Active control of structural vibration by piezoelectric stack actuators

被引：7
|
作者：
Niu J.-C. [1 ]
Zhao G.-Q. [2 ]
Hu X.-X. [3 ]
机构：
[1] School of Mechanical Engineering, Shandong University
[2] School of Material Science and Engineering, Shandong University
[3] College of Mechanical and Electrical Engineering, Zhejiang University of Technology
来源：
Journal of Zhejiang University-SCIENCE A | 2005年 / 6卷 / 9期
关键词：
Active control; Piezoelectric actuator; Power flow;
D O I：
10.1631/jzus.2005.A0974
中图分类号：
学科分类号：
摘要：
This paper presents a general analytical model of flexible isolation system for application to the installation of high-speed machines and lightweight structures. Piezoelectric stack actuators are employed in the model to achieve vibration control of flexible structures, and dynamic characteristics are also investigated. Mobility technique is used to derive the governing equations of the system. The power flow transmitted into the foundation is solved and considered as a cost function to achieve optimal control of vibration isolation. Some numerical simulations revealed that the analytical model is effective as piezoelectric stack actuators can achieve substantial vibration attenuation by selecting proper value of the input voltage.
引用
收藏
页码：974 / 979
页数：5
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