星敏感器激光辐照损伤效应研究  

Experimental and Simulation Research on the Laser Irradiation Effects of Star Tracker

作　　者：黄禄明 杨雨川 邬志华 付怀龙 郭锋 任伟艳 张新宇[2] 张巍[2] HUANG Luming;YANG Yuchuan;WU Zhihua;FU Huailong;GUO Feng;REN Weiyan;ZHANG Xinyu;ZHANG Wei(Henan University,Zhengzhou 475000,China;Beijing Institute of Control Engineering,Beijing 100094,China)

机构地区：[1]河南大学,郑州475000 [2]北京控制工程研究所,北京100094

出　　处：《空间控制技术与应用》2022年第3期109-114,共6页Aerospace Control and Application

基　　金：国家自然科学基金资助项目(61903032)。

摘　　要：星敏感器在轨工作期间易受激光辐照损伤,本文针对该问题进行了仿真建模研究,基于有限元分析方法建立激光损伤星敏感器APS探测器概率模型,设计并开展了激光对星敏感器的损伤实验,完成仿真与实验数据对比分析.结果表明,激光功率密度在1.2~3.5×10;W/cm;范围时,星敏感器APS探测器出现线损伤、十字损伤、大面积损伤等损伤效果,微观形貌观察发现探测器感光元上面电路层出现了损伤,实验值与仿真结果具有较好一致性,为后续天基光学设备激光损伤效应研究提供了数据参考.Star sensor is the attitude measurement equipment that satellite mainly depends on in orbit operation stage.It is an important part of satellite guidance,navigation and control subsystem.The star sensor is easily damaged by laser irradiation during its on orbit operation.This paper studies this problem,designs and carries out the damage experiment of laser irradiation and simulation modeling of the star sensor,and completes the model verification.The results show that the laser power density is in the range of 1.2~3.5×10~5 W/cm~2,and the APS detector of star sensor has damage effects such as line damage,cross damage and large-area damage.The micro morphology observation shows that the circuit layer above the photosensitive element of the detector is damaged.Based on the finite element analysis method,the probability model of APS detector damaged by laser is established.The simulation results are in good agreement with the experimental values,which provides data support and analysis model for studying the damage effect of laser on star sensor.

关 键 词：星敏感器 APS探测器 辐照 损伤 

分 类 号：V446[航空宇航科学与技术—飞行器设计]