面向巨型星座系统的多地面站协同测控技术

doi:10.11959/j.issn.2096-8930.2023001

天地一体化信息网络 ›› 2023, Vol. 4 ›› Issue (1): 2-11.doi: 10.11959/j.issn.2096-8930.2023001

所属专题：大规模星座组网及测控关键技术

• 专题：大规模星座组网及测控关键技术 • 上一篇下一篇

面向巨型星座系统的多地面站协同测控技术

刘阳¹, 周笛¹, 盛敏¹, 李建东¹, 郝时光², 郑晓天²

¹ 西安电子科技大学综合业务网理论及关键技术国家重点实验室，陕西西安 710071
² 中国空间技术研究院通信与导航卫星总体部，北京 100094

修回日期:2023-02-27 出版日期:2023-03-20 发布日期:2023-03-01
作者简介:刘阳（2000-），男，西安电子科技大学本科生，主要研究方向为空间信息网络任务规划方法
周笛（1991-），女，博士，西安电子科技大学副教授，主要研究方向为空间信息网络任务规划及资源管理、卫星互联网资源管控技术等
盛敏（1975-），女，博士，西安电子科技大学教授，主要研究方向为B5G/6G移动通信网络、异构网络融合以及空间信息网络等
李建东（1962-），男，博士，西安电子科技大学教授，主要研究方向为空间信息网络、智能无线网络、大规模自组织网等
郝时光（1986-），男，硕士，现就职于中国空间技术研究院，主要研究方向为通信卫星载荷设计、空间组网系统设计
郑晓天（1986-），男，博士，现就职于中国空间技术研究院，主要研究方向为通信卫星载荷设计，空间组网系统设计
基金资助:
国家自然科学基金资助项目(U19B2025);国家自然科学基金资助项目(62121001);国家自然科学基金资助项目(62001347);陕西省重点研发计划(2022ZDLGY05-02)

Multi-Ground Station Collaborative Measurement and Control Technology for Giant Constellation System

Yang LIU¹, Di ZHOU¹, Min SHENG¹, Jiandong LI¹, Shiguang HAO², Xiaotian ZHENG²

¹ The State Key Laboratory of Integrated Service Networks, Xidian University, Xi’an 710071, China
² Communications and Navigation Satellite General Department,China Academy of Space Technology, Beijing 100094, China

Revised:2023-02-27 Online:2023-03-20 Published:2023-03-01
Supported by:
The National Natural Science Foundation of China(U19B2025);The National Natural Science Foundation of China(62121001);The National Natural Science Foundation of China(62001347);Key Research and Development Program of Shaanxi(2022ZDLGY05-02)

摘要/Abstract

摘要：

测控技术是保障星座系统高效运维和管理的关键技术。近年来，随着星座规模的不断扩大，逐步形成了巨型星座系统，使得对星座的测控需求呈现爆发式的增长，从而对星座系统测控任务的完成量提出了新的要求。首先分析巨型星座系统测控任务约束和地面测控站设备约束并给出问题建模；其次提出一种地面站Agent基于学习规划片段的交互方式，通过引入约束惩罚算子和多地面站联合惩罚算子设计优化的目标函数；最后，提出一种多地面站Agent强化学习算法以求解多地面站协同任务分配策略。仿真结果显示，任务规模较大时，在文中提到的不同场景下该方法较传统算法有12%～20%的增益。

关键词: 巨型星座, 测控任务规划, 多地面站协同, 多Agent强化学习

Abstract:

Measurement and control technology is the key technology to ensure the effi cient operation, maintenance and management of the constellation system.In recent years, with the continuous expansion of the constellation scale, mega-constellation system has gradually formed, which makes the demand for constellation measurement and control show an explosive growth, which puts forward new requirements for the completion of the constellation system measurement and control tasks.Firstly, the constraints of the megaconstellation system measurement and control tasks and the equipment constraints of the ground measurement and control station were analyzed, and the problem modeling was given; Secondly, an interaction method of the ground station agent based on the learning planning segment was proposed, by introduced the constraint penalty operator and the multi-ground station joint the penalty operator was designed to optimized the objective function.Finally, a multi-ground station Agent reinforcement learning algorithm was proposed to solved the multi-ground station cooperative task assignment strategy.Simulation experiments showed that when the task scale was large, the method had a gain of 12%~20% compared with the traditional algorithm in the diff erent scenarios mentioned.

Key words: mega constellation, measurement and control task planning, multi-ground station coordination, multi-Agent reinforcement learning

中图分类号:

TP393

刘阳, 周笛, 盛敏, 李建东, 郝时光, 郑晓天. 面向巨型星座系统的多地面站协同测控技术[J]. 天地一体化信息网络, 2023, 4(1): 2-11.

Yang LIU, Di ZHOU, Min SHENG, Jiandong LI, Shiguang HAO, Xiaotian ZHENG. Multi-Ground Station Collaborative Measurement and Control Technology for Giant Constellation System[J]. Space-Integrated-Ground Information Networks, 2023, 4(1): 2-11.

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参数	值
学习率α	0.1
折扣因子γ	0.9
ε_lose	0.002 5
ε_win	0.01
迭代总步数	20万步

地面站个数（128个）	场景1	场景2	场景3	场景4
卫星数/颗	189	378	756	1134
卫星数（1 134颗）	场景5	场景6	场景7	场景8
地面站个数/个	47	83	128	162

星座名称	轨道数/个	每轨星数/颗	总星数/颗	轨道倾角/°	轨道高度/km
LEO-1	18	21	378	85	1 345
LEO-2	36	21	756	89	1 100

面向巨型星座系统的多地面站协同测控技术

Multi-Ground Station Collaborative Measurement and Control Technology for Giant Constellation System

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