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Recent Trends of Piezoelectric Energy Harvesting for Powering Wireless Sensors
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Recent Trends of Piezoelectric Energy Harvesting for Powering Wireless Sensors

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".

Deadline for manuscript submissions: closed (20 October 2023) | Viewed by 3481

Special Issue Editors

Prof. Dr. Hongjun Xiang

E-Mail Website
Guest Editor
School of Civil Engineering, Beijing Jiaotong University, Beijing, China
Interests: smart materials and structures; piezoelectric energy harvesting
Dr. Jianjun Wang

E-Mail Website
Guest Editor
Department of Applied Mechanics, University of Science and Technology Beijing, Beijing 100083, China
Interests: smart materials and structures; energy harvesting from traffic systems; piezoelectric transducers
Dr. Hao Jin

E-Mail Website
Guest Editor
School of Transportation, Southeast University, Nanjing 211189, China
Interests: railway engineering; vibration
Special Issues, Collections and Topics in MDPI journals
Dr. Zhiwei Zhang

E-Mail Website
Guest Editor
Department of Civil Engineering, Beijing Forestry University, Beijing 100083, China
Interests: smart materials and structures; energy harvesting from traffic systems

Special Issue Information

Dear Colleagues,

In recent years, the piezoelectric energy harvesting technique has presented a promising solution to power wireless sensors. This technique can easily scavenge energy from ambient vibrations and has the advantages of a high-power density, low cost and small scale. However, the power outputs from the existing piezoelectric energy harvesting methods are still insufficient for continuous monitoring applications. Therefore, much research has been dedicated to improving piezoelectric energy harvesters.

In recent decades, researchers focused on three aspects of improving piezoelectric energy harvesters. The first aspect is to fabricate high-performance piezoelectric materials; the second is to design novel mechanical structures to increase power outputs or enlarge operation bandwidth; and the third is to develop various interface circuits to enhance harvesting efficiency.

This Special Issue seeks to showcase recent advances in piezoelectric energy harvesting, encompassing both research papers and review articles. The range of topics that can be addressed is as follows: 1) novel piezoelectric materials for energy harvesting, 2) innovative structural design for piezoelectric energy harvesters, 3) highly efficient interface circuits, 4) realization of piezoelectric self-powered sensors, 5) novel application environment and 6) theoretical modeling of piezoelectric energy harvesters.

Prof. Dr. Hongjun Xiang
Dr. Jianjun Wang
Dr. Hao Jin
Dr. Zhiwei Zhang
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. Sensors 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.

Keywords

  • piezoelectric energy harvester
  • theoretical model
  • design method
  • experimental study
  • interface circuit
  • applications of piezoelectric energy harvesters
  • vibration energy scavenging
  • wideband energy harvesting technique
  • self-powered wireless sensors
  • novel piezoelectric martials for energy harvesting

Published Papers (2 papers)

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Research

18 pages, 3116 KiB  
Article
A Collaborative Governance Strategy for Power Quality in AC/DC Distribution Networks Considering the Coupling Characteristics of Both Sides
by Jiang Wang, Liang Qin, Yang Xiang, Penghui Ren, Xu Tang, Jiangjun Ruan and Kaipei Liu
Sensors 2023, 23(18), 7868; https://doi.org/10.3390/s23187868 - 13 Sep 2023
Viewed by 741
Abstract
The interactions between power quality in the AC-DC distribution network segments contribute to the distributed propagation of power quality anomalies throughout the entire network. Focusing on the photovoltaic multifunctional grid-connected inverter (PVMFGCI), this study deeply explores a collaborative governance strategy for optimizing regional [...] Read more.
The interactions between power quality in the AC-DC distribution network segments contribute to the distributed propagation of power quality anomalies throughout the entire network. Focusing on the photovoltaic multifunctional grid-connected inverter (PVMFGCI), this study deeply explores a collaborative governance strategy for optimizing regional power quality. Initially, the analysis dissects the DC ripple generation mechanism corresponding to harmonics and asymmetry in AC subnetwork voltages. Subsequently, a strategy is proposed for partitioning comprehensive control regions for AC-side power quality, taking into account photovoltaic governance resources based on insights from photovoltaic control realms and power quality classifications. Further, a collaborative allocation model for governance resources incorporating active optimization potentials of grid-connected converters is established based on the governance capabilities and residual capacities of PVMFGCI. Finally, the effectiveness of the proposed approach is validated through a MATLAB-based example analysis. Full article
(This article belongs to the Special Issue Recent Trends of Piezoelectric Energy Harvesting for Powering Wireless Sensors)
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28 pages, 12266 KiB  
Article
Characterizing Particle-Scale Acceleration of Mud-Pumping Ballast Bed of Heavy-Haul Railway Subjected to Maintenance Operations
by Meng Wang, Yuanjie Xiao, Wenqi Li, Hongjun Zhao, Wenjun Hua and Yu Jiang
Sensors 2022, 22(16), 6177; https://doi.org/10.3390/s22166177 - 18 Aug 2022
Cited by 2 | Viewed by 2068
Abstract
Fouling and mud-pumping problems in ballasted track significantly degrade serviceability and jeopardize train operational safety. The phenomenological approaches for post hoc forensic investigation and remedies of mud pumps have relatively been well studied, but there still lacks studies on inherent mechanisms and ex [...] Read more.
Fouling and mud-pumping problems in ballasted track significantly degrade serviceability and jeopardize train operational safety. The phenomenological approaches for post hoc forensic investigation and remedies of mud pumps have relatively been well studied, but there still lacks studies on inherent mechanisms and ex ante approaches for early-age detection of mud pumps. This paper was aimed to exploring the feasibility of using particle acceleration responses to diagnose and identify early-age mud-pumping risks in real-world field applications. The innovative wireless sensors with 3D-printed shells resembling real shape of ballast particles were instrumented in the problematic railway section to monitor ballast particle movement prior to, during, and after maintenance operations, respectively. The real-time particle-scale acceleration data of ballast bed under both degraded and maintenance-restored clean conditions were recorded. The time histories, power spectra, and marginal spectra of 3D acceleration were comparatively analyzed. The results showed the 3D acceleration of ballast particles underneath rail-supporting tie plates displayed relatively clear periodicity of about 0.8 s with adjacent bogies regarded as a loading unit. The tamping operation was effective for compacting ballast bed laterally and improving the lateral interlocking of ballast particles, whereas the stabilizing operation was effective mainly in the lateral direction and for ballast particles underneath the sleepers. The mud pumps caused intensive particle-scale acceleration, and ballast particles underneath the sleepers were affected more severely than those in between adjacent sleepers. The ballast particles directly underneath tie plates exhibit dramatic acceleration variations due to maintenance operations as compared to those in other positions studied; hence, it seems promising to use particle-scale acceleration underneath tie plates as readily-implementable indicators for smart in-service track health monitoring. Full article
(This article belongs to the Special Issue Recent Trends of Piezoelectric Energy Harvesting for Powering Wireless Sensors)
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