Linear and Nonlinear Modeling and Experiments of a Piezoaeroelastic Energy Harvester

2010 ◽  
Author(s):  
Carlos De Marqui Junior ◽  
Marcela de Mello Anice´zio ◽  
Wander G. R. Vieira ◽  
Saulo F. Trista˜o
Keyword(s):  
Energy Harvesting ◽  
Time Domain ◽  
Nonlinear Modeling ◽  
Electrical Power ◽  
Load Resistance ◽  
Free Play ◽  
Degree Of Freedom ◽  
Lumped Parameter Model ◽  
Piezoelectric Energy Harvesting ◽  
Piezoelectric Energy

In this paper a piezoaeroelastically coupled lumped-parameter model for energy harvesting due to flow excitation is presented. A two-dimensional airfoil having two degree of freedom, i.e. pitch and plunge, is investigated. Piezoelectric coupling is considered for the plunge degree of freedom. Therefore an additional electrical degree of freedom is added to the problem. A load resistance is considered in the electrical domain. The unsteady aerodynamic loads are obtained from a time domain lumped vortex model. Two case studies are presented here. First the interaction of piezoelectric energy harvesting and a linear aeroelastic typical section is investigated for a set of electrical load resistances. Time domain responses for pitch and plunge as well as for the electrical outputs (voltage, current and electrical power) are presented. The linear model predictions are compared against experimental results. Later a concentrated nonlinearity (free play) is added to the pitch degree of freedom and the typical section is used to investigate LCO for piezoelectric energy harvesting.

scholarly journals Modeling of Piezoelectric Energy Harvesting from Freely Oscillating Cylinders in Water Flow

2014 ◽  
Vol 2014 ◽  
pp. 1-13 ◽  
Author(s):  
Min Zhang ◽  
YingZheng Liu ◽  
ZhaoMin Cao
Keyword(s):  
Energy Harvesting ◽  
Free Stream ◽  
Piezoelectric Materials ◽  
Load Resistance ◽  
Stream Velocity ◽  
Piezoelectric Energy Harvesting ◽  
Vibratory System ◽  
System Parameters ◽  
Piezoelectric Energy ◽  
Vortex Induced Vibrations

A concept of energy harvesting from vortex-induced vibrations of a rigid circular cylinder with two piezoelectric beams attached is investigated. The variations of the power levels with the free stream velocity are determined. A mathematical approach including the coupled cylinder motion and harvested voltage is presented. The effects of the load resistance, piezoelectric materials, and circuit combined on the natural frequency and damping of the vibratory system are determined by performing a linear analysis. The dynamic response of the cylinder and harvested energy are investigated. The results show that the harvested level in SS and SP&PS modes is the same with different values of load resistance. For four different system parameters, the results show that the bigger size of cylinder with PZT beams can obtain the higher harvested power.

Energy harvesting from quasi-static deformations via bilaterally constrained strips

2018 ◽  
Vol 29 (18) ◽  
pp. 3572-3581
Author(s):  
Suihan Liu ◽  
Ali Imani Azad ◽  
Rigoberto Burgueño
Keyword(s):  
Energy Harvesting ◽  
Low Power ◽  
Mechanical Energy ◽  
Electrical Power ◽  
Energy Resource ◽  
Electrical Energy ◽  
Piezoelectric Energy Harvesting ◽  
Power Budget ◽  
Piezoelectric Energy ◽  
Static Conditions

Piezoelectric energy harvesting from ambient vibrations is well studied, but harvesting from quasi-static responses is not yet fully explored. The lack of attention is because quasi-static actions are much slower than the resonance frequency of piezoelectric oscillators to achieve optimal outputs; however, they can be a common mechanical energy resource: from large civil structure deformations to biomechanical motions. The recent advances in bio-micro-electro-mechanical systems and wireless sensor technologies are motivating the study of piezoelectric energy harvesting from quasi-static conditions for low-power budget devices. This article presents a new approach of using quasi-static deformations to generate electrical power through an axially compressed bilaterally constrained strip with an attached piezoelectric layer. A theoretical model was developed to predict the strain distribution of the strip’s buckled configuration for calculating the electrical energy generation. Results from an experimental investigation and finite element simulations are in good agreement with the theoretical study. Test results from a prototyped device showed that a peak output power of 1.33 μW/cm2 was generated, which can adequately provide power supply for low-power budget devices. And a parametric study was also conducted to provide design guidance on selecting the dimensions of a device based on the external embedding structure.

Non-Linear Modeling and Analysis of Composite Helicopter Blade for Piezoelectric Energy Harvesting

2012 ◽  
Author(s):  
Wander G. R. Vieira ◽  
Fred Nitzsche ◽  
Carlos De Marqui
Keyword(s):  
Energy Harvesting ◽  
Electrical Power ◽  
Electrical Energy ◽  
Piezoelectric Energy Harvesting ◽  
Resistive Load ◽  
Linear Modeling ◽  
Modeling And Analysis ◽  
Helicopter Blade ◽  
Piezoelectric Energy ◽  
Non Linear

Converting aeroelastic vibrations into electricity for low-power generation has received growing attention over the past few years. Helicopter blades with embedded piezoelectric elements can provide electrical energy to power small electronic components. In this paper, the non-linear modeling and analysis of an electromechanically coupled cantilevered helicopter blade is presented for piezoelectric energy harvesting. A resistive load is considered in the electrical domain of the problem in order to quantify the electrical power output. The non-linear electromechanical model is derived based on the Variational-Asymptotic Method (VAM). The coupled non-linear rotary system is solved in the time-domain. A generalized-α integration method is used to guarantee numerical stability, adding numerical damping at high frequencies. The electromechanical behavior of the coupled rotating blade is investigated for increasing rotating speeds (stiffening effect).

Time Domain Multiplexing for Efficiency Enhanced Piezoelectric Energy Harvesting in MEMS

2020 ◽  
Vol 41 (3) ◽  
pp. 481-484
Author(s):  
A. Mohammadi ◽  
S. Sadrafshari ◽  
C. R. Bowen ◽  
M. R. Yuce
Keyword(s):  
Energy Harvesting ◽  
Time Domain ◽  
Piezoelectric Energy Harvesting ◽  
Piezoelectric Energy

scholarly journals Tracking of Maximum Electrical Power for a Piezoelectric Energy Harvesting System

2019 ◽  
Vol 8 (3) ◽  
pp. 6465-6469
Keyword(s):  
Energy Harvesting ◽  
Piezoelectric Materials ◽  
Electrical Power ◽  
Maximum Power ◽  
Energy Resources ◽  
Piezoelectric Energy Harvesting ◽  
Renewable Energy Resources ◽  
Piezoelectric Energy ◽  
Global Environmental ◽  
Energy Harvesting System

Recent global environmental challenges have urged researchers to work on renewable energy resources. One major category of these resources is piezoelectric materials. This paper presents dynamic modeling of a piezoelectric energy harvesting system and then presents two level methodology using artificial neural networks to reach its maximum power output. Simulation results show desirable performance of the system, which leads to output increasing and tracking of maximum power in a limited time.

Optimization of a Rainbow Piezoelectric Energy Harvesting System for Tire Monitoring Applications

2018 ◽  
Author(s):  
Roja Esmaeeli ◽  
Haniph Aliniagerdroudbari ◽  
Ashkan Nazari ◽  
Seyed Reza Hashemi ◽  
Muapper Alhadri ◽  
...  
Keyword(s):  
Energy Harvesting ◽  
Piezoelectric Transducer ◽  
Load Resistance ◽  
Piezoelectric Transducers ◽  
Piezoelectric Energy Harvesting ◽  
Element Analysis ◽  
Multiphysics Modeling ◽  
Piezoelectric Energy ◽  
Monitoring Applications ◽  
Energy Harvesting System

Ambient energy harvesting using piezoelectric transducers is becoming popular to provide power for small microelectronics devices. The deflection of tires during rotation is an example of the source of energy for electric power generation. This generated power can be used to feed tire self-powering sensors for bicycles, cars, trucks, and airplanes. The aim of this study is to optimize the energy efficiency of a rainbow shape piezoelectric transducer mounted on the inner layer of a pneumatic tire for providing enough power for microelectronics devices required to monitor tires. For this aim a rainbow shape piezoelectric transducer is adjusted with the tire dimensions and excited based on the car speed and strain. The geometry and load resistance effects of the piezoelectric transducer is optimized using Multiphysics modeling and finite element analysis.

scholarly journals A Novel Technique of Piezoelectric Energy Harvesting

2020 ◽  
Vol 8 (6S) ◽  
pp. 20-24
Keyword(s):  
Energy Harvesting ◽  
Coupling Coefficient ◽  
Large Scale ◽  
Electrical Power ◽  
Piezoelectric Transducers ◽  
Piezoelectric Sensors ◽  
Piezoelectric Energy Harvesting ◽  
Electrical Systems ◽  
Novel Technique ◽  
Piezoelectric Energy

Energy harvesting is the technology to extract energy from environment with many surrounding sources of energy. From these sources it is used to extract less electrical power energy and boost up tiny electrical systems or amount of energy stored in a battery. Many methods in energy harvesting among one of the method for harvesting energy is piezoelectric transducers. Energy harvesting depends upon so many factors like conducting circuit, number of sensors, and coupling coefficient of piezoelectric sensors with electromechanical. For large scale applications, one of the best suited technique energy harvesting .

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