Optimal control of sandwich panels with pyramidal truss cores based on energy criterion

被引：0
|
作者：
Liu, H. [1 ]
Yang, J. L. [1 ]
机构：
[1] Beijing Univ Aeronaut & Astronaut, Solid Mech Res Ctr, Beijing 100083, Peoples R China
来源：
ADVANCES IN FRACTURE AND MATERIALS BEHAVIOR, PTS 1 AND 2 | 2008年 / 33-37卷
关键词：
optimal control; sandwich panel; pyramidal truss core; energy criterion;
D O I：
10.4028/www.scientific.net/AMR.33-37.1419
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper is addressed to the optimal control of the simply supported sandwich panel with pyramidal truss cores. Firstly, according to the sandwich theory proposed by Sorokin and Ershova, the eigenfrequencies of the sandwich panel are studied. Then based on the energy criterion, the weight coefficient matrix Q and R for the linear quadratic regulator method are obtained. By solving the Riccati equation, the displacement and control force are given. The curves for the displacement response at the center of the plate are shown. From the numerical results, it is found that this method is effective in suppressing the vibration of the sandwich panel with pyramidal truss cores.
引用
收藏
页码：1419 / 1424
页数：6
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