Modeling, Simulation and Analysis of Intermediate Fixed Piezoelectric Energy Harvester

Wang, Yulong; Lv, Yaran; Lv, Bao-Zhan; Zhang, Ying

doi:10.3390/en15093294

Cited by 3 publications

(3 citation statements)

References 34 publications

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“…The power generation performance of the piezoelectric oscillator is affected by the structural size of the oscillator, the fixing method, the material properties, and the external load. Compared with the vibration isolator, when solving for the maximum power generation of the piezoelectric suspension, other factors remain the same, only the magnitude of the load is different [36][37][38]…”

Section: Voltagementioning

confidence: 99%

Modeling analysis and experiments of a novel hydro-pneumatic suspension with piezoelectric energy harvester

Wang

Ran

et al. 2023

Smart Mater. Struct.

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With the rapid development of the semiconductor field, the application of micro-electro-mechanical systems embedded in smart devices and driverless vehicles is gradually widespread, and the problem of the self-powered of devices has gradually been attention. Hence, this study propose a novel hydro-pneumatic suspension system by embedding piezoelectric energy harvester into hydro-pneumatic suspensions, which makes the suspension structure simple and achieves the effect of self-powered for the monitoring and the diagnostics of a vehicle or its subsystems. The mathematical model of intermediate fixed piezoelectric energy harvester with hydro-pneumatic suspension was established. The influence of hydraulic component and exitation parameters of suspension system on damping force and power is analyzed. Numerical simulation proves that the novel hydro-pneumatic suspension with piezoelectric energy harvester is justified to achieve self-powered. The bench test proves the accuracy of some of the conclusions of the simulation and the feasibility of the structure.

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Section: Voltagementioning

confidence: 99%

Modeling analysis and experiments of a novel hydro-pneumatic suspension with piezoelectric energy harvester

Wang

Ran

et al. 2023

Smart Mater. Struct.

Self Cite

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“…Piezoelectric energy harvesting is a thoroughly researched topic that has recently gained popularity. Numerous papers in the literature focused only on numerical simulations, analyses, and optimizations [1][2][3][4][5][6][7][8][9]. However, not many articles address the time response [10,11].…”

Section: Introductionmentioning

confidence: 99%

Numerical Analyses on the Responses of Unimorph and Bimorph Piezoelectric Harvesters in Time Domain

Veli¹,

SĂVESCU²,

Morega³

et al. 2023

APME/EMMD

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The paper presents the assessment of the electric output rendered by a unimorph and a bimorph piezoelectric harvester, with one and two active piezoceramic wafers, using numerical simulations. Expected sinusoidal voltages were obtained in a time-dependent study, with a time step corresponding to the eigenfrequency found after conducting an Eigenfrequency study. The terminal voltages obtained agree with the Euler-Bernoulli beam theory and with the distance of the piezoelectric layers from the neutral fiber. By adding an electric circuit node to the electric field problem to form a closed internal circuit, a single unified sinusoidal voltage response should be obtained, coinciding with the input vibration signal. The independent voltages of the layers of a piezoelectric structure with more than one layer (usually two or four) cannot be observed experimentally, as a harvester has only two terminals that pick the overall electric response from all the layers, giving a single alternating voltage output.

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“…The massive use of wireless and portable electronic devices in the industrial sector has caused a big interest in renewable energy sources [1][2][3][4]. Actually, the use of batteries has some problems related to their lifespan and the necessity of maintenance work; therefore, the interest in the development of new autonomous energy sources capable of transforming surrounding wasted energy into electrical energy has grown [5][6][7][8][9][10], including the use of storage systems like smart batteries and supercapacitors [11]. On the other hand, studies related to the incorporation of clean energy sources into the grid [12] and the search for faults in the electrical distribution network [13] are being realized with promising results in improving the efficiency of electricity generation and transmission.…”

Section: Introductionmentioning

confidence: 99%

Electrical Response Analysis of a Piezoelectric Energy Harvester Power Source Based on Electromechanical Parameters

et al. 2022

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A piezoelectric energy harvester generator is a device capable of transforming environmental mechanical energy into electrical energy. The piezoelectric electromechanical parameters determine the maximum electrical power which is able to be transferred to an electric load. In this research work, an exhaustive study of the electromechanical parameters related to the piezoelectric material is carried out, modeling them as components of an electrical circuit, in order to analyze their influence on the transmitted power. On the other hand, some electrical loads are simulated to determine different matrix scenarios for a model developed by state-space equations in the Laplace transform domain. The results obtained have allowed to know how the piezoelectric material properties and mechanical characteristics influence the electrical power output of the energy harvester generator and the energy transmission behavior for different electric loads. The conclusions show how the different electromechanical parameters are related to each other, and how their combination transforms the mechanical environmental energy into the required electrical energy. The novelty of this research is the presentation of a model capable of obtaining the optimized working point of the harvester, taking into account not only the electric loads and current demands but also the piezoelectric material parameters.

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Modeling, Simulation and Analysis of Intermediate Fixed Piezoelectric Energy Harvester

Cited by 3 publications

References 34 publications

Modeling analysis and experiments of a novel hydro-pneumatic suspension with piezoelectric energy harvester

Modeling analysis and experiments of a novel hydro-pneumatic suspension with piezoelectric energy harvester

Numerical Analyses on the Responses of Unimorph and Bimorph Piezoelectric Harvesters in Time Domain

Electrical Response Analysis of a Piezoelectric Energy Harvester Power Source Based on Electromechanical Parameters

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