A Cooperative Encirclement Interception Method for High-speed Maneuvering Target in Head-on Engagement

doi:10.12382/bgxb.2024.0979

Abstract

Abstract:

A cooperative encirclement interception method based on virtual aiming points is proposed for intercepting the high-speed maneuvering targets in near-space in three-dimensional scenarios.A calculation method for the ideal interception time of interceptor groups is derived by analyzing the maneuvering envelope of target and considering the guidance characteristics of the interceptors.Thus,the problem of intercepting the high-speed maneuvering targets is transformed into a problem of hitting a specific point on a fixed spatial plane at a predetermined time and angle.Based on the ideal interception time and angle of attack,the virtual aiming points are selected in space to guide the interceptors,ensuring that the impact angles meet the head-on interception conditions,thereby reducing the requirement for the speed of interceptor.The interception tests are conducted on two typical C-type and S-type maneuvering targets through numerical simulation.The results demonstrate that the proposed method is used to successfully intercept C-type and S-type maneuvering targets with different maneuvering intensities,achieve a minimum group miss distance of less than 3 meters,and enable the impact angle meet the requirements of head-on interception angle.

Key words: near space target, cooperative encirclement interception, head on interception, virtual aiming point, maneuvering target

CLC Number:

TJ765.3

LI Peilin, GUO Jie, WANG Haoning, LIU Youxin, WAN Yangyang, TANG Shengjing. A Cooperative Encirclement Interception Method for High-speed Maneuvering Target in Head-on Engagement[J]. Acta Armamentarii, 2025, 46(9): 240979-.

Figures/Tables 21

Fig.1 Schematic diagram of 3-D cooperative interception

Fig.2 Relative motion relationship between missile and target[30]

Fig.3 Reachable regions of interceptor under different proportional navigation coefficients

Fig.4 Cooperative encirclement scenario in head-on engagement

Fig.5 Reachable region of target

Fig.6 Terminal guidance scenario at ideal impact time

Fig.7 Ideal impact time interval

Fig.8 Estimated error of target velocity vector

Fig.9 Schematic diagram of virtual aiming point guidance

Fig.10 Virtual aiming point and predicted interception plane

Fig.11 Flowchart of VAPG method

Table 1 Initial position of interceptor

拦截弹编号	$x M i$ x/m	$y M i$ /m	$z M i$ /m
1	-49559.35	1241.59	31445.31
2	-50999.77	-1042.53	31712.26
3	-50395.33	-1950.61	29537.61
4	-50706.49	-163.01	28001.97
5	-50815.32	1849.87	29227.54

Table 1 Initial position of interceptor

拦截弹编号	$x M i$ x/m	$y M i$ /m	$z M i$ /m
1	-49559.35	1241.59	31445.31
2	-50999.77	-1042.53	31712.26
3	-50395.33	-1950.61	29537.61
4	-50706.49	-163.01	28001.97
5	-50815.32	1849.87	29227.54

Fig.12 Interception trajectory of interceptors intercepting C-type maneuvering target

Fig.13 Impact angle of interceptors against C-type maneuvering target

Fig.14 Overload command for intercepting C-type maneuvering target by interceptors

Fig.15 Total miss distance of interceptors against C-type maneuvering target

Fig.16 Minimum miss distance of interceptors against C-type maneuvering target

Fig.17 Interception trajectory of interceptors against S-type maneuvering target

Fig.18 Impact angle of interceptors against S-type maneuvering target

Fig.19 Overload command for interceptors against C-type maneuvering target

Fig.20 Minimum miss distance of interceptors against S-type maneuvering target

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