Nonlinear controllers for vibration suppression in a large flexible structure

被引:18
|
作者
Casella, F
Locatelli, A
Schiavoni, N
机构
[1] Dipto. di Elettronica e Informazione, Politecnico di Milano, 32-20131 Milano, Piazza Leonardo da Vinci
关键词
large space structures; modal control; nonlinear control systems; state estimation; vibration active damping;
D O I
10.1016/0967-0661(96)00070-6
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 deals with the problem of active vibration suppression in a laboratory model of a large flexible space structure, using nonlinear control laws. The basic control strategy is first presented in the simplified case of a one-degree-of-freedom mechanical oscillator; the results of this analysis are then used for the synthesis of two different controllers for the truss structure, one employing on-off air jet thrusters and the other employing piezoelectric active members as actuators. Experimental results obtained with the first controller are also given.
引用
收藏
页码:791 / 806
页数:16
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