On the structural damping characteristics of active piezoelectric actuators with passive shunt

被引：112
|
作者：
Tsai, MS [1 ]
Wang, KW [1 ]
机构：
[1] Penn State Univ, Dept Mech Engn, Struct Dynam & Controls Lab, University Pk, PA 16802 USA
来源：
JOURNAL OF SOUND AND VIBRATION | 1999年 / 221卷 / 01期
关键词：
D O I：
10.1006/jsvi.1998.1841
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
This paper presents new insights obtained from analyzing the active-passive hybrid piezoelectric network (APPN) concept. It is shown that the shunt circuit not only can provide passive damping, it can also enhance the active action authority if tuned correctly. Therefore, the integrated APPN design is more effective than a system with separated active and passive elements. However, it is also recognized that a systematic design/control method is needed to ensure that the passive and active actions are optimally synthesized. Such a method is developed and presented. The characteristics of the closed-loop system are analyzed. (C) 1999 Academic Press.
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页码：1 / 22
页数：22
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