Ultra-low frequency vibration energy harvesting: Mechanisms, enhancement techniques, and scaling laws
With the increasing demand for clean and sustainable energy, self-powered technologies
based on environmental vibrations have attracted a lot of attention recently. Natural vibration …
based on environmental vibrations have attracted a lot of attention recently. Natural vibration …
Piezoelectric energy harvesting design principles for materials and structures: material figure‐of‐merit and self‐resonance tuning
Piezoelectric energy harvesters (PEHs) aim to generate sufficient power to operate targeting
device from the limited ambient energy. PEH includes mechanical‐to‐mechanical …
device from the limited ambient energy. PEH includes mechanical‐to‐mechanical …
Automatic resonance tuning mechanism for ultra-wide bandwidth mechanical energy harvesting
Piezoelectric energy harvesters typically exhibit sharp peak in output power around
resonance frequency (small bandwidth), which presents complexity in harvesting ambient …
resonance frequency (small bandwidth), which presents complexity in harvesting ambient …
Achieve frequency-self-tracking energy harvesting using a passively adaptive cantilever beam
The frequency of the vibration in the ambient environment varies frequently, which imposes
a great challenge for robust energy harvesting. To maintain the high performance of …
a great challenge for robust energy harvesting. To maintain the high performance of …
Dynamic and energetic characteristics of a bistable frequency up-conversion piezoelectric energy harvester coupled with a nonlinear spring oscillator
J Shen, Y Zhu, J Fu, P Zhou, S Wan… - Mechanics of Advanced …, 2024 - Taylor & Francis
In ultralow-frequency and broadband environments, vibration energy harvesters exhibit
lower energy harvesting efficiency. This article introduces a bistable vibration energy …
lower energy harvesting efficiency. This article introduces a bistable vibration energy …
Experimental investigation of a passive self-tuning resonator based on a beam-slider structure
L Yu, L Tang, T Yang - Acta Mechanica Sinica, 2019 - Springer
This work investigates a self-tuning resonator composed of a slender clamped–clamped
steel beam and a freely movable slider. The clamped–clamped beam exhibits hardening …
steel beam and a freely movable slider. The clamped–clamped beam exhibits hardening …
On the locomotion of the slider within a self-adaptive beam–slider system
F Müller, M Krack - International Journal of Non-Linear Mechanics, 2024 - Elsevier
A beam–slider system is considered whose passive self-adaption relies on an intricate
locomotion process involving both frictional and unilateral contact. The system also exploits …
locomotion process involving both frictional and unilateral contact. The system also exploits …
Effects of modal energy scattering and friction on the resonance mitigation with an impact absorber
A linear vibration absorber can be tuned to effectively suppress the resonance of a particular
vibration mode. It relies on the targeted energy transfer into the absorber within a narrow …
vibration mode. It relies on the targeted energy transfer into the absorber within a narrow …
[HTML][HTML] On a self-tuning sliding-mass electromagnetic energy harvester
Prior research has investigated resonators capable of self-tuning through the use of a sliding
mass. This passive tuning mechanism can be utilized to improve vibration control; however …
mass. This passive tuning mechanism can be utilized to improve vibration control; however …
Performance assessment of an energy harvesting system located on a copter
A Koszewnik, D Oldziej - The European Physical Journal Special Topics, 2019 - Springer
Energy harvesting from moving structures for autonomous electrically powered applications,
ie unmanned aerial vehicles (UAVs), especially in the case quadrotors, has been a common …
ie unmanned aerial vehicles (UAVs), especially in the case quadrotors, has been a common …