空间暗弱慢速目标的捕获跟踪控制技术研究

Study of Acquisition and Tracking of Dim Targets in Deep Space

为了实现对空间暗弱慢速目标的自主高精度捕获跟踪,需要设计高精度、高可靠性的捕获跟踪控制算法。文章在现有星敏相机相关技术的基础上分析了捕获跟踪控制算法工作流程,将其划分成相对独立的6大功能模块,并简述了这些功能模块与现有星敏技术的继承性。文章对光学捕获跟踪系统组成进行论述,并阐述了捕获跟踪控制算法各大模块设计的实现方法及研究现状,梳理出了其中的三大关键技术:星图数据库设计、星图匹配算法和目标捕获算法。文章研究光学捕获跟踪系统中相关算法的设计和改进方法,特别是针对其中的关键技术,详细论述了国内外前沿的优化方法,对关键技术的改进方案提出了未来的工作思路。

In order to achieve independent and high-precision acquisition and tracking of dim tar gets in high earth orbit ,we have to develop capturing and tracking control software. Based on the existing star-sensitive camera, we can find the workflow of the ATP system; the software for ac- quisition and tracking controling is divided into 6 function modules. This article describes the in- heritance between these software modules and the existing technology. This article describes the composition of the ATP system, the design of discusses the software modules and sorts out three critical technologies of star pattern database design, star pattern matching algorithm and target acquisition algorithm. The main purpose of this article is to find new ideas to improve the respon- sibility of the capturing and tracking control software. The recent study of each software module is introduced and discussed in this article. Three critical technologies of the software are found： guide star catalog building, star recognition algorithms and object extraction technology.