蜂窝纸板动态特性建模与参数识别

朱大鹏;周世生;张志昆

振动与冲击 ›› 2010, Vol. 29 ›› Issue (4) : 213-217.

PDF(1097 KB)
PDF(1097 KB)
振动与冲击 ›› 2010, Vol. 29 ›› Issue (4) : 213-217.
论文

蜂窝纸板动态特性建模与参数识别

  • 朱大鹏1,2;周世生1;张志昆2
作者信息 +

Modeling for honeycomb fibreboard dynamic properties and parameter identification

  • ZHU Dapeng1,2;ZHOU Shisheng1; ZHANG Zhikun2
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文章历史 +

摘要

考虑到蜂窝纸板的结构和材料,将蜂窝纸板建模为具有粘弹性的线性材料,其松弛核表示为指数函数之和。建立了利用蜂窝纸板—质量系统自由响应数据进行参数识别的方法,首先利用改进的Prony方法求出自由响应数据的极点,根据该极点对蜂窝纸板的弹性系数,粘性系数和粘弹性系数进行识别。构造了蜂窝纸板—质量系统的自由响应实验系统,根据参数识别的方法,求出了不同载荷条件下的蜂窝纸板的弹性系数,阻尼系数和粘弹性系数。介绍了利用识别出的参数模拟蜂窝纸板—质量系统的自由响应的方法,模拟结果表明,利用该模型识别出的参数可准确预测蜂窝纸板—质量系统的自由响应,为蜂窝纸板在包装中的合理应用提供了设计的依据。

Abstract

The honeycomb fibreboard is modeled as linear material with viscoelastic property, taking the structure and the material into account, the relaxation kernel is expressed as the sum of exponentials. The parameter identification procedure is formulated using the free response data of honeycomb fibreboard—mass system, firstly, the signal poles of the free response data are obtained using modified Prony method, the stiffness coefficient, damping coefficient and the viscoelastic parameters can be identified using the signal poles. The experiment system for recording the free response data of honeycomb fibreboard—mass system is developed, the parameter identification procedure is applied to the free response data, the stiffness coefficient, damping coefficient and the viscoelastic parameters under different strain condition can be get. The method to simulate the free response of honeycomb fibreboard—mass system is deduced, the simulate result indicates the free response of honeycomb fibreboard—mass system can be accurately predicted, using the parameters identified from the dynamic property model in this paper, and the model can provide design basis for the proper use of honeycomb fibreboard in packaging.

关键词

蜂窝纸板 / 动态特性建模 / 参数识别 / 粘弹性 / 改进的Prony方法

Key words

honeycomb fibreboard / modeling for the dynamic property / parameter identification / viscoelastic / modified Prony method

引用本文

导出引用
朱大鹏;周世生;张志昆. 蜂窝纸板动态特性建模与参数识别[J]. 振动与冲击, 2010, 29(4): 213-217
ZHU Dapeng;ZHOU Shisheng;ZHANG Zhikun. Modeling for honeycomb fibreboard dynamic properties and parameter identification[J]. Journal of Vibration and Shock, 2010, 29(4): 213-217

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