APPLICATION OF ELECTRO-MECHANICAL IMPEDANCE SENSING TECHNIQUE FOR ONLINE AGING MONITORING OF RUBBER

被引：6
|
作者：
Zhang, Yuxiang [1 ]
Xu, Fuhou [1 ]
Zhang, Tongda [2 ]
Wu, Cuiqin [1 ]
机构：
[1] Xian Res Inst Hitech Hongqing Town, Off 203, Xian 710025, Peoples R China
[2] Tsinghua Univ, Dept Automat, Beijing 100084, Peoples R China
来源：
INTELLIGENT AUTOMATION AND SOFT COMPUTING | 2012年 / 18卷 / 08期
关键词：
Electro-mechanical impedance; Aging monitoring; FEM; rubber; smart piezoelectric materials;
D O I：
10.1080/10798587.2008.10643314
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Electro-mechanical impedance (EMI) sensing technique based on smart piezoelectric materials has emerged as a potential tool for the implementation of an online monitoring system for structural health monitoring. Many nondestructive methods have limited capabilities in monitoring of the rubber aging in a continuous manner. In this study, the feasibility of the EMI sensing technique for the online aging monitoring of rubber is investigated. The finite element method (FEM) is employed to analyze the impedance of piezoelectric patch which is bonded on the aging rubber. The results show that the EMI signatures not only can detect the aging of rubber but also can evaluate the aging extent, and the EMI signatures are more sensitive to the early aging rubber with increasing excites frequency.
引用
收藏
页码：1101 / 1109
页数：9
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