An energy-autonomous self-tunable piezoelectric vibration energy harvesting system

C Eichhorn, R Tchagsim, N Wilhelm… - 2011 IEEE 24th …, 2011 - ieeexplore.ieee.org
A vibration energy harvesting system is presented, which is equipped with a smart
resonance-frequency adaptation. The system is able to react to environmental frequency …

A smart and self-sufficient frequency tunable vibration energy harvester

C Eichhorn, R Tchagsim, N Wilhelm… - … of Micromechanics and …, 2011 - iopscience.iop.org
We present a piezoelectric energy-harvesting system, which is able to self-tune its
resonance frequency in an energy-autonomous way, in order to extend its efficient operation …

Bandwidth widening strategies for piezoelectric based energy harvesting from ambient vibration sources

SL Kok, MF Ab Rahman, DFW Yap… - 2011 IEEE International …, 2011 - ieeexplore.ieee.org
Due to the fact that the ambient vibration sources are random and unpredictable, therefore a
vibration based energy harvesting device is desirable to be able to operate at wider …

Self-powered resonant frequency tuning for Piezoelectric Vibration Energy Harvesters

B Ahmed-Seddik, G Despesse… - Journal of Physics …, 2013 - iopscience.iop.org
This paper reports on the design, fabrication and testing of an innovative 33-mode
piezoelectric vibration energy harvester (VEH). This system is able to change its resonant …

Autonomous wideband mechanical energy harvester

BA Seddik, G Despesse, E Defay - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
The aim of this work is to demonstrate, by theory and experiment, the feasibility of a
mechanical energy harvester able to operate with a high efficiency over a wide vibration …

An adaptive piezoelectric energy harvesting interface circuit with a novel peak detector

S Chamanian, Ö Zorlu, H Külah… - … Conference on Energy …, 2015 - ieeexplore.ieee.org
This paper presents a fully self-powered interface circuit with a novel peak detector for
piezoelectric energy harvesters (PEH). This circuit can be utilized to scavenge energy from …

A wide-band piezoelectric energy-harvester for high-efficiency power generation at low frequencies

QC Tang, X Li - 2013 Transducers & Eurosensors XXVII: The …, 2013 - ieeexplore.ieee.org
This paper presents a miniaturized piezoelectric vibration energy harvester that can
generate over 1.5 μW of average power at the frequency range of 9Hz to 19Hz under …

Adaptive synchronized switch harvesting: A new piezoelectric energy harvesting scheme for wideband vibrations

H Shen, H Ji, J Qiu, Y Bian, D Liu - Sensors and Actuators A: Physical, 2015 - Elsevier
This paper proposes a new energy harvesting architecture that optimizes the energy
conversion under broadband vibrations, which is called adaptive synchronized switch …

Actively controlled power conversion techniques for piezoelectric energy harvesting applications

A Romani, C Tamburini, A Golfarelli… - Sensors and …, 2010 - Springer
The current advances in ultra-low power design let foresee great opportunities in energy
harvesting platforms for self-powered systems. This paper presents two conversion schemes …

A self-sufficient and frequency tunable piezoelectric vibration energy harvester

CV Karadag, N Topaloglu - … of Vibration and …, 2017 - asmedigitalcollection.asme.org
In this paper, a novel smart vibration energy harvester (VEH) is presented. The harvester
automatically adjusts its natural frequency to stay in resonance with ambient vibration. The …