摘要
阐述了光电平台内框架减振的必要性,对一种六自由度内框架减振系统进行了模型简化,并使用拉格朗日动力学理论对该系统进行控制方程的推导。系统的控制方程表明,当被隔振系统的质心与隔振器的几何中心重合时,系统是解耦的。扫频振动仿真分析表明该内减振系统能够隔离20Hz以上的中高频振动,该内减振系统设计合理。
The necessity of vibration damping for opt^electronic platform inner frame and the simplified model of a 6 dof in ner frame vibration damping system were expounded. By using Lagrange dynamics theory, the control equation of the sys- tem was derived. The control equation of the system shows that when the CM of the sysytem is isolated and the geometric center of the vibration isolator overlap, the system is decoupled. The simulation of frequency sweep vibration shows that the inner frame vibration damping system can isolate the vibration of more than 20 Hz. Then we can conclude that the design is correct.
出处
《光学与光电技术》
2015年第1期28-32,共5页
Optics & Optoelectronic Technology
基金
海军预研支撑技术(401010301)资助项目
关键词
光电平台
内框架减振
控制方程
解耦
扫频
opto-electronic platform
inner frame vibration damping
control equation
decoupling
frequency sweep
