Micro power generator for harvesting low-frequency and nonperiodic vibrations

T Galchev, H Kim, K Najafi - Journal of Microelectromechanical …, 2011 - ieeexplore.ieee.org
This paper presents a new inertial power generator for scavenging low-frequency
nonperiodic vibrations called the Parametric Frequency-Increased Generator (PFIG). The …

Harvesting traffic-induced vibrations for structural health monitoring of bridges

TV Galchev, J McCullagh, RL Peterson… - … of Micromechanics and …, 2011 - iopscience.iop.org
This paper discusses the development and testing of a renewable energy source for
powering wireless sensors used to monitor the structural health of bridges. Traditional power …

A wideband, frequency up-converting bounded vibration energy harvester for a low-frequency environment

K Ashraf, MHM Khir, JO Dennis… - Smart materials and …, 2013 - iopscience.iop.org
This paper presents a bounded vibration energy harvester to effectively harvest energy from
a wide band of low-frequency environmental vibrations ranging from 10 to 18 Hz. Rigid …

[HTML][HTML] Review on electrodynamic energy harvesters—a classification approach

C Cepnik, R Lausecker, U Wallrabe - Micromachines, 2013 - mdpi.com
Beginning with a short historical sketch, electrodynamic energy harvesters with focus on
vibration generators and volumes below 1 dm 3 are reviewed. The current challenges to …

Tuning the resonant frequency and damping of an electromagnetic energy harvester using power electronics

PD Mitcheson, TT Toh, KH Wong… - … on Circuits and …, 2011 - ieeexplore.ieee.org
In order to maximize power density, the resonant frequency of an energy harvester should
be equal to the source excitation frequency and the electrical damping set equal to the …

Experimental passive self-tuning behavior of a beam resonator with sliding proof mass

LM Miller, P Pillatsch, E Halvorsen, PK Wright… - Journal of Sound and …, 2013 - Elsevier
A passively self-tuning resonator configuration is presented in this study. Three different
prototype beam–mass systems were built and tested and all successfully displayed passive …

Vibration energy harvesting: machinery vibration, human movement and flow induced vibration

D Zhu - … Energy Harvesting Technologies-Past, Present and …, 2011 - books.google.com
With the development of low power electronics and energy harvesting technology,
selfpowered systems have become a research hotspot over the last decade. The main …

Long-term testing of a vibration harvesting system for the structural health monitoring of bridges

JJ McCullagh, T Galchev, RL Peterson… - Sensors and Actuators A …, 2014 - Elsevier
Advances in energy harvesting systems are needed to power wireless sensors for structural
health monitoring. Research on developing a harvesting system that converts the low …

Improved energy harvesting from low frequency vibrations by resonance amplification at multiple frequencies

K Ashraf, MHM Khir, JO Dennis, Z Baharudin - Sensors and Actuators A …, 2013 - Elsevier
This paper reports on an electromagnetic vibration energy harvester that utilizes a novel
method of energy pumping based frequency up-conversion to effectively harvest energy …

Fatigue damage in titanium-graphite hybrid laminates

DA Burianek, SM Spearing - Composites science and technology, 2002 - Elsevier
Hybrid laminates could become an enabling technology for future high-temperature, low
mass fraction aerospace vehicles. However, since they are a relatively new material …