Vibration control by a variable damping and stiffness system with magnetorheological dampers

被引：15
|
作者：
Liu, Yanqing [1 ]
Matsuhisa, Hiroshi [1 ]
Utsuno, Hideo [1 ]
Park, Jeong Gyu [1 ]
机构：
[1] Kyoto Univ, Dept Precis Engn, Sakyo Ku, Kyoto 6068501, Japan
来源：
JSME INTERNATIONAL JOURNAL SERIES C-MECHANICAL SYSTEMS MACHINE ELEMENTS AND MANUFACTURING | 2006年 / 49卷 / 02期
关键词：
variable damping; variable stiffness; MR damper; semi-active control; vibration;
D O I：
10.1299/jsmec.49.411
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A vibration isolation system with variable damping and stiffness control is practical and has good performances. However, conventional devices of variable stiffness are usually complicated. A magnetorheological (MR) fluid damper only needs a small electric current to provide the magnetic field. It is easy to achieve variable damping with an MR damper in vibration systems. In this paper, two MR fluid dampers in series were used to achieve the variable damping and stiffness for the system. The passive, variable damping, variable stiffness, and variable damping and stiffness systems were investigated in experiment and theoretical calculation. The time and frequency responses to sinusoidal, sweep and random inputs showed that the system with a variable damping and stiffness had better properties.
引用
收藏
页码：411 / 417
页数：7
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