Design, fabrication and performance evaluation of functionally gradient piezoelectric actuator

QIU Jin-hao; JIANG Hao; JI Hong-li; ZHU Kong-jun; LI Yong-jun

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Design, fabrication and performance evaluation of functionally gradient piezoelectric actuator

Article | 更新时间：2020-08-12

- Design, fabrication and performance evaluation of functionally gradient piezoelectric actuator
- Optics and Precision Engineering Vol. 17, Issue 1, Pages: 118-125(2009)
- 作者机构：
  
  南京航空航天大学, 江苏南京 210016
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN384
- Received：22 April 2008，
  
  Revised：18 November 2008，
  
  Published Online：25 January 2009，
  
  Published：25 January 2009
- 稿件说明：
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裘进浩, 姜皓, 季宏丽, 朱孔军, 李勇君. 功能梯度压电驱动器的结构设计、制备与功能验证[J]. 光学精密工程, 2009,17(1): 118-125

QIU Jin-hao, JIANG Hao, JI Hong-li, ZHU Kong-jun, LI Yong-jun. Design, fabrication and performance evaluation of functionally gradient piezoelectric actuator[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 118-125
裘进浩, 姜皓, 季宏丽, 朱孔军, 李勇君. 功能梯度压电驱动器的结构设计、制备与功能验证[J]. 光学精密工程, 2009,17(1): 118-125 DOI：

QIU Jin-hao, JIANG Hao, JI Hong-li, ZHU Kong-jun, LI Yong-jun. Design, fabrication and performance evaluation of functionally gradient piezoelectric actuator[J]. Editorial Office of Optics and Precision Engineering, 2009,17(1): 118-125 DOI：

摘要

根据作者早期研究中提出的一种新型功能梯度驱动器

设计并制备了该驱动器

建立了理论模型

并对驱动器的性能进行了测试。这种新型功能梯度驱动器由4种基于Pb(Ni

1/3

2/3

-PbZrO

-PbTiO

系列的材料复合而成

且4层材料的压电常数和介电常数在厚度方向上的梯度变化相反

这种梯度结构能使驱动器结构内部的应力分布优于传统弯曲驱动器。为了对驱动器进行优化设计

利用经典复合材料力学和压电方程建立了功能梯度压电驱动器的理论模型

并计算了不同厚度配比的驱动器受电压和自由端集中力单独作用时的准静态变形和应力分布

通过分析驱动器的内部应力

确定了各层最优厚度配比为1∶1∶1∶1。根据优化结果成功制备了功能梯度压电驱动器

并测量了驱动器自由端输出位移与输出力的关系。测量结果表明

功能梯度压电弯曲驱动器的输出位移和输出力呈线性关系

并且频率越低

输出位移和力就越大。

Abstract

On the basis of a new type of functionally gradient (FG) piezoelectric actuator proposed by the authors in their former study

the new actuator is designed

fabricated

modeled and experimentally studied. The material compositions are selected from Pb(Ni

1/3

2/3

-PbZrO

-PbTiO

family and they are used as the four layers in the new FG piezoelectric actuator.The piezoelectric constants and dielectric constants of the materials are gradated oppositely in the thickness direction

because this special structure of the FG piezoelectric actuator has an advantage over the traditional actuators in internal stress distribution. To optimize the structure of the FG piezoelectric actuator

an electromechanic model is derived from Classical Lamination Theory (CLT) and piezoelectric equation

and the static distortion and stress distribution of the actuator with different thickness ratios are computed when the voltage or concentrated force effects on it independently.The optimum thickness ratio is 1∶1∶1∶1

which is determined by optimizing the internal stress distribution.According to the optimizing result

the FG piezoelectric actuator is fabricated successfully

also the relation between the output displacement and output force at the free end of the actuator is measured. The experimental results indicate that there is a linear relation between the output displacement and output force of the actuator

moreover

the lower vibration frequency is

the greater output displacement and output force are.

关键词

Keywords

references

UCHINO K. Piezoelectric/Dielectric Actuators [M]. Tokyo: Morikita Publishing, 1986.(in Japanese)[2] 叶会英,浦昭邦. 压电双晶片的能量传输特性分析 . 光学精密工程,2000,8(4):345-350. YE H Y,PU ZH B.Analysis of the capacity of energy transmission for piezoelectric bimorph [J].Opt.Precision Eng.,2000,8(4):345-350.(in Chinese)[3] 张涛,孙立宁,蔡鹤皋. 压电陶瓷基本特性研究 [J]. 光学精密工程,1998,6(5):26-32. ZHANG T,SUN L N,CAI H G.Study on the Fundamental characteristics of Piezoelectric Element[J].Opt.Precision Eng.,1998,6(5):26-32. (in Chinese)[4] ABURATANI H, HARADA S, UCHINO K, et al.. A Destruction mechanism in ceramic multilayer actuators part 1[J]. J. Appl. Phys.,1994,33:3091-3094.[5] HEARTLING G H. RAINBOW ceramics—a new type of ultra-high-displacement actuator [J]. Feature, 1994,73:93-96.[6] FURMAN E, LI G, HEARTLING G H. An investigation of the resonance properties of RAINBOW actuators [J]. Ferroelectrics, 1994,160:357-369.[7] KOIZUMI M. The Concept of FGM [J]. Ceramic Transactions Functionally Gradient Materials, 1993, 34: 3-10.[8] 尹林,沈亚鹏. 压电类智能结构的力学行为和工程应用[J]. 力学进展,1998,28(2):163-172. YIN L,SHEN Y P.Mechanical Behavior and Engineering Applications of Piezo—intelligent Structures [J].Advances in Mechanics,1998,28(2):163-172.[9] QIU J, TANI J, WARKENTIN D J, et al.. Stress analysis of RAINBOW actuators and relief of stress by gradation of material composition [J]. Japan. Soc. Appl. Electromagnet. Mech.,1999,7:185-192.[10] TANI J, QIU J, MORITA T. Functionally gradient piezoelectric actuators [J]. Trans. Mater. Res. Soc. Japan.,2001,26:283-286.[11] ANSI/IEEE Std 176-1978, IEEE Standard on Piezoelectricity [S].[12] GEORGE Z V, PERTER I K. Mechanics of Composite Materials with MATLAB[M].Berlin: Springer Publishing, 2005.

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