Theoretical modeling and experimental validation of a torsional piezoelectric vibration energy harvesting system

2018 ◽  
Vol 27 (4) ◽  
pp. 045018 ◽  
Author(s):  
Feng Qian ◽  
Wanlu Zhou ◽  
Suresh Kaluvan ◽  
Haifeng Zhang ◽  
Lei Zuo
Keyword(s):  
Energy Harvesting ◽  
Experimental Validation ◽  
Theoretical Modeling ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Energy Harvesting System ◽  
Piezoelectric Vibration

Piezoelectric Vibration Energy Harvester: Design and Prototype

2012 ◽  
Author(s):  
Bogdan Cojocariu ◽  
Anthony Hill ◽  
Alejandra Escudero ◽  
Han Xiao ◽  
Xu Wang
Keyword(s):  
Energy Harvesting ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Interface Circuits ◽  
Vibration Energy Harvester ◽  
New Approach ◽  
Interface Circuit ◽  
Standard Interface ◽  
Energy Harvesting System ◽  
Piezoelectric Vibration

This paper proposes a new approach for vibration energy harvesting analysis. The research investigates and compares efficiencies of a vibration energy harvesting system with two different electric storage interface circuits. One of the interface circuits is the standard interface circuit comprised of four rectifier diodes connected in a classical single phase bridge. The other interface circuit is a newly proposed interface circuit integrated with a voltage multiplier, an impedance converter and an off shelf booster. To validate the effectiveness of the newly proposed interface circuit, a vibration energy harvesting beam system has been developed in connection with this proposed circuit. The harvested efficiency and harvested power output of the system with the two different electric storage interface circuits have been measured and compared.

scholarly journals Response Identification in a Vibration Energy-Harvesting System with Quasi-Zero Stiffness and Two Potential Wells

Energies ◽  
2021 ◽  
Vol 14 (13) ◽  
pp. 3926
Author(s):  
Joanna Iwaniec ◽  
Grzegorz Litak ◽  
Marek Iwaniec ◽  
Jerzy Margielewicz ◽  
Damian Gąska ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Recurrence Plot ◽  
Piezoelectric Transducers ◽  
Vibration Energy ◽  
Vibration Energy Harvesting ◽  
Potential Wells ◽  
Frequency Responses ◽  
Voltage Output ◽  
Quantification Analysis ◽  
Energy Harvesting System

In this paper, the frequency broadband effect in vibration energy harvesting was studied numerically using a quasi-zero stiffness resonator with two potential wells and piezoelectric transducers. Corresponding solutions were investigated for system excitation harmonics at various frequencies. Solutions for the higher voltage output were collected in specific branches of the power output diagram. Both the resonant solution synchronized with excitation and the frequency responses of the subharmonic spectra were found. The selected cases were illustrated and classified using a phase portrait, a Poincaré section, and recurrence plot (RP) approaches. Select recurrence quantification analysis (RQA) measures were used to characterize the discussed solutions.

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