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Effective design and characterization of flutter-based piezoelectric energy harvesters with discontinuous nonlinearities
(2022-01-01)
A comprehensive study on the design and nonlinear characterization of a two-degree of freedom piezoaeroelastic energy harvesting system with freeplay and multi-segmented nonlinearities in the pitch degree of freedom is ...
Design and optimization of electromagnetic transducer for aeroelastic energy harvesting
(2019-08-01)
The energy harvesting from oscillations of structures immersed in a moving fluid has received attention from the scientific community in recent years. Particularly, oscillations resulting from dynamically stable non-linear ...
Non-ideal excitation approach for piezoelectric vibration based energy harvesting
(2014-01-01)
Common solution for energy harvester device is project design according harmonic excitation around natural frequency matching excitation source. Environment vibration is random and wide band causing short time of resonance ...
Harvesting Energy from Time-Limited Harmonic Vibrations: Mechanical Considerations
(2017-10-01)
Single-degree-of-freedom (SDOF) mechanical oscillators have been the most common type of generators used to harvest energy from mechanical vibrations. When the excitation is harmonic, optimal performance is achieved when ...
Optimal linear control driven for piezoelectric non-linear energy harvesting on non-ideal excitation sourced
(2014-01-01)
Non-linear energy harvesting system was project to enhance interaction to ambient vibration that is wide band and low power which difficult the design for resonant solution. To improve efficiency of a non-linear design it ...
A hybrid numerical-analytical approach for modeling levitation based vibration energy harvesters
(Elsevier Science Sa, 2017-04-15)
This paper presents a computational approach for the evaluation of the electro-mechanical response of levitation based vibration energy harvesters. A detailed analysis of the relevant physical, mathematical and computational ...
Non-linear energy harvesting system efficiency comparison from periodic to non-ideal excitation
(2014-01-01)
Dynamics of a non-linear energy harvesting is affected by excitation source and to explore efficiency it is necessary to understand which region offers more energy and the influence of a forced periodic vibration related ...
Vibration attenuation and energy harvesting in metastructures with nonlinear absorbers conserving mass and strain energy
(2022-01-01)
In this work, we explore the performance of vibration attenuation and energy harvesting of a metastructure with vibration absorbers with nonlinear stiffness under harmonic excitation. We devise the metastructure with two ...
Damping in a parametric pendulum with a view on energy harvesting
(Pergamon-Elsevier Science Ltd, 2017-04)
The present article addresses the quantification of damping in a parametric pendulum, with a view on further applications in the design of energy harvesting devices. Detailed new experimental data is obtained for such ...