A model for the energy harvesting performance of shear mode piezoelectric cantilever

被引：60

作者：

Zhou, L. ^{[1
]}

Sun, J. ^{[1
]}

Zheng, X. J. ^{[1
,2
]}

Deng, S. F. ^{[1
]}

Zhao, J. H. ^{[1
]}

Peng, S. T. ^{[1
]}

Zhang, Y. ^{[1
]}

Wang, X. Y. ^{[2
]}

Cheng, H. B. ^{[2
]}

机构：

[1] Xiangtan Univ, Fac Mat Optoelect & Phys, Xiangtan 411105, Hunan, Peoples R China

[2] Univ Shanghai Sci & Technol, Sch Mat Sci & Engn, Shanghai 200093, Peoples R China

来源：

SENSORS AND ACTUATORS A-PHYSICAL | 2012年 / 179卷

关键词：

Modelling; d(15) mode; Energy harvesting; Piezoelectric cantilever; Numerical solution; VIBRATION ENERGY; GENERATOR; DEVICE; DESIGN; SENSOR;

D O I：

10.1016/j.sna.2012.02.041

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The electrical model with the piezoelectric constitutive equations of d(15) mode and the single degree of freedom model are combined to describe the energy harvesting performance of shear mode piezoelectric cantilever, and the proposed model is used to simulate the frequency dependence of the output peak voltage and power. To verify the validity, the previous experimental parameters of the shear mode piezoelectric cantilever with 0.71Pb(Mg1/3Nb2/3)O-3-0.29PbTiO(3) single crystal and brass shim are chosen to evaluate the energy harvesting performance as the example, and the frequency dependence of the output peak voltage and output power is in good agreement with the previous experiment. The results are also compared with the ANSYS numerical solutions, which reveal acceptable agreement. The effects of the material properties and geometrical dimensions on the energy harvesting performance are discussed to provide some useful guidelines to the design of piezoelectric energy harvesting devices. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：185 / 192

页数：8

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