System Identification and Structural Health Monitoring Using Piezoceramic Actuators

被引：3
|
作者：
Schuster, Konrad [1 ]
Kowalsky, Ursula [1 ]
Dinkler, Dieter [1 ]
机构：
[1] Tech Univ Carolo Wilhelmina Braunschweig, Inst Struct Anal, Braunschweig, Germany
来源：
MECHANICS OF ADVANCED MATERIALS AND STRUCTURES | 2011年 / 18卷 / 07期
关键词：
damage detection; model updating; system identification; piezoceramic actuators;
D O I：
10.1080/15376494.2011.605014
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This article deals with an online structural health monitoring (SHM) concept for the inspection of mechanical structures and its experimental validation. Piezoceramic disc actuators are used to excite thin steel structures and to measure the dynamic system response. A model updating algorithm, based on the least-squares method, adapts a finite element model to the experimental data. Two indicators are presented, which enable the localization and the quantification of changes in the structural state.
引用
收藏
页码：540 / 547
页数：8
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