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浙江大学学报(工学版)
浙江大学学报(工学版)  2018, Vol. 52 Issue (10): 1874-1879    DOI: 10.3785/j.issn.1008-973X.2018.10.005
机械与能源工程     
PLZT/PVDF层合柔性悬臂梁的驱动特性
乔锟, 王新杰
南京理工大学 机械工程学院, 江苏 南京 210094
Driving characteristics of PLZT/PVDF laminated flexible cantilever beam
QIAO KUN, WANG Xin-jie
School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
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摘要：

为了实现光驱动柔性悬臂梁结构同时具备远程可控和快速驱动的特性，提出基于0-1极化的光电陶瓷PLZT与压电薄膜PVDF的光电/压电复合驱动柔性梁结构，研究该结构的驱动特性.在PLZT/PVDF复合驱动器数学模型的基础上，构建PLZT/PVDF层合柔性悬臂梁的数学模型.对PLZT/PVDF层合柔性悬臂梁驱动特性的影响因素进行理论分析，简化层合悬臂梁的挠度方程.通过实验对PLZT/PVDF层合柔性悬臂梁的数学模型进行参数识别，给出层合梁挠度幅值变化的理论曲线.实验显示，理论值与实验值的相对误差小于4%，表明利用所构建的PLZT/PVDF层合柔性悬臂梁数学模型能够较准确地反映层合柔性悬臂梁的驱动特性.结果表明，随着PVDF长度的增加，层合悬臂梁挠度幅值先增大后减小；层合悬臂梁挠度幅值随着PVDF厚度的增加而增大.
Abstract:

A photovoltaic/piezoelectric composite flexible beam structure was proposed based on 0-1 polarized PLZT ceramic and PVDF film in order to realize the characteristics of remote control and fast drive for optical drive flexible cantilever beam. Then the driving characteristics of this structure were analyzed. The mathematical model of PLZT/PVDF laminated flexible cantilever beam was established based on the mathematical model of hybrid PLZT/PVDF driver. The influence factors of the driving characteristics of PLZT/PVDF laminated flexible cantilever were theoretically analyzed, and the deflection equation of the cantilever beam was simplified. Parameters in mathematical model of the PLZT/PVDF laminated flexible cantilever beam were identified via experiment method. Then the theoretical curves of deflection amplitude of beam were given. The experimental results showed that the relative errors between the theoretical value and the experimental value were less than 4%. The mathematical model of PLZT/PVDF laminated flexible cantilever beam accurately reflects the driving characteristics of the laminated flexible cantilever beam. The deflection amplitude of laminated cantilever beam increased first and then decreased with the increase of PVDF's length, and increased with the increase of PVDF's thickness.
收稿日期: 2017-06-05 出版日期: 2018-10-11
CLC:  TB381  
基金资助:

国家自然科学基金资助项目（51675282）
通讯作者: 王新杰,男,副教授,博士.orcid.org/0000-0002-9113-0884.     E-mail: xjwang@njust.edu.cn
作者简介: 乔锟(1993-),男,硕士生,从事智能材料和智能结构控制的研究.orcid.org/0000-0002-7628-0622.E-mail:kunq@njust.edu.cn
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引用本文:

乔锟, 王新杰. PLZT/PVDF层合柔性悬臂梁的驱动特性[J]. 浙江大学学报(工学版), 2018, 52(10): 1874-1879.

QIAO KUN, WANG Xin-jie. Driving characteristics of PLZT/PVDF laminated flexible cantilever beam. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2018, 52(10): 1874-1879.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2018.10.005    或    http://www.zjujournals.com/eng/CN/Y2018/V52/I10/1874

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