Robust design optimization of a nonlinear monostable energy harvester with uncertainties
Sign Up to like & getrecommendations! Published in 2020 at "Meccanica"
DOI: 10.1007/s11012-020-01216-z
Abstract: Based on the improved interval extension, a robust optimization method for nonlinear monostable energy harvesters with uncertainties is developed. In this method, the 2nd order terms in the interval extension formula of the objective function… read more here.
Keywords: energy; nonlinear monostable; optimization; monostable energy ... See more keywords
Impedance Matching Techniques of Multi-layered PZT Ceramics for Piezoelectric Energy Harvesters
Sign Up to like & getrecommendations! Published in 2019 at "Electronic Materials Letters"
DOI: 10.1007/s13391-019-00135-w
Abstract: In this research, the possibility of passive damping system based on the piezoelectric energy harvesting has been proposed and tested. To apply passive damper system, piezoelectric ceramics were stacked, and impedance was matched. Piezoelectric energy… read more here.
Keywords: energy; piezoelectric ceramics; piezoelectric energy; impedance matching ... See more keywords
The investigation of viscous and structural damping for piezoelectric energy harvesters using only time-domain voltage measurements
Sign Up to like & getrecommendations! Published in 2021 at "Applied Energy"
DOI: 10.1016/j.apenergy.2020.116427
Abstract: Abstract Knowing the nature of damping in piezoelectric energy harvesters can lead to proper damping and electromechanical models and designing highly efficient harvesters with less damping. As an attempt toward a better understanding of damping… read more here.
Keywords: energy harvesters; damping piezoelectric; air damping; piezoelectric energy ... See more keywords
Stochastic resonance in a piecewise bistable energy harvesting model driven by harmonic excitation and additive Gaussian white noise
Sign Up to like & getrecommendations! Published in 2021 at "Applied Mathematical Modelling"
DOI: 10.1016/j.apm.2020.09.023
Abstract: Abstract Strategies for the energy harvesting of low-frequency vibration modes such as sphygmus and human body motions are immature due to the rigorous resonance issue. Stochastic resonance seems to be an appropriate solution to the… read more here.
Keywords: energy harvesters; energy; piecewise bistable; energy harvesting ... See more keywords
Nonlinear analysis of functionally graded piezoelectric energy harvesters
Sign Up to like & getrecommendations! Published in 2017 at "Composite Structures"
DOI: 10.1016/j.compstruct.2017.09.030
Abstract: Abstract This study deals with nonlinear vibrational analysis of functionally graded piezoelectric energy harvesters (FGPEH) carrying concentrated mass at free end, while taking into account the geometrical nonlinear terms as well as electromechanical couplings. Hamilton’s… read more here.
Keywords: graded piezoelectric; functionally graded; piezoelectric energy; analysis functionally ... See more keywords
Neutral axis modeling and effectiveness of functionally graded piezoelectric energy harvesters
Sign Up to like & getrecommendations! Published in 2019 at "Composite Structures"
DOI: 10.1016/j.compstruct.2019.01.067
Abstract: Abstract The reduced-order modeling and performance of single-layered functionally graded piezoelectric energy harvesting systems are investigated. The choice of single-layered functionally graded materials gives the opportunity to minimize the volume of the energy harvesting system… read more here.
Keywords: neutral axis; energy harvesters; functionally graded; graded piezoelectric ... See more keywords
Introducing arc-shaped piezoelectric elements into energy harvesters
Sign Up to like & getrecommendations! Published in 2017 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2017.05.073
Abstract: Abstract Piezoelectric energy harvesting is envisioned as an ideal complement to batteries for long-life operation of wireless or remote electronic devices. Most piezoelectric energy harvesters (PEHs) utilize piezoelectric plates or discs as the energy transducing… read more here.
Keywords: elements energy; shaped piezoelectric; energy; arc shaped ... See more keywords
Advanced applications of tunable ferrofluids in energy systems and energy harvesters: A critical review
Sign Up to like & getrecommendations! Published in 2017 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2017.07.064
Abstract: Abstract Ferrofluids or Magnetic nanofluids (MNFs) are the suspensions of magnetic nanoparticles and non-magnetic base fluid. The heat transfer performance of a magnetic nano-suspension is influenced by the strength and orientation of an applied magnetic… read more here.
Keywords: tunable ferrofluids; energy; advanced applications; applications tunable ... See more keywords
Testing of piezoelectric energy harvesters isolated from base vibrations
Sign Up to like & getrecommendations! Published in 2019 at "Energy Conversion and Management"
DOI: 10.1016/j.enconman.2019.06.046
Abstract: Abstract The influence of structural vibrations on piezoelectric energy harvesters’ performance is already documented in the literature. Testing of cantilevered type piezoelectric transducers was performed in this work, which confirmed that the voltage output of… read more here.
Keywords: energy harvesters; fan; power; output ... See more keywords
Energy gathering performance of micro/nanoscale circular energy harvesters based on flexoelectric effect
Sign Up to like & getrecommendations! Published in 2018 at "Energy"
DOI: 10.1016/j.energy.2018.02.069
Abstract: Abstract At micro/nanoscale, flexoelectric energy harvesters (FEHs) are more effective than piezoelectric energy harvesters (PEHs). Calculating the voltage and efficiency of such small-scale FEHs is a challenge for their applications. Because of huge number of… read more here.
Keywords: micro nanoscale; energy; nanoscale circular; effect ... See more keywords
Statistical quantification of DC power generated by bistable piezoelectric energy harvesters when driven by random excitations
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2018.11.032
Abstract: Abstract Vibration energy harvesting provides prominent potential on leveraging the converted energy to realize self-powered electronics. To satisfy the demand of electronics and rechargeable batteries for DC voltages in practical applications, the high-performing, nonlinear bistable… read more here.
Keywords: energy harvesters; system; power; energy ... See more keywords