扬声器作为惯性作动器的结构振动主动控制研究

摘要

The loudspeaker is normally used for sound field excitation. In this paper, the loudspeaker is used as inertial actuator for active vibration control approach. And this method can be applied to engineering ap-plications. First, the model of the inertial actuators based on the loudspeaker is established. Then the control performance of the proposed inertial actuator is presented. To further investigate the proposed method, de-sign of active vibration control experiment system, and use direct velocity feedback control strategy for the experiment. The theoretical calculation and experimental results show that the loudspeakers can be used as inertial actuators for active vibration control approach.%目前扬声器主要用于声场激励,文章将扬声器作为惯性作动器应用于结构振动主动控制中,实现结构振动控制,并将其应用到实际工程应用中.建立并研究基于扬声器的惯性作动器模型,设计振动主动控制实验系统,采用直接速度反馈控制策略进行实验,理论计算和实验结果表明:扬声器作为惯性作动器实现结构振动控制是可行的.