Development of an attachable piezoelectric impedance measuring device for structural health monitoring

被引：0
|
作者：
Zhang, ZW [1 ]
Jiang, ZW [1 ]
Morisaki, T [1 ]
机构：
[1] Yamaguchi Univ, Dept Mech Engn, Ube, Yamaguchi 7558611, Japan
来源：
ICMIT 2005: INFORMATION SYSTEMS AND SIGNAL PROCESSING | 2005年 / 6041卷
关键词：
structural health monitoring; truss structure; piezo-electric element; piezoelectric impedance response; Least Square Method; looseness of bolts;
D O I：
10.1117/12.664491
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
In this paper, we develop a field-portable small-size impedance measurement system for structural health monitoring. The system consists of a rectangle wave generator, computer (or microcomputer), AD converter and piezo-electric element. We present some experimental results for testing the torque loose in the bolt for a truss structure. The results indicate that an accuracy of the impedance measurement system proposed in this paper is almost as accurate as the commercial multipurpose impedance analyzer, and it could be used on the structures for health monitoring.
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页数：6
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