基于PVDF传感器的阶梯梁实验模态分析

钟海彬; 毛崎波

doi:10.13873/J.1000-9787(2015)04-0038-04

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基于PVDF传感器的阶梯梁实验模态分析

研究与探讨 | 更新时间：2025-09-11

- 基于PVDF传感器的阶梯梁实验模态分析
- Experimental modal analysis for stepped beam by using PVDF sensor
- 传感器与微系统 2015年34卷第4期页码：38-41
- 作者机构：
  
  南昌航空大学飞行器工程学院
- 作者简介：
- 基金信息：
  
  国家自然科学基金资助项目（51265037）;江西省高等学校科技落地项目（KJLD12075）;江西省教育厅科技资助项目（GJJ13524）
- DOI：10.13873/J.1000-9787(2015)04-0038-04
  中图分类号： TP212
- 纸质出版：2015
- 稿件说明：
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[1]钟海彬,毛崎波.基于PVDF传感器的阶梯梁实验模态分析[J].传感器与微系统,2015,34(04):38-41.

ZHONG Hai-bin, MAO Qi-bo. Experimental modal analysis for stepped beam by using PVDF sensor[J]. 2015, 34(4): 38-41.
[1]钟海彬,毛崎波.基于PVDF传感器的阶梯梁实验模态分析[J].传感器与微系统,2015,34(04):38-41. DOI： 10.13873/J.1000-9787(2015)04-0038-04.

ZHONG Hai-bin, MAO Qi-bo. Experimental modal analysis for stepped beam by using PVDF sensor[J]. 2015, 34(4): 38-41. DOI： 10.13873/J.1000-9787(2015)04-0038-04.

摘要

以两端固定阶梯梁为例

采用多点激励、单点测量方法通过矩形聚偏氟乙烯（PVDF）压电薄膜传感器进行实验模态分析

并与数值计算结果和小质量加速度计实验结果进行对比。理论计算和实验表明:PVDF传感器可以代替传统的加速度计进行实验模态分析

对阶梯梁模态分析效果很好

并且PVDF传感器具有连续分布式、质量轻、频响宽、价格相对低廉等优点。

Abstract

With an example of a clamped stepped beam

an experimental modal analysis is performed by using a rectangular segment of polyvinylidene fluoride（ PVDF） film as the sensor

and beam is excited by a moving hammer with a force transducer

and numerical calculation results and the small quality accelerometer experimental results are both compared with PVDF film sensor experimental results. Theoretical calculation and experimental results show that the PVDF sensors can be used to replace the traditional accelerometer in experiment modal analysis

furthermore

PVDF sensors have advantages of continuous distribution

light quality

wide frequency response and relatively cheap price

and so on.

关键词

Keywords

references

PVDF压电传感器在实验模态分析中的应用 [J]. 朱峤,毛崎波. 压电与声光 . 2014(03)

Design of piezoelectric modal sensor for non-uniform Euler–Bernoulli beams with rectangular cross-section by using differential transformation method [J] . Qibo Mao. Mechanical Systems and Signal Processing . 2012

Free vibration analysis of stepped beams by using Adomian decomposition method [J] . Qibo Mao,Stanislaw Pietrzko. Applied Mathematics and Computation . 2010 (7)

Design of shaped piezoelectric modal sensor for beam with arbitrary boundary conditions by using Adomian decomposition method [J] . Qibo Mao,Stanislaw Pietrzko. Journal of Sound and Vibration . 2009 (11)

VIBRATION ANALYSIS OF BEAMS USING THE GENERALIZED DIFFERENTIAL QUADRATURE RULE AND DOMAIN DECOMPOSITION [J] . G.R. LIU,T.Y. WU. Journal of Sound and Vibration . 2001 (3)

STRUCTURAL MODAL TESTING WITH VARIOUS ACTUATORS AND SENSORS [J] . B.-T. Wang. Mechanical Systems and Signal Processing . 1998 (5)

FREE VIBRATIONS OF A COMPLEX EULER-BERNOULLI BEAM [J] . N. Popplewell,Daqing Chang. Journal of Sound and Vibration . 1996 (5)

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