Built Environment, Birmingham City University, Birmingham, UK
Interests: artificial intelligence for engineering; control; piezoelectric actuators
Special Issues, Collections and Topics in MDPI journals
Dr. Mojtaba Ghodsi

E-Mail Website
Guest Editor
School of Energy and Electronic Engineering, University of Portsmouth, Portsmouth PO1 3DJ, UK
Interests: kinetic energy harvesters; linear generators and motors; smart materials and structures
Special Issues, Collections and Topics in MDPI journals
Dr. Payam Soltani

E-Mail Website
Guest Editor
School of Engineering and the Built Environment, Birmingham City University, Birmingham, UK
Interests: smart materials and structures; simulation; nonlinear dynamics; energy harvesting; vibration absorbers
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Piezoelectric actuators, well-known for their compact size and high stiffness, convert electrical energy to mechanical energy. As a result, they generate both force and displacement. The control of a piezoelectric actuator may be categorised as displacement or force control based on the extent of the (blocking) force exerted on the actuator. In micro/nanopositioning, e.g., in scanning probe microscopy, cell manipulation and fine guidance systems, the force is tiny and neglected, and displacement/position control is the prominent task.   On the other hand, in vibration control or force generation, force control is the major concern.

This Special Issue covers the current challenges in the control of piezoelectric actuators as well as their applications as piezoelectric motors, energy harvesters, etc. 

Topics of interest for publication include, but are not limited to:

  • Displacement/position control of piezoelectric actuators;
  • Force control of piezoelectric actuators;
  • Vibration control with piezoelectric actuators;
  • Energy harvesting with piezoelectric materials;
  • Dual use of piezoelectric materials for actuation and sensing;
  • Displacement/position estimation of piezoelectric actuators with use of other signals;
  • Force estimation of piezoelectric actuators with use of other signals;
  • Charge control of piezoelectric actuators;
  • Piezoelectric motors;
  • Charge estimation of piezoelectric actuators;
  • Modelling of piezoelectric actuators and their behaviour (hysteresis, creep, etc.).

Dr. Morteza Mohammadzaheri
Dr. Mojtaba Ghodsi
Dr. Payam Soltani
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. Energies is an international peer-reviewed open access semimonthly 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 2600 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.

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Published Papers (2 papers)

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Research

17 pages, 3832 KiB  
Article
Charge Estimation of Piezoelectric Actuators: A Comparative Study
by Morteza Mohammadzaheri, Sami Al-Sulti, Mojtaba Ghodsi and Payam Soltani
Energies 2023, 16(10), 3982; https://doi.org/10.3390/en16103982 - 9 May 2023
Cited by 3 | Viewed by 1542
Abstract
This article first reviews the position control of piezoelectric actuators, particularly charge-based sensorless control systems, which often include a charge estimator as a key component. The rest of the paper is about charge estimators for piezoelectric actuators. Two of the most recent/effective types [...] Read more.
This article first reviews the position control of piezoelectric actuators, particularly charge-based sensorless control systems, which often include a charge estimator as a key component. The rest of the paper is about charge estimators for piezoelectric actuators. Two of the most recent/effective types of these estimators utilise either a sensing capacitor (type I in this paper) or a sensing resistor (type II); the latter (and the newer) type is broadly known as a digital charge estimator. Some experimental results in the literature show that, with the same loss in excitation voltage, a considerably higher amount of charge can be estimated with a type II estimator in comparison with a type I estimator; therefore, the superiority of type II estimators was acknowledged. In order to re-assess this conclusion, this paper equitably compares type I and II estimators through analytical modelling and experimentation. The results indicate that type II estimators have only a slight advantage in estimating higher amounts of charge, if both type I and II estimators are designed appropriately. At the same time, type II estimators have disadvantages; e.g., the resistance of type II estimators has to be tuned to suit different excitation frequencies. This research concludes that capacitor-based (type I) charge estimators for piezoelectric actuators, with pertinent design and implementation, can be still the prime solution for many charge estimation problems despite claims in the literature in the last decade. Full article
(This article belongs to the Special Issue Recent Advances and Future Challenges in Energy Applications and Control of Piezoelectric Actuators)
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17 pages, 5856 KiB  
Article
Analysis of Cantilever Triple-Layer Piezoelectric Harvester (CTLPH): Non-Resonance Applications
by Mojtaba Ghodsi, Morteza Mohammadzaheri and Payam Soltani
Energies 2023, 16(7), 3129; https://doi.org/10.3390/en16073129 - 29 Mar 2023
Cited by 3 | Viewed by 1699
Abstract
In this research, a design guideline for a kinetic energy converter using a cantilever triple-layer piezoelectric harvester (CTLPH) for low-frequency applications is presented. By combining the constitutive and internal energy equations, the analytical equations for harvested voltage and power were developed. It was [...] Read more.
In this research, a design guideline for a kinetic energy converter using a cantilever triple-layer piezoelectric harvester (CTLPH) for low-frequency applications is presented. By combining the constitutive and internal energy equations, the analytical equations for harvested voltage and power were developed. It was also found that frequency of motion, applied tip force, piezoelectric coefficients, geometrical dimensions, and mechanical properties of layers play significant roles in the performance of the harvester. Having characterised the voltage regulator module, LTC3588, the dependency of output voltage on both the storage and output capacitors of the LTC3588 was investigated. An experimental measurement using the optical method was carried out to determine the applied tip force. Furthermore, the performance of the CTLPH in low frequencies (<3.3 Hz) for various resistive loads was investigated. It was found that both excitation frequency and external resistance load are effective on the maximum generated power. The developed CTLPH shows the optimum power of 17.31 μW at the external resistance of 20 kΩ, which is highly appropriate for micropower devices with at least 3.2 Hz of kinetic vibration in their environment. Full article
(This article belongs to the Special Issue Recent Advances and Future Challenges in Energy Applications and Control of Piezoelectric Actuators)
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