Experimental Identification and Control of a Cantilever Beam Using ERA/OKID with a LQR Controller

被引：9

作者：

Gagg, L. A. F. ^{[1
]}

da Conceicao, S. M. ^{[1
]}

Vasques, C. H. ^{[1
]}

de Abreu, G. L. C. M. ^{[1
]}

Lopes, V., Jr. ^{[1
]}

Brennan, M. J. ^{[1
]}

机构：

[1] UNESP, FEIS, GMSINT Grp Mat & Sistemas Inteligentes, Av Brasil 56, BR-15385000 Ilha Solteira, SP, Brazil

来源：

JOURNAL OF CONTROL AUTOMATION AND ELECTRICAL SYSTEMS | 2014年 / 25卷 / 02期

关键词：

Optimal control; Linear quadratic regulator; ERA; OKID;

D O I：

10.1007/s40313-014-0108-8

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 an experimental study of the system identification and vibration control of a cantilever beam. For system identification, a white noise was applied, and the response signal was measured. These signalswere used to feed the eigensystem realization algorithm Observer/Kalman Filter identification method. The identified system was reduced using the Hankel norm model. An linear quadratic regulator controllerwas projected to operate just on the first two natural frequencies of the structure. The damping ratio of the first mode was effectively increased from 0.009 to 0.046.

引用

页码：161 / 173

页数：13

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