Vibration Bandgaps of Piezoelectric Metamaterial Plate with Local Resonators for Vibration Energy Harvesting

Abstract

Embedded wireless sensing networks (WSNs) provide effective solutions for structural health monitoring (SHM), where how to provide long-term electric power is a bottle-neck problem. Piezoelectric vibration energy harvesting (PVEH) has been widely studied to realize self-powered WSNs due to piezoelectric effect. Structural vibrations are usually variable and exist in the form of elastic waves, so cantilever-like harvesters are not appropriate. In this paper, one kind of two-dimensional (2D) piezoelectric metamaterial plates with local resonators (PMP-LR) is investigated for structural vibration energy harvesting. In order to achieve low-frequency and broadband PVEH in SHM, it is highly necessary to study dynamic characteristics of PMP-LR, particularly bandgaps. Firstly, an analytical model is developed based on the Kirchhoff plate theory, and modal analysis is done by using the Rayleigh–Ritz method. Then, effects of geometric and material parameters on vibration bandgaps are analyzed by finite element-based simulations. In the end, experiments are carried out to validate the simulated results. The results demonstrate that the location of bandgaps can be easily adjusted by the design of local resonators. Therefore, the proposed method will provide an effective tool for optimizing local resonators in PMP-LR.

Equivalent circuit representation of a vortex‐induced vibration‐based energy harvester using a semi‐empirical lumped parameter approach

“…In recent years, energy harvesting technologies such as electromagnetic, 16 dielectric, 17,18 and triboelectric [19][20][21] have been reported by researchers, besides which piezoelectric energy harvesting has been studied widely because of its high voltage output, high power density, and ease of miniaturization. [22][23][24][25][26][27][28][29][30] Dai et al 31 presented a theoretical model for a linear VIV-based piezoelectric energy harvester (VIVPEH), where the wake oscillator model was employed to formulate the vortexinduced aerodynamic force acting on the cylinder. However, such a model can only be used for a smooth cylinder.…”

“…The Marine Renewable Energy Laboratory (MRELab) further developed the VIVACE to harvest the hydrokinetic power using the electromagnetic transduction. In recent years, energy harvesting technologies such as electromagnetic, dielectric, and triboelectric have been reported by researchers, besides which piezoelectric energy harvesting has been studied widely because of its high voltage output, high power density, and ease of miniaturization . Dai et al presented a theoretical model for a linear VIV‐based piezoelectric energy harvester (VIVPEH), where the wake oscillator model was employed to formulate the vortex‐induced aerodynamic force acting on the cylinder.…”

Elastic-electro-mechanical modeling and analysis of piezoelectric metamaterial plate with a self-powered synchronized charge extraction circuit for vibration energy harvesting

“…Hu et al studied a mathematical model of an acoustic-elastic metamaterial embedded with a piezoelectric transducer, which was used for simultaneous vibration suppression and energy harvesting [16]. Chen et al investigated one kind of 2D piezoelectric metamaterial plates with local resonators (PMP-LR) for structural vibration energy harvesting and pointed out that the location of bandgaps could be designed by adjusting local resonators [17].…”

Binary-Like Topology Optimization of Piezoelectric Metamaterial Plate with Interface Circuits Using Extended Plane Wave Expansion Method

“…Kherraz et al studied numerically and experimentally locally resonant bandgaps in a homogeneous piezoelectric plate covered by a 1D periodic array of thin electrodes connected to inductive shunts [18]. Chen et al first investigated one kind of piezoelectric metamaterial plate (PMP) for vibration energy harvesting and analyzed the effects of geometric and material parameters on vibration bandgaps by finite element simulations [19]. Later, Chen et al continued to build an elastic-electro-mechanical model of the PMP with interface circuits (PMPICs) [20].…”