An Active Vibration Isolation System Using Piezoelectric Unimorph Actuators

被引：0

作者：

Han, J. -H. ^{[1
]}

Kang, L. -H. ^{[1
]}

Lee, J. -W. ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Taejon 305701, South Korea

来源：

ACTUATOR 08, CONFERENCE PROCEEDINGS | 2008年

关键词：

piezoelectric; unimorph; vibration control; isolator; actuator;

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：

In this paper, a curved shape actuator made by a new manufacturing method, and a vibration isolation system using unimorph actuators are investigated. The boundary conditions for higher induced displacements of the actuators were studied. By stacking unimorph actuator layer, a smart vibration isolation system with improved load capacity was proposed. The dominant dynamics of the vibration isolator can be assumed as a single degree of freedom system, and the positive position feedback(PPF) controller as well as negative velocity feedback(NVF) controller was applied for active vibration control. About 20dB vibration reduction of the system was achieved near the resonant frequency region in spite of changes in dummy weight.

引用

页码：923 / 926

页数：4

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