A control strategy using negative stiffness for active vibration isolation

被引：0
|
作者：
Zhang, Tao [1 ]
Huang, Hongbiao [1 ]
Zhao, Fangfang [1 ]
Zhu, Jianqiang [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Joint Lab High Power Laser Phys, Shanghai 201800, Peoples R China
来源：
2008 3RD IEEE INTERNATIONAL CONFERENCE ON NANO/MICRO ENGINEERED AND MOLECULAR SYSTEMS, VOLS 1-3 | 2008年
关键词：
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper review the passive vibration isolation system firstly, and point out the conflicts: different frequency band requires different damping ratio; different disturbance needs different supporting stiffness. By using negative stiffness mechanism, zero and infinite dynamic stiffness are obtained. To solve former conflicts, a system with anisotropic stiffness is described. And for a practical isolation system, static stiffness and dynamic stiffness can be designed separately. And high gain can be replaced by precision control strategy and a passive isolator and an active actuator are connected in parallel.
引用
收藏
页码：712 / 716
页数：5
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