Strain rate self-sensing for a cantilevered piezoelectric beam

被引：8
|
作者：
Nam, Y
Sasaki, M
机构：
[1] Kangwon Natl Univ, Dept Mech Engn, Chunchon 200701, Kangwon Do, South Korea
[2] Gifu Univ, Fac Engn, Dept Mech & Syst Engn, Gifu 5011193, Japan
来源：
KSME INTERNATIONAL JOURNAL | 2002年 / 16卷 / 03期
关键词：
piezoelectric material; adaptive filter; strain rate self-sensing; Hamilton's principle;
D O I：
10.1007/BF03185228
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
This paper deals with the analytical modeling, and the experimental verification of the strain rate self-sensing method using a hybrid adaptive Filter for a cantilevered piezoelectric beam. The piezoelectric beam consists of two laminated lead zirconium titanates (PZT) on a metal shim. A mathematical model of the beam dynamics is derived by Hamilton's principle and the accuracy of the modeling is verified through the comparison with experimental results. For the strain rate estimation of the cantilevered piezoelectric beam, a self-sensing mechanism using a hybrid adaptive Filter is considered. The discrete parts of this mechanism are realized by the DS1103 DSP board manufactured by dSPACE(TM). The efficacy of this method is investigated through the comparison of experimental results with the predictions from the derived analytical model.
引用
收藏
页码：310 / 319
页数：10
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