基于速度预测的防空导弹中制导末段协同弹道规划方法

doi:10.12305/j.issn.1001-506X.2023.09.31

Abstract

Abstract:

A synergistic guidance method is proposed for interceptor missiles in the later part of midcourse. For cooperative detection, time-to-go, range-to-go, terminal velocity and terminal angle should be controlled independently. The semi-analytic prediction method is used to predict the velocity, needed overload and supplied overload; convert the required overload into the lift coefficient requirements. The cooperative trajectory planning problem is transformed into a nonlinear optimization problem through the selection of trajectory shaping variables, and the reference trajectory is generated online. To improve the particle swarm optimization algorithm, adaptive inertia weight selection and invalid particle substitution strategy were adopted, which can improve the probability of the population and escaping from the local optimal point. Trajectory that meets the terminal constrains can be planning fast on consider of the flight dispersion and trajectory deviation. Finally the effectiveness is verified based on mathematical simulation.

Key words: cooperative detection, cooperative trajectory planning, improved particle swarm optimization

CLC Number:

V448.2

Zhengda CUI, Mingying WEI, Yunqian LI. Cooperative trajectory planning method in later part of midcourse based on velocity estimation[J]. Systems Engineering and Electronics, 2023, 45(9): 2912-2921.

Figures/Tables 15

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References 19

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导弹编号	弹道参数
导弹编号	R_L₀/km	θ₀/(°)	h₀/km	V₀/(m/s)
M₁	200	1	35	2 000
M₂	210	－1	37	1 950
M₃	220	－2	33	2 050

导弹编号	弹道参数
导弹编号	Δθ_f/(°)	V_f/(m/s)	t_f/s	Δr_f/m
M₁	－6.9	1 642.89	107.78	2.8
M₂	－6.4	1 544.28	115.84	1.3
M₃	－4.1	1 532.42	120.18	2.7

导弹编号	弹道参数
导弹编号	Δθ_f/(°)	V_f/(m/s)	t_f/s	Δr_f/m
M₁	－14.7	1 515.3	120.78	1.18
M₂	－9.6	1 487.5	124.14	7.3
M₃	－9.2	1 586.2	122.83	5.7

导弹编号	弹道参数
导弹编号	Δθ_f/(°)	V_f/(m/s)	t_f/s	Δr_f/m
M₁	0.09	1 451.4	119.04	39.6
M₂	0.04°	1 478.6	118.13	32.4
M₃	0.03°	1 548.3	118.77	20.1

统计量	交班条件
统计量	Δθ_f/(°)	Δt_f/s	Δr_f/m
均值	2.4	0.79	32
标准差	3.7	0.90	21
最大值	7.6	3.6	182

Cooperative trajectory planning method in later part of midcourse based on velocity estimation

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