LQG control of a CFD-based aeroelastic wing model

被引：0
|
作者：
Choi, SB [1 ]
Xu, HJ [1 ]
Mirmirani, MD [1 ]
机构：
[1] Calif State Univ Los Angeles, Multidisciplinary Flight Dynam & Control Lab, Los Angeles, CA 90032 USA
来源：
42ND IEEE CONFERENCE ON DECISION AND CONTROL, VOLS 1-6, PROCEEDINGS | 2003年
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper presents a Linear Quadratic Gaussian (LQG) algorithm for suppression of flutter in an aeroelastic wing. CFD-based input output data and autoregressive moving average identification method were employed to develop a state space model for aerodynamic forces. A finite element model of the wing was constructed to obtain the flexible modes and a second set of linear state space equations representing the structural dynamics of the wing. The outputs of the coupled aeroelastic model, pitch, plunge, and the movement of the control surface at the trailing edge of the wing were used to design a combined state estimator and a linear quadratic regulator. Simulation results presented validates the effectiveness of the controller to suppress flutter induced by increasing dynamic pressure.
引用
收藏
页码：4939 / 4944
页数：6
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