Experiment research and nonlinear analysis to visco-elastic damping structure for whole-spacecraft passive vibration isolation system

被引：0
|
作者：
Tan, Lijun [1 ]
Fang, Bo [1 ]
Qu, Xiuquan
Li, Mingming [1 ]
Huang, Wenhu [1 ]
机构：
[1] Harbin Inst Technol, Sch Astronaut, Harbin 150001, Peoples R China
来源：
ACTIVE AND PASSIVE SMART STRUCTURES AND INTEGRATED SYSTEMS 2011 | 2011年 / 7977卷
关键词：
visco-elastic damping; transmissibility; experiment; nonlinear analysis; passive vibration isolation;
D O I：
10.1117/12.880475
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：
Visco-elastic damping material is applied to a novel type of isolator for the whole-spacecraft passive vibration isolation system, which can be used to improve the dynamic environment during the stage of launch. The results of the simulation and the experiment show that the vibration transmissibility of the mass center decreases more than 40%. The experiments of the isolator with different damping area are performed. The issues of natural frequency drifts and the transmissibility decreases as excitation level rising are discussed. It is demonstrated that the nonlinear of visco-elastic damping material and structure in the vibration experiment is the main influence factors.
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页数：7
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