Modeling and optimal control for plates with defects

被引：0

作者：

Marinova, Daniela ^{[1
]}

Lukarski, Dimitar

Stavroulakis, Georgios

机构：

[1] Tech Univ, Fac Appl Math & Informat, Sofia, Bulgaria

[2] Tech Univ Crete, Dept Prod Engn & Prod Management, Khania, Greece

来源：

JOURNAL OF VIBRATION AND CONTROL | 2007年 / 13卷 / 9-10期

关键词：

plate theory; active control; optimal control; finite element model;

D O I：

10.1177/1077546307077501

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper presents modeling and vibration control design of thin lightweight plates taking into account defects. The classical plate theory in bending is used for a finite element dynamical model. Defects are modeled in a smeared-type way by changing the physical parameters of the corresponding element. Optimal control is further studied for plates with defects supplied with sensors and actuators. LQR and H-2 control schemes are considered for vibration suppression. The influence of the plate's defects on the control of the vibrations is investigated. The placement of control forces and their influence on the quality of the vibration-regulating process is considered. Numerical simulations are carried out in order to demonstrate the efficiency of the proposed control strategies.

引用

页码：1343 / 1353

页数：11