OPTIMAL STRUCTURAL DESIGN WITH CONTROL GAIN NORM CONSTRAINT

被引:14
作者
KHOT, NS
OZ, H
GRANDHI, RV
EASTEP, FE
VENKAYYA, VB
机构
[1] OHIO STATE UNIV,COLUMBUS,OH 43210
[2] WRIGHT STATE UNIV,DAYTON,OH 45435
[3] UNIV DAYTON,DAYTON,OH 45469
关键词
MATHEMATICAL TECHNIQUES - Eigenvalues and Eigenfunctions;
D O I
10.2514/3.9940
中图分类号
V [航空、航天];
学科分类号
08 ; 0825 ;
摘要
A structure/control system optimization problem has been formulated with constraints on the closed-loop eigenvalue distribution, structural frequencies, and the minimum Frobenius norm of the required control gains. Suggested is simultaneous optimization where, at each iteration, the control objective function is minimized first with the closed-loop eigenvalue constraints and then structural optimization is performed to satisfy the constraints on the optimal control gain norm and structural frequencies. The feasibility of the approach is demonstrated on a two-bar truss structure. For each locally optimal design, response simulations have been made and control efforts observed. Qualitative aspects of the optimal designs are also included and general conclusions drawn.
引用
收藏
页码:604 / 611
页数:8
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