Vibration isolation system using negative stiffness

被引：69
|
作者：
Mizuno, T [1 ]
Toumiya, T [1 ]
Takasaki, M [1 ]
机构：
[1] Saitama Univ, Dept Engn Mech, Urawa, Saitama 3388570, Japan
来源：
JSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING | 2003年 / 46卷 / 03期
关键词：
vibration isolation; vibration control; actuator; mechatronics; servo mechanism; precision instrument; negative stiffness; compliance control;
D O I：
10.1299/jsmec.46.807
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A new vibration isolation system using negative stiffness realized by active control technique is proposed in this paper. The serial connection of a normal spring and a suspension system with negative stiffness enables the isolation system to have low stiffness for vibration from the ground and high (theoretically infinite) stiffness against direct disturbance acting on the isolation table. A control method of realizing negative stiffness with a linear actuator is presented in an analytical form. The validity of this method is confirmed experimentally with an apparatus equipped with a voice coil motor. It is also confirmed experimentally that high stiffness against direct disturbance on the isolation table can be achieved in the proposed vibration isolation system.
引用
收藏
页码：807 / 812
页数：6
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