Results 1 to 10 of about 17,991 (204)

Performance of an omnidirectional piezoelectric wind energy harvester [PDF]

open access: yesWind Energy, 2021
This paper presents a vortex‐induced vibration (VIV)‐based piezoelectric energy harvester that performs well for all wind directions, a so‐called omnidirectional wind energy harvester.
Tianyi Shi   +4 more
doaj   +2 more sources

Improved Interface Circuit for Enhancing the Power Output of a Vibration-Threshold-Triggered Piezoelectric Energy Harvester

open access: yesEnergies, 2020
The vibration-threshold-triggered piezoelectric energy harvester is a new type of piezoelectric energy harvester with a two-stage structure, which can generate electricity in a low frequency environment and recognize vibration intensity at the same time.
Jiqiang Liu   +5 more
doaj   +2 more sources

Bidirectional Piezoelectric Energy Harvester [PDF]

open access: yesSensors, 2019
This paper represents a numerical and experimental investigation of the bidirectional piezoelectric energy harvester. The harvester can harvest energy from the vibrating base in two perpendicular directions.
Andrius Čeponis   +2 more
doaj   +3 more sources

The Impact of Maximum Power Point Tracking Algorithms on Properties of On-Chip PV-Based Energy Harvester for IoT Devices [PDF]

open access: yesSensors
This article presents the analysis of selected maximum power point tracking (MPPT) algorithms and their influence on developed energy harvester (EH) systems under uniform conditions.
Adam Hudec   +4 more
doaj   +2 more sources

Multi‐source ambient energy harvester based on RF and thermal energy: Design, testing, and IoT application

open access: yesEnergy Science & Engineering, 2020
Billions of wireless sensing devices must be powered for IoT applications. Collecting energy from the ambient environment to power sensor nodes is a promising solution.
Azamat Bakytbekov   +7 more
doaj   +2 more sources

Modeling a Wave Energy Harvester for Supplying Data Buoys

open access: yesApplied Sciences
An energy harvester scavenging the kinetic energy of fluctuating waves for supplying small sea monitoring buoys is studied and tested. The harvester exploits a magnetic cylinder that rolls on a track due to the pitching motion of the buoy.
Alessandro Lo Schiavo   +2 more
doaj   +2 more sources

Simultaneous Energy Harvesting and Gait Recognition Using Piezoelectric Energy Harvester [PDF]

open access: yesIEEE Transactions on Mobile Computing, 2022
13 pages, 17 figures, and 2 ...
Dong Ma 0001   +4 more
openaire   +3 more sources

A Magnetically Coupled Piezoelectric–Electromagnetic Low-Frequency Multidirection Hybrid Energy Harvester

open access: yesMicromachines, 2022
The traditional single electromechanical conversion energy harvester can collect energy only in a single vibration direction. Moreover, it requires high environmental vibration frequency, and its output power is low.
Yongqiang Zhu   +3 more
doaj   +1 more source

Research on piezoelectric vibration energy harvester with variable section circular beam

open access: yesJournal of Low Frequency Noise, Vibration and Active Control, 2021
In order to reduce the natural frequency of the piezoelectric vibration energy harvester, improve performance of the piezoelectric vibration energy harvester, and meet the requirements of energy acquisition in the low-frequency vibration environment, a ...
Tianbing Ma   +4 more
doaj   +1 more source

Nonlinear Energy Harvesting [PDF]

open access: yesPhysical Review Letters, 2009
Ambient energy harvesting has been in recent years the recurring object of a number of research efforts aimed at providing an autonomous solution to the powering of small-scale electronic mobile devices. Among the different solutions, vibration energy harvesting has played a major role due to the almost universal presence of mechanical vibrations: from
COTTONE, FRANCESCO   +2 more
openaire   +4 more sources

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