Optimization of angle increments in tracking loop for roll-pitch seekers

WU Hai-long; JIA Hong-guang; WEI Qun; JIANG Hu-hai; WANG Chao; YU Lin-yao; ZHANG Tian-yi; Z

doi:10.3788/OPE.20142210.2787

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Optimization of angle increments in tracking loop for roll-pitch seekers

更新时间：2020-08-13

- Optimization of angle increments in tracking loop for roll-pitch seekers
- Optics and Precision Engineering Vol. 22, Issue 10, Pages: 2787-2795(2014)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院大学北京,中国,100049
  3. 西南技术物理研究所,四川成都,610041
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142210.2787
  CLC： V472.13;TJ765.331
- Received：12 August 2013，
  
  Revised：08 October 2013，
  
  Published：25 October 2014
- 稿件说明：
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吴海龙, 贾宏光, 魏群等. 滚仰式导引头跟踪回路角增量优化[J]. 光学精密工程, 2014,22(10): 2787-2795

WU Hai-long, JIA Hong-guang, WEI Qun etc. Optimization of angle increments in tracking loop for roll-pitch seekers[J]. Editorial Office of Optics and Precision Engineering, 2014,22(10): 2787-2795
吴海龙, 贾宏光, 魏群等. 滚仰式导引头跟踪回路角增量优化[J]. 光学精密工程, 2014,22(10): 2787-2795 DOI： 10.3788/OPE.20142210.2787.

WU Hai-long, JIA Hong-guang, WEI Qun etc. Optimization of angle increments in tracking loop for roll-pitch seekers[J]. Editorial Office of Optics and Precision Engineering, 2014,22(10): 2787-2795 DOI： 10.3788/OPE.20142210.2787.

摘要

提出了一种角增量的生成及优化方法

用于解决滚仰式导引头跟踪回路角增量指令的提取问题.介绍了一种滚仰式导引头结构组成及其工作原理;根据脱靶量信息和探测器焦距给出了滚转和俯仰框架的位置回路角增量;将角增量标定为以两框架零位为起点的绝对角位置指令

其中

俯仰框的角位置指令标定区为

滚转框的角位置指令标定区为

Abstract

A method to generate and optimize angle increments was put forward to extract the tracking loop instruction of a roll-pitch seeker. Firstly

one kind of the roll-pitch seeker was introduced

and its mechanical construction and operation principle were given. Then

the angle increments of roll gimbals and pitch gimbals were calculated based on the target deviation on the image plane and the optical focal length. Both roll gimbal instruction and pitch gimbal instruction were calibrated to be absolute angular position instructions from the zero position respectively. The absolute angular position instruction for the pitch gimbals was calibrated to be from zero to π/2

while that for the roll gimbals was calibrated to be from zero to 2π. According to the principle of minimizing the angle increment of roll gimbals as small as possible

four different optimized control strategies were designed. On the basis of mentioned strategies

the feedback roll gimbal angle was separated into four quadrants. Finally

a simulation and a test were implemented to check the validity of the presented algorithm. Results show that the submitted generation and optimization of angle increments for roll-pitch seekers perform effectively and the tracking error is less than 0.15°.

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Keywords

references

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