有限时间收敛的自适应滑模协同末制导

doi:10.12305/j.issn.1001-506X.2025.03.28

Abstract

Abstract:

Aiming at the cooperative terminal guidance problem of hypersonic vehicles, a finite-time convergent adaptive sliding mode cooperative guidance method is proposed. This method simultaneously satisfies the requirements of terminal track inclination angle, track azimuth angle, and time coordination. Finite-time convergent sliding mode cooperative guidance laws are designed separately for the dive plane and turning plane, and adaptive parameters of the sliding mode surface are incorporated into the guidance laws. For moving targets, coefficient compensation is applied to the relative track inclination angle between the vehicle and the target to resolve the issue of sacrificing the strike angle to reduce miss distance when targeting moving objects. Simulation results indicate that the cooperative guidance law enables each hypersonic vehicle to simultaneously satisfy the requirements of flight path angle constraints, timing coordination, and their respective terminal track angle, exhibiting robustness against the deviation of initial states and aerodynamic parameters.

Key words: multiple hypersonic vehicles, adaptive sliding mode, finite-time convergence, cooperative terminal guidance

CLC Number:

V448.2

Shaowei HUANG, Yanli DU, Yanbin LIU, Yueping WANG, Wu LIU. Adaptive sliding cooperative terminal guidance with finite-time convergence[J]. Systems Engineering and Electronics, 2025, 47(3): 961-969.

Figures/Tables 11

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飞行器	H₀/km	θ₀/(°)	ϕ₀/(°)	V₀/(m/s)	γ₀/(°)	ψ₀/(°)
1	39	0.3	0.1	2 400	1.5	50
2	40	0.2	0.2	2 450	1.0	20
3	41	0.1	0.3	2 500	0.5	30

参数	飞行器
参数	1	2	3
t_{MT, i}/s	61.61	60.89	61.80
Δe_i/m	0.16	2.56	2.38
ψ_{f, i}/(°)	20.01	70.00	89.61

参数	飞行器
参数	1	2	3
t_{MT, i}/s	60.48	61.06	61.46
Δe_i/m	1.58	2.65	3.20
Δ$ \hat{e}$_i/m	1.65	1.04	2.59
γ_{f, i}/(°)	-59.88	-60.59	-57.62
$ \hat{\gamma}$_{f, i}/(°)	-39.86	-40.01	-40.13
ψ_{f, i}/(°)	19.91	71.09	89.85

状态	偏差	状态	偏差
H₀/m	±500	γ₀/(°)	±1
θ₀/(°)	±0.01	ψ₀/(°)	±1
ϕ₀/(°)	±0.01	V₀/(m/s)	±15
C_L/%	±20	C_D/%	±20

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Adaptive sliding cooperative terminal guidance with finite-time convergence

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