Amended disturbance observer design and its application in active vibration control for piezoelectric structure

被引：0
作者：
Li Shengquan [1 ]
Zhao Rong [1 ]
Li Juan [2 ]
Mo Yueping [1 ]
机构：
[1] Yangzhou Univ, Sch Energy & Power Engn, Yangzhou 225127, Peoples R China
[2] Southeast Univ, Sch Automat, Nanjing, Jiangsu, Peoples R China
来源：
2013 25TH CHINESE CONTROL AND DECISION CONFERENCE (CCDC) | 2013年
关键词：
active vibration control; disturbance observer (DOB); stiffened panel; piezoelectric; optimal control;
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：
To improve the vibration suppression performance of LQR based real structural vibration control system, an amended disturbance observer design method was presented for an all-clamped stiffened panel with unmodeled error, harmonic effect and acceleration sensor noise. Then, a compound control strategy is proposed to suppress the structural vibration excited by external sinusoidal disturbance, via combing the amended DOB and the traditional LQR optimized by the chaos sequence. Both theory analysis and vibration control experiment results have shown good disturbances and measurement noise rejection performances of the proposed active vibration control strategy.
引用
收藏
页码：3028 / 3033
页数：6
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