Design of inner frame vibration absorbing system for optoelectronic pod

GAN Zhi-hong

doi:10.3788/OPE.20101809.2036

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Design of inner frame vibration absorbing system for optoelectronic pod

Article | 更新时间：2020-08-12

- Design of inner frame vibration absorbing system for optoelectronic pod
- Optics and Precision Engineering Vol. 18, Issue 9, Pages: 2036-2043(2010)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20101809.2036
  CLC： V27;TH703
- Received：07 April 2010，
  
  Revised：08 June 2010，
  
  Published Online：29 September 2010，
  
  Published：20 September 2010
- 稿件说明：
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甘至宏. 光电吊舱内框架减振系统设计[J]. 光学精密工程, 2010,18(9): 2036-2043

GAN Zhi-hong. Design of inner frame vibration absorbing system for optoelectronic pod[J]. 光学精密工程, 2010,18(9): 2036-2043
甘至宏. 光电吊舱内框架减振系统设计[J]. 光学精密工程, 2010,18(9): 2036-2043 DOI： 10.3788/OPE.20101809.2036.

GAN Zhi-hong. Design of inner frame vibration absorbing system for optoelectronic pod[J]. 光学精密工程, 2010,18(9): 2036-2043 DOI： 10.3788/OPE.20101809.2036.

摘要

为了实现在在喷气机上用光电吊舱观测导弹发射全程的动态状况

设计了光电吊舱内框架减振系统。首先

分析了吊舱的工作环境和框架结构的工作原理

指出内框架减振的必要性。然后

讨论减振轴系的特性

指出内框架加减振器的轴系必须消间隙

并设计了一种模块式驱动轴系

此模块将力矩电机的厚度与轴承的厚度合二为一

减少了轴系的占用空间

增加了有效载荷空间。最后

提出了一种切实可行的内框架减振系统

该系统采用模块式组合方式

具有灵活性和通用性;采用内框架系统独立装调

平推进入外框架安装的设计

使内框架减振系统极易安装调试。对这种装有内框架减振系统的光电吊舱在振动台上做振动试验并观测模拟目标

结果表明

吊舱工作状况良好

跟踪目标的视频图像清晰流畅;在摇摆台上做跟踪精度检测实验

检测结果显示

跟踪精度误差不大于1 mrad

满足指标要求。

Abstract

In order to observe the dynamic processing of missile launching by a optoelectronic pod

an inner frame vibration absorbing system for the optoelectronic pod was developed. Firstly

the working environments and working principles of the pod were analyzed

and the necessity to damp the vibration of inner frame was pointed out. The characteristics of vibration absorbing systems were discussed and how to eliminate the shaft gas was given. A module driving shaft was designed

which combined the thicknesses of torque motor and bearings to decrease the shafting space and to increase the space of effective load. Finally

an inner frame vibration absorbing system was designed. By module combination

the system is more flexible and universal. Furthermore

by using the independent appliance and carrying horizontally forward the inner frame into the outside frame

the system is easy to assemble and adjust greatly. A vibration experiment on the optoelectronic pod with an inner frame vibration absorbing system was carried out in a test field and a simulated target was also observed

obtained results indicate that the pod has a good working condition and the video image of target is clear and fluid. The tracking experiment shows that the tracking error is less than 1 mrad.

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