Design and Application of Collaborative Simulation System for Satellite Constellation Flight Missions

doi:10.16182/j.issn1004731x.joss.24-1263

Abstract

Abstract:

To meet the requirements of the collaborative drill for the ground operation and control system of the satellite constellation, as well as the verification and evaluation of in-orbit complex missions, the design ideas and implementation methods of the collaborative simulation system for satellite constellation flight missions were proposed. By adopting the time correction mechanism of the time-scale distributor, the time synchronization problem among the simulation nodes and the operation and control simulation system was solved. By adopting the communication technology based on improved PDXP + UDP, the problem of cross-node data interface and inter-satellite communication simulation was resolved. A simulation master control system was constructed for status setting, data communication, simulation management, and other operations. A satellite simulator system was constructed for multi-satellite flight mission simulation. The system achieved seamless connection with the operation and control simulation system. The simulation process was consistent with the operation and control process. The simulation results truly reflect the whole process of satellite constellation mission execution.

Key words: satellite constellation, flight mission, digital twin, time synchronization, data communication, collaborative simulation

CLC Number:

TP391

Yan Dong, Yang Hanzhe, Jiang Fangfang, Liu Chengbao, Zhang Peng. Design and Application of Collaborative Simulation System for Satellite Constellation Flight Missions[J]. Journal of System Simulation, 2026, 38(4): 1067-1079.

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主要参数	量值
仿真起始时间(BJT)	2024-07-16 T10:00:00
仿真结束时间(BJT)	2024-07-17 T00:00:00
步长/s	0.5
倍速	16

卫星	主要参数	量值
A星	链路开始时间(BJT)	2024-07-16 T11:40:04
	链路结束时间(BJT)	2024-07-16 T22:10:04
	目标星	B星
	建链结束姿态模式	对地定向
B星	链路开始时间(BJT)	2024-07-16 T11:40:04
	链路结束时间(BJT)	2024-07-16 T22:10:04
	目标星	A星
	建链结束姿态模式	对地定向

发送时间(BJT)	指令名称
2024-07-16 T10:00:01.000	A转飞轮对日
2024-07-16 T10:00:05.000	A禁止自主进入对地偏航
2024-07-16 T10:00:07.000	A禁止自主进入对目标偏航
2024-07-16 T10:00:10.00	+Z轴对目标
2024-07-16 T10:00:50.000	A转对地定向
2024-07-16 T10:00:55.000	A平台建链规划包
2024-07-16 T10:01:00.000	A注入A轨道
2024-07-16 T10:02:00.000	A注入B轨道