Simulation and experimental demonstration of improved efficiency in coupled piezoelectric cantilevers by extended strain distribution

LGH Staaf, E Köhler, D Parthasarathy… - Sensors and actuators A …, 2015 - Elsevier
A piezoelectric energy harvester design is proposed, which will achieve a wider bandwidth
without compromising energy conversion efficiency for future use in eg gas turbines. By …

Modelling and experimental verification of more efficient power harvesting by coupled piezoelectric cantilevers

LGH Staaf, E Köhler, D Parthasarathy… - Journal of Physics …, 2014 - iopscience.iop.org
A new piezoelectric energy harvester design is proposed in order to achieve a wider
bandwidth without compromising energy conversion efficiency. By coupling two cantilevers …

Smart design piezoelectric energy harvester with self-tuning

LGH Staaf, E Köhler, PD Folkow… - Journal of Physics …, 2017 - iopscience.iop.org
Piezoelectric energy harvesting on a gas turbine implies constraints like high temperature
tolerance, size limitation and a particular range of vibrations to utilise. In order to be able to …

Optimization of piezoelectric cantilever energy harvesters including non-linear effects

R Patel, S McWilliam, AA Popov - Smart Materials and Structures, 2014 - iopscience.iop.org
This paper proposes a versatile non-linear model for predicting piezoelectric energy
harvester performance. The presented model includes (i) material non-linearity, for both …

A micromachined coupled-cantilever for piezoelectric energy harvesters

A Vyas, H Staaf, C Rusu, T Ebefors, J Liljeholm… - Micromachines, 2018 - mdpi.com
This paper presents a demonstration of the feasibility of fabricating micro-cantilever
harvesters with extended stress distribution and enhanced bandwidth by exploiting an M …

Impact of geometry on the performance of cantilever-based piezoelectric vibration energy harvesters

AH Alameh, M Gratuze, F Nabki - IEEE Sensors Journal, 2019 - ieeexplore.ieee.org
This paper aims at comparing micromachined cantilever structures with the purpose of
providing design guidelines towards high performance energy harvesters such that they …

Smart design selftuning piezoelectric energy harvester intended for gas turbines

LGH Staaf, E Köhler, M Soeiro… - Journal of Physics …, 2015 - iopscience.iop.org
Piezoelectric energy harvesting on a gas turbine implies constraints like high temperature
tolerance, size limitation and a particular range of vibrations to utilise. In order to be able to …

Structure–performance relationships for cantilever-type piezoelectric energy harvesters

KH Cho, HY Park, JS Heo, S Priya - Journal of Applied Physics, 2014 - pubs.aip.org
This study provides comprehensive analysis of the structure–performance relationships in
cantilever-type piezoelectric energy harvesters. It provides full understanding of the effect of …

Design and analysis of an extended simply supported beam piezoelectric energy harvester

WJ Su, CH Tseng - Sensors, 2023 - mdpi.com
The harvesting efficiency of a cantilevered piezoelectric energy harvester is limited by its
uneven strain distribution. Moreover, a cantilevered harvester requires a large workspace …

Parameter uncertainties in the design and optimization of cantilever piezoelectric energy harvesters

VR Franco, PS Varoto - Mechanical Systems and Signal Processing, 2017 - Elsevier
A crucial issue in piezoelectric energy harvesting is the efficiency of the mechanical to
electrical conversion process. Several techniques have been investigated in order to obtain …