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Energy Harvesting for Wireless Sensor
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Energy Harvesting for Wireless Sensor

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

Deadline for manuscript submissions: closed (28 February 2023) | Viewed by 6800

Special Issue Editor

Dr. Junhui Hu

E-Mail Website
Guest Editor
State Key Lab of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, China
Interests: sensors; energy harvesting; actuators; system integration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Energy harvesting technology extends the application range of wireless sensors/sensor networks to the scenarios in which batteries are impractical, such as body sensor networks and inaccessible remote systems. To further widen the application range and upgrade the performance of wireless sensors/sensor networks powered by harvested energy, breakthrough and new technology in transducing materials, topology and the optimal design of harvestors, energy management, interface circuits and system integration are required. This Special Issue addresses the latest advances in these fields, and the topics in this issue include (but are not limited to):

  • System integration and the energy management of wireless sensors/sensor networks powered by harvested energy;
  • Circuits in wireless sensors/sensor networks powered by harvested energy;
  • Topology and the optimal structure design of energy harvesters;
  • Transducing materials, such as piezoelectric, electrostatic, thermoelectric, electromagnetic and photovoltaic materials, for high-performance energy harvesting;
  • Fabrication methods for energy harvestors.

Dr. Junhui Hu
Guest Editor

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.

Published Papers (2 papers)

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Research

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15 pages, 5898 KiB  
Article
Optimization of an Impact-Based Frequency Up-Converted Piezoelectric Vibration Energy Harvester for Wearable Devices
by Pietro Aceti, Michele Rosso, Raffaele Ardito, Nicola Pienazza, Alessandro Nastro, Marco Baù, Marco Ferrari, Markku Rouvala, Vittorio Ferrari and Alberto Corigliano
Sensors 2023, 23(3), 1391; https://doi.org/10.3390/s23031391 - 26 Jan 2023
Cited by 6 | Viewed by 1567
Abstract
This work presents a novel development of the impact-based mechanism for piezoelectric vibration energy harvesters. More precisely, the effect of an impacting mass on a cantilever piezoelectric transducer is studied both in terms of the tip mass value attached to the cantilever and [...] Read more.
This work presents a novel development of the impact-based mechanism for piezoelectric vibration energy harvesters. More precisely, the effect of an impacting mass on a cantilever piezoelectric transducer is studied both in terms of the tip mass value attached to the cantilever and impact position to find an optimal condition for power extraction. At first, the study is carried out by means of parametric analyses at varying tip mass and impact position on a unimorph MEMS cantilever, and a suitable physical interpretation of the associated electromechanical response is given. The effect of multiple impacts is also considered. From the analysis, it emerges that the most effective configuration, in terms of power output, is an impact at the cantilever tip without a tip mass. By changing the value of the tip mass, a sub-optimal impact position along the beam axis can also be identified. Moreover, the effect of a tip mass is deleterious on the power performance, contrary to the well-known case of a resonant energy harvester. A mesoscale prototype with a bimorph transducer is fabricated and tested to validate the computational models. The comparison shows a good agreement between numerical models and the experiments. The proposed approach is promising in the field of consumer electronics, such as wearable devices, in which the impact-based device moves at the frequencies of human movement and is much lower than those of microsystems. Full article
(This article belongs to the Special Issue Energy Harvesting for Wireless Sensor)
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Review

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17 pages, 3142 KiB  
Review
Electromagnetic Vibrational Energy Harvesters: A Review
by Andrew Muscat, Soham Bhattacharya and Yong Zhu
Sensors 2022, 22(15), 5555; https://doi.org/10.3390/s22155555 - 25 Jul 2022
Cited by 37 | Viewed by 4561
Abstract
As industries need more real-time monitoring and interconnected systems, the demand for wireless sensors expands. Vibrational energy harvesters are a potential solution for powering these sensors, as vibrations commonly exist where monitoring occurs. Developments in low-power circuitry have also led to the feasibility [...] Read more.
As industries need more real-time monitoring and interconnected systems, the demand for wireless sensors expands. Vibrational energy harvesters are a potential solution for powering these sensors, as vibrations commonly exist where monitoring occurs. Developments in low-power circuitry have also led to the feasibility of these types of harvesters. Electromagnetic harvesters are a standout among various types of vibrational harvesters due to their ability to capture kinetic energy in a low-frequency range. This leads to these devices being more applicable in real-world applications where ambient vibrations are typical of having low frequencies. Hence, extensive research has been undertaken to make electromagnetic harvesters more efficient and compact. This review study aims to examine recent literature that has made advancements and demonstrated the full potential of such devices. Full article
(This article belongs to the Special Issue Energy Harvesting for Wireless Sensor)
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