库德式激光通信终端粗跟踪技术

doi:10.3969/j.issn.1000-1093.2021.09.014

兵工学报 ›› 2021, Vol. 42 ›› Issue (9): 1931-1939.doi: 10.3969/j.issn.1000-1093.2021.09.014

库德式激光通信终端粗跟踪技术

白杨杨^1，2，陈力兵^1，2，孟立新^1，2，张乐仪¹，张立中²

(1.长春理工大学机电工程学院，吉林长春 130022； 2.长春理工大学空地激光通信国防重点实验室，吉林长春 130022)

上线日期:2021-10-20
作者简介:白杨杨（1988—），男，博士研究生。E-mail: byy_cust@163.com
基金资助:
教育部高校博士点基金项目（201322130006）

Coarse Tracking Technology of Coude-type Laser Communication Terminal

BAI Yangyang^1，2， CHEN Libing^1，2， MENG Lixin^1，2， ZHANG Leyi¹， ZHANG Lizhong²

(1.College of Mechatronic Engineering，Changchun University of Science and Technology，Changchun 130022，Jilin，China; 2.Fundamental Science on Space-Ground Laser Communication Technology Laboratory，Changchun University of Science and Technology，Changchun 130022， Jilin，China)

Online:2021-10-20

摘要/Abstract

摘要： 在库德式通信终端中，望远单元和库德反射镜与电荷耦合器（CCD）探测器之间的相对运动导致光路结构随通信终端姿态变化而改变，使得控制难度增大。为解决这一问题，利用矩阵光学方法建立库德式激光通信终端的CCD测角模型，设计基于模型-PID的控制算法，搭建实验测试系统验证了该算法在瞄准、捕获和跟踪过程中的性能。结果表明：利用实测数据对测角模型进行静态验证时，计算精度的均方根误差优于9 μrad；加入角速度0.1°/s、幅值0.1°的正弦扰动信号进行跟踪测试时，实测动态跟踪误差的标准差优于21 μrad（1σ），满足激光通信对于粗跟踪单元50 μrad（1σ）跟踪精度的需求。

关键词: 激光通信终端, 库德光路, 电荷耦合器, 测角模型, 瞄准、捕获和跟踪

Abstract: Since telescopic units and Coude mirrors move relative to the CCD detectors in the Coude-type laser communication terminal，the optical path structure of the whole system will change with the change in posture of communication terminal，which leads to the increased control difficulty of laser communication terminal system. To solve this problem，a CCD angle measurement model of the Coude-type laser communication terminal is established and deduced by using matrix optics method，and the control algorithm is optimized on this basis. Firstly，the experimental conditions are set up，and the angle measurement model is statically verified by using the measured data. The static calculation accuracy is better than 9 μrad. Then an automatic tracking algorithm based on the model is designed. The standard deviation of measured dynamic tracking error is better than 21 μrad（1σ） by adding sinusoidal disturbance signal with angular velocity of 0.1°/s and amplitude of 0.1° to meet the requirement of laser communication for tracking accuracy of 50 μrad（1σ） .

Key words: lasercommunicationterminal, Coude-typeopticalpath, chargecoupleddevice, anglemeasurementmodel, pointing, acquisitionandtracking

中图分类号:

TN929.13

白杨杨, 陈力兵, 孟立新, 张乐仪, 张立中. 库德式激光通信终端粗跟踪技术[J]. 兵工学报, 2021, 42(9): 1931-1939.

BAI Yangyang, CHEN Libing, MENG Lixin, ZHANG Leyi, ZHANG Lizhong. Coarse Tracking Technology of Coude-type Laser Communication Terminal[J]. Acta Armamentarii, 2021, 42(9): 1931-1939.

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库德式激光通信终端粗跟踪技术

Coarse Tracking Technology of Coude-type Laser Communication Terminal

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