FULMS algorithm based multi channel active vibration control of piezoelectric flexible beam

被引：0
作者：
机构：
[1] School of Mechatronics Engineering and Automation, Shanghai University
来源：
Zhu, X. (mgzhuxj@shu.edu.cn) | 1600年 / Inst. of Scientific and Technical Information of China卷 / 18期
关键词：
Active vibration control; Adaptive control; Filtered-u least mean square (FULMS) algorithm; Model identification; Piezoelectric flexible beam;
D O I：
10.3772/j.issn.1006-6748.2012.02.001
中图分类号：
学科分类号：
摘要：
A multi-channel active vibration controller based on a filtered-u least mean square (FULMS) control algorithm is analyzed and implemented to solve the problem that the vibration feedback may affect the measuring of the reference signal of the filtered-x least mean square (FXLMS) algorithm in the field of active vibration control. By analyzing the multi-channel FULMS algorithm, the multi-channel controller structure diagram is given, while by analyzing multi-channel FXLMS algorithm and its algorithmic procedure, the control channel model identification strategy is given. This paper also provides an easy but practical way to configure the actuators based on the maximal modal force rule. Taking the configured piezoelectric beam as the research object, an active vibration control experimental platform is established to verify the effectiveness of the identification strategy as well as the FULMS control scheme. Simulation and actual control experiments are done after the model parameters are obtained. Both the simulation and actual experiment results show that the designed multi-channel vibration controller has a good control performance with low order model and rapid convergence. © by HIGH TECHNOLOGY LETTERS PRESS.
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页码：113 / 119
页数：6
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