Vibration and Energy Harvesting Applications

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

Deadline for manuscript submissions: closed (20 July 2023) | Viewed by 1441

Special Issue Editors

Hunan Provincial Key Laboratory of Vehicle Power and Transmission System, Hunan Institute of Engineering, Xiangtan 411101, China
Interests: energy harvesting; smart materials and structures; mechanical design; vibration and control
Department of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
Interests: dynamics; energy harvesting; smart materials and structures; mechanical design; vibration and control
Special Issues, Collections and Topics in MDPI journals
School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
Interests: nonlinear vibration; energy harvesting; vibration control; low-frequency system

Special Issue Information

Dear Colleagues,

Vibration is abundant in the environment, such as mechanical vibration, human movement, wind-induced vibration, wave fluctuations, etc. Vibration energy harvesting holds great potential to achieve the zero-carbon self-powered Internet of Things for potential applications in environment monitoring and disaster early warning systems, human health monitoring and disease diagnosis, equipment in condition monitoring and fault diagnosis, smart cities, etc. Therefore, the investigation of materials, dynamic theories, designs, experiments, and applications of vibration energy harvesting has developed significantly in the last decade. This Special Issue aims to focus on advances in the field of vibration and energy harvesting, with topics including, but not limited to, the following themes:

  • Nonlinear vibration theory, dynamic modeling, and analysis methods;
  • Electromechanical conversion mechanisms and functional materials;
  • Vibration energy harvesting and applications;
  • Self-powered drive and micro–nanorobots;
  • Self-powered sensing for wearables and implants;
  • Nanoenergy applications in MEMS, E-skin, and AI;
  • Self-powered systems for IoT applications;
  • Energy storage and self-charging power systems;
  • Acoustic/mechanical metamaterials for energy utilization and harvesting;
  • Vibration control, utilization, and other related topics.

Prof. Dr. Hongxiang Zou
Dr. Linchuan Zhao
Dr. Bo Yan
Guest Editors

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Published Papers (1 paper)

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Research

19 pages, 10962 KiB  
Article
Modeling and Characteristic Analysis of Combined Beam Tri-Stable Piezoelectric Energy Harvesting System Considering Gravity
Appl. Sci. 2023, 13(1), 94; https://doi.org/10.3390/app13010094 - 21 Dec 2022
Cited by 1 | Viewed by 838
Abstract
The emergence of the vibration energy harvesting system makes it possible for wireless monitoring nodes in coal mines to realize self-power supply. In order to reveal the influence of gravity effect on the response characteristics of the combined beam tri-stable piezoelectric energy harvesting [...] Read more.
The emergence of the vibration energy harvesting system makes it possible for wireless monitoring nodes in coal mines to realize self-power supply. In order to reveal the influence of gravity effect on the response characteristics of the combined beam tri-stable piezoelectric energy harvesting system (CTEHS), the system’s nonlinear magnetism is calculated according to the principle of point magnetic charge dipole, and the system’s nonlinear resilience is obtained through experimental measurements and nonlinear fitting methods. Based on the Lagrange equation, the system’s electromechanical coupling motion model considering gravity is established. The system’s motion equation is solved numerically based on the Runge–Kutta algorithm, and the effects of the end magnet mass and the initial vibration point on the bifurcation behavior, potential energy, and system output performance are investigated by emulation and experiment. The research shows that the magnet’s gravity effect causes a change in the stable equilibrium position and the system’s motion state and also causes the system to generate additional gravitational potential energy, which leads to a potential asymmetric well of the system. Under the consideration of magnet gravity, the appropriate end magnet mass and initial vibration point can not only reduce the system’s requirements for external excitation strength but also effectively improve the system’s response and output. This research provides a new theoretical basis for the optimal design of the tri-stable piezoelectric energy harvesting system. Full article
(This article belongs to the Special Issue Vibration and Energy Harvesting Applications)
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