基于运动意图识别的空间护卫策略设计

doi:10.7527/S1000-6893.2025.33013

Abstract

Abstract:

To address the challenges of unknown target intent and strategy selection under incomplete-information orbital games， an intent-inference-based maneuver-decision framework is proposed. First， considering the impulsive characteristics of spacecraft， a model-predictive-control scheme is devised within a finite-time horizon to rapidly generate guardian strategies for a single prespecified intent. Subsequently， an integrated guardian maneuver optimization method is developed that fuses intent interference results of a non-cooperative target， making it applicable to multi-intent scenarios. By dynamically adjusting the strategy optimization objective according to the inferred intent distribution， the escort maneuver strategy becomes more flexible when responding to uncertain operational environments. Simulation results across diverse space-guardian missions confirm the superior performance of the proposed approach.

Key words: non-cooperative target, intent recogntion, deep learning, spacecraft guarding, orbital game

CLC Number:

V448.2

Qinbo SUN, Zhaohui DANG. Spacecraft guardian strategy design via motion-intent recognition[J]. Acta Aeronautica et Astronautica Sinica, 2026, 47(S1): 733013.

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References 20

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序号	非合作目标G意图
1	交会	G与S之间的最小距离小于阈值
2	掠飞	直线顺漂
		直线逆漂
		曲线顺漂
		曲线逆漂
		外包络水滴近拱点顺向掠飞
		水滴外包络底点顺向掠飞
		水滴外包络拱点逆向掠飞
		水滴外包络底点逆向掠飞
		水滴内包络顺向掠飞
		水滴内包络逆向掠飞
3	绕飞	水滴式顺向绕飞
		水滴式逆向绕飞
		螺线顺向绕飞
		螺线逆向绕飞
		椭圆绕飞
4	驻留	椭圆前向驻留
		椭圆后向驻留
		前向定点悬停
		后向定点悬停

航天器	相对位置/km			相对速度/（m·s^-1）
航天器	x	y	z	x	y	z
S	0	0	0	0	0	0
H	0	15	0	0	0	0
G	-23.51	145.72	-5.87	2.373 6	3.449 0	0.593 4

航天器	相对位置/km			相对速度/（m∙s^-1）
航天器	x	y	z	x	y	z
S	0	0	0	0	0	0
H	0	15	0	0	0	0
G	-80	-245.7	-5.87	0	0.008 8	0.000 6

序号	H-G初始距离/km	到达视线中间时刻t_m/h	t_m 时H-G与S-H相对距离差/m	t_m后H-G与S-H距离之差/m
1	269.28	9.24	998.09	297.97
2	250.82	21.39	999.56	768.52
3	250.82	26.43	999.31	500.64
4	276.66	10.79	995.37	481.70
5	834.65	23.08	992.50	224.78
6	224.80	5.72	999.50	418.80
7	242.09	9.07	995.12	519.89
8	207.07	32.48	999.94	636.82
9	330.12	18.79	997.98	739.24

航天器	相对位置/km			相对速度/（m·s^-1）
航天器	x	y	z	x	y	z
S	0	0	0	0	0	0
H	0	-100	0	0	0	0
G	-72.10	-465	-8	-5.44	8.81	0.43

Spacecraft guardian strategy design via motion-intent recognition

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序号	H-G初始距离/ km	进入视线时刻t_v/ h	t_v时刻方位角/（°）	相对距离小于1 km时刻/ h
1	429.48	7.98	178.59	15.69
2	384.72	6.44	178.96	15.44
3	79.91	5.69	178.66	9.01
4	164.34	0.65	179.13	9.09

序号	H-G初始距离/km	进入视线时刻t_v/h	t_v时刻方位角/（°）	S-H轨迹中心距离/km	H-G轨迹中心距离/km
1	160.70	4.67	178.55	45.13	114.87
2	185.53	4.71	179.19	51.38	128.62
3	182.48	7.80	179.16	50.89	129.11
4	182.48	7.79	178.85	51.33	128.11

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